WO2022224607A1 - 表示装置 - Google Patents
表示装置 Download PDFInfo
- Publication number
- WO2022224607A1 WO2022224607A1 PCT/JP2022/010050 JP2022010050W WO2022224607A1 WO 2022224607 A1 WO2022224607 A1 WO 2022224607A1 JP 2022010050 W JP2022010050 W JP 2022010050W WO 2022224607 A1 WO2022224607 A1 WO 2022224607A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- panel
- display device
- display
- case
- Prior art date
Links
- 239000013039 cover film Substances 0.000 claims abstract description 25
- 239000011347 resin Substances 0.000 claims description 10
- 229920005989 resin Polymers 0.000 claims description 10
- 239000000779 smoke Substances 0.000 claims description 6
- 238000010422 painting Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 description 4
- 239000004925 Acrylic resin Substances 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920005668 polycarbonate resin Polymers 0.000 description 3
- 239000004431 polycarbonate resin Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
- G02B6/0008—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type the light being emitted at the end of the fibre
-
- 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
- H01L33/44—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 coatings, e.g. passivation layer or anti-reflective coating
-
- 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
- H01L33/58—Optical field-shaping elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
- B60K2360/20—Optical features of instruments
- B60K2360/33—Illumination features
- B60K2360/332—Light emitting diodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
- B60K2360/20—Optical features of instruments
- B60K2360/33—Illumination features
- B60K2360/336—Light guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
- B60K2360/20—Optical features of instruments
- B60K2360/33—Illumination features
- B60K2360/34—Backlit symbols
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
- B60K2360/60—Structural details of dashboards or instruments
- B60K2360/68—Features of instruments
- B60K2360/691—Housings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
- B60K35/21—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays
- B60K35/22—Display screens
Definitions
- the present invention relates to display devices.
- Patent Document 1 in order to make the indicator invisible when the light-emitting diode is turned off, a light-transmitting colored layer is provided on the entire front surface of the dial, and the back surface of the dial except for each indicator is colored with light-shielding properties. Techniques for providing layers are disclosed.
- Patent Document 1 cannot improve the abrasion resistance of the front surface of the dial because the translucent colored layer is provided by printing or hot stamping.
- the technique described in Patent Document 1 since the indicator is provided on the back surface of the dial, when the indicator to be displayed is displayed by the light emitted from the light emitting diode, the leakage of the light causes the proximity There is a risk that an indicator that is not to be displayed may be visually recognized.
- a display device includes a panel having a display unit, a plurality of light sources arranged side by side on the back side of the panel, and light emitted from each of the plurality of light sources arranged side by side on the back side of the panel. toward the display portion of the panel, and a plurality of spaces arranged side by side on the back side of the panel, wherein each of the plurality of spaces includes the light source and the light guide a display device for selectively displaying a plurality of designs on the display unit by selectively emitting light from the plurality of light sources, wherein the panel is integrated with a cover film.
- the upper surface of the case which has a molded surface and faces the back surface of the panel, has a plurality of exposed portions for exposing the upper end portions of the plurality of light guides, each of the plurality of exposed portions. has the shape of the design in plan view.
- FIG. 1 is an external perspective view of a display device according to an embodiment
- FIG. 2 is a partially enlarged cross-sectional perspective view showing an enlarged cross-section taken along the AA cross-section line of the display device according to one embodiment.
- the Z-axis direction in the drawings is defined as the vertical direction
- the X-axis direction in the drawings is defined as the front-rear direction
- the Y-axis direction in the drawings is defined as the horizontal direction.
- the positive direction of the X-axis is defined as the forward direction
- the positive direction of the Y-axis is defined as the right direction
- the positive direction of the Z-axis is defined as the upward direction.
- a line of sight when viewed from the Z-axis positive direction to the Z-axis negative direction is defined as a plan view.
- FIG. 1 is an external perspective view of a display device 100 according to one embodiment.
- a display device 100 shown in FIG. 1 is mounted, for example, in a vehicle interior of a vehicle such as an automobile, and displays various types of information about the vehicle.
- display device 100 includes case 110 and panel 120 provided on top of case 110 .
- a cover film 122 is provided on the surface 120A of the panel 120, and a rectangular display section 120B is provided in the central portion of the panel 120 in plan view.
- the display device 100 can selectively light the three LEDs 132 (see FIG. 2) provided inside the case 110 according to the state of the target device (for example, the air volume of the air conditioner, etc.). Thereby, the display device 100 can display up to three indicators each having a predetermined design shape (rectangular shape in this embodiment) on the display unit 120B according to the state of the target device. . 1, the light from each LED 132 is guided to the upper end surface 150C (see FIG. 2) of each light guide 150 and visually recognized on the display section 120B, as will be described later. There is.
- the display device 100 does not display any of the three indicators on the display unit 120B, and the designed shapes (rectangular shapes in the present embodiment) of the three indicators are displayed. None of them are visible (so-called blacked out).
- FIG. 2 is a partially enlarged cross-sectional perspective view showing an enlarged cross-section along the AA cross-section line of the display device 100 according to one embodiment.
- the display device 100 has a panel 120 on the top, and a case 110 , a circuit board 130 , a plurality of LEDs 132 and a plurality of light guides 150 on the back side of the panel 120 .
- the case 110 is a box-shaped member having a holding portion 112 for holding the light guide 150 inside.
- Case 110 is formed by injection molding a resin material.
- the case 110 is made of a white resin having a light blocking effect.
- the inside of the case 110 has a hollow structure in which the circuit board 130, the plurality of LEDs 132, and the plurality of light guides 150 are arranged, and has a lower opening 110A leading thereto.
- the case 110 has a rectangular parallelepiped shape, but the shape is not limited to this. Case 110 may have any shape.
- the case 110 is not limited to white, and may be formed of resin of any color.
- the holding section 112 has three holding spaces 114 for holding three light guides 150 .
- the three holding spaces 114 are arranged side by side in the X-axis direction.
- Each holding space 114 has a tubular shape with the vertical direction (the Z-axis direction) as the tubular direction, and holds the light guide body 150 inside the tubular interior.
- each holding space 114 has a rectangular tubular shape, but may have another shape (for example, a cylindrical shape).
- Upper surface 112A of holding portion 112 faces rear surface 120C of panel 120 .
- a plurality of exposed portions 112B which are holes penetrating vertically through the holding portion 112 and communicating with the holding space 114, are formed on the upper surface 112A of the holding portion 112. As shown in FIG.
- three exposed portions 112B are formed in the X-axis direction on the upper surface 112A of the holding portion 112 .
- the upper end portion 150B of the light guide 150 is inserted through the exposed portion 112B.
- the shape of the exposed portion 112B in plan view has substantially the same shape (rectangular shape in this embodiment) and the same size as the upper end portion 150B of the light guide 150 . That is, the shape of the exposed portion 112B in plan view is the shape of the design displayed on the display portion 120B.
- the lower opening 114A of each holding space 114 is closed when the circuit board 130 comes into contact with it.
- the panel 120 is a flat member facing the upper surface 112A of the holding portion 112 of the case 110 .
- a cover film 122 is integrally formed on the surface 120A of the panel 120 and is pressed against the surface 120A.
- Panel 120 and cover film 122 are light transmissive.
- the cover film 122 is formed using a resin material (for example, polycarbonate resin, acrylic resin, etc.) that has abrasion resistance and optical transparency.
- the panel 120 is formed using a light-transmissive resin material (for example, polycarbonate resin, acrylic resin, etc.) having a smoky color.
- a film having an arbitrary design (pattern, figure, character, etc.) printed on the back side can be used.
- Each of the plurality of light guides 150 guides the light emitted from the LEDs 132 to the display section 120B of the panel 120 .
- a light guide 150 is provided for each LED 132 .
- the display device 100 of this embodiment includes three light guides 150 corresponding to the three LEDs 132 .
- Each light guide 150 is formed using a resin material having optical transparency (for example, polycarbonate resin, acrylic resin, etc.).
- Each light guide 150 is arranged and held in each holding space 114 of the holding portion 112 of the case 110 .
- Each light guide 150 has a columnar shape whose longitudinal direction is the vertical direction (the Z-axis direction). In this embodiment, each light guide 150 has a quadrangular prism shape, but may have another shape (for example, a cylindrical shape).
- Each light guide 150 is provided above the corresponding LED 132 within the holding space 114 . That is, the lower end surface 150A of each light guide 150 faces the corresponding LED 132 . Thereby, the light emitted from the LED 132 enters the light guide 150 from the lower end surface 150A of the light guide 150 .
- Each light guide 150 is partially narrowed at its upper end 150B.
- An upper end portion 150B of each light guide 150 is inserted through an exposed portion 112B formed on the upper surface 112A of the holding portion 112 and arranged.
- the upper end surface 150C of the upper end portion 150B of each light guide 150 is exposed from the exposed portion 112B and faces the display portion 120B (back surface 120C) of the panel 120 .
- the light incident on each light guide 150 and propagating through each light guide 150 is emitted from the upper end surface 150C of each light guide 150 toward the display section 120B, and in plan view, the upper end surface 150C (Exposed portion 112B) is visible in the display portion 120B.
- the circuit board 130 is a plate-like member that is arranged horizontally inside the case 110 .
- a PWB Print Wired Board
- Various electronic components are mounted on the circuit board 130 .
- a plurality of LEDs 132 Light Emitting Diodes
- three LEDs 132 are arranged side by side in the X-axis direction on the surface of the circuit board 130 .
- the LED 132 is an example of a "light source”.
- the LED 132 is driven by an electronic circuit formed on the circuit board 130 to emit light upward from the LED 132 .
- the electronic circuit formed on the circuit board 130 is electrically connected to the outside of the display device 100 via various wiring members (for example, connectors, FPCs, cables, etc.). Thereby, the light emission of the LED 132 can be controlled from outside the display device 100 .
- the cover film 122 is integrally formed on the surface 120A of the panel 120. As shown in FIG. Specifically, the cover film 122 is set at a position corresponding to the surface 120A in the mold for injection molding the panel 120, and the resin of the panel 120 is injection molded in this state to form the panel 120. The resin and the cover film 122 are integrally molded in a state where the surface 120A is pressure-bonded.
- the display device 100 can improve the wear resistance of the surface 120A of the panel 120 compared to the case where the surface 120A of the panel 120 is coated.
- the upper surface 112A of the case 110 (holding portion 112) facing the back surface 120C of the panel 120 has a plurality of exposed portions that expose the upper end portions 150B of the plurality of light guides 150, respectively.
- Each of the plurality of exposed portions 112B has a shape (design shape) of a rectangular indicator displayed on the display portion 120B in plan view.
- the panel 120 and the cover film 122 are not formed in the shape of a plurality of indicators that allow light to pass through only that portion.
- a plurality of exposed portions 112B provided on the upper surface 112A side of the facing case 110 allows light to pass through in the shape of a plurality of indicators.
- the display device 100 can display objects closer to each other than in the case where the surface 120A of the panel 120 away from the upper end portion 150B of the light guide 150 is provided with a design shape that allows light to pass therethrough.
- a design shape that allows light to pass therethrough.
- FIG. 3 is a schematic diagram showing the configuration of the display device 100 according to one embodiment. As shown in FIG. 3, a cover film 122 is integrally formed on the surface 120A of the panel 120. As shown in FIG. 3,
- a first area A1 is set in the central portion of the back surface 122A of the cover film 122.
- the first area A1 is an area including a plurality of exposed portions 112B in plan view, and corresponds to the area of the display portion 120B (see FIG. 1).
- the first area A1 has a rectangular shape in plan view, but may have another shape.
- a smoke layer 124 is formed in the first region A1 on the back surface 122A of the cover film 122 by printing.
- a second area A2 is set around the first area A1 on the back surface 122A of the cover film 122.
- a light shielding layer 126 is formed by printing in the second area A2 on the back surface 122A of the cover film 122. As shown in FIG.
- the display device 100 transmits light emitted from the LEDs 132 in the first area A1 of the cover film 122, and does not transmit light emitted from the LEDs 132 in the second area A2 of the cover film 122. It's like
- the smoke layer 124 is provided in the first region A1 of the cover film 122, when the LED 132 is lit, the light emitted from the exposed portion 112B is almost emitted to the outside. It is possible to transmit the light and make it difficult to reflect it inside the case 110 .
- the smoke layer 124 when the LED 132 is turned off, it is difficult for outside light to enter the inside of the case 110, and the designed shape of the exposed portion 112B is hard to be seen, so that it can be blacked out.
- a reflection attenuation layer 116 printed or painted in black is provided in a region of the upper surface 112A of the case 110 facing the first region A1. ing.
- the display device 100 when the LED 132 is lit, the light emitted from the exposed portion 112B toward the panel 120 is emitted from the back surface 120C of the panel 120 and the back surface of the cover film 122 ( Even if the light is reflected back by the smoke layer 124 and the light shielding layer 126), the reflection attenuating layer 116 makes it difficult to reflect and attenuates the light. Therefore, the display device 100 according to one embodiment can prevent the designed shape of the adjacent indicator (that is, the shape of the adjacent exposed portion 112B) from being visually recognized by the light emitted from the exposed portion 112B. can. In addition, the display device 100 according to one embodiment can prevent the designed shape of the indicator (that is, the shape of the exposed portion 112B) from being visually recognized by the external light that enters the inside of the case 110 .
- the reflection attenuation layer 116 is formed by matte black printing or matte black painting.
- the display device 100 can increase the attenuation power of the light (light emitted from the exposed portion 112B reflected inside and external light) by the reflection attenuation layer 116 . Therefore, the display device 100 according to one embodiment can further improve the non-visibility of the nearby non-display target indicator.
- the reflection attenuation layer 116 may be formed by glossy black printing or glossy black painting.
- the size of the reflection attenuation layer 116 in plan view is preferably larger than the size of the first region A1 in plan view.
- the surface 120A of the panel 120 has a curved surface (see FIG. 2).
- the cover film 122 can be easily adhered to the surface 120A of the panel 120 compared to the case where the cover film 122 is attached to the surface 120A of the panel 120 with an adhesive or the like. can be integrated.
- the case 110 is preferably formed using a white resin having a light blocking effect.
- the case 110 (the inner wall surface of the holding space 114) holding the light guide 150 allows the light leaked from the light guide 150 into the holding space 114 to enter the light guide. Since the light can be reflected, the efficiency of light transmission from the LED 132 to the upper end surface 150C of the light guide 150 can be increased.
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Abstract
Description
図1は、一実施形態に係る表示装置100の外観斜視図である。図1に示す表示装置100は、例えば、自動車等の車両の車室内に搭載され、車両に関する各種情報の表示を行う。図1に示すように、表示装置100は、ケース110と、ケース110の上部に設けられたパネル120とを備える。パネル120の表面120Aにはカバーフィルム122が設けられ、パネル120の中央部には、平面視において矩形状の表示部120Bが設けられている。
図2は、一実施形態に係る表示装置100のA-A断面線による断面を拡大して示す一部拡大断面斜視図である。図2に示すように、表示装置100は、上部にパネル120を備え、パネル120の裏側に、ケース110、回路基板130、複数のLED132、および複数の導光体150を備える。
110 ケース
110A 下部開口
112 保持部
112A 上面
112B 露出部
114 保持空間
114A 下部開口
116 反射減衰層
120 パネル
120A 表面
120B 表示部
120C 裏面
122 カバーフィルム
122A 裏面
124 スモーク層
126 遮光層
130 回路基板
132 LED
150 導光体
150A 下端面
150B 上端部
150C 上端面
Claims (5)
- 表示部を有するパネルと、
前記パネルの裏側に並べて設けられた複数の光源と、
前記パネルの裏側に並べて設けられ、前記複数の光源の各々から出射された光を前記パネルの前記表示部に向けて導光する複数の導光体と、
前記パネルの裏側に並べて設けられた複数の保持空間を有し、当該複数の保持空間の各々に、前記光源および前記導光体が配置されるケースと
を備え、
前記複数の光源が選択的に発光することにより、前記表示部に複数の意匠を選択的に表示させる表示装置であって、
前記パネルは、カバーフィルムが一体成形された表面を有し、
前記ケースにおける前記パネルの裏面と対向する上面は、前記複数の導光体の各々の上端部を露出させる複数の露出部を有し、当該複数の露出部の各々は、平面視において前記意匠の形状を有する
ことを特徴とする表示装置。 - 前記カバーフィルムの裏面における、平面視において前記複数の露出部を包含する第1領域にはスモーク層が印刷されており、前記第1領域の周辺の第2領域には遮光層が印刷され、
前記複数の意匠のうち、発光していない前記光源に対応する前記意匠が、前記表示部においてブラックアウトされている
ことを特徴とする請求項1に記載の表示装置。 - 前記ケースの前記上面において、前記第1領域と対向する領域には、黒色の印刷または黒色の塗装による反射減衰層が設けられている
ことを特徴とする請求項2に記載の表示装置。 - 前記反射減衰層は、艶消しの黒色の印刷または艶消しの黒色の塗装によって形成される
ことを特徴とする請求項3に記載の表示装置。 - 前記ケースは、遮光性を有する白色樹脂が用いられて形成されている
ことを特徴とする請求項1から4のいずれか一項に記載の表示装置。
Priority Applications (4)
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CN202280021622.5A CN116981586A (zh) | 2021-04-22 | 2022-03-08 | 显示装置 |
US18/466,128 US20230420425A1 (en) | 2021-04-22 | 2023-09-13 | Display Device |
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JPH09257521A (ja) * | 1996-03-22 | 1997-10-03 | Toyoda Gosei Co Ltd | 車両用メータ及び発光ダイオードユニット |
JP2009139797A (ja) * | 2007-12-10 | 2009-06-25 | Nippon Seiki Co Ltd | 導光装置 |
JP2020106572A (ja) * | 2018-12-26 | 2020-07-09 | 日本精機株式会社 | 表示装置 |
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JP2005067443A (ja) | 2003-08-26 | 2005-03-17 | Denso Corp | 車両用表示装置 |
JP7439828B2 (ja) | 2019-04-25 | 2024-02-28 | 日本精機株式会社 | 車両用表示装置 |
KR102646276B1 (ko) | 2019-10-29 | 2024-03-11 | 라인플러스 주식회사 | 새로운 사람을 소개해주는 영상통화의 통화시간을 공평하게 과금하는 방법 및 시스템 |
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- 2022-03-08 JP JP2023516322A patent/JP7462835B2/ja active Active
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09257521A (ja) * | 1996-03-22 | 1997-10-03 | Toyoda Gosei Co Ltd | 車両用メータ及び発光ダイオードユニット |
JP2009139797A (ja) * | 2007-12-10 | 2009-06-25 | Nippon Seiki Co Ltd | 導光装置 |
JP2020106572A (ja) * | 2018-12-26 | 2020-07-09 | 日本精機株式会社 | 表示装置 |
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JPWO2022224607A1 (ja) | 2022-10-27 |
DE112022002289T5 (de) | 2024-02-22 |
US20230420425A1 (en) | 2023-12-28 |
CN116981586A (zh) | 2023-10-31 |
JP7462835B2 (ja) | 2024-04-05 |
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