WO2022124095A1 - 表示モジュールおよび製造方法、並びに表示装置 - Google Patents
表示モジュールおよび製造方法、並びに表示装置 Download PDFInfo
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- WO2022124095A1 WO2022124095A1 PCT/JP2021/043317 JP2021043317W WO2022124095A1 WO 2022124095 A1 WO2022124095 A1 WO 2022124095A1 JP 2021043317 W JP2021043317 W JP 2021043317W WO 2022124095 A1 WO2022124095 A1 WO 2022124095A1
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- display
- display module
- display unit
- film
- polarizing film
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Classifications
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- 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
- 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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
Definitions
- the present technology relates to a display module, a manufacturing method, and a display device, and particularly to a display module, a manufacturing method, and a display device capable of improving display quality.
- an LED tiling display in which a plurality of panel-shaped display modules in which a plurality of LED (Light Emitting Diode) elements are arranged and mounted on an electronic board are arranged.
- LED Light Emitting Diode
- an LED tiling display it is possible to realize a large display by arranging a large number of display modules.
- This technology was made in view of such a situation, and makes it possible to improve the display quality.
- the display module on the first side surface of the present technology has a display unit and a film arranged on the display unit to reduce light incident from the outside and reflected by the display unit.
- the display module is provided with a display unit and a film arranged on the display unit to reduce light incident from the outside and reflected by the display unit, and the display is provided.
- the unit is provided with an electronic substrate and a plurality of LED elements arranged and arranged at predetermined intervals on the film-side surface of the electronic substrate. Further, the distance from the LED element located closest to the end of the display unit to the end of the display unit is set to be half the distance or less of the predetermined interval.
- the display device on the second side of the present technology is a display device having a plurality of display modules arranged in a tile shape, and the display modules are arranged on the display unit and the display unit, and are incident from the outside.
- the display unit has a film for reducing the light reflected by the display unit, and the display unit includes an electronic substrate and a plurality of display units arranged and arranged at predetermined intervals on the surface of the electronic substrate on the film side. The distance from the LED element having the LED element and located closest to the end of the display unit to the end of the display unit is not more than half the distance of the predetermined interval.
- the display module is arranged on the display unit and the display unit, and is incident from the outside to display the display.
- a film for reducing the light reflected by the unit is provided, and the display unit includes an electronic substrate and a plurality of LED elements arranged and arranged at predetermined intervals on the surface of the electronic substrate on the film side. Is provided. Further, the distance from the LED element located closest to the end of the display unit to the end of the display unit is set to be half the distance or less of the predetermined interval.
- the manufacturing method of the third aspect of the present technology is a manufacturing method of a display module having a display unit and a film for reducing light incident from the outside and reflected by the display unit, and is a method of manufacturing a display module on an electronic substrate.
- arranging a plurality of LED elements side by side at predetermined intervals the distance from the LED element closest to the end of the display unit to the end of the display unit is less than half the distance of the predetermined interval.
- a plurality of LED elements are mounted on an electronic substrate when manufacturing a display module having a display unit and a film for reducing light incident from the outside and reflected by the display unit.
- the distance from the LED element closest to the end of the display unit to the end of the display unit is less than half the distance of the predetermined interval.
- the display unit having the plurality of LED elements is formed, and the film is arranged on the surface of the display unit on the side where the LED elements are arranged.
- the present technology relates to a display module using an LED element as a light source and an LED tyling display configured by arranging a plurality of display modules.
- the LED tiling display is a display device obtained by arranging an arbitrary number of display modules in a tile shape.
- the display module constituting such an LED tying display has a panel shape (flat plate shape) obtained by, for example, arranging and mounting a plurality of LED elements serving as a light source for displaying an image on an electronic substrate. It is a display device.
- a display module external light incident on the display module from the outside is reflected by the metal material of the LED element part or reflected by a part other than the LED element inside the display module. Therefore, in a general display module, the display quality of the display image, that is, the bright contrast as the display element is lowered due to the reflection of the external light generated in the LED element portion or the like.
- a circular polarizing film may be provided in order to reduce the reflection of external light on the display surface.
- a circularly polarizing film a film in which a linear polarizing film (hereinafter, simply referred to as a polarizing film) and a 1/4 wavelength film are generally used is used.
- a polarizing film a film obtained by uniaxially stretching a hydrophilic polymer film on which iodine, a dichroic dye, or the like is adsorbed is used.
- a polyvinyl alcohol-based film in which iodine is adsorbed is preferably used as a polarizing film.
- the display module that constitutes the LED tiling display has the entire surface as the display surface, so there is no frame (bezel) at the end of the display module. Therefore, the display quality up to the peripheral edge of the display surface is important.
- the display module MJ11-1 and the display module MJ11-2 are arranged at predetermined intervals.
- the display module MJ11-1 and the display module MJ11-2 are also simply referred to as the display module MJ11.
- a plurality of LED elements including the LED element EL11-1 to the LED element EL11-3 are arranged vertically and horizontally at equal intervals in the figure.
- a plurality of LED elements including the LED element EL11-4 and the LED element EL11-5 are arranged vertically and horizontally at equal intervals in the drawing.
- the LED element EL11 when it is not necessary to distinguish the LED element provided in the display module MJ11 such as the LED element EL11-1 to the LED element EL11-5, it is also simply referred to as the LED element EL11.
- the distance between the LED elements EL11 adjacent to each other in the display module MJ11, that is, the arrangement pitch of the LED elements EL11 in the display module MJ11 is L11.
- the distance L12 between the outermost LED elements EL11 in the display modules MJ11 adjacent to each other is substantially the same as the arrangement pitch L11 of the LED element EL11. It is necessary to be.
- the LED element EL11-3 arranged at the position closest to the end of the display module MJ11-1 is the outermost LED element EL11 of the display module MJ11-1.
- the LED element EL11-4 arranged at the position closest to the end of the display module MJ11-2 is the outermost LED element EL11 of the display module MJ11-2. Further, the LED element EL11-4 is arranged at the position closest to the LED element EL11-3 among the LED elements EL11 provided in the display module MJ11-2.
- the distance between the LED element EL11-3 and the LED element EL11-4 is the distance L12 between the outermost LED element EL11 in the display module MJ11 adjacent to each other.
- a distance L12 will also be referred to as an arrangement pitch of the LED elements EL11 between the display modules MJ11.
- the distance L13 from the LED element EL11 on the outermost circumference of the display module MJ11 to the outermost shape of the display module MJ11, that is, the end portion of the display module MJ11 is set.
- the distance must be less than half (1/2) of the placement pitch L11. Further, considering the case where there is a distance between two adjacent display modules, it is conceivable that the distance L13 is less than half (1/2) of the arrangement pitch L11.
- the end of the display module MJ11-2 ( The distance to the outermost shape) is the distance L13.
- the arrangement pitch L11 of the LED element EL11 may be several hundred microns due to the high definition of the display image quality (image). Since the distance L13 from the LED element EL11 on the outermost circumference of the display module MJ11 to the outermost shape of the display module MJ11 is less than half of the arrangement pitch L11 of the LED element EL11, when the arrangement pitch L11 becomes smaller, the display module MJ11 The arrangement will be narrowed.
- the light of the LED element emitted inside the display module, that is, inside the display surface is guided to the peripheral portion, that is, the end portion of the circular polarizing film, and the end portion is guided to the peripheral portion, that is, the end portion.
- the light may be emitted and the image quality (quality) of the displayed image may be deteriorated.
- the thickness of the polarizing film constituting the circular polarizing film is set to 10 ⁇ m or less
- the material of the protective layer constituting the circular polarizing film is used as a specific material
- the end portion of the circular polarizing film is colored with a resin material.
- FIG. 2 is a diagram showing a configuration example of an embodiment of an image display system to which the present technology is applied.
- the image display system shown in FIG. 2 has a video server 11, a controller 12, and a display device 13.
- the video server 11 is composed of one or a plurality of external devices such as a personal computer and a recorder, and supplies a video signal of the content to be reproduced on the display device 13 to the controller 12, and controls the operation of the controller 12 as appropriate. Or something.
- the controller 12 performs predetermined signal processing on the video signal supplied from the video server 11, supplies the obtained video signal to the display device 13, and reproduces the content in response to a command from the video server 11. Performs playback control processing such as start and stop.
- the controller 12 performs a process of generating a plurality of divided video signals for displaying a part of an image (video) based on the video signal of the content as signal processing, and the plurality of divided video obtained.
- the signal is supplied to the display device 13.
- the divided video signal is generated so that the image based on the video signal of the content is displayed.
- the divided video signal may be generated by the video server 11.
- the display device 13 is a panel-shaped (flat plate-shaped) LED tiling display that displays an image using an LED element as a light source, and has N display units 21-1 to display units 21-N.
- the display unit 21-1 to the display unit 21-N are composed of a plurality of display modules corresponding to the display module MJ11 described above, and display an image on the display module based on the divided video signal supplied from the controller 12.
- the display unit 21 is also simply referred to as the display unit 21.
- each display unit 21 functions as one display device, and the N display units 21 are arranged and connected in a tile shape to form the display device 13.
- FIG. 2 an example in which one controller 12 is provided for the display device 13 has been described.
- the present invention is not limited to this, and an arbitrary plurality of controllers 12 may be provided for the display device 13, and one or a plurality of display units 21 different from each other may be connected to each of the controllers 12.
- the video server 11 supplies a divided video signal corresponding to each of the plurality of controllers 12 to display a part of the image based on the video signal of the content. Then, each controller 12 generates a divided video signal to be supplied to the display unit 21 connected to the controller 12 based on the divided video signal supplied from the video server 11.
- controller 12 and the display unit 21 shown in FIG. 2 are configured as shown in FIGS. 3 and 4, for example.
- FIG. 3 is a diagram showing a configuration example of the controller 12.
- the controller 12 has a network I / F (Interface) 51, an MPU (Micro Processing Unit) 52, a signal input I / F 53, a signal processing circuit 54, a DRAM (Dynamic Random Access Memory) 55, and a signal distribution circuit 56. It also has a signal output I / F57-1 to a signal output I / F57-N.
- I / F Interface
- MPU Micro Processing Unit
- DRAM Dynamic Random Access Memory
- the controller 12 is connected to a personal computer (PC (Personal Computer)) as a video server 11 via a network such as a LAN (Local Area Network), so that the operation of the controller 12 can be controlled by the PC or the like. It has been done.
- PC Personal Computer
- LAN Local Area Network
- the network I / F 51 supplies various commands received from the PC or the like to the MPU 52, or sends a response to the commands or the like supplied from the MPU 52 to the PC or the like.
- the MPU 52 controls the signal processing circuit 54 in response to a command supplied from the network I / F 51, causes the signal processing circuit 54 to execute signal processing in response to a command from a PC or the like, and responds to the command with the execution result. It is supplied to the network I / F 51 as.
- the MPU 52 instructs the signal processing circuit 54 to execute various signal processing such as generation of a divided video signal, or instructs the signal processing circuit 54 to execute playback control processing such as stopping playback of content.
- controller 12 is a video server 11 via a cable connected to an input terminal corresponding to standards such as HDMI (registered trademark) (High-Definition Multimedia Interface), DVI (Digital Visual Interface), and DP (DisplayPort). It is connected to a PC, recorder, etc.
- HDMI registered trademark
- DVI Digital Visual Interface
- DP DisplayPort
- the signal input I / F 53 supplies a video signal of the content input from a PC, a recorder, or the like via a cable, an input terminal, or the like to the signal processing circuit 54.
- the signal processing circuit 54 performs various signal processing on the video signal supplied from the signal input I / F 53 according to the control of the MPU 52. At this time, the signal processing circuit 54 appropriately supplies data necessary for signal processing to the DRAM 55 and holds it, or reads out the data held in the DRAM 55 and uses it for signal processing. Further, for example, the signal processing circuit 54 appropriately supplies the signal obtained by the signal processing to the signal distribution circuit 56.
- N divided video signals corresponding to each of N display units 21 are generated. Further, in the signal processing circuit 54, signal processing related to the entire content or the entire display device 13 is performed, for example, color tone correction for the entire image based on the video signal.
- the signal distribution circuit 56 transmits the divided video signals corresponding to the N display units 21 supplied from the signal processing circuit 54 to the signal output I / F57-1 to the signal output I / F57- corresponding to those display units 21. Distribute (output) to N.
- the signal output I / F57-1 to the signal output I / F57-N are connected to the display unit 21-1 to the display unit 21-N via a cable or the like.
- the signal output I / F57-1 to the signal output I / F57-N supply the divided video signal supplied from the signal distribution circuit 56 to the connected display units 21-1 to 21-N.
- FIG. 4 is a diagram showing a configuration example of the display unit 21.
- the display unit 21 has a driver control circuit 81 and a display module 82-1 to a display module 82-M.
- the driver control circuit 81 controls the display modules 82-1 to 82-M by receiving the supply of the divided video signal from the signal output I / F 57 of the controller 12, and the display modules 82-1 to 82- Have M display an image based on the divided video signal.
- the driver control circuit 81 has a signal input I / F91, a signal processing circuit 92, a DRAM 93, and a signal output I / F94-1 to a signal output I / F94-M.
- the signal input I / F 91 supplies the divided video signal supplied from the signal output I / F 57 of the controller 12 to the signal processing circuit 92.
- the signal processing circuit 92 performs various signal processing individually for each display unit 21 on the divided video signal supplied from the signal input I / F 91. At this time, the signal processing circuit 92 appropriately supplies and holds the data necessary for signal processing to the DRAM 93, or reads out the data held in the DRAM 93 and uses it for signal processing.
- the signal processing circuit 92 drives the display modules 82-1 to 82-M based on the divided video signal to generate a drive signal for displaying an image based on the divided video signal, and the signal output I /. It is supplied to F94-1 to the signal output I / F94-M.
- the display module 82-1 to the display module 82-M are connected to the signal output I / F94-1 to the signal output I / F94-M.
- the signal output I / F94-1 to the signal output I / F94-M supply the drive signal supplied from the signal processing circuit 92 to the connected display modules 82-1 to 82-M.
- the display module 82-1 to the display module 82-M display an image corresponding to the drive signal by emitting light based on the drive signal supplied from the signal output I / F94-1 to the signal output I / F94-M. do.
- the display module 82-1 to the display module 82-M display an image based on the divided video signal, that is, a part of the image of the content.
- the display module 82-1 has a plurality of driver ICs (Integrated Circuits) 111-1 to driver ICs 111-K, and LED elements 112-1-1 to LED elements 112-3-K.
- driver ICs Integrated Circuits
- the driver IC and the LED element corresponding to the driver IC 111-K and the LED elements 112-1-1 to the LED element 112-3-K are provided.
- the display module 82 is also simply referred to as the display module 82.
- driver IC 111-1 when it is not necessary to distinguish between the driver IC 111-1 and the driver IC 111-K, they are also simply referred to as the driver IC 111.
- LED element 112-1-1 when it is not necessary to particularly distinguish the LED element 112-1-1 to the LED element 112-3-K, they are also simply referred to as the LED element 112.
- the display device 13 is obtained by arranging a plurality of display modules 82 in a tile shape.
- the display device 13 has a plurality of panel-shaped (flat plate-shaped) display modules 82 having a plurality of LED elements 112 serving as a light source for displaying an image.
- the display unit 21 called a cabinet, which is obtained by arranging a plurality of display modules 82 in a tile shape, has a minimum unit configuration that functions as a display device.
- one display unit 21 is composed of M display modules 82.
- a plurality of such display units 21 are arranged and connected in a tile shape to form one display device 13.
- the display device 13 is composed of N display units 21. Therefore, in this example, one surface (plane) composed of the surfaces of (M ⁇ N) display modules 82 is the display surface of the display device 13. Therefore, no frame is provided on the outer peripheral portion (end portion) of the display module 82 or the display unit 21.
- the controller 12 independently controls each of the plurality of display units 21 constituting the display device 13 and causes the LED element 112 provided in each display module 82 to emit light, thereby displaying an image on the entire display surface of the display device 13. Let me.
- each of the plurality of display modules 82 constituting the display device 13 may be the same, or there may be display modules 82 having different shapes and sizes from each other.
- the sizes and shapes of the plurality of display units 21 constituting the display device 13 may be the same, or there may be display units 21 having different shapes and sizes from each other.
- the number of display modules 82 constituting the display device 13 and the display unit 21 and the number of display units 21 constituting the display device 13 can be arbitrary.
- the display module 82 has, for example, a panel-shaped (flat plate-shaped) display unit 151 and a circular polarizing film 152 arranged on the surface of the display unit 151, as shown in FIG.
- FIG. 6 shows a cross-sectional view of the display module 82 as viewed from a direction parallel to the surface (surface) of the display module 82 which is the display surface of the image.
- FIG. 6 shows a cross-sectional view of the display module 82 when viewed from a direction perpendicular to the normal of the display surface of the display module 82.
- the display unit 151 includes an electronic substrate 161 and a flattening layer 162 formed on the surface of the electronic substrate 161 on the circular polarizing film 152 side.
- a plurality of LED elements including the LED elements 171-1 to 171-3 are arranged and mounted on the surface of the electronic substrate 161 on the circular polarizing film 152 side at predetermined intervals.
- the LED elements such as these LED elements 171-1 to 171-3 correspond to the LED element 112 shown in FIG.
- the LED element 171 is also simply referred to as the LED element 171.
- the periphery of the LED element 171 mounted on the electronic substrate 161, that is, the mounting surface of the LED element 171 is flattened by the resin material 172, and the flattening layer 162 is formed.
- the flattening layer 162 provided between the electronic substrate 161 and the circular polarizing film 152 each LED element 171 is covered with the resin material 172 forming the flattening layer 162.
- the surface of the display unit 151 on the circularly polarizing film 152 side becomes flat, and the circularly polarizing film 152 is arranged on the display unit 151 without causing voids, and the adhesion is achieved. Can be improved.
- a plurality of LED elements 171 are arranged at predetermined intervals in the lateral direction and the depth direction, that is, at equal intervals at a predetermined arrangement pitch L21 in the drawing.
- This arrangement pitch L21 corresponds to the arrangement pitch L11 in FIG.
- the outermost LED element 171 in the display module 82 that is, the LED element 171 such as the LED element 171-1 arranged at the position closest to the end (side surface) of the display unit 151, the other is adjacent to the display module 82.
- the distance to the outermost LED element 171 in the display module 82 is substantially the same as the arrangement pitch L21.
- the distance L22 from the LED element 171 such as the LED element 171-1 arranged at the position closest to the end of the display unit 151 to the end of the display unit 151 (the side surface of the display module 82) is the arrangement pitch L21. It is less than half the distance. This distance L22 corresponds to the distance L13 in FIG. The distance L22 may be less than or equal to half the distance of the arrangement pitch L21.
- the outer shape of the display unit 151 that is, the shape and size, and the outer shape (shape and size) of the circular polarizing film 152 are substantially the same (omitted). (Equal), that is, they have substantially the same shape and the same dimensions, and the display unit 151 and the circular polarizing film 152 overlap each other.
- driver IC 111 may be mounted on the electronic board 161 or may be formed by stacking in the electronic board 161, or may be provided outside the electronic board 161 and electrically with the LED element 171. It may be connected.
- the circularly polarizing film 152 is a film for reducing external light incident on the display module 82 from the outside and reflected on the surface of the display module 82 or inside the display module 82.
- a 1/4 wavelength film or a protective layer. For example, a 1/4 wavelength film or a protective layer. , And a polarizing film.
- the circular polarizing film 152 has a 1/4 wavelength film 181, a protective layer 182-1, a polarizing film 183, a protective layer 182-2, and a low reflection layer 184.
- the 1/4 wavelength film 181 is a film that functions as a 1/4 wave plate (1 / 4 ⁇ plate), and is adhered to the surface of the flattening layer 162 by an adhesive layer 185-1 made of an adhesive.
- a protective layer 182-1 is provided via an adhesive layer 185-2 similar to the adhesive layer 185-1.
- a polarizing film 183 is adhered to the surface of the protective layer 182-1 opposite to the 1/4 wavelength film 181 side by an adhesive layer 185-3 similar to the adhesive layer 185-1.
- the polarizing film 183 is a film that functions as a polarizing plate (straight polarizing plate).
- a protective layer 182-2 is provided via an adhesive layer 185-4 similar to the adhesive layer 185-1.
- the low reflection layer 184 is provided on the surface of the protective layer 182-2 opposite to the polarizing film 183 side, that is, the surface of the display module 82 opposite to the display unit 151 side.
- the surface of the low reflection layer 184 becomes the display surface of the image by the display module 82.
- the adhesive layer 185-1 and the adhesive layer 185-4 it is also simply referred to as an adhesive layer 185, and when it is not necessary to particularly distinguish between the protective layer 182-1 and the protective layer 182-2. , Also referred to simply as the protective layer 182.
- each adhesive layer 185 may be formed of the same material or may be formed of different materials.
- each protective layer 182 may be formed of the same material or may be made of different materials.
- the present invention is not limited to this, and the adhesive made of an adhesive is used. It may be adhered by the layer.
- the circular polarizing film 152 functions as a circular polarizing plate by providing the 1/4 wavelength film 181 and the polarizing film 183 side by side.
- the unpolarized external light becomes linearly polarized when it passes through the polarizing film 183, and further becomes circularly polarized light in a predetermined rotation direction such as clockwise rotation when it passes through the 1/4 wavelength film 181.
- the external light reflected by the LED element 171 and the electronic substrate 161 changes from circularly polarized light to linearly polarized light when passing through the 1/4 wavelength film 181.
- the reflected light that is reflected inside the display module 82 such as the LED element 171 and the electronic substrate 161 and has passed through the 1/4 wavelength film 181 is shielded by the polarizing film 183.
- the reflected light from the inside of the display module 82 can be suppressed (reduced) and the bright contrast can be improved.
- the display module 82 will be described in more detail with reference to FIGS. 7 to 17.
- FIGS. 7 to 17 the parts corresponding to the case in FIG. 6 are designated by the same reference numerals, and the description thereof will be omitted as appropriate. Further, in FIGS. 7 to 17, the parts corresponding to each other are also designated by the same reference numerals, and the description thereof will be omitted as appropriate. Further, in FIGS. 7 to 17, in order to make the figure easier to see, reference numerals are omitted for some of the parts corresponding to the case in FIG.
- a 1/2 wavelength film or a 1/4 wavelength film laminated so that their optical axes are orthogonal to each other may be used as the circular polarizing film 152.
- polarizing film 183 a film obtained by uniaxially stretching a hydrophilic polymer film colored by adsorbing iodine or a bicolor dye can be used.
- a polyvinyl alcohol-based film adsorbed with iodine can be preferably used.
- the film may shrink depending on the temperature and humidity of the usage environment.
- the circular polarizing film 152 bonded with the same outer shape as the outer shape of the display unit 151 shrinks, and a part of the surface of the display unit 151 is formed. It will be exposed.
- the reflection of the external light is suppressed (reduced) by the circular polarizing film 152. Therefore, in the portion where the display unit 151 is not exposed, the reflection of external light can be suppressed, and a sufficiently high display quality, that is, a sufficiently high bright contrast can be obtained.
- the reflection of external light is not reduced in the exposed portion of the display unit 151, and the display quality of the image in that portion, that is, the bright contrast is deteriorated.
- the light is output from the LED element 171-1 located closest to the end (side surface) of the display unit 151 in a state where the surface of the display unit 151 is not exposed. It is assumed that a part of the light emitted from the circular polarizing film 152 is emitted from the end portion of the circular polarizing film 152.
- the angle ⁇ is the angle between the direction perpendicular to the surface of the circularly polarizing film 152, that is, the normal direction, and the direction in which the light emitted from the end portion of the circularly polarizing film 152 travels from the LED element 171-1. Then, the angle ⁇ becomes a large angle to some extent.
- the LED element 171-1 is output by the LED element 171-1 to the user who is viewing the image displayed on the display module 82 from the front direction of the display module 82 or a direction slightly oblique to the front, and is circularly polarized at an angle ⁇ . No light emitted from the edge of the film 152 is observed. Therefore, the image is presented to the user with sufficient display quality.
- the light was output from the LED element 171-1 located closest to the end of the display unit 151 with the end portion of the surface of the display unit 151 exposed. It is assumed that a part of the light emitted from the circular polarizing film 152 is emitted from the end portion of the circular polarizing film 152.
- the angle ⁇ is set. 'Is an angle smaller than the above-mentioned angle ⁇ .
- the contour portion of the displayed image that is, the contour portion of the display module 82 appears brightly to the user, and the contour portion of the image is displayed.
- the display quality deteriorates.
- the angle ⁇ ' is about 45 degrees when the circularly polarizing film 152 contracts by about 30 ⁇ m.
- the light emitted from the end portion of the circularly polarizing film 152 will be observed by the user who is looking at the display module 82 from a direction of 45 degrees with respect to the front surface of the display module 82.
- the display module 82 to which the present technique is applied has a configuration in which the thickness of the polarizing film 183 in FIG. 6 in the vertical direction is 10 ⁇ m or less. This is because the applicant has found that the moist heat shrinkage of the circularly polarizing film 152 can be more effectively suppressed by setting the thickness of the polarizing film 183 to 10 ⁇ m or less.
- the thickness of the polarizing film 183 in the vertical direction is not limited to 10 ⁇ m or less.
- the circularly polarizing film 152 by forming the circularly polarizing film 152 particularly by using the polarizing film 183 having a thickness of 10 ⁇ m or less, the shrinkage of the circularly polarizing film 152 due to the temperature and humidity of the usage environment is suppressed, and the display quality of the image, that is, the brightness is reduced. The contrast can be improved more effectively.
- the occurrence of reflection of external light in the exposed portion of the display unit 151 described with reference to FIG. 8 and the circle described with reference to FIG. It is possible to suppress the observation of light from the edge portion of the polarizing film 152.
- the protective layer 182-1 and the protective layer 182-2 of the display module 82 shown in FIG. 6 for example, triacetyl acetate (TAC (Tri-Acetyl Cellulose)), acrylic (PMMA (Poly Methyl Methacrylate)), cyclo Films such as olefin polymer (COP (Cyclo Olefin Polymer)) and polyethylene terephthalate (PET (Poly Ethylene Terephthalate)) can be used.
- TAC Tri-Acetyl Cellulose
- acrylic PMMA (Poly Methyl Methacrylate)
- cyclo Films such as olefin polymer (COP (Cyclo Olefin Polymer)) and polyethylene terephthalate (PET (Poly Ethylene Terephthalate)
- PET Poly Ethylene Terephthalate
- the applicant has found that the moist heat shrinkage of the circularly polarizing film 152 can be suppressed by using a film made of COP or PET as the protective layer 182.
- the protective layer 182 by forming the protective layer 182 by COP or PET, the shrinkage of the circular polarizing film 152 can be further suppressed and the display quality of the image can be improved.
- a polymer film having low water absorption that is, for example, having a water absorption rate of a predetermined value or less, such as COP and PET, may be used as the protective layer 182.
- the surface of the display module 82 that is, the surface of the circular polarizing film 152 may be subjected to a low reflection treatment.
- the low reflection layer 184 is provided on the surface of the circularly polarizing film 152, that is, on the surface of the circularly polarizing film 152 opposite to the display portion 151 side. ..
- the low reflection layer 184 reduces the reflection of external light incident from the outside at the low reflection layer 184 portion.
- the low reflection layer 184 may be provided by any method.
- the low reflection layer 184 is added to the surface (surface) on the side opposite to the display unit 151 by an existing coating method or thin film deposition method. You may do it.
- an antireflection film AR (Anti Reflection) film
- a low reflection film LR (Low Reflection) film
- a film or the like subjected to a low reflection treatment may be bonded to form a low reflection layer 184.
- a polyvinyl alcohol-based film in which iodine is adsorbed is used as a polarizing film, but in a high humidity environment, iodine is dissolved from the end face of such a polarizing film to make the polarizing film transparent. It may end up.
- a resin material having a moisture-proof function may be applied to the end of the display module 82, that is, at least a part of the side surface of the display module 82.
- the end portion (side surface) of the display module 82 at least the end portion of the polarizing film 183 is covered with the resin material 231 so that the end portion of the circular polarizing film 152 is covered.
- a resin material 231 having a moisture-proof function is partially applied.
- the entire end portion of the circular polarizing film 152 is covered with resin so that the entire end portion of the circular polarizing film 152 is covered with the resin material 231.
- Material 231 may be applied.
- the entire end portion of the circular polarizing film 152 and at least a part of the end portion of the display portion 151 are covered with the resin material 231.
- the resin material 231 may be coated on the end portion (side surface) of the display module 82.
- the entire end portion of the flattening layer 162 and a part of the end portion of the electronic substrate 161 are covered with the resin material 231.
- the end portion of the polarizing film 183 among the end portions of the display module 82 is covered with the resin material 231 having a moisture-proof function, so that the inside of the polarizing film 183 is from the outside. It is possible to prevent the intrusion of moisture. As a result, it is possible to suppress the dissolution of iodine from the polarizing film 183, that is, the transparency of the polarizing film 183, and improve the bright contrast.
- an olefin-based resin an acrylic-based resin, an allyl-based resin, an epoxy-based resin, a polyester-based resin, a urethane-based resin, a silicon-based resin, a fluorine-based resin, or the like can be used. ..
- the moisture permeability of the resin material 231 is 100 g / m 2 ⁇ 24h @ 40 ° C. 90% RH or less. That is, for example, according to JIS Z 0208 "Permeability test method for moisture-proof packaging material", temperature 40 ° C and humidity 90% RH specified in Condition B of "Permeability test method for moisture-proof packaging material” of JIS Z 0208.
- the resin material 231 having a moisture permeability of 100 g / m 2.24 h or more can be used.
- the resin material 231 may be a solvent-soluble resin such as the above-mentioned material, or a reaction type such as a UV curable type, a thermosetting type, a moisture-curable type, or a two-component reaction type such as the above-mentioned material. It may be a cured resin. In particular, by using a reactive curable resin as the resin material 231, higher durability can be realized.
- the LED element 171 is also simply referred to as the LED element 171.
- the LED elements 171-8 to 171-10 near the center of the display unit 151 are lit (light emitting), and are outside the LED elements 171, that is, the outer peripheral portion (end side) of the display unit 151. It is assumed that the LED elements 171-1 to 171-7 in the above are turned off. Further, here, it is assumed that the resin material 231 is not applied to the end portion of the display module 82.
- the LED element 171 near the center of the display unit 151 that is, a part of the light emitted by the LED element 171-8 in this example becomes stray light, and the stray light passes through the inside of the circular polarizing film 152. It may pass through and exit from the end portion of the circularly polarizing film 152.
- the resin material 231 may be provided on the end (side surface) portion of the display module 82, but also the resin material 231 may be colored black. In other words, the resin material 231 may have an end face emission prevention function.
- the resin material 231 absorbs the stray light generated by the light emission of the LED element 171 near the center of the display unit 151, and the stray light can be prevented from being emitted from the end portion of the circular polarizing film 152. can. This makes it possible to improve the bright contrast.
- the resin material 23 for example, carbon black, titanium black, black inorganic pigments such as metal composite oxide fine particles, various black organic pigments, organic dyes, and the like can be used.
- the color depth of the resin material 23 for example, by setting the optical density OD (Optical Density) value to 2.0 or more and further to 2.5 or more with the thickness of the resin material 231 at the end portion of the circular polarizing film 152. It is possible to prevent the emission of stray light more effectively.
- the end portion of the circular polarizing film 152 but also at least a part of the end portion of the display unit 151 is covered with the resin material 231 to make the resin more effective.
- the material can be brought into close contact.
- the method of applying the resin material 231 to the end (side surface) portion of the display module 82 may be any method, and for example, the methods shown in FIGS. 14 to 17 can be considered.
- FIG. 14 there is a method in which a liquid resin material is ejected from a nozzle by compressed air using a pneumatic dispenser, and the resin material is applied to the end portion of the display module 82 as the resin material 231. Conceivable.
- FIG. 15 there is also a method of ejecting a liquid resin material from a nozzle with a screw using a mechanical dispenser to apply the resin material as the resin material 231 to the end portion of the display module 82. Conceivable.
- a piston is driven by a piezo element to eject a liquid resin material from a nozzle, and the resin material is used as the resin material 231 at the end of the display module 82.
- a method of applying to is also conceivable.
- a method of applying the resin material applied to the printing plate to the end portion of the display module 82 as the resin material 231 by printing that is, a method of applying the resin material 231 by offset printing is also conceivable. ..
- step S11 as shown in FIG. 6, a plurality of LED elements 171 are aligned and mounted on the electronic substrate 161 at a predetermined arrangement pitch.
- step S12 the surface of the electronic substrate 161 on which the LED element 171 is mounted, that is, the surface on which the LED element 171 is mounted is flattened by the resin material 172, and the flattening layer 162 is formed.
- the display unit 151 including the electronic substrate 161 and the flattening layer 162 shown in FIG. 6 is formed.
- step S13 the circular polarizing film 152 is arranged on the surface of the flattening layer 162 of the display unit 151, that is, the surface of the display unit 151 on the side where the LED element 171 is arranged.
- the entire circular polarizing film 152 may be adhered to or adhered to the surface of the flattening layer 162 with an adhesive or an adhesive, or the 1/4 wavelength film 181 or the protective layer 182 may be adhered to the flattening layer 162.
- the polarizing film 183 and the like may be laminated in order so that the circular polarizing film 152 is formed on the surface of the flattening layer 162.
- the display unit 151 and the circularly polarizing film 152 have the same size and shape, and the display unit 151 and the circularly polarizing film 152 have the same size and shape. Are made to appear to overlap.
- step S14 the resin material 231 is applied to each end portion of the display module 82 including the display unit 151 and the circular polarizing film 152, that is, to each side surface portion to obtain the final display module 82.
- step S14 by the method shown in FIGS. 14 to 17, for example, as shown in FIGS. 10, 11 and 12, at least the end portion of the polarizing film 183 is covered with the resin material 231. Material 231 is applied.
- the display unit 151 is formed, the circularly polarizing film 152 is added to the display unit 151, and the resin material 231 is further applied to the end portions of the circularly polarizing film 152 and the display unit 151 to form the display module 82.
- the resin material 231 is further applied to the end portions of the circularly polarizing film 152 and the display unit 151 to form the display module 82.
- a plurality of display modules 82 thus obtained are arranged side by side to obtain one display unit 21, and further, a plurality of display units 21 are arranged and connected in a tile shape to obtain a display device 13.
- ⁇ Modification 1 of the first embodiment> ⁇ Other configuration examples of display module>
- the circularly polarizing film 152 as a film for reducing external light incident on the display module 82 from the outside and reflected on the surface of the display module 82 or inside the display module 82 has been described.
- a film not only the circularly polarizing film 152 but also a dimming film or the like may be used.
- the display module 82 When the display module 82 is provided with a dimming film, the display module 82 is configured as shown in FIG. 19, for example.
- FIG. 19 shows a cross-sectional view of the display module 82 when viewed from a direction perpendicular to the normal of the display surface of the display module 82.
- the display module 82 has a display unit 151 and a dimming film 301, and the configuration of the display unit 151 is the same as that in the case of FIG.
- a plurality of LED elements 171 are aligned and mounted on the electronic substrate 161 at equal intervals at a predetermined arrangement pitch, and the portion of the LED elements 171 is flattened by the resin material 172 to form a flattening layer. 162 is formed.
- the distance from the LED element 171 arranged at the position closest to the end of the display unit 151 to the end (side surface of the display module 82) of the display unit 151 is a plurality of distances arranged in the display unit 151. The distance is less than half the arrangement pitch of the LED element 171.
- the dimming film 301 is arranged on the surface of the display unit 151, that is, on the surface of the flattening layer 162 opposite to the electronic substrate 161 side.
- the outer shape of the display unit 151 that is, the shape and size, and the outer shape (shape and size) of the dimming film 301 are substantially the same (approximately the same shape). And the same dimensions), and the display unit 151 and the dimming film 301 overlap each other.
- the dimming film 301 is a film for reducing external light that is incident on the display module 82 from the outside and is reflected on the surface of the display module 82 or inside the display module 82.
- the dimming film 301 is a film having a neutral color tone such as gray in the visible light region, such as an ND (Neutral Density) film, and the components of each wavelength of the light incident on the dimming film 301 are uniformly dimmed. .. That is, the transmittance of each wavelength component in the dimming film 301 is substantially the same in the visible light region.
- ND Neutral Density
- the dimming film 301 may be made of a film containing a coloring material such as carbon black or titanium black, or an adhesive or an adhesive containing such a coloring material. And a film that is placed on top of the adhesive or adhesive and adhered or adhered.
- a coloring material such as carbon black or titanium black
- the low reflection layer 184 is similar to the example shown in FIG. Is provided.
- the low-reflection layer 184 may be added to the surface of the dimming film 301 by an existing coating method or thin-film deposition method, for example. Further, a film or the like subjected to a low reflection treatment may be attached to the surface of the dimming film 301 to form the low reflection layer 184.
- the dimming film 301 As described above, it is possible to suppress the reflection of external light on the display module 82 and improve the display quality of the image on the display module 82, more specifically, the bright contrast of the image. can.
- the reflection layer 184 on the surface of the dimming film 301 by providing the low reflection layer 184 on the surface of the dimming film 301, the reflection of external light incident on the dimming film 301 from the outside on the surface of the dimming film 301 (low reflection layer 184) is reduced. Can be made to.
- the external light incident on the inside of the dimming film 301 from the outside is dimmed by the dimming film 301.
- the external light is incident on the dimming film 301 from the outside and reflected inside the display unit 151 to be dimmed. It is possible to reduce the amount of external light emitted to the outside of the film 301.
- the embodiment of the present technique is not limited to the above-described embodiment, and various changes can be made without departing from the gist of the present technique.
- this technology can also have the following configurations.
- Display and It has a film arranged on the display unit and for reducing light incident from the outside and reflected by the display unit.
- the display unit includes an electronic substrate and a plurality of LED elements arranged and arranged at predetermined intervals on the film-side surface of the electronic substrate.
- a display module in which the distance from the LED element closest to the end of the display unit to the end of the display unit is less than or equal to half the distance of the predetermined interval.
- a low-reflection layer is provided on the surface of the film opposite to the display unit to reduce light incident from the outside and reflected on the surface of the film opposite to the display unit (1). Display module described in.
- the protective layer is formed of COP or PET.
- the display module (12) The display module according to any one of (8) to (11), wherein the resin material is colored black. (13) The display module according to any one of (8) to (12), wherein the resin material has an end face emission prevention function. (14) The display module according to any one of (1) to (3), wherein the film is a dimming film. (15) The display module according to (14), wherein the transmittance of each wavelength component in the dimming film is substantially the same in the visible light region. (16) The display module according to any one of (4) to (13), wherein the circularly polarizing film contains iodine.
- the display unit has a flattening layer provided between the electronic substrate and the film, and the LED element is covered with a resin material forming the flattening layer (1) to (1).
- the display module according to any one of 16).
- a display device having a plurality of display modules arranged in tiles.
- the display module is Display and It has a film arranged on the display unit and for reducing light incident from the outside and reflected by the display unit.
- the display unit includes an electronic substrate and a plurality of LED elements arranged and arranged at predetermined intervals on the film-side surface of the electronic substrate.
- a display device in which the distance from the LED element closest to the end of the display unit to the end of the display unit is less than or equal to half the distance of the predetermined interval.
- a method for manufacturing a display module having a display unit and a film for reducing light incident from the outside and reflected by the display unit By arranging a plurality of LED elements side by side at predetermined intervals on the electronic substrate, the distance from the LED element closest to the end of the display unit to the end of the display unit is half of the predetermined interval.
- a manufacturing method including a step of arranging the film on the surface of the display unit on the side where the LED element is arranged. (20) 19.
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Abstract
Description
〈本技術について〉
本技術は、LED素子を光源とする表示モジュールや、複数の表示モジュールを配列して構成されるLEDタイリングディスプレイに関するものである。
それでは、本技術について、より具体的に説明する。
また、図2に示したコントローラ12および表示ユニット21は、例えば図3および図4に示すように構成される。
図2乃至図4を参照して説明したように、表示装置13は複数の表示モジュール82をタイル状に並べることで得られるものとなっている。
続いて、以上において説明した表示モジュール82の製造方法について説明する。すなわち、以下、図18のフローチャートを参照して、表示モジュール82の製造方法について説明する。
〈表示モジュールの他の構成例〉
なお、以上においては、外部から表示モジュール82へと入射し、表示モジュール82の表面や表示モジュール82内部で反射する外光を低減させるためのフィルムとして、円偏光フィルム152を用いる例について説明した。しかし、そのようなフィルムとして、円偏光フィルム152に限らず、減光フィルムなどを用いてもよい。
表示部と、
前記表示部上に配置され、外部から入射して前記表示部で反射する光を低減させるためのフィルムと
を有し、
前記表示部は、電子基板と、前記電子基板における前記フィルム側の面に所定間隔で並べられて配置された複数のLED素子とを有し、
前記表示部の端に最も近い位置にある前記LED素子から、前記表示部の前記端までの距離が、前記所定間隔の半分の距離以下である
表示モジュール。
(2)
前記フィルムにおける前記表示部とは反対側の面には、外部から入射して前記フィルムにおける前記表示部とは反対側の面で反射する光を低減させる低反射層が設けられている
(1)に記載の表示モジュール。
(3)
前記表示部の表面と垂直な方向から見た場合に、前記表示部の外形と前記フィルムの外形とが略等しい
(1)または(2)に記載の表示モジュール。
(4)
前記フィルムは円偏光フィルムである
(1)乃至(3)の何れか一項に記載の表示モジュール。
(5)
前記円偏光フィルムは、少なくとも1/4波長フィルム、偏光フィルム、および保護層から構成されている
(4)に記載の表示モジュール。
(6)
前記偏光フィルムの厚みが10μm以下である
(5)に記載の表示モジュール。
(7)
前記保護層はCOPまたはPETにより形成されている
(5)または(6)に記載の表示モジュール。
(8)
前記表示モジュールの側面に、少なくとも前記偏光フィルムの端部分が覆われるように、前記表示モジュールの前記側面に樹脂材料が塗布されている
(5)乃至(7)の何れか一項に記載の表示モジュール。
(9)
前記樹脂材料は防湿機能を有する
(8)に記載の表示モジュール。
(10)
前記表示モジュールの前記側面に、前記円偏光フィルムの端部分と前記表示部の端部分の少なくとも一部とが覆われるように、前記表示モジュールの前記側面に前記樹脂材料が塗布されている
(8)に記載の表示モジュール。
(11)
前記樹脂材料の透湿性は、温度が40℃であり、湿度が90%RHである環境下において、100g/m2・24h以下である
(8)乃至(10)の何れか一項に記載の表示モジュール。
(12)
前記樹脂材料は黒色に着色されている
(8)乃至(11)の何れか一項に記載の表示モジュール。
(13)
前記樹脂材料は端面発光防止機能を有する
(8)乃至(12)の何れか一項に記載の表示モジュール。
(14)
前記フィルムは減光フィルムである
(1)乃至(3)の何れか一項に記載の表示モジュール。
(15)
前記減光フィルムにおける各波長成分の透過率は可視光域で略同じである
(14)に記載の表示モジュール。
(16)
前記円偏光フィルムにはヨウ素が含まれている
(4)乃至(13)の何れか一項に記載の表示モジュール。
(17)
前記表示部は、前記電子基板と前記フィルムとの間に設けられた平坦化層を有しており、前記LED素子は前記平坦化層を形成する樹脂材料により覆われている
(1)乃至(16)の何れか一項に記載の表示モジュール。
(18)
タイル状に並べられた複数の表示モジュールを有する表示装置であって、
前記表示モジュールは、
表示部と、
前記表示部上に配置され、外部から入射して前記表示部で反射する光を低減させるためのフィルムと
を有し、
前記表示部は、電子基板と、前記電子基板における前記フィルム側の面に所定間隔で並べられて配置された複数のLED素子とを有し、
前記表示部の端に最も近い位置にある前記LED素子から、前記表示部の前記端までの距離が、前記所定間隔の半分の距離以下である
表示装置。
(19)
表示部と、外部から入射して前記表示部で反射する光を低減させるためのフィルムとを有する表示モジュールの製造方法であって、
電子基板上に複数のLED素子を所定間隔で並べて配置することで、前記表示部の端に最も近い位置にある前記LED素子から、前記表示部の前記端までの距離が前記所定間隔の半分の距離以下となる、前記電子基板と前記複数の前記LED素子を有する前記表示部を形成し、
前記表示部における前記LED素子が配置されている側の面に、前記フィルムを配置する
ステップを含む製造方法。
(20)
前記表示モジュールの側面における少なくとも前記フィルムの端の一部分が覆われるように、前記表示モジュールの前記側面に樹脂材料を塗布するステップをさらに含む
(19)に記載の製造方法。
Claims (20)
- 表示部と、
前記表示部上に配置され、外部から入射して前記表示部で反射する光を低減させるためのフィルムと
を有し、
前記表示部は、電子基板と、前記電子基板における前記フィルム側の面に所定間隔で並べられて配置された複数のLED素子とを有し、
前記表示部の端に最も近い位置にある前記LED素子から、前記表示部の前記端までの距離が、前記所定間隔の半分の距離以下である
表示モジュール。 - 前記フィルムにおける前記表示部とは反対側の面には、外部から入射して前記フィルムにおける前記表示部とは反対側の面で反射する光を低減させる低反射層が設けられている
請求項1に記載の表示モジュール。 - 前記表示部の表面と垂直な方向から見た場合に、前記表示部の外形と前記フィルムの外形とが略等しい
請求項1に記載の表示モジュール。 - 前記フィルムは円偏光フィルムである
請求項1に記載の表示モジュール。 - 前記円偏光フィルムは、少なくとも1/4波長フィルム、偏光フィルム、および保護層から構成されている
請求項4に記載の表示モジュール。 - 前記偏光フィルムの厚みが10μm以下である
請求項5に記載の表示モジュール。 - 前記保護層はCOPまたはPETにより形成されている
請求項5に記載の表示モジュール。 - 前記表示モジュールの側面に、少なくとも前記偏光フィルムの端部分が覆われるように、前記表示モジュールの前記側面に樹脂材料が塗布されている
請求項5に記載の表示モジュール。 - 前記樹脂材料は防湿機能を有する
請求項8に記載の表示モジュール。 - 前記表示モジュールの前記側面に、前記円偏光フィルムの端部分と前記表示部の端部分の少なくとも一部とが覆われるように、前記表示モジュールの前記側面に前記樹脂材料が塗布されている
請求項8に記載の表示モジュール。 - 前記樹脂材料の透湿性は、温度が40℃であり、湿度が90%RHである環境下において、100g/m2・24h以下である
請求項8に記載の表示モジュール。 - 前記樹脂材料は黒色に着色されている
請求項8に記載の表示モジュール。 - 前記樹脂材料は端面発光防止機能を有する
請求項8に記載の表示モジュール。 - 前記フィルムは減光フィルムである
請求項1に記載の表示モジュール。 - 前記減光フィルムにおける各波長成分の透過率は可視光域で略同じである
請求項14に記載の表示モジュール。 - 前記円偏光フィルムにはヨウ素が含まれている
請求項4に記載の表示モジュール。 - 前記表示部は、前記電子基板と前記フィルムとの間に設けられた平坦化層を有しており、前記LED素子は前記平坦化層を形成する樹脂材料により覆われている
請求項1に記載の表示モジュール。 - タイル状に並べられた複数の表示モジュールを有する表示装置であって、
前記表示モジュールは、
表示部と、
前記表示部上に配置され、外部から入射して前記表示部で反射する光を低減させるためのフィルムと
を有し、
前記表示部は、電子基板と、前記電子基板における前記フィルム側の面に所定間隔で並べられて配置された複数のLED素子とを有し、
前記表示部の端に最も近い位置にある前記LED素子から、前記表示部の前記端までの距離が、前記所定間隔の半分の距離以下である
表示装置。 - 表示部と、外部から入射して前記表示部で反射する光を低減させるためのフィルムとを有する表示モジュールの製造方法であって、
電子基板上に複数のLED素子を所定間隔で並べて配置することで、前記表示部の端に最も近い位置にある前記LED素子から、前記表示部の前記端までの距離が前記所定間隔の半分の距離以下となる、前記電子基板と前記複数の前記LED素子を有する前記表示部を形成し、
前記表示部における前記LED素子が配置されている側の面に、前記フィルムを配置する
ステップを含む製造方法。 - 前記表示モジュールの側面における少なくとも前記フィルムの端の一部分が覆われるように、前記表示モジュールの前記側面に樹脂材料を塗布するステップをさらに含む
請求項19に記載の製造方法。
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JPH0363181U (ja) * | 1989-10-26 | 1991-06-20 | ||
JP2003262858A (ja) * | 2002-03-12 | 2003-09-19 | Kyocera Corp | 液晶表示装置 |
JP2011022202A (ja) * | 2009-07-13 | 2011-02-03 | Sumitomo Chemical Co Ltd | 偏光板およびそれを用いた画像表示装置 |
JP2013109354A (ja) * | 2010-09-03 | 2013-06-06 | Nitto Denko Corp | 粘着型光学フィルム、その製造方法および画像表示装置 |
US20180031919A1 (en) * | 2016-07-26 | 2018-02-01 | Samsung Electronics Co., Ltd. | Led display device and structure of assembling the same |
US20200058834A1 (en) * | 2018-08-20 | 2020-02-20 | Samsung Electronics Co., Ltd. | Display apparatus and manufacturing method thereof |
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2021
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---|---|---|---|---|
JPH0363181U (ja) * | 1989-10-26 | 1991-06-20 | ||
JP2003262858A (ja) * | 2002-03-12 | 2003-09-19 | Kyocera Corp | 液晶表示装置 |
JP2011022202A (ja) * | 2009-07-13 | 2011-02-03 | Sumitomo Chemical Co Ltd | 偏光板およびそれを用いた画像表示装置 |
JP2013109354A (ja) * | 2010-09-03 | 2013-06-06 | Nitto Denko Corp | 粘着型光学フィルム、その製造方法および画像表示装置 |
US20180031919A1 (en) * | 2016-07-26 | 2018-02-01 | Samsung Electronics Co., Ltd. | Led display device and structure of assembling the same |
US20200058834A1 (en) * | 2018-08-20 | 2020-02-20 | Samsung Electronics Co., Ltd. | Display apparatus and manufacturing method thereof |
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