CN203147408U - Multi-angle luminous LED light source module and application thereof - Google Patents
Multi-angle luminous LED light source module and application thereof Download PDFInfo
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- CN203147408U CN203147408U CN2013201375180U CN201320137518U CN203147408U CN 203147408 U CN203147408 U CN 203147408U CN 2013201375180 U CN2013201375180 U CN 2013201375180U CN 201320137518 U CN201320137518 U CN 201320137518U CN 203147408 U CN203147408 U CN 203147408U
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Abstract
The utility model relates to a multi-angle luminous LED light source module and application of the multi-angle luminous LED light source module. The multi-angle luminous LED light source module comprises a three-dimensional metal matrix printed circuit board and LED lamp beads, wherein the three-dimensional metal matrix printed circuit board comprises a central plate and more than two side plates, the side plates are arranged in the circumferential direction of the central plate, the upper end of each side plate can be integrally connected with the edge of the central plate in a bending adjustment mode, copper layer circuits which are electrically connected with one another, and welding feet which can carry out electric conduction and/or heat conduction are arranged on the surfaces of the outer sides of the side plates, and the LED lamp beads are welded on the welding feet. The side plates, in an inclined state, of the three-dimensional metal matrix printed circuit board enable the LED lamp beads to outwards incline, the luminous angle of each LED lamp bead is large, and due to the fact that the side plates are connected with the central plate through first connecting portions which are provided with first grooves, the inclined state of each LED lamp bead can be conveniently adjusted, adjustment of the luminous angle of the multi-angle luminous LED light source module is achieved, operation is quite simple and convenient, use is flexible, and the range of application is wide.
Description
[technical field]
The utility model belongs to the light source module technical field, especially relates to a kind of multi-angle emitting led light source module and application thereof.
[background technology]
The led light source module has obtained application more and more widely at the numerous areas such as lighting device of backlight liquid crystal display unit, for example boat lamp.
The LED-backlit unit comprises that straight-down negative and side are illuminated, because the direct-light type LED backlight unit does not have the restriction of LGP, therefore obtains gradually using more widely.Existing direct-light type LED backlight unit generally includes: blooming piece, diffuser plate, led light source module and backboard, backboard and diffuser plate surround backlight cavities, the led light source module is installed in the backlight cavities, passes diffuser plate after being mixed in backlight cavities by the light of LED emission and blooming piece provides liquid crystal panel required backlight.The led light source module that uses in the above-mentioned direct-light type LED backlight unit comprises planar printed circuit board and the LED lamp pearl of being carried by this printed circuit board (PCB).Wherein, because all LED lamp pearls arrange that at grade the lighting angle of every LED lamp pearl is limited, therefore, for avoiding the dark space occurring between the LED lamp pearl, need to use the LED lamp pearl of a greater number, cause the cost of direct-light type LED backlight unit to increase.
In addition, as the application example of led light source module in the LED lamp, China utility application CN201020553945.3 discloses a kind of LED boat lamp, and its employed led light source module comprises planar printed circuit board and the LED lamp pearl of being carried by this printed circuit board (PCB) equally.Therefore, for satisfying the requirement to the illumination of boat lamp wide-angle, in the LED boat lamp, need to use the LED lamp pearl of quite a lot of quantity equally, cause the increase of LED boat lamp cost.
Therefore, be necessary to provide a kind of and can under the condition of using lesser amt LED lamp pearl, realize the luminous led light source module of wide-angle, and the direct-light type LED backlight unit and the LED lamp that are constituted by this led light source module.
[utility model content]
In order to solve the above-mentioned technical problem that exists in the prior art, the utility model provides that a kind of lighting angle is big, cost of manufacture is low, and lighting angle can be regulated, simple, convenient, the multi-angle emitting led light source module of use flexibly, scope is wide and direct-light type LED backlight unit and the LED lamp that is constituted by this led light source module.
The technical scheme that the prior art problem that solves the utility model adopts is:
A kind of multi-angle emitting led light source module, include 3-dimensional metal base printed circuit board (11) and LED lamp pearl (12), described 3-dimensional metal base printed circuit board (11) comprises that central plate (111) and two are with epipleural (112), described central plate (111) is circumferentially with described side plate (112), flexible adjusting ground, the upper end of every block of described side plate (112) is connected one with the rim of described central plate (111), the outer surface of every block of described side plate is provided with the copper layer line road (114) that is electrically connected to each other and can conducts electricity and/or the leg (115) of heat conduction, and described LED lamp pearl (12) is welded on the described leg (114).
Further, the angle ɑ that forms between described central plate (111) plane, place and side plate (112) plane, place is 30 °～70 °.
Further, the angle ɑ that forms between described central plate (111) plane, place and side plate (112) plane, place is 40 °～60 °.
Further, described central plate (111) is regular polygon, and its every rim all is connected one by first connecting portion (113) with the upper end of described side plate (112).
Further, the inboard of described first connecting portion (113) is provided with and is convenient to crooked first groove of regulating (1131).
Further, the lower end of every block of described side plate (113) is connected with the installation base plate (116) that is flexible to level by second connecting portion (117), and described installation base plate (116) is provided with screw and passes the screw hole of tightening (1161).
Further, the inboard of described second connecting portion (117) is provided with and is convenient to crooked second groove of regulating (1171).
Further, the upper surface of described central plate (111) also is formed with and can conducts electricity and/or the leg of heat conduction and be welded with LED lamp pearl at this leg.
A kind of direct-light type LED backlight unit, include multi-angle emitting led light source module described in the utility model (1), backboard (2), diffuser plate (3) and blooming piece (4), described backboard (2) limits a backlight cavities (21), the bottom of described backlight cavities (21) is provided with two the above multi-angle emitting led light source modules (1), and described diffuser plate (3) and blooming piece (4) are located at the opening part of described backboard (2) top from lower to upper successively.
A kind of LED lamp, include multi-angle emitting led light source module described in the utility model (1), lamp body (5), lampshade (6), lamp holder (7), base portion (8) and driving power (9), be provided with base portion (8) and driving power (9) in the described lamp body (5), described multi-angle emitting led light source module (1) is installed in the upper end of described base portion (8) and electrically connects with described driving power (9), described lampshade (6) and lamp holder (7) are located at the two ends up and down of described lamp body (5) respectively, and described lamp holder (7) electrically connects with described driving power (9).
The beneficial effects of the utility model are as follows:
1, can under the condition of using less LED lamp pearl, make multi-angle emitting led light source module have bigger lighting angle, reduce the usage quantity of LED lamp pearl, reduce the cost of led light source module.
2, the lighting angle of multi-angle emitting led light source module can be regulated, be suitable for different LED back light unit and dissimilar LED boat lamp to the different demands of led light source module lighting angle, the scope of application and the use that have improved multi-angle emitting led light source module are flexible, and operation is very simple, convenient.
3, in the direct-light type LED backlight unit, use this multi-angle emitting led light source module, can reduce the usage quantity of LED lamp pearl, reduce cost, simultaneously also by increasing intensity of illumination and the uniformity that light mixing distance has improved the LED-backlit unit, and good heat dissipation effect, stable performance, long service life.
, in the LED lamp, use this multi-angle emitting led light source module, can reduce the usage quantity of LED lamp pearl, reduce cost, and good heat dissipation effect stable performance, long service life.
[description of drawings]
Fig. 1 is the cross-sectional view of a kind of multi-angle emitting led light source module embodiment described in the utility model;
Fig. 2 is the structural representation of 3-dimensional metal base printed circuit board among a kind of multi-angle emitting led light source module embodiment described in the utility model;
Fig. 3 is the structural representation of having used the direct-light type LED backlight unit of a kind of multi-angle emitting led light source module described in the utility model;
Fig. 4 is the structural representation of having used the LED boat lamp of a kind of multi-angle emitting led light source module described in the utility model.
[specific embodiment]
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Multi-angle emitting led light source module embodiment
As shown in Fig. 1 and Fig. 2, the described a kind of multi-angle emitting led light source module of present embodiment, include 3-dimensional metal base printed circuit board 11 and LED lamp pearl 12, described 3-dimensional metal base printed circuit board 11 comprises that central plate 111 and two are with epipleural 112, described central plate 111 is circumferentially with side plate 112, flexible adjusting ground, the upper end of every block of side plate 112 is connected one with the rim of central plate 111, concrete structure is: described central plate 111 is square, and its every rim all is connected one by first connecting portion 113 with the upper end of side plate 112; The inboard of described first connecting portion 113 is provided with is convenient to crooked first groove of regulating 1131, and described first groove 1131 is the groove of suitable shapes such as U-lag, V-shaped groove or arc inverted draw cut; The angle ɑ that forms between described central plate plane, 11 place and the plane, side plate 12 place is 30 °～70 °, is preferably 40 °～60 °, if angle ɑ greater than 70 °, then can not take full advantage of the light that LED lamp pearl sends; If angle ɑ less than 30 °, then can not effectively reduce the usage quantity of LED lamp pearl.The outer surface of every block of side plate 112 is provided with the copper layer line road 114 that is electrically connected to each other and can conducts electricity and/or the leg 115 of heat conduction, and described LED lamp pearl 12 is welded on the leg 115.
In addition, the lower end of described side plate 113 is connected with the installation base plate 116 that is flexible to level by second connecting portion 117, described installation base plate 116 is provided with screw and passes the screw hole of tightening 1161, and the inboard of second connecting portion 117 is provided with and is convenient to crooked second groove of regulating 1171, and described second groove 1171 is the groove of suitable shapes such as U-lag, V-shaped groove or arc inverted draw cut.
Like this, the side plate 112 of led light source module described in the utility model by the heeling condition of 3-dimensional metal base printed circuit board 11 makes outside the LED lamp pearl 12 on it is tilted to, has bigger lighting angle, and side plate 12 is connected with central plate 111 by first connecting portion 113 that is provided with first groove 1131, can adjust the heeling condition of LED lamp pearl 12 easily, be to form angle ɑ between central plate plane, 111 place and the plane, side plate 112 place to adjust, and then realize the lighting angle of led light source module is adjusted, operate very simple, convenient, use flexibly, applied widely.
Certainly, described central plate 111 also can just mostly be shape (as regular hexagon or octagon) or for circular, also be connected with described side plate 112 on the part rim for other.
As the utility model one preferred version, the upper surface of described central plate 111 also is formed with and can conducts electricity and/or the leg of heat conduction and be welded with LED lamp pearl at this leg, can increase the luminous flux in this led light source module dead ahead.
Multi-angle emitting led light source module described in the utility model can be applicable to various needs and arranges on the electronic product of light source.Below be two example application, be specially:
The direct-light type LED backlight unit
As shown in Figure 3, the utility model provides a kind of direct-light type LED backlight unit, include multi-angle emitting led light source module 1 described in the utility model, backboard 2, diffuser plate 3 and blooming piece 4, described backboard 2 limits a backlight cavities 21, the bottom of described backlight cavities 21 is provided with two above multi-angle emitting led light source modules 1, and pass the screw hole of installing on the base plate 116 1161 by the screw (not shown) multi-angle emitting led light source module 1 is fixed, described diffuser plate 3 and blooming piece 4 are located at the opening part of backboard 2 tops from lower to upper successively.During work, pass diffuser plate 3 and blooming piece 4 after being mixed in backlight cavities 21 by the light of the emission of the LED lamp pearl 12 in the different LED light source module 1, provide liquid crystal panel required backlight.Like this, because the LED lamp pearl 2 of multi-angle emitting led light source module 1 is the heeling condition setting, has bigger lighting angle, therefore can reduce LED-backlit unit needed LED lamp pearl 2 quantity, also can improve intensity of illumination and the uniformity by increasing light mixing distance simultaneously, and fixedly connected between backlight cavities 21 bottoms of the installation base plate 116 of 3-dimensional metal base printed circuit board and backboard 2 and have a bigger contact area, the heat that makes multi-angle emitting led light source module 1 produce can conduct to backboard 2 fast by installation base plate 116 and dispel the heat, good heat dissipation effect, the stable performance of direct-light type LED backlight unit, long service life.
The LED lamp
As shown in Figure 4, the utility model provides a kind of LED boat lamp as LED lamp example, include multi-angle emitting led light source module 1 described in the utility model, lamp body 5, lampshade 6, lamp holder 7, base portion 8 and driving power 9, be provided with base portion 8 and driving power 9 in the described lamp body 5, described multi-angle emitting led light source module 1 passes the screw hole of installing on the base plate 116 1161 by the screw (not shown) and is installed in the upper end of base portion 8 and electrically connects with driving power 9, described lampshade 6 and lamp holder 7 are located at the two ends up and down of lamp body 5 respectively, and lamp holder 7 electrically connects with driving power 9.Lamp holder 7 also can be installed on the standard thread formula lamp socket for the screw-type lamp holder of standard.Like this, the installation base plate 116 with big heat transfer area closely contacts with base portion 8, and the heat that multi-angle emitting led light source module 1 is produced can conduct to lamp body 5 fast by base portion 8 and dispel the heat good heat dissipation effect, stable performance, long service life; And LED lamp pearl 12 is arranged on central plate 111 and the side plate 112 that tilts on, therefore can use the LED lamp pearl 12 of lesser amt and realize evenly throwing light on than wide-angle of LED boat lamp, reduced the cost of LED boat lamp.
Above content be in conjunction with concrete optimal technical scheme to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. multi-angle emitting led light source module, it is characterized in that: include 3-dimensional metal base printed circuit board (11) and LED lamp pearl (12), described 3-dimensional metal base printed circuit board (11) comprises that central plate (111) and two are with epipleural (112), described central plate (111) is circumferentially with described side plate (112), flexible adjusting ground, the upper end of every block of described side plate (112) is connected one with the rim of described central plate (111), the outer surface of every block of described side plate (112) is provided with the copper layer line road (114) that is electrically connected to each other and can conducts electricity and/or the leg (115) of heat conduction, and described LED lamp pearl (12) is welded on the described leg (114).
2. multi-angle emitting led light source module according to claim 1, it is characterized in that: the angle ɑ that forms between described central plate (111) plane, place and side plate (112) plane, place is 30 °～70 °.
3. multi-angle emitting led light source module according to claim 2, it is characterized in that: the angle ɑ that forms between described central plate (111) plane, place and side plate (112) plane, place is 40 °～60 °.
4. multi-angle emitting led light source module according to claim 3, it is characterized in that: described central plate (111) is regular polygon, and its every rim all is connected one by first connecting portion (113) with the upper end of described side plate (112).
5. multi-angle emitting led light source module according to claim 4 is characterized in that: the inboard of described first connecting portion (113) is provided with is convenient to crooked first groove of regulating (1131).
6. multi-angle emitting led light source module according to claim 1, it is characterized in that: the lower end of every block of described side plate (113) is connected with the installation base plate (116) that is flexible to level by second connecting portion (117), and described installation base plate (116) is provided with screw and passes the screw hole of tightening (1161).
7. multi-angle emitting led light source module according to claim 6 is characterized in that: the inboard of described second connecting portion (117) is provided with is convenient to crooked second groove of regulating (1171).
8. multi-angle emitting led light source module according to claim 1 is characterized in that: the upper surface of described central plate (111) also is formed with and can conducts electricity and/or the leg of heat conduction and be welded with LED lamp pearl at this leg.
9. direct-light type LED backlight unit, it is characterized in that: include any one described multi-angle emitting led light source module (1), backboard (2), diffuser plate (3) and blooming piece (4) in the aforesaid right requirement 1 to 8, described backboard (2) limits a backlight cavities (21), the bottom of described backlight cavities (21) is provided with two the above multi-angle emitting led light source modules (1), and described diffuser plate (3) and blooming piece (4) are located at the opening part of described backboard (2) top from lower to upper successively.
10. LED lamp, it is characterized in that: include any one described multi-angle emitting led light source module (1) in the aforesaid right requirement 1 to 8, lamp body (5), lampshade (6), lamp holder (7), base portion (8) and driving power (9), be provided with base portion (8) and driving power (9) in the described lamp body (5), described multi-angle emitting led light source module (1) is installed in the upper end of described base portion (8) and electrically connects with described driving power (9), described lampshade (6) and lamp holder (7) are located at the two ends up and down of described lamp body (5) respectively, and described lamp holder (7) electrically connects with described driving power (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201375180U CN203147408U (en) | 2013-03-25 | 2013-03-25 | Multi-angle luminous LED light source module and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201375180U CN203147408U (en) | 2013-03-25 | 2013-03-25 | Multi-angle luminous LED light source module and application thereof |
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| CN203147408U true CN203147408U (en) | 2013-08-21 |
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| CN2013201375180U Expired - Lifetime CN203147408U (en) | 2013-03-25 | 2013-03-25 | Multi-angle luminous LED light source module and application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712127A (en) * | 2013-12-23 | 2014-04-09 | 京东方科技集团股份有限公司 | Light source assembly, backlight module and display device |
| WO2017076064A1 (en) * | 2015-11-05 | 2017-05-11 | 漳州立达信光电子科技有限公司 | Heat-dissipation lamp cup |
-
2013
- 2013-03-25 CN CN2013201375180U patent/CN203147408U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712127A (en) * | 2013-12-23 | 2014-04-09 | 京东方科技集团股份有限公司 | Light source assembly, backlight module and display device |
| CN103712127B (en) * | 2013-12-23 | 2016-05-11 | 京东方科技集团股份有限公司 | A kind of light source assembly, backlight module and display unit |
| WO2017076064A1 (en) * | 2015-11-05 | 2017-05-11 | 漳州立达信光电子科技有限公司 | Heat-dissipation lamp cup |
| US20170268761A1 (en) * | 2015-11-05 | 2017-09-21 | Xiamen Eco Lighting Co. Ltd. | Heat dissipation light ring |
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| GR01 | Patent grant |