WO2014157905A1 - 발광소자 패키지 - Google Patents
발광소자 패키지 Download PDFInfo
- Publication number
- WO2014157905A1 WO2014157905A1 PCT/KR2014/002485 KR2014002485W WO2014157905A1 WO 2014157905 A1 WO2014157905 A1 WO 2014157905A1 KR 2014002485 W KR2014002485 W KR 2014002485W WO 2014157905 A1 WO2014157905 A1 WO 2014157905A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light emitting
- region
- emitting device
- disposed
- micrometers
- Prior art date
Links
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims description 27
- 239000010410 layer Substances 0.000 description 73
- 239000004065 semiconductor Substances 0.000 description 32
- 239000000463 material Substances 0.000 description 19
- 238000000926 separation method Methods 0.000 description 17
- 230000003287 optical effect Effects 0.000 description 15
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 13
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 12
- 238000000576 coating method Methods 0.000 description 11
- 239000010931 gold Substances 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- 239000011248 coating agent Substances 0.000 description 10
- 239000000758 substrate Substances 0.000 description 10
- 125000006850 spacer group Chemical group 0.000 description 9
- 229910002704 AlGaN Inorganic materials 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 8
- 238000003491 array Methods 0.000 description 8
- 229910052709 silver Inorganic materials 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 239000002019 doping agent Substances 0.000 description 6
- 229910052737 gold Inorganic materials 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 239000011787 zinc oxide Substances 0.000 description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 5
- 239000010408 film Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000004332 silver Substances 0.000 description 5
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- -1 for example Substances 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 229910052738 indium Inorganic materials 0.000 description 4
- 229910052697 platinum Inorganic materials 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 239000010948 rhodium Substances 0.000 description 4
- 239000002356 single layer Substances 0.000 description 4
- 229910000980 Aluminium gallium arsenide Inorganic materials 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 3
- VRIVJOXICYMTAG-IYEMJOQQSA-L iron(ii) gluconate Chemical compound [Fe+2].OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O.OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O VRIVJOXICYMTAG-IYEMJOQQSA-L 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- 238000002161 passivation Methods 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229910052718 tin Inorganic materials 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910005540 GaP Inorganic materials 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 2
- 229910019897 RuOx Inorganic materials 0.000 description 2
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- JAONJTDQXUSBGG-UHFFFAOYSA-N dialuminum;dizinc;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Al+3].[Zn+2].[Zn+2] JAONJTDQXUSBGG-UHFFFAOYSA-N 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 229910052741 iridium Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 229910052703 rhodium Inorganic materials 0.000 description 2
- 239000010944 silver (metal) Substances 0.000 description 2
- SKRWFPLZQAAQSU-UHFFFAOYSA-N stibanylidynetin;hydrate Chemical compound O.[Sn].[Sb] SKRWFPLZQAAQSU-UHFFFAOYSA-N 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 229910018229 Al—Ga Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 description 1
- 229910002601 GaN Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- DZLPZFLXRVRDAE-UHFFFAOYSA-N [O--].[O--].[O--].[O--].[Al+3].[Zn++].[In+3] Chemical compound [O--].[O--].[O--].[O--].[Al+3].[Zn++].[In+3] DZLPZFLXRVRDAE-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- SBYXRAKIOMOBFF-UHFFFAOYSA-N copper tungsten Chemical compound [Cu].[W] SBYXRAKIOMOBFF-UHFFFAOYSA-N 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000313 electron-beam-induced deposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- YZZNJYQZJKSEER-UHFFFAOYSA-N gallium tin Chemical compound [Ga].[Sn] YZZNJYQZJKSEER-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 235000021384 green leafy vegetables Nutrition 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- HRHKULZDDYWVBE-UHFFFAOYSA-N indium;oxozinc;tin Chemical compound [In].[Sn].[Zn]=O HRHKULZDDYWVBE-UHFFFAOYSA-N 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910003465 moissanite Inorganic materials 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N nickel(II) oxide Inorganic materials [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000002096 quantum dot Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 235000012431 wafers Nutrition 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/14—Light emitting diodes [LED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/19—Attachment of light sources or lamp holders
- F21S43/195—Details of lamp holders, terminals or connectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0756—Stacked arrangements of devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/44—Structure, shape, material or disposition of the wire connectors prior to the connecting process
- H01L2224/45—Structure, shape, material or disposition of the wire connectors prior to the connecting process of an individual wire connector
- H01L2224/45001—Core members of the connector
- H01L2224/45099—Material
- H01L2224/451—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof
- H01L2224/45138—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950°C and less than 1550°C
- H01L2224/45139—Silver (Ag) as principal constituent
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/00014—Technical content checked by a classifier the subject-matter covered by the group, the symbol of which is combined with the symbol of this group, being disclosed without further technical details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/64—Heat extraction or cooling elements
- H01L33/642—Heat extraction or cooling elements characterized by the shape
Definitions
- An embodiment relates to a light emitting device package.
- Group 3-5 compound semiconductors such as GaN and AlGaN, are widely used for optoelectronics and electronic devices due to many advantages, such as having a wide and easy to adjust band gap energy.
- light emitting devices such as light emitting diodes or laser diodes using semiconductors of Group 3-5 or 2-6 compound semiconductor materials of semiconductors have been developed through the development of thin film growth technology and device materials such as red, green, blue and ultraviolet light.
- Various colors can be realized, and efficient white light can be realized by using fluorescent materials or combining colors.
- Low power consumption, semi-permanent life, fast response speed, safety and environment compared to conventional light sources such as fluorescent and incandescent lamps can be realized. Has the advantage of affinity.
- a white light emitting device that can replace a fluorescent light bulb or an incandescent bulb that replaces a Cold Cathode Fluorescence Lamp (CCFL) constituting a backlight of a transmission module of an optical communication means and a liquid crystal display (LCD) display device.
- CCFL Cold Cathode Fluorescence Lamp
- LCD liquid crystal display
- a light emitting device package in which a plurality of light emitting device packages are disposed in one unit may be used for a lighting device or an automobile head lamp, and each light emitting device may be supplied with current by a method such as wire bonding.
- 1 is a view showing an arrangement of a light emitting device package.
- a plurality of light emitting devices 100 are arranged horizontally and two vertically, and each light emitting device 100 is bonded with wires 110 and 115. Adjacent light emitting devices 100 are spaced apart from each other by d 1 and d 2 in the horizontal and vertical directions, respectively, when the above-mentioned distance between adjacent light emitting devices 100 is greater than d 1 and d 2 , a dark portion may occur.
- FIG. 2 is a view showing the dark portion of the light emitting device package of three rows.
- a plurality of light emitting devices 100 and 100 ' are arranged in four horizontally and three vertically, and each of the light emitting devices 100 and 100' is bonded by wires 110 and 115.
- the adjacent light emitting devices 100 are arranged to be spaced apart from each other by d 1 and d 2 in the horizontal and vertical directions, respectively, it is difficult to secure a space required for wire bonding of the light emitting devices 100 ′ disposed therein. .
- a space for wire bonding of the light emitting devices disposed so as not to be adjacent to an external area is required, and the above-described space may appear as a dark portion in the entire light emitting device package.
- the embodiment is intended to implement a surface light source without appearing a dark portion in a light emitting device package used as a light source such as an automobile head lamp.
- the embodiment includes a first area and a second area having a height higher than that of the first area, wherein the second area includes a second-first area and a second-second area facing each other with the first area therebetween.
- a circuit board comprising; At least one light emitting element disposed in each of the first region and the second region; And a phosphor layer disposed on each light emitting device, wherein each light emitting device provides a light emitting device package disposed at a distance within 100 micrometers in a horizontal direction.
- the circuit board may be disposed while the second circuit board of the first region and the second circuit board of the second region are in contact with each other.
- the height of the second area may be higher than the height of the first area.
- Two rows of light emitting devices may be disposed in the first area, and the two rows of light emitting devices may be spaced apart from each other by 50 micrometers to 100 micrometers.
- the light emitting device in the first region and the light emitting device in the second region that are adjacent to each other may be disposed with a distance greater than 0 and less than 100 micrometers in a horizontal direction.
- Light emitting devices of one to two columns may be disposed in the first region, and one light emitting device may be disposed in the second-1 and second-2 regions, respectively.
- the height difference between the bottom surface of the first region and the bottom surface of the second region may be 160 micrometers to 5 millimeters.
- each light emitting device may be 90 micrometers to 100 micrometers, and the height of the phosphor layer may be 50 micrometers to 60 micrometers.
- the output of the light emitting element disposed in the first region may be greater than the output of the light emitting element disposed in the second region.
- the circuit board further includes a third region disposed higher than the second region, and the third region includes a 3-1 region and a 3-2 region facing each other with the second region therebetween. At least one light emitting device may be disposed in each of the 3-1 and 3-2 regions.
- the light emitting device of the third region may be disposed at a distance within 100 micrometers in a horizontal direction with the light emitting device of the second region.
- the light emitting element in the second region and the light emitting element in the third region that are adjacent to each other may be disposed with a horizontal distance greater than 0 and smaller than 100 micrometers.
- the height difference between the bottom surface of the second region and the bottom surface of the third region may be 160 micrometers to 5 millimeters.
- the output of the light emitting device disposed in the second region may be greater than the output of the light emitting device disposed in the third region.
- Another embodiment includes a circuit board including at least two regions different in height from each other; At least one light emitting element disposed in each of the at least two regions; And a phosphor layer disposed on each of the light emitting devices, wherein each of the light emitting devices may be disposed at a distance within 100 micrometers in the horizontal direction.
- the circuit board includes a first region, a second region having a height higher than the first region, and a third region having a height higher than the second region, respectively, in the first region, the second region, and the third region.
- the light emitting element can be arranged.
- the height difference between the first area and the second area may be equal to the height difference between the second area and the third area.
- the second region may be disposed to face each other with the first region interposed therebetween and in a pair.
- the light emitting devices disposed on the pair of second regions may be arranged symmetrically with the first region therebetween.
- the third region is disposed to face each other with the first region interposed therebetween, and the pair is arranged symmetrically, and the light emitting devices disposed on the pair of third regions are arranged symmetrically with the first region interposed therebetween. Can be.
- a light emitting device array may be disposed adjacent to each other to implement a surface light source.
- each light emitting device is connected in parallel, current is supplied only to some light emitting devices in one light emitting device package. It is also possible to implement local dimming.
- the surface light source may be implemented and only a part of the area of the head lamp may be turned on to implement various signals.
- 1 is a view showing an arrangement of a light emitting device package
- 2 is a view showing the dark portion of the light emitting device package of three rows
- FIG. 3 is a view showing an embodiment of a light emitting device
- 4A and 4B are cross-sectional views of a first embodiment and a second embodiment of a light emitting device package
- 5A and 5B are views illustrating an arrangement of light emitting devices in the light emitting device package of FIG. 4A.
- FIG. 6 is a view illustrating an arrangement of light emitting devices in the light emitting device package of FIG. 4B;
- FIG. 7A and 7B are cross-sectional views of a third embodiment and a fourth embodiment of a light emitting device package
- 8A to 8E are views showing darkening in the light emitting device package of FIGS. 5A to 7B.
- 9A to 9C are exploded views illustrating a vehicle lamp unit according to an embodiment.
- FIG. 10 is a view showing a tail light for a vehicle including a lamp unit according to the embodiment.
- the above (on) or below (on) or under) when described as being formed on the "on or under” of each element, the above (on) or below (on) or under) includes both two elements being directly contacted with each other or one or more other elements are formed indirectly between the two elements.
- the above (on) or below when expressed as “on” or “under”, it may include the meaning of the downward direction as well as the upward direction based on one element.
- FIG 3 is a view illustrating an embodiment of a light emitting device.
- the light emitting device 100 may be applied to all light emitting devices in the light emitting device package below, and a horizontal type light emitting device may be applied in addition to the vertical type light emitting device shown.
- the light emitting structure 20 in the light emitting device 100 includes a first conductive semiconductor layer 22, an active layer 24, and a second conductive semiconductor layer 26.
- the first conductive semiconductor layer 22 may be implemented with compound semiconductors such as group III-V and group II-VI, and may be doped with the first conductive dopant.
- the first conductivity type semiconductor layer 22 has a composition formula of Al x In y Ga (1-xy) N (0 ⁇ x ⁇ 1, 0 ⁇ y ⁇ 1, 0 ⁇ x + y ⁇ 1). It may be formed of any one or more of a semiconductor material, AlGaN, GaN, InAlGaN, AlGaAs, GaP, GaAs, GaAsP, AlGaInP.
- the first conductivity type dopant may include an n type dopant such as Si, Ge, Sn, Se, Te, or the like.
- the first conductivity type semiconductor layer 22 may be formed as a single layer or a multilayer, but is not limited thereto.
- the first conductive semiconductor layer 22 may include at least one of InAlGaN and AlGaN.
- the active layer 24 is disposed between the first conductive semiconductor layer 22 and the second conductive semiconductor layer 26, and has a single well structure, a multi well structure, a single quantum well structure, and a multi quantum well.
- a multi-quantum well (MQW) structure, a quantum dot structure or a quantum line structure may be included.
- the active layer 24 is formed of a well layer and a barrier layer, for example, AlGaN / AlGaN, InGaN / GaN, InGaN / InGaN, GaN / AlGaN, InAlGaN / GaN, GaAs (InGaAs) using a compound semiconductor material of group III-V elements.
- a barrier layer for example, AlGaN / AlGaN, InGaN / GaN, InGaN / InGaN, GaN / AlGaN, InAlGaN / GaN, GaAs (InGaAs) using a compound semiconductor material of group III-V elements.
- / AlGaAs, GaP (InGaP) / AlGaP may be formed of any one or more pair structure, but is not limited thereto.
- the well layer may be formed of a material having an energy band gap smaller than the energy band gap of the barrier layer.
- the second conductive semiconductor layer 26 may be formed of a semiconductor compound.
- the second conductive semiconductor layer 26 may be formed of a compound semiconductor such as a group III-V group or a group II-VI, and may be doped with a second conductive dopant.
- the second conductivity-type semiconductor layer 26 is, for example, a semiconductor material having a compositional formula of In x Al y Ga 1-xy N (0 ⁇ x ⁇ 1, 0 ⁇ y ⁇ 1, 0 ⁇ x + y ⁇ 1), AlGaN , GaN AlInN, AlGaAs, GaP, GaAs, GaAsP, AlGaInP may be formed of any one or more.
- the second conductive dopant may be a p-type dopant such as Mg, Zn, Ca, Sr, or Ba.
- the second conductive semiconductor layer 26 may be formed as a single layer or a multilayer, but is not limited thereto. If the light emitting device 100 is an ultraviolet (UV) light, deep ultraviolet light, or a non-polarization light emitting device, the second conductive semiconductor layer 26 may include at least one of InAlGaN and AlGaN.
- the first electrode 70 on the first conductive semiconductor layer 22 Can be arranged.
- the first electrode 70 may be formed of a conductive material, for example, metal, and more specifically, Ag, Ni, Al, Rh, Pd, Ir, Ru, Mg, Zn, Pt, Au, Hf and their selection It can be made in a combination and can be formed in a single layer or a multi-layer structure.
- the light emitting structure 20, in particular, the second conductivity-type semiconductor layer 26 may be disposed on the ohmic layer 30, the reflective layer 40, the bonding layer 50, and the conductive support substrate 60. 30, the reflective layer 40, the bonding layer 50, and the conductive support substrate 60 may serve as the second electrode.
- the ohmic layer 30 may be about 200 angstroms thick.
- the ohmic layer 30 may include indium tin oxide (ITO), indium zinc oxide (IZO), indium zinc tin oxide (IZTO), indium aluminum zinc oxide (IAZO), indium gallium zinc oxide (IGZO), and indium gallium tin oxide (IGTO).
- ITO indium tin oxide
- IZO indium zinc oxide
- IZTO indium zinc tin oxide
- IAZO indium aluminum zinc oxide
- IGZO indium gallium zinc oxide
- IGTO indium gallium tin oxide
- the reflective layer 40 may be made of a metal layer including aluminum (Al), silver (Ag), nickel (Ni), platinum (Pt), rhodium (Rh), or an alloy containing Al, Ag, Pt, or Rh. .
- Aluminum or silver may effectively reflect light generated from the active layer 24, thereby greatly improving the light extraction efficiency of the light emitting device.
- the conductive support substrate (metal support) 60 may use a metal having excellent electrical conductivity, and a metal having high thermal conductivity may be used because it must be able to sufficiently dissipate heat generated when the light emitting device is operated.
- the conductive support substrate 60 may be formed of a metal or a semiconductor material. It may also be formed of a material having high electrical conductivity and thermal conductivity. For example, it may be made of a material selected from the group consisting of molybdenum (Mo), silicon (Si), tungsten (W), copper (Cu), and aluminum (Al) or alloys thereof, and also gold (Au). ), Copper alloy (Cu Alloy), nickel (Ni), copper-tungsten (Cu-W), carrier wafers (e.g. GaN, Si, Ge, GaAs, ZnO, SiGe, SiC, SiGe, Ga 2 O 3, etc.) And the like may optionally be included.
- the conductive support substrate 60 may have a mechanical strength enough to be separated into a separate chip through a scribing process and a breaking process without bringing warpage to the entire nitride semiconductor.
- the bonding layer 50 combines the reflective layer 40 and the conductive support substrate 60, and includes gold (Au), tin (Sn), indium (In), aluminum (Al), silicon (Si), and silver (Ag). , Nickel (Ni) and copper (Cu) can be formed of a material selected from the group consisting of or alloys thereof.
- the ohmic layer 30 and the reflective layer 40 may be formed by a sputtering method or an electron beam deposition method, and the conductive support substrate 60 may be formed by an electrochemical metal deposition method or a bonding method using an eutectic metal, or the like. , An additional bonding layer 50 can be formed.
- the passivation layer 80 may be disposed around the light emitting structure 20.
- the passivation layer 80 may be made of an insulating material, and the insulating material may be made of an oxide or nitride which is non-conductive.
- the passivation layer 80 may be formed of a silicon oxide (SiO 2 ) layer, an oxynitride layer, and an aluminum oxide layer.
- 4A and 4B are cross-sectional views of a first embodiment and a second embodiment of a light emitting device package.
- the light emitting device package 200a illustrated in FIG. 4A includes a first region a and a second region b 1 and b 2 having different heights from each other, and include a first region a and a second region.
- Arrays of light emitting devices 100a and 100b are arranged at different heights in (b 1 and b 2 ), respectively.
- the first region a may be a surface of the first circuit board 210
- the second regions b 1 and b 2 may be a surface of the second circuit board 215.
- the first circuit board 210 is brought into contact with the second circuit board 215 through the bonding layer 212, and is coupled to each other. A portion of the first circuit board 210 forms a cavity, and a bottom surface of the cavity is formed in the first circuit board 210. Region (a).
- two arrays of the light emitting devices 100a in the first area a and two arrays of the light emitting devices 100b in the second areas b 1 and b 2 are raised to each other. Since they are arranged differently, in particular, a space in which the two arrays of the light emitting devices 100a in the first region a are wire-bonded is secured, so that the distance between the arrays of the light emitting devices 100a and 100b can be reduced, thereby reducing the occurrence of dark areas. You can stop it.
- an array of four light emitting devices 100a and 100b is illustrated, but a plurality of light emitting devices may be arranged in other directions (for example, a vertical direction) as described later in FIG. 8A. Since it is made only in the direction shown in (for example, the horizontal direction), the wire bonding region may not be separately secured in other directions.
- the light emitting device package 200b shown in FIG. 4B is similar to the structure shown in FIG. 4A, but only one light emitting device 100a is shown in the first region a. That is, the light emitting device package 200b according to the present embodiment is different from the embodiment shown in FIG. 4A in that three arrays of the light emitting devices 100a and 100b are shown in one direction (for example, in the horizontal direction).
- 5A and 5B are views illustrating arrangement of light emitting devices in the light emitting device package of FIG. 4A.
- a first circuit board 210 and a second circuit board 215 are coupled through a bonding layer 212, and the first circuit board 210 and the second circuit board ( 215 may be a printed circuit board (PCB), a metal PCB, a flexible PCB, or the like, and the bonding layer 212 may be a conductive or nonconductive adhesive.
- PCB printed circuit board
- metal PCB metal PCB
- flexible PCB flexible PCB
- a cavity is formed in the first circuit board 210, and a bottom surface of the cavity forms a first region a, and two arrays of light emitting devices 100a are disposed in the first region a.
- 5A is a cross-sectional view, and the arrangement of the actual light emitting device 100a may be two horizontally, four vertically or more as shown in FIG. 8A.
- An array of light emitting devices 100a is disposed on the bottom surface of the cavity, that is, the first region a, and a phosphor layer 150a is disposed on each light emitting device 100a by a conformal coating method.
- the light emitting device 100a is bonded to the wire 160a, and the first-first bonding pad 190a on the light emitting device 100a is connected to the second-first bonding pad on the first circuit board 210. 210a and the wire 160a are connected.
- a portion of the phosphor layer 150a is opened to secure a space in which the first-first bonding pad 190a is disposed and the wire 160a is bonded, and the phosphor layer 150a is formed on the side surface of the light emitting device 100a. Can be arranged.
- the second circuit board 215 may be disposed to face each other with the above-described cavity interposed therebetween.
- the surface of the pair of second circuit boards 215 facing each other may be referred to as a second area.
- the 2-1 region b 1 and the 2-2 region b 2 are disposed to face each other.
- the height of the second region including the 2-1 region b 1 and the 2-2 region b 2 is higher than the height of the first region a.
- the structure of the array of light emitting devices 100b disposed in the second- first area b 1 and the second-second area b 2 is the same as that of the array of the light emitting devices 100a shown in the first area a. Do. That is, the array of light emitting devices 100b is disposed on the surface of the second circuit board 215, that is, the 2-1 area b 1 and the 2-2 area b 2 , and each light emitting device 100b is disposed. On the phosphor layer 150b is disposed in the manner of conformal coating. The 1-2 bonding pad 190b on the light emitting device 100b is connected to the second-2 bonding pad 215a on the second circuit board 215 by a wire 160b.
- a portion of the phosphor layer 150b is opened to secure a space in which the 1-2 bonding pad 190b is disposed and the wire 160b is bonded, and the phosphor layer 150b is formed on the side surface of the light emitting device 100b. Can be arranged.
- the array of light emitting devices 100b disposed in the second- first region b 1 and the second-second region b 2 , respectively, may have wires in opposite directions to the first region a, that is, in an outward direction in FIG. 5A. 160b) and may be disposed adjacent to the array of light emitting devices 100a on the first area a in the horizontal direction.
- the structure shown in FIG. 5A may form a cavity in the first circuit board 210, arrange the array of the light emitting devices 100a, and arrange the second circuit board 215 after the wire 160a bonding process. .
- the height h 1 of the light emitting devices 100a and 100b may be 90 micrometers to 100 micrometers
- the height h 2 of the phosphor layer 150a may be 50 micrometers to 60 micrometers
- the heights h 1 , h 2 , h 3 are all the heights from the bottom surface of the cavity of the first circuit board 210.
- the depth h 4 of the cavity may be a difference between the heights of the light emitting device 100a on the first area a and the light emitting device 100b on the second area, which may be 160 micrometers to 5 millimeters. If the depth h 4 of the cavity is too small, the wire 160a may be damaged in the formation process of the upper second circuit board 215, and if the depth h 4 of the cavity is too large, the first region a The luminance unevenness of the lighting device or the head lamp according to the luminance or the directivity of the light emitting device 100a and the light emitting device 100b on the second region may occur.
- Each of the light emitting devices 100a and 100b may be disposed at a distance within 100 micrometers from each other in the horizontal direction to prevent the occurrence of dark parts.
- the pair of light emitting devices 100a disposed in the first area a may be spaced apart from each other by a distance d 3 of 50 micrometers to 100 micrometers.
- d 3 When the separation distance d 3 between the pair of light emitting devices 100a disposed in the first region a is less than 50 micrometers, it may be difficult to mount the pair of light emitting devices 100a in a manufacturing process. If greater than 100 micrometers, a dark portion may occur between the pair of light emitting devices 100a and 100b.
- the array of light emitting devices 100a disposed in the first area a is wire bonded in an outward direction in FIG. 5A. That is, the pair of light emitting devices 100a arranged in the first area a is wire-bonded in the direction of the light emitting devices 100b arranged in the adjacent second area.
- the separation distance d 4 between the light emitting device 100a of the first area a and the light emitting device 100b of the 2-1 area b 1 or the 2-2 area b 2 disposed adjacent to each other. ) May be disposed at a distance of 50 micrometers to 100 micrometers from each other in the horizontal direction. If the separation distance d 4 is smaller than 50 micrometers, the space for bonding the wire 160a may be insufficient. If the separation distance d 4 is larger than 100 micrometers, a dark portion may occur between the pair of light emitting devices 100a and 100b.
- the above-described separation distance d 3 or d 4 refers to the separation distance in the horizontal direction, that is, d 4 refers to the distance spaced in the horizontal direction when the light emitting devices 100a and 100b are disposed on the same plane.
- the light emitting device package 200a shown in FIG. 5B is similar to the light emitting device package 200a of FIG. 5A, but is disposed in the second area, that is, the second- first area b 1 and the second-second area b 2 .
- a portion of the array of light emitting devices 100b is disposed to face the bottom surface of the first region a. That is, a pair of light emitting devices 100b are partially protruded into the cavity on the first circuit board 210 as compared to FIG. 5A, and the second circuit board 215 is also the cavity on the first circuit board 210. Since a part of the light emitting device 100b is disposed to protrude into the inside, the pair of light emitting devices 100b may not be disposed directly facing the bottom surface of the first region a.
- the light emitting device 100a of the first area region a and the light emitting device 100b of the 2-1 area b 1 or the 2-2 area b 2 are provided.
- the horizontal separation distance between them is not only within 100 micrometers, but may also be zero as shown.
- the edges of the light emitting device 100a of the first area region a and the light emitting device 100b of the 2-1 area b 1 or the 2-2 area b 2 coincide with each other.
- the edges of each active layer may coincide.
- FIG. 6 is a view illustrating an arrangement of light emitting devices in the light emitting device package of FIG. 4B.
- the light emitting device package 200b according to the present embodiment is similar to the embodiment shown in FIG. 5B, except that only one light emitting device 100a is disposed on the first region a. Accordingly, the pair of light emitting devices 100b partially protrude into the cavity on the first circuit board 210, and the second circuit board 215 also partially protrudes into the cavity on the first circuit board 210. The pair of light emitting devices 100b may not be disposed directly facing the bottom surface of the first region a.
- the light emitting device package 200a In the light emitting device package 200a according to the present structure, light is emitted from both edges of the light emitting device 100a of the first area region a, the 2-1 area b 1 , and the 2-2 area b 2 .
- the horizontal separation distance between the elements 100b may be zero as illustrated.
- the first region region a when the light emitting devices 100b of the second- first region b 1 and the second-second region b 2 do not protrude in the cavity direction, the first region region a
- the horizontal separation distance between both edges of the light emitting device 100a and the light emitting device 100b of the 2-1 area b 1 and the 2-2 area b 2 may be within 100 micrometers. have.
- the horizontal separation distance between the light emitting device 100a, the second-first region b1, and the second-second region b2 may be the same as the distance d4 shown in FIG. 5A.
- the output of the light emitting devices arranged in the first area may be greater than that of the light emitting devices arranged in the second area.
- the light emitting device disposed in a region having a lower height may have a larger output.
- the pair of second regions that is, the second-first region b1 and the second-second region b2 are symmetrically facing each other with the first region a interposed therebetween.
- the light emitting devices 160b disposed on the 2-1 region b1 and the 2-2 region b2 are symmetrically disposed with the first region a interposed therebetween.
- the pair of third regions that is, the 3-1 region c1 and the 3-2 region bc face each other with the first region a interposed therebetween, and are symmetrical to each other.
- the light emitting devices 160c disposed on the third-first region c1 and the third-second region c2 are arranged symmetrically with the first region a interposed therebetween.
- FIG. 7A and 7B are cross-sectional views of a third embodiment and a fourth embodiment of a light emitting device package, in which a circuit board is disposed in three regions having different heights from each other.
- the circuit board includes a third circuit board 225 in addition to the first circuit board 210 and the second circuit board 215, and the first circuit board 210.
- the second circuit board 215 may be coupled to the coupling layer 212, and the second circuit board 215 and the third circuit board 225 may also be coupled through the coupling layer 222.
- a cavity is formed in the first circuit board 210, a bottom surface of the cavity forms a first area a, and a pair of light emitting devices 100a are disposed on the first area a.
- the configuration, arrangement, and the like of the device 100a are the same as those of the embodiment shown in FIG. 5A.
- the pair of second circuit boards 215 is disposed with the cavity in the first circuit board 210 interposed therebetween, and each of the second circuit boards 215 has a stepped structure.
- the height of the first region a is lower than the height of the edge, and the array of light emitting devices 100b is disposed in the region having the low height.
- Regions on the second circuit board 215 on which the array of light emitting devices 100b are disposed may be referred to as 2-1 region b 1 and 2-2 region b 2 , respectively.
- the configuration, arrangement, and the like of the pair of light emitting devices 100b disposed on the second- first region b 1 and the second-second region b 2 are the same as those of the embodiment shown in FIG. 5A.
- the difference h4 between the heights of the third-first region C1 and the second-first region B1 is shown in FIG. 5A as the light emitting device 100a on the first region a and the light emitting device 100b on the second region. Can be 160 micrometers to 5 millimeters, equal to the difference in height h4). If the height h 4 of the second circuit board is too small, the wire 160b may be damaged in the process of forming the third circuit board 225, etc., and the height h 4 of the second circuit board is too large.
- the luminance of the lighting device or the headlamp according to the luminance or the directivity of the light emitting device 100b on the second- first area b 1 and the second-second area b 2 and the light-emitting device 100c on the third area. Unevenness may occur.
- the third circuit board 225 may be disposed to face each other with the 2-1 region b 1 and the 2-2 region b 2 interposed therebetween, and a pair of third circuits facing each other.
- the surface of the substrate 225 may be referred to as a third region, in which the 3-1 region c 1 and the 3-2 region c 2 face each other.
- the height of the third region including the 3-1 region (c 1 ) and the 3-2 region (c 2 ) is the first region (a) and the 2-1 region (b 1 ) and the 2-2 region. It is higher than the height of (b 2 ).
- the structure of the array of light emitting devices 100c disposed in the 3-1 area (c 1 ) and the 3-2 area (c 2 ) is the same as that of the array of the light emitting device 100a shown in the first area (a) or the like. Do. That is, the array of light emitting devices 100c is disposed on the surface of the third circuit board 225, that is, the 3-1 area c 1 and the 3-2 area c 2 , and each of the light emitting devices 100c. On the phosphor layer 150c is disposed in the manner of conformal coating. The 1-3 bonding pad 190c on the light emitting device 100c is connected to the 2-3 bonding pad 225a on the third circuit board 225 by a wire 160c.
- a portion of the phosphor layer 150c is opened to secure a space in which the 1-3 bonding pad 190c is disposed and the wire 160c is bonded, and the phosphor layer 150c is formed on the side surface of the light emitting device 100c in addition to the upper surface thereof. Can be arranged.
- the array of light emitting devices 100c disposed in the 3-1 th region (c 1 ) and the 3-2 th region (c 2 ) is respectively divided into the 2-1 region (b 1 ) and the 2-2 region (b 2 ). Since the wire 160c is bonded in the opposite direction, that is, in the outward direction in FIG. 7A, the light emitting device 100b is disposed adjacent to the array of light emitting devices 100b on the 2-1 region (b 1 ) and the 2-2 region (b 2 ). Can be.
- the horizontal distances d 5 in the horizontal direction between the light emitting devices 100c disposed in the region c 2 may be disposed at a distance of 50 micrometers to 100 micrometers from each other. If the separation distance d 5 is smaller than 50 micrometers, the space for bonding the wire 160b may be insufficient. If the separation distance d 5 is larger than 100 micrometers, a dark portion may occur between the pair of light emitting devices 100b and 100b.
- the light emitting device 100b is wire-bonded to the 2-1 region b 1 or the 2-2 region b 2 in which the above-described horizontal separation distance d 5 is 50 to 100 micrometers. have.
- the array of light emitting devices 100c disposed in the 3-1 region (c 1 ) and the 3-2 region (c 2 ) may be different from the 2-1 region (b 1 ) or the 2-2 region (b 2 ), respectively. Since the wire 160c is bonded in the opposite direction, that is, in the outward direction in FIG. 7A, the wire 160c is adjacent to the array of the light emitting devices 100b on the second- first region b 1 or the second-second region b 2 . Can be arranged.
- the light emitting device package 200a illustrated in FIG. 7B is similar to the light emitting device package 200a of FIG. 7A, but one light emitting device 100a is disposed in the first region a, and the second region, that is, the second region 2-2.
- a part of the array of light emitting devices 100b disposed in the first region b 1 and the second-2 region b 2 is disposed to face the bottom surface of the first region a, and the third region, that is, the third region.
- a portion of the array of light emitting devices 100c disposed in the first region c 1 and the third- 2 region c 2 is the bottom surface of the second- 1 region b 1 and the second-2 region b 2 . It is placed facing each other.
- a pair of light emitting devices 100b are partially protruded into the cavity on the first circuit board 210 as compared to FIG. 7A, and the second circuit board 215 is also a cavity on the first circuit board 210. Since a part of the light emitting device 100b is disposed to protrude into the inside, the pair of light emitting devices 100b may not be disposed directly facing the bottom surface of the first region a.
- a pair of light emitting devices 100c are partially protruded into the cavity on the second circuit board 215 as compared to FIG. 7A, and the third circuit board 215 is also a cavity on the second circuit board 215. Since a part of the light emitting device 100c is disposed to protrude to the inside, the pair of light emitting devices 100c may not be disposed directly facing the bottom surfaces of the 2-1 region b 1 and the 2-2 region b 2 .
- the light emitting device 100a of the first area region a and the light emitting device 100b of the 2-1 area b 1 or the 2-2 area b 2 are provided.
- the horizontal separation distance between them is not only within 100 micrometers, but may also be zero as shown.
- the light emitting device 100b in the 2-1 region b 1 or the 2-2 region b 2 and the light emitting element in the 3-1 region c 1 or the 3-2 region c 2 .
- the horizontal separation distance between 100c is not only within 100 micrometers, but may also be zero as shown.
- only one light emitting device 100a is disposed on the first area a, and both edges of the light emitting device 100a of the first area area a and the second-first area ( The horizontal separation distance between the light emitting device 100b in the b 1 ) and the second-2 region b 2 may be zero as illustrated.
- the light emitting devices are disposed in three different height regions, and when the structures of the third circuit board and the light emitting device 100c are added above, the light emitting device packages are disposed at four or more different heights. You can also implement
- 8A to 8E are views showing darkening in the light emitting device package of FIGS. 5A to 7B.
- the light emitting device package shown in FIG. 8A is a plan view of FIG. 5A and schematically shows only light emitting elements and their spacing.
- the horizontal distance between the light emitting devices 100a on the first area is 50 micrometers to 100 micrometers, and the horizontal distance between the light emitting devices 100a on the first area and the light emitting devices 100b on the adjacent second area. 50 micrometers to 100 micrometers.
- the distance between the respective light emitting devices 100a and 100b in the other direction, that is, the vertical direction in FIG. 8A, is not limited because the wire bonding is made in the above-described horizontal direction.
- the light emitting device package shown in FIG. 8B is a plan view of FIG. 5B and schematically shows only light emitting elements and their spacings.
- the horizontal distance between the light emitting devices 100a on the first area is 50 micrometers to 100 micrometers, and the horizontal distance between the light emitting devices 100a on the first area and the light emitting devices 100b on the adjacent second area. Is also zero.
- the distance between each of the light emitting devices 100a and 100b in the other direction, that is, the vertical direction in FIG. 8B, is not limited because the wire bonding is made in the above-described horizontal direction.
- the light emitting device package illustrated in FIG. 8C is a plan view of FIG. 6 and schematically shows only light emitting elements and their spacings.
- One light emitting device 100a is disposed on the first area, and the horizontal distance between the light emitting device 100a on the first area and the light emitting device 100b on the adjacent second area is zero.
- the distance between the respective light emitting devices 100a and 100b in the other direction, that is, the vertical direction in FIG. 8C, is not limited because the wire bonding is made in the above-described horizontal direction.
- the light emitting device package illustrated in FIG. 8D is a plan view of FIG. 7A and schematically shows only light emitting elements and their spacing.
- the horizontal distance between the light emitting devices 100a on the first area is 50 micrometers to 100 micrometers
- the horizontal distance between the light emitting devices 100a on the first area and the light emitting devices 100b on the adjacent second area is 50 micrometers to 100 micrometers
- the horizontal distance between the light emitting device 100b on the second region and the light emitting device 100c on the adjacent third region is also 50 micrometers to 100 micrometers.
- the distance between the respective light emitting devices 100a, 100b, and 100c in the other direction, that is, the vertical direction in FIG. 8A, is not limited since the wire bonding is made in the above-described horizontal direction.
- the light emitting device package illustrated in FIG. 8E is a plan view of FIG. 7B and schematically shows only light emitting elements and their spacing.
- One light emitting device 100a is disposed on the first area, and the horizontal distance between the light emitting device 100a on the first area and the light emitting device 100b on the second area adjacent to the first area is zero, and the light emission on the second area is zero.
- the horizontal distance between the device 100b and the light emitting device 100c on the adjacent third region is also zero.
- two light emitting devices may be disposed adjacent to each other in the horizontal direction, such that surface light sources may be disposed.
- the light emitting device arrays may be disposed adjacent to each other in the above-described light emitting device package to implement a surface light source, and when each light emitting device is connected in parallel, local dimming in which a current is supplied to only some light emitting devices in one light emitting device package (local dimming).
- the surface light source when the light emitting device package is provided in the head lamp, the surface light source may be implemented and only a part of the area of the head lamp may be turned on to implement various signals.
- 9A to 9C are exploded views illustrating a vehicle lamp unit according to an embodiment.
- a base plate 400, a spacer 700, and an optical member 600, on which a plurality of light emitting devices 100 are disposed may be disposed. It may include.
- the light emitting device 100 may be disposed on the base plate 400, and the base plate 400 may include an electrode pattern for electrically connecting the light emitting devices 100.
- the light emitting device 100 may be a light emitting device disposed in the above-described light emitting device package, and in some regions, a plurality of light emitting devices are adjacent to each other.
- the base plate 400 may be manufactured to have flexibility, from polyethylene terephthalate (PET), glass, polycarbonate (PC), silicon (Si), polyimide, epoxy, and the like. It may be a printed circuit board (PCB) substrate made of any one selected material, or may be formed in a film form.
- PET polyethylene terephthalate
- PC polycarbonate
- Si silicon
- PCB printed circuit board
- the base plate 400 may selectively use a single layer PCB, a multilayer PCB, a ceramic substrate, a metal core PCB, or the like.
- the base plate 400 may be bent by applying a soft material, but may be bent by structural deformation.
- the base plate 400 may include a curved surface having one or more curvatures.
- a hole may be formed in the region of the base plate 400 corresponding to the connection protrusion of the lens 200.
- the lens 200 may be fastened to the base plate 400 through the hole of the base plate 400.
- the base plate 400 may include a fixing projection 420 protruding in a lower direction opposite to the upper surface facing the light emitting devices 100.
- the base plate 400 may be fixed to the mounting object having a curvature through the fixing protrusion 420.
- any one of a reflective coating film and a reflective coating material layer may be formed in the base plate 400, and may reflect light generated from a light source toward the optical member 600.
- the reflective coating film or the reflective coating material layer may include a metal or metal oxide having high reflectance such as aluminum (Al), silver (Ag), gold (Au), titanium dioxide (TiO 2 ), or the like. .
- the base plate 400 may include a plurality of heat dissipation pins for dissipating heat generated from the light source.
- the light emitting devices 100 may be light emitting diode chips, and may include red LED chips, blue LED chips, or ultraviolet LED chips, or red LED chips, green LED chips, blue LED chips, and yellow greens. It may be configured in a package form combining at least one or more of the LED chip, the white LED chip.
- the light emitting device 100 may be a vertical light emitting chip, for example, a red light emitting chip, but embodiments are not limited thereto.
- the spacer 700 may be disposed between the base plate 400 and the optical member 600 and may support an edge of the optical member 600.
- the spacer 700 may include a bottom surface facing the base plate 400 and a side surface extending in the direction of the optical member 600 from the edge of the bottom surface.
- the bottom surface of the spacer 700 may be spaced apart from the base plate 400 by a predetermined interval.
- the bottom surface of the spacer 700 may contact the base plate 400.
- the bottom surface of the spacer 700 may be a curved surface having one or more curvatures.
- the side surface of the spacer 700 may be inclined with respect to the bottom surface of the spacer 700.
- any one of a reflective coating film and a reflective coating material layer may be formed in the spacer 700, and may reflect light generated by the light source 100 in the direction of the optical member 600.
- the reflective coating film or the reflective coating material layer may include a metal or metal oxide having high reflectance such as aluminum (Al), silver (Ag), gold (Au), titanium dioxide (TiO 2 ), or the like. .
- the optical member 600 may be disposed at a predetermined interval from the base plate 400, and a light mixing area is formed in the space between the base plate 400 and the optical member 600. Can be formed.
- the optical member 600 may be disposed away from the base plate 400 by a predetermined interval, and the interval may be about 10 mm or more.
- the lamp unit does not exhibit uniform luminance, and a hot spot in which strong luminance appears in an area where the light source 100 is located.
- the phenomenon or vice versa, dark spots may appear, in which relatively weak luminance appears.
- the optical member 600 may include at least one sheet, and may selectively include a diffusion sheet, a prism sheet, a brightness enhancement sheet, and the like.
- the diffusion sheet diffuses the light emitted from the light emitting device 100
- the prism sheet guides the diffused light to the light emitting region
- the brightness diffusion sheet enhances the brightness.
- the diffusion sheet may be generally formed of an acrylic resin, but is not limited thereto.
- PS polystyrene
- PMMA polymethyl methacrylate
- COC cyclic olefin copoly
- PET polyethylene terephthalate
- PS polystyrene
- PMMA polymethyl methacrylate
- COC cyclic olefin copoly
- PET polyethylene terephthalate
- PS polystyrene
- PMMA polymethyl methacrylate
- COC cyclic olefin copoly
- PET polyethylene terephthalate
- It may be made of a material capable of performing a light diffusing function such as a high permeability plastic such as resin.
- the optical member 600 may include a curved surface having one or more curvatures.
- the optical member 600 may have a surface having at least one of a concave curved surface, a convex curved surface, and a flat plane, depending on the outer shape of the cover member or the mounting object.
- the embodiment forms a light mixing region in the empty space between the lens 200 covering the light source and the base plate 400 and the optical member 600, thereby reducing the surface area with a small number of light sources.
- the light source can be implemented.
- the surface light source refers to a light source whose light emitting part has a diffused shape in a plane shape, and in an embodiment, a lamp capable of realizing the surface light source with a small number of light sources disposed adjacent to each other. Units may be provided.
- the light emitting devices may be connected in parallel to each other so that only some of the light emitting devices are turned on in the lamp unit, thereby implementing a plurality of signals in one lamp unit.
- FIG. 10 is a view showing a tail light for a vehicle including a lamp unit according to the embodiment.
- the vehicle taillight 800 may include a first lamp unit 812, a second lamp unit 814, a third lamp unit 816, and a housing 810.
- the first lamp unit 812 may be a light source for the role of a turn signal
- the second lamp unit 814 may be a light source for the role of a traffic light
- the third lamp unit 816 may serve as a stop light. It may be a light source for, but is not limited to this, the role may be interchanged.
- the housing 810 may accommodate the first to third lamp units 812, 814, and 816 and may be made of a light transmitting material.
- the housing 810 may have a curvature according to the design of the vehicle body, and the first to third lamp units 812, 814, and 816 may implement a surface light source that can be bent, depending on the shape of the housing 810. Can be.
- the light emitting device package according to the embodiment may implement a surface light source in a vehicle lamp unit.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Led Device Packages (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
Claims (20)
- 제1 영역과 상기 제1 영역보다 높이가 높은 제2 영역을 포함하고, 상기 제2 영역은 상기 제1 영역을 사이에 두고 서로 마주보는 제2-1 영역과 제2-2 영역을 포함하는 회로 기판;상기 제1 영역과 제2 영역에 각각 적어도 하나씩 배치된 발광소자; 및상기 각각의 발광소자 상에 배치된 형광체층을 포함하고,상기 각각의 발광소자는 수평 방향으로 100 마이크로 미터 이내의 거리에 배치되는 발광소자 패키지.
- 제1 항에 있어서,상기 회로 기판은 상기 제1 영역의 제2 회로 기판과 상기 제2 영역의 제2 회로 기판이 접촉하며 배치되는 발광소자 패키지.
- 제1 항에 있어서,상기 제2 영역의 높이가 상기 제1 영역의 높이보다 높은 발광소자 패키지.
- 제1 항 내지 제3 항 중 어느 한 항에 있어서,상기 제1 영역 내에 2열의 발광소자가 배치되고, 상기 2열의 발광소자는 서로 50 마이크로 미터 내지 100 마이크로 미터 이격되는 발광소자 패키지.
- 제1 항 내지 제3 항 중 어느 한 항에 있어서,인접하여 배치되는 상기 제1 영역 내의 발광소자와 상기 제2 영역 내의 발광소자는 0 보다 크고 100 마이크로 미터 보다 작은 수평 방향의 거리를 사이에 두고 배치되는 발광소자 패키지.
- 제1 항 내지 제3 항 중 어느 한 항에 있어서,상기 제1 영역에 1열 내지 2열의 발광소자가 배치되고, 상기 제2-1 영역과 제2-2 영역에 각각 1열의 발광소자가 배치되는 발광소자 패키지.
- 제1 항 내지 제3 항 중 어느 한 항에 있어서,상기 제1 영역의 바닥면과 상기 제2 영역의 바닥면의 높이차는 160 마이크로 미터 내지 5 밀리미터인 발광소자 패키지.
- 제1 항 내지 제3 항 중 어느 한 항에 있어서,상기 각각의 발광소자의 높이는 90 마이크로 미터 내지 100 마이크로 미터이고, 상기 형광체층의 높이는 50 마이크로 미터 내지 60 마이크로 미터인 발광소자 패키지.
- 제1 항 내지 제3항 중 어느 한 항에 있어서,상기 제1 영역에 배치된 발광소자의 출력은 상기 제2 영역에 배치된 발광소자의 출력보다 큰 발광소자 패키지.
- 제1 항 내지 제3 항 중 어느 한 항에 있어서,상기 회로 기판은 상기 제2 영역보다 더 높게 배치된 제3 영역을 더 포함하고, 상기 제3 영역은 상기 제2 영역을 사이에 두고 서로 마주보는 제3-1 영역과 제3-2 영역을 포함하며, 상기 제3-1 영역과 제3-2 영역에 각각 적어도 하나의 발광소자가 배치된 발광소자 패키지.
- 제10 항에 있어서,상기 제3 영역의 발광소자는 상기 제2 영역의 발광소자와 수평 방향으로 100 마이크로 미터 이내의 거리에 배치되는 발광소자 패키지.
- 제10 항에 있어서,인접하여 배치되는 상기 제2 영역 내의 발광소자와 상기 제3 영역 내의 발광소자는 0 보다 크고 100 마이크로 미터 보다 작은 수평 방향의 거리를 사이에 두고 배치되는 발광소자 패키지.
- 제10 항에 있어서,상기 제2 영역의 바닥면과 상기 제3 영역의 바닥면의 높이차는 160 마이크로 미터 내지 5 밀리미터인 발광소자 패키지.
- 제10 항에 있어서,상기 제2 영역에 배치된 발광소자의 출력은 상기 제3 영역에 배치된 발광소자의 출력보다 큰 발광소자 패키지.
- 서로 높이가 다른 적어도 2개의 영역을 포함하는 회로 기판;상기 적어도 2개의 영역에 각각 적어도 하나가 배치된 발광소자; 및상기 각각의 발광소자 상에 배치된 형광체층을 포함하고,상기 각각의 발광소자는 수평 방향으로 100 마이크로 미터 이내의 거리에 배치되는 발광소자 패키지.
- 제15 항에 있어서,상기 회로 기판은 제1 영역과, 상기 제1 영역보다 높이가 높은 제2 영역과, 상기 제2 영역보다 높이가 높은 제3 영역을 포함하고, 상기 제1 영역과 제2 영역 및 제3 영역에 각각 발광소자가 배치된 발광소자 패키지.
- 제16 항에 있어서,상기 제1 영역과 제2 영역의 높이차는, 상기 제2 영역과 상기 제3 영역의 높이차와 동일한 발광소자 패키지.
- 제15 항에 있어서,상기 제2 영역은 상기 제1 영역을 사이에 두고 서로 마주 보며 한 쌍이 대칭을 이루며 배치되는 발광소자 패키지.
- 제18 항에 있어서,상기 한 쌍의 제2 영역 상에 각각 배치된 발광소자들은, 상기 제1 영역을 사이에 두고 대칭을 이루며 배치되는 발광소자 패키지.
- 제16 항 내지 제19 항에 있어서,상기 제3 영역은 상기 제1 영역을 사이에 두고 서로 마주 보며 한 쌍이 대칭을 이루며 배치되고, 상기 한 쌍의 제3 영역 상에 각각 배치된 발광소자들은 상기 제1 영역을 사이에 두고 대칭을 이루며 배치되는 발광소자 패키지.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14773611.0A EP2980866B1 (en) | 2013-03-25 | 2014-03-25 | Light-emitting element package |
US14/779,896 US10177286B2 (en) | 2013-03-25 | 2014-03-25 | Light emitting element package having three regions |
JP2016504260A JP6359632B2 (ja) | 2013-03-25 | 2014-03-25 | 発光素子パッケージ |
CN201480018475.1A CN105103313B (zh) | 2013-03-25 | 2014-03-25 | 发光元件封装 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2013-0031494 | 2013-03-25 | ||
KR1020130031494A KR101998765B1 (ko) | 2013-03-25 | 2013-03-25 | 발광소자 패키지 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014157905A1 true WO2014157905A1 (ko) | 2014-10-02 |
Family
ID=51624787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2014/002485 WO2014157905A1 (ko) | 2013-03-25 | 2014-03-25 | 발광소자 패키지 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10177286B2 (ko) |
EP (1) | EP2980866B1 (ko) |
JP (1) | JP6359632B2 (ko) |
KR (1) | KR101998765B1 (ko) |
CN (1) | CN105103313B (ko) |
WO (1) | WO2014157905A1 (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016080768A1 (ko) * | 2014-11-18 | 2016-05-26 | 서울반도체 주식회사 | 발광 장치 및 이를 포함하는 차량용 램프 |
WO2016099169A1 (ko) * | 2014-12-17 | 2016-06-23 | 주식회사 엘엠에스 | 반사시트 구조물 및 이를 구비한 백라이트 유닛 |
JP2017103381A (ja) * | 2015-12-03 | 2017-06-08 | シチズン電子株式会社 | 発光装置 |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016201606A1 (de) * | 2016-02-03 | 2017-08-03 | Osram Gmbh | Beleuchtungsvorrichtung zur emission von beleuchtungslicht |
TWI581417B (zh) * | 2016-04-11 | 2017-05-01 | 友達光電股份有限公司 | 發光裝置及其製造方法 |
JP6940749B2 (ja) * | 2016-04-28 | 2021-09-29 | 日亜化学工業株式会社 | 発光装置 |
US10340308B1 (en) | 2017-12-22 | 2019-07-02 | X Development Llc | Device with multiple vertically separated terminals and methods for making the same |
JP7053329B2 (ja) | 2018-03-22 | 2022-04-12 | スタンレー電気株式会社 | 車両用灯具 |
EP3597991A1 (en) * | 2018-06-21 | 2020-01-22 | Automotive Lighting Italia S.p.A. | Automotive light |
CN109461380B (zh) * | 2018-06-26 | 2021-11-05 | 矽照光电(厦门)有限公司 | 一种柔性有源彩色显示模块 |
TWI685991B (zh) * | 2018-08-01 | 2020-02-21 | 宏齊科技股份有限公司 | 適用於雙面焊接的led光源及其製造方法 |
US11610868B2 (en) | 2019-01-29 | 2023-03-21 | Osram Opto Semiconductors Gmbh | μ-LED, μ-LED device, display and method for the same |
US11271143B2 (en) | 2019-01-29 | 2022-03-08 | Osram Opto Semiconductors Gmbh | μ-LED, μ-LED device, display and method for the same |
US11156759B2 (en) | 2019-01-29 | 2021-10-26 | Osram Opto Semiconductors Gmbh | μ-LED, μ-LED device, display and method for the same |
US11302248B2 (en) | 2019-01-29 | 2022-04-12 | Osram Opto Semiconductors Gmbh | U-led, u-led device, display and method for the same |
ES2925729T3 (es) * | 2019-03-28 | 2022-10-19 | Signify Holding Bv | Pila de PCB de múltiples capas para mezclar colores |
US11538852B2 (en) | 2019-04-23 | 2022-12-27 | Osram Opto Semiconductors Gmbh | μ-LED, μ-LED device, display and method for the same |
JP7494215B2 (ja) * | 2019-05-23 | 2024-06-03 | エイエムエス-オスラム インターナショナル ゲーエムベーハー | 照明配置構造体、光誘導配置構造体およびそれらに関する方法 |
CN113552745A (zh) * | 2020-04-23 | 2021-10-26 | 华为技术有限公司 | 一种显示设备及其驱动方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09148711A (ja) * | 1995-11-20 | 1997-06-06 | Chikaya Yamashita | 印刷回路におけるledの取付構造 |
US20060245188A1 (en) * | 2005-04-28 | 2006-11-02 | Sharp Kabushiki Kaisha | Semiconductor light emitting device |
KR20080027601A (ko) * | 2006-09-25 | 2008-03-28 | 엘지이노텍 주식회사 | 발광 장치 |
JP2008211261A (ja) * | 2008-06-09 | 2008-09-11 | Sharp Corp | 窒化物半導体発光素子 |
JP4813309B2 (ja) * | 2006-09-26 | 2011-11-09 | 株式会社小糸製作所 | 車両用灯具 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW578280B (en) * | 2002-11-21 | 2004-03-01 | United Epitaxy Co Ltd | Light emitting diode and package scheme and method thereof |
US9793247B2 (en) * | 2005-01-10 | 2017-10-17 | Cree, Inc. | Solid state lighting component |
JP4971672B2 (ja) * | 2005-09-09 | 2012-07-11 | パナソニック株式会社 | 発光装置 |
JP5122177B2 (ja) | 2007-04-27 | 2013-01-16 | 株式会社小糸製作所 | 車両用灯具 |
JP5158472B2 (ja) | 2007-05-24 | 2013-03-06 | スタンレー電気株式会社 | 半導体発光装置 |
CN101325193B (zh) * | 2007-06-13 | 2010-06-09 | 先进开发光电股份有限公司 | 发光二极管封装体 |
DE102007041896A1 (de) * | 2007-09-04 | 2009-03-05 | Osram Opto Semiconductors Gmbh | Halbleiterbauelement und Verfahren zur Herstellung eines Halbleiterbauelements |
CN101572012A (zh) * | 2008-04-28 | 2009-11-04 | 富准精密工业(深圳)有限公司 | 发光二极管模组及使用该模组的交通指示灯 |
JP5236070B2 (ja) * | 2008-05-13 | 2013-07-17 | シーメンス アクチエンゲゼルシヤフト | Ledアレイ |
DE102009025564A1 (de) | 2008-10-21 | 2010-05-20 | Siemens Aktiengesellschaft | Beleuchtungsanordnung mit einem LED-Array |
KR101562774B1 (ko) | 2009-02-24 | 2015-10-22 | 서울반도체 주식회사 | 발광모듈 |
US8138509B2 (en) * | 2009-02-27 | 2012-03-20 | Visera Technologies Company, Limited | Light emitting device having luminescent layer with opening to exposed bond pad on light emitting die for wire bonding pad to substrate |
JP2010212508A (ja) * | 2009-03-11 | 2010-09-24 | Sony Corp | 発光素子実装用パッケージ、発光装置、バックライトおよび液晶表示装置 |
DE102009015224A1 (de) * | 2009-03-31 | 2010-12-02 | Siemens Aktiengesellschaft | LED-Lichtquelle mit einer Vielzahl von LED-Chips und LED-Chip zur Verwendung in selbiger |
TWI440159B (zh) * | 2009-08-03 | 2014-06-01 | Chunghwa Picture Tubes Ltd | 發光二極體封裝結構及其支架結構 |
EP2378576A2 (en) | 2010-04-15 | 2011-10-19 | Samsung LED Co., Ltd. | Light emitting diode package, lighting apparatus having the same, and method for manufacturing light emitting diode package |
DE102010024864B4 (de) | 2010-06-24 | 2021-01-21 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Optoelektronisches Halbleiterbauteil |
CN102130107B (zh) | 2010-12-13 | 2013-01-09 | 吉林大学 | 阶梯阵列式高压发光管及其制备方法 |
DE102011087887A1 (de) * | 2011-12-07 | 2013-06-13 | Osram Gmbh | Leuchtdiodenanordnung |
JP6097084B2 (ja) * | 2013-01-24 | 2017-03-15 | スタンレー電気株式会社 | 半導体発光装置 |
-
2013
- 2013-03-25 KR KR1020130031494A patent/KR101998765B1/ko active IP Right Grant
-
2014
- 2014-03-25 JP JP2016504260A patent/JP6359632B2/ja active Active
- 2014-03-25 CN CN201480018475.1A patent/CN105103313B/zh active Active
- 2014-03-25 US US14/779,896 patent/US10177286B2/en active Active
- 2014-03-25 EP EP14773611.0A patent/EP2980866B1/en active Active
- 2014-03-25 WO PCT/KR2014/002485 patent/WO2014157905A1/ko active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09148711A (ja) * | 1995-11-20 | 1997-06-06 | Chikaya Yamashita | 印刷回路におけるledの取付構造 |
US20060245188A1 (en) * | 2005-04-28 | 2006-11-02 | Sharp Kabushiki Kaisha | Semiconductor light emitting device |
KR20080027601A (ko) * | 2006-09-25 | 2008-03-28 | 엘지이노텍 주식회사 | 발광 장치 |
JP4813309B2 (ja) * | 2006-09-26 | 2011-11-09 | 株式会社小糸製作所 | 車両用灯具 |
JP2008211261A (ja) * | 2008-06-09 | 2008-09-11 | Sharp Corp | 窒化物半導体発光素子 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2980866A4 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016080768A1 (ko) * | 2014-11-18 | 2016-05-26 | 서울반도체 주식회사 | 발광 장치 및 이를 포함하는 차량용 램프 |
US10274143B2 (en) | 2014-11-18 | 2019-04-30 | Seoul Semiconductor Co., Ltd. | Light emitting device and vehicular lamp comprising same |
US10323803B2 (en) | 2014-11-18 | 2019-06-18 | Seoul Semiconductor Co., Ltd. | Light emitting device and vehicular lamp comprising same |
US10655801B2 (en) | 2014-11-18 | 2020-05-19 | Seoul Semiconductor Co., Ltd. | Light emitting device and vehicular lamp comprising same |
WO2016099169A1 (ko) * | 2014-12-17 | 2016-06-23 | 주식회사 엘엠에스 | 반사시트 구조물 및 이를 구비한 백라이트 유닛 |
JP2017103381A (ja) * | 2015-12-03 | 2017-06-08 | シチズン電子株式会社 | 発光装置 |
Also Published As
Publication number | Publication date |
---|---|
EP2980866B1 (en) | 2021-05-05 |
JP2016516305A (ja) | 2016-06-02 |
US10177286B2 (en) | 2019-01-08 |
JP6359632B2 (ja) | 2018-07-18 |
EP2980866A4 (en) | 2016-12-07 |
KR20140116654A (ko) | 2014-10-06 |
US20160056345A1 (en) | 2016-02-25 |
EP2980866A1 (en) | 2016-02-03 |
KR101998765B1 (ko) | 2019-07-10 |
CN105103313B (zh) | 2018-04-10 |
CN105103313A (zh) | 2015-11-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2014157905A1 (ko) | 발광소자 패키지 | |
US10559734B2 (en) | Light emitting device package and light unit including the same | |
WO2015194804A1 (ko) | 발광 소자 및 이를 포함하는 발광소자 패키지 | |
EP2355193B1 (en) | Light emitting diode and package having the same | |
WO2016089052A1 (ko) | 발광 모듈 | |
WO2016153218A1 (ko) | 발광 소자, 이를 포함하는 발광 소자 패키지 및 이 패키지를 포함하는 조명 장치 | |
WO2016153213A1 (ko) | 발광 소자 패키지 및 조명 장치 | |
WO2019221431A1 (ko) | 조명 모듈 및 이를 구비한 조명 장치 | |
WO2016208957A1 (ko) | 광학 렌즈, 발광 소자 및 이를 구비한 발광 모듈 | |
WO2017014512A1 (ko) | 발광 소자 | |
WO2015190722A1 (ko) | 발광 소자 및 조명 장치 | |
WO2013183901A1 (ko) | 발광소자, 발광소자 패키지 및 라이트 유닛 | |
WO2016153214A1 (ko) | 발광 소자 및 발광 소자 패키지 | |
WO2013162337A1 (en) | Light emitting device and light emitting device package | |
WO2015147518A1 (ko) | 렌즈, 이를 포함하는 발광소자 모듈 | |
WO2017014580A1 (ko) | 발광 소자 패키지 | |
WO2014010816A1 (en) | Light emitting device, and method for fabricating the same | |
WO2013172606A1 (ko) | 발광소자, 발광소자 페키지 및 라이트 유닛 | |
WO2016108437A1 (ko) | 발광 소자 및 이를 포함하는 발광 소자 어레이 | |
WO2017034346A1 (ko) | 발광소자 및 이를 포함하는 발광소자 패키지 | |
WO2013183878A1 (ko) | 발광소자, 발광소자 패키지 및 라이트 유닛 | |
WO2017010851A1 (ko) | 발광 소자 패키지 | |
WO2017003095A1 (ko) | 발광소자 패키지 이를 포함하는 발광소자 모듈 | |
WO2014021651A1 (ko) | 발광 소자 | |
WO2014054891A1 (ko) | 발광소자 및 발광소자 패키지 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201480018475.1 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 14773611 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2016504260 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 14779896 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2014773611 Country of ref document: EP |