WO2005064577A1 - 表示装置 - Google Patents
表示装置 Download PDFInfo
- Publication number
- WO2005064577A1 WO2005064577A1 PCT/JP2004/018873 JP2004018873W WO2005064577A1 WO 2005064577 A1 WO2005064577 A1 WO 2005064577A1 JP 2004018873 W JP2004018873 W JP 2004018873W WO 2005064577 A1 WO2005064577 A1 WO 2005064577A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- display device
- heat
- circuit board
- liquid crystal
- case
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
- G02F1/133385—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell with cooling means, e.g. fans
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
Definitions
- the present invention relates to a display device mounted on, for example, an automobile, and particularly to a display device having a heat dissipation structure.
- Patent Document 1 JP-A-10-38624
- Patent Document 2 Japanese Patent Application Laid-Open No. 2003-104086
- a display device such as a liquid crystal display device is provided on the front side, not the rear side of the case, so that there is a distance from the rear surface of the case.
- a circuit board on which a circuit for controlling a liquid crystal display device and other devices is mounted is provided between a display device such as the above and the rear surface of the case, and it is difficult to provide a heat radiation member. If a cold cathode tube is used as a light source, a circuit board such as an inverter will be provided on the circuit board to drive the cold cathode tube. There is a problem that the temperature rise in the display device is suppressed.
- the present invention has been made in view of this point, and a main object of the present invention is to provide a display device in which a heat radiating component can be easily provided.
- the present invention provides a display device including a display device, a circuit board for driving the display device, and a case for housing the display device and the circuit board.
- a heat dissipating member that covers the opening provided in the case is provided,
- An extension forming portion that contacts the display device through the opening is provided on the heat dissipation member, and an avoidance portion through which the extension forming portion penetrates is provided on the circuit board.
- the circuit board was positioned behind the display device
- a display device including a display device, a circuit board for driving the display device, and a case for housing the display device and the circuit board,
- a heat dissipating member that covers the opening provided in the case is provided,
- An extension forming portion that contacts the display device through the opening is provided in the heat dissipation member, and the extension forming portion is provided below the circuit board,
- the circuit board is provided substantially perpendicular to a display surface of the display device.
- a heat-generating component is provided on the circuit board, a heat-radiating component is provided on the heat-generating component, and an extension portion that contacts the heat-generating component is provided on the heat-radiating member.
- the extension forming portion has a cylindrical shape.
- a waterproof member is provided between the heat radiating member and the case.
- a heat conductive elastic member having elasticity and good thermal conductivity is provided between the display device and the extension forming portion.
- a heat transfer elastic member having elasticity and good heat conductivity is provided between the heat dissipating component and the extension portion.
- a shielding portion for reducing an opening area of the opening is provided in the opening.
- FIG. 1 is a front view of a display device according to a first embodiment of the present invention.
- FIG. 2 is a rear view of the display device of the embodiment.
- FIG. 3 is a sectional view taken along line A—A in FIG. 1.
- FIG. 4 is a sectional view taken along line B—B in FIG.
- FIG. 5 is a front view of a display device according to a second embodiment of the present invention.
- FIG. 6 is a rear view of the display device of the embodiment.
- FIG. 7 is a sectional view taken along line C-C in FIG. 5.
- FIG. 8 is a sectional view taken along line DD in FIG. 6.
- the display device 1 of the present invention includes a liquid crystal display device 2 as a display device, a circuit board 3 for driving the liquid crystal display device 2, and a case 4 for housing the liquid crystal display device 2 and the circuit board 3.
- a heat radiating member 5 that covers the opening 13 provided in the case 4 is provided, and an extension forming portion 19 that contacts the liquid crystal display device 2 through the opening 13 is provided in the heat radiating member 5, and the circuit board 3
- the circuit board 3 is positioned behind the liquid crystal display device 2 by providing an avoidance section 8 through which the extension forming section 19 penetrates. With this configuration, it is possible to provide a display device in which a heat radiation component can be easily provided.
- a display device 3 1 including a liquid crystal display device 32 as a display device, a circuit board 33 for driving the liquid crystal display device 32, and a case 34 for accommodating the liquid crystal display device 32 and the circuit board 33.
- a heat dissipating member 35 for covering the opening 43 provided in the case 34 is provided, and the heat dissipating member 35 is provided with an extension forming portion 49 that contacts the liquid crystal display device 32 through the opening 43, and the extension forming portion 49 is formed on the circuit board 33.
- the circuit board 33 is provided substantially perpendicular to the display surface of the liquid crystal display device 32.
- an electronic component 6 as a heat-generating component is provided on the circuit board 3
- a heat-radiating component 7 is provided on the electronic component 6, and an extension portion 20 that contacts the heat-radiating component 7 is provided on the heat-radiating member 5.
- the extension forming portions 19 and 49 have a cylindrical shape. With such a configuration, the surface area of the extension forming portions 19 and 49 can be reduced, the heat radiation in the cases 4 and 34 can be suppressed, and the thermal conductivity can be improved.
- O-rings 16 and 46 are provided between the heat radiation members 5 and 35 and the cases 4 and 34 as waterproof members. With this configuration, it is possible to prevent water and dust from entering between the heat dissipating member 35 and the case 34.
- heat transfer elastic members 21 and 50 having elasticity and good heat conductivity are provided between the liquid crystal display devices 2 and 32 and the extension forming portions 19 and 49.
- the heat transfer members 20 and 50 having elasticity it is possible to absorb the variation between the components.
- a heat transfer elastic member 21 having elasticity and good heat conductivity is provided between the heat radiating component 7 and the extension portion 20.
- heat can be transmitted well between the heat radiating component 7 and the extension portion 20, and the heat S can be radiated well by the heat radiating member 5.
- the provision of the elastic heat transfer elastic member 21 can absorb the error between the components. it can.
- a shielding portion 47 for reducing the opening area of the openings 13, 43 of the cases 4, 34 is provided in the openings 13, 43.
- FIG. 1 to FIG. 4 show a first embodiment of the present invention.
- the display device 1 of the present embodiment includes a liquid crystal display device 2 as a display device, a circuit board 3 for driving the liquid crystal display device 2, a case 4 for housing the liquid crystal display device 2 and the circuit board 3, And a heat radiating member 5 exposed on the back side of the case 4.
- the liquid crystal display device 2 is called a liquid crystal module, and includes a liquid crystal display cell, a backlight device, a control board, and the like inside.
- Reference numeral 2a denotes an aluminum shield plate, which protects circuits in the liquid crystal display device 2 from electromagnetic waves and the like, and generates heat such as a backlight device built in the liquid crystal display device 2. It is also a radiator plate that dissipates heat.
- the circuit board 3 is a hard board whose base material is made of glass epoxy resin, and has a rectangular shape. On the front or back surface, a circuit for controlling and driving the liquid crystal display device 2 with a plurality of electronic components 6 mounted thereon is provided.
- the electronic component 6 includes, for example, a heat-generating component such as a power transistor 6, and is provided on the back surface (the lower surface in FIG. 3) of the circuit board 3 together with the heat dissipating component 7 made of aluminum. Further, wiring (not shown) made of a conductor for electrically connecting the electronic components 6 and the like is formed on the circuit board 3. Further, the circuit board 3 is provided with an avoiding portion 8 formed of a circular through hole.
- the circuit board 3 is fixed to the case 4 via a synthetic resin holder 9 for holding the liquid crystal display device 2.
- Case 4 is composed of an upper case 4a and a lower case 4b made of synthetic resin and a force.
- a cover lens 10 made of a transparent synthetic resin is fixed to the upper case 4a so that water and dust do not enter.
- the liquid crystal display device 2 can be visually recognized through the cover lens 10.
- the lower case 4b is provided with a ventilation hole 11, through which air is exchanged between the inside and the outside of the case 4.
- a porous membrane 12 that allows air to pass therethrough but does not allow water to pass through is provided in the ventilation hole 11 inside the lower case 4a.
- An opening 13 closed by the heat radiating member 5 is provided on the back surface of the lower case 4b.
- the opening 13 is provided with a step 14 inside the case 4, and the step 14 is provided with a concave portion 15, and in the concave portion 15 is provided a ring 16 which is a waterproof member.
- This O-ring 16 Since the material 5 and the opening 13 are in contact with each other, it is possible to prevent water and dust from entering between the heat radiation member 5 and the opening 13.
- the upper case 4a and the lower case 4b are fixed by screws 17, and the holder 9 is also fixed between the upper case 4a and the lower case 4b.
- the heat dissipating member 5 is a member having good thermal conductivity, and as a material thereof, in the present embodiment in which metal is preferred, aluminum is employed in terms of cost, ease of production, weight, and the like.
- a plurality of heat dissipating members 5, in this embodiment, a plurality of heat dissipating fins 5 b are exposed to the outside of the case 4 in order to increase the surface area of the heat dissipating member 5. It is formed integrally so as to perform.
- the heat dissipating member 5 is provided with an extension forming portion 19 that comes into contact with the shield plate 2a of the liquid crystal display device 2.
- the extension forming part 19 penetrates the avoiding part 8 formed on the circuit board 3 and is in contact with the shield plate 2a.
- an extension forming portion 19 is provided in a portion where the liquid crystal display device 2 and the heat radiation member 5 overlap in a direction viewed from the front of the display device 1 (the direction of the arrow in FIG. 3). is there. By doing so, the liquid crystal display device 2 (particularly, the shield plate 2a) and the heat radiating member 5 can be connected with the shortest distance, and heat radiation in the case 4 can be suppressed.
- the extension forming portion 19 has a cylindrical shape.
- the surface area can be reduced as compared with, for example, a prism having the same volume, so that heat radiation in the case 4 is suppressed, and the heat conductivity is reduced. Can be good.
- the provision of the avoidance portion 8 makes it easy to dissipate the heat dissipating member. 5 can be provided, and the heat inside the case 4 can be radiated well.
- the heat dissipating member 5 is provided with an extension portion 20 that comes into contact with the heat dissipating component 7 of the electronic component 6 of the circuit board 3.
- the extension portion 20 has a cylindrical shape in order to improve thermal conductivity.
- a heat transfer elastic member 21 such as silicon rubber having elasticity and good heat conductivity is provided between the shield plate 2 a and the extension forming portion 19 and between the heat radiation component 7 and the extension portion 20. It is. This With such a configuration, heat can be satisfactorily transmitted between the shield plate 2a and the extension forming portion 19 or between the heat dissipating component 7 and the extension portion 20. Heat radiation can be performed well. In addition, even if the distance between the shield plate 2a and the extension forming portion 19 varies depending on the spacing force between the heat radiating component 7 and the extension portion 20, the heat transfer elastic member 21 having elasticity may be used. With the provision, the variation between the components can be absorbed.
- the avoiding portion 8 provided on the circuit board 3 is a through hole, but the extension forming portion 19, which is not limited to the embodiment, can contact the liquid crystal display device 2. Therefore, the circuit board 3 may be partially cut off on the outer periphery.
- an O-ring is used as the waterproof member 16.
- the present invention is not limited to the above-described embodiment, but may be any other waterproof and dust-preventing member. You may.
- FIG. 5 to FIG. 8 show a second embodiment of the present invention.
- the display device 31 of this embodiment includes a liquid crystal display device 32 as a display device, a circuit board 33 for driving the liquid crystal display device 32, and a case 34 for housing the liquid crystal display device 32 and the circuit board 33. And a heat radiating member 35 exposed on the back side of the case 34.
- the liquid crystal display device 32 is called a liquid crystal module, and is the same as the liquid crystal display device 2 of the first embodiment.
- the liquid crystal display device 32 is fixed to a case 34 by a honoreda 36 and a squeeze holder 37.
- the holder 36 is fixed to the case 34 with screws 38.
- the holder 36 is made of a synthetic resin, is a rectangular frame that houses the liquid crystal display device 32, and has a step portion 36 a for fixing the position of the liquid crystal display device 32 on its inner surface.
- the cell holder 37 is made of metal, and is a frame having a window 37a through which the display surface of the liquid crystal display device 32 is exposed.
- the cell holder 37 is provided with an elastic piece 37c having a hole 37b, the holder 36 is provided with a locking claw 36b, and the hole 37b is hooked on the locking claw 36b, thereby fixing the cell holder 37 to the holder 36. ing.
- the circuit board 33 is a rigid board whose base material is made of glass epoxy resin, and has a rectangular shape. This circuit board 33 is used for a liquid crystal display cell of a liquid crystal display device 32 or a backlight. A liquid crystal drive circuit and an inverter circuit are provided to drive the device, and a plurality of electronic components 9 and the like constituting the liquid crystal drive circuit and the inverter circuit are mounted on the front surface or the back surface. Further, wiring (not shown) made of a conductor for electrically connecting the electronic components 9 and the like is formed on the circuit board 33. Further, the circuit board 33 is fixed to the holder 36 similarly to the liquid crystal display device 32, and is located above and behind the liquid crystal display device 32.
- the holder 36 has an extension 36c that extends the upper part of the holder 36 rearward (to the right in FIG. 8) to support the circuit board 33.
- the circuit board 33 is not shown in the extension 36c.
- a portion where the extension portion 36c is illustrated as being separated from the holder 36 is a through hole 36d, and is not illustrated for electrically connecting the liquid crystal display device 32 and the circuit board 33.
- the wiring is passed, and the extension 36c and the holder 36 are combined as shown in FIG.
- the case 34 is composed of an upper case 34a and a lower case 34b made of a synthetic resin, and a cover lens 40 made of a transparent synthetic resin is fixed to the upper case 34a so that water and dust do not enter. I have.
- the liquid crystal display device 32 can be viewed through the cover lens 40.
- the lower case 34b is provided with a ventilation hole 41 through which air is exchanged between the inside and the outside of the case 34.
- a porous membrane 42 that allows air but does not allow water to pass therethrough is provided for ventilation in the ventilation hole 41 inside the lower case 34a.
- an opening 43 closed by the heat radiating member 35 is provided on the back surface of the lower case 34b.
- a step 44 is provided inside the case 34, and the step 44 is provided with a recess 45, and in the recess 45 is provided a o-ring 46 as a waterproof member. Since the ring 46 is in contact with the heat radiating member 35 and the opening 43, it is possible to prevent water and dust from entering between the heat radiating member 35 and the opening 43. Further, a shielding portion 47 is formed in the lower half of the opening 43, and the opening area of the opening 43 is reduced.
- the heat dissipating member 35 is a member having good thermal conductivity, and aluminum is used as its material, as in the first embodiment.
- a plurality of, in this embodiment, a plurality of, and in this embodiment, ten heat dissipating fins 35b are exposed to the outside of the case 34 to increase the surface area of the heat dissipating member 35. It is formed integrally as follows. Further, the heat dissipating member 35 is provided with an extension forming portion 49 that comes into contact with the shield plate 32a of the liquid crystal display device 32.
- the extension forming portion 49 is formed on the upper side of the heat radiating member 35 in order to correspond to a portion of the liquid crystal display device 32 which generates a large amount of heat and provided with a backlight device. Further, an extension forming portion 49 is provided at a portion where the liquid crystal display device 32 and the heat radiating member 35 overlap each other when viewed from the front of the display device 31 (the direction of the arrow in FIG. 8). By doing so, the display device 31 can be made smaller, and the liquid crystal display device 32 (particularly, the shield plate 2a) and the heat radiating member 35 can be connected at the shortest distance, thereby suppressing heat radiation in the case 34. You can do S.
- the extension forming portion 49 has a cylindrical shape. By doing so, for example, the surface area can be made smaller than in the case of a prism having the same volume, so that heat radiation in the case 34 can be suppressed and the thermal conductivity can be improved. . Further, since the extension forming section 49 is provided below the circuit board 33, the heat generated by the circuit board 33 is prevented from being absorbed by the extension forming section 49, and the liquid crystal display device 32 can satisfactorily radiate heat. Further, by providing the board surface of the circuit board 33 in a direction substantially perpendicular to the display surface of the liquid crystal display device 32, it is possible to secure a wide space behind the liquid crystal display device 32 and to radiate heat well. It can be affected by the heat from the circuit board 33.
- the opening area of the opening 43 is reduced by the shielding portion 47, the heat of the liquid crystal display device 32 transmitted to the heat radiating member 35 is radiated again from the heat radiating member 35 to the inside of the display device 31, so that the display device 31 The rise of the temperature inside can be suppressed.
- a heat transfer member 50 such as silicone rubber having elasticity and good heat conductivity is provided between the shield plate 32 a and the extension forming portion 49. With this configuration, heat can be transmitted well between the shield plate 32a and the extension forming portion 49, and the heat radiating member 35 can radiate heat satisfactorily. Further, even if the distance between the shield plate 32a and the extension forming portion 49 varies depending on the precision of the components, the provision of the elastic heat transfer member 50 can absorb the variation between the components. it can.
- the force using an O-ring as the waterproof member 46 is not limited to the above-described embodiment, but may be anything as long as it prevents water and dust from entering. Oh good.
- the display device 31 accommodates only the liquid crystal display device 32 in the case 34.
- the present invention is not limited to the above-described embodiment. May be stored.
- the present invention is applied to a display device including a heat-generating component such as a display device, and to a display device including a heat dissipation structure that satisfactorily radiates heat generated by the heat-generating component.
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Claims
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-429751 | 2003-12-25 | ||
JP2003429751A JP4431956B2 (ja) | 2003-12-25 | 2003-12-25 | 表示装置 |
JP2004-158800 | 2004-05-28 | ||
JP2004158800A JP4376130B2 (ja) | 2004-05-28 | 2004-05-28 | 表示装置 |
Publications (1)
Publication Number | Publication Date |
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WO2005064577A1 true WO2005064577A1 (ja) | 2005-07-14 |
Family
ID=34742112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/018873 WO2005064577A1 (ja) | 2003-12-25 | 2004-12-17 | 表示装置 |
Country Status (1)
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WO (1) | WO2005064577A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007180141A (ja) * | 2005-12-27 | 2007-07-12 | Nippon Seiki Co Ltd | 表示装置 |
EP2312384A1 (en) * | 2008-07-09 | 2011-04-20 | NEC Corporation | Liquid crystal display device |
JP2014202883A (ja) * | 2013-04-04 | 2014-10-27 | 日本精機株式会社 | 表示装置 |
JP2017017123A (ja) * | 2015-06-30 | 2017-01-19 | Necプラットフォームズ株式会社 | 筐体構造体およびこれを用いた電子機器 |
WO2020066647A1 (ja) * | 2018-09-25 | 2020-04-02 | 日本精機株式会社 | 表示装置 |
JP2020134828A (ja) * | 2019-02-22 | 2020-08-31 | マクセル株式会社 | ヘッドアップディスプレイ |
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JPH0685120A (ja) * | 1992-08-31 | 1994-03-25 | Nec Ibaraki Ltd | 電子部品の冷却装置 |
JPH08222671A (ja) * | 1994-12-14 | 1996-08-30 | Toshiba Corp | 回路モジュールの冷却装置 |
JPH10173371A (ja) * | 1996-12-13 | 1998-06-26 | Kokusai Electric Co Ltd | 電子機器の筐体構造 |
JPH10240138A (ja) * | 1996-12-24 | 1998-09-11 | Matsushita Electron Corp | プラズマディスプレイ装置 |
JPH11112174A (ja) * | 1997-09-30 | 1999-04-23 | Toshiba Corp | 回路部品の放熱手段を有する回路モジュールおよびこの回路モジュールを搭載した携帯形情報機器 |
JP2000193947A (ja) * | 1998-12-28 | 2000-07-14 | Canon Inc | 液晶表示装置、投射型液晶表示装置、及び液晶表示パネルの接続方法 |
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JPH0375477U (ja) * | 1989-11-28 | 1991-07-29 | ||
JPH0685120A (ja) * | 1992-08-31 | 1994-03-25 | Nec Ibaraki Ltd | 電子部品の冷却装置 |
JPH08222671A (ja) * | 1994-12-14 | 1996-08-30 | Toshiba Corp | 回路モジュールの冷却装置 |
JPH10173371A (ja) * | 1996-12-13 | 1998-06-26 | Kokusai Electric Co Ltd | 電子機器の筐体構造 |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2007180141A (ja) * | 2005-12-27 | 2007-07-12 | Nippon Seiki Co Ltd | 表示装置 |
JP4706839B2 (ja) * | 2005-12-27 | 2011-06-22 | 日本精機株式会社 | 表示装置 |
EP2312384A1 (en) * | 2008-07-09 | 2011-04-20 | NEC Corporation | Liquid crystal display device |
EP2312384A4 (en) * | 2008-07-09 | 2012-04-04 | Nec Corp | LIQUID CRYSTAL DISPLAY DEVICE |
US8514364B2 (en) | 2008-07-09 | 2013-08-20 | Nec Corporation | Dust and dirt resistant liquid crystal display device |
JP2014202883A (ja) * | 2013-04-04 | 2014-10-27 | 日本精機株式会社 | 表示装置 |
JP2017017123A (ja) * | 2015-06-30 | 2017-01-19 | Necプラットフォームズ株式会社 | 筐体構造体およびこれを用いた電子機器 |
WO2020066647A1 (ja) * | 2018-09-25 | 2020-04-02 | 日本精機株式会社 | 表示装置 |
JPWO2020066647A1 (ja) * | 2018-09-25 | 2021-09-09 | 日本精機株式会社 | 表示装置 |
JP7355023B2 (ja) | 2018-09-25 | 2023-10-03 | 日本精機株式会社 | 表示装置 |
JP2020134828A (ja) * | 2019-02-22 | 2020-08-31 | マクセル株式会社 | ヘッドアップディスプレイ |
US11953681B2 (en) | 2019-02-22 | 2024-04-09 | Maxell, Ltd. | Head-up display including heat dissipation |
JP7474028B2 (ja) | 2019-02-22 | 2024-04-24 | マクセル株式会社 | ヘッドアップディスプレイ |
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