WO2022102678A1 - 液晶表示装置 - Google Patents
液晶表示装置 Download PDFInfo
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- WO2022102678A1 WO2022102678A1 PCT/JP2021/041414 JP2021041414W WO2022102678A1 WO 2022102678 A1 WO2022102678 A1 WO 2022102678A1 JP 2021041414 W JP2021041414 W JP 2021041414W WO 2022102678 A1 WO2022102678 A1 WO 2022102678A1
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- Prior art keywords
- liquid crystal
- light
- laser light
- crystal panel
- light emitting
- Prior art date
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 96
- 230000010287 polarization Effects 0.000 claims abstract description 30
- 238000002834 transmittance Methods 0.000 claims abstract description 29
- 239000004065 semiconductor Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 abstract description 11
- 239000000758 substrate Substances 0.000 description 20
- 239000011521 glass Substances 0.000 description 8
- 239000011159 matrix material Substances 0.000 description 5
- 230000003595 spectral effect Effects 0.000 description 5
- 239000003086 colorant Substances 0.000 description 4
- 230000000875 corresponding effect Effects 0.000 description 4
- 230000005684 electric field Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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Classifications
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- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
- G02F1/133531—Polarisers characterised by the arrangement of polariser or analyser axes
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133621—Illuminating devices providing coloured light
Definitions
- This disclosure relates to a liquid crystal display device.
- Patent Document 1 An example of the prior art is described in Patent Document 1.
- the liquid crystal display device of the present disclosure includes a plurality of light emitting elements that emit laser light, and is located on the light emitting surface and a light source device having an emitting surface that emits laser light emitted from the plurality of light emitting elements.
- a liquid crystal panel that controls and displays the amount of laser light transmitted from the emission surface is provided, and the plurality of light emitting elements emit the laser light at a polarization angle that maximizes the transmission rate of the liquid crystal panel.
- the configuration is to be used.
- the liquid crystal display device of another aspect of the present disclosure includes a plurality of light emitting elements that emit laser light, and has a light source device having an emission surface that emits laser light emitted from the plurality of light emitting elements, and a light source device on the emission surface.
- the liquid crystal panel is provided with a liquid crystal panel that controls and displays the amount of light transmitted from the emitted surface, and the liquid crystal panel is a retardation that maximizes the light transmittance of the laser light. Is configured to be transparent.
- the liquid crystal display device which is the basic configuration of the liquid crystal display device of the present disclosure, includes a light source device and a liquid crystal panel.
- the light source devices are arranged at predetermined intervals on the side opposite to the display surface of the liquid crystal panel.
- a semiconductor laser that generates laser light of three colors of red laser light, green laser light, and blue laser light is used as the light emitting element.
- one pixel is composed of three sub-pixels corresponding to the three primary colors of red (R), green (G), and blue (B). Each subpixel that transmits laser light of each color with a different wavelength is set to the same cell gap.
- FIG. 1 is a graph for explaining the transmission characteristics premised on the liquid crystal display device according to the embodiment of the present disclosure.
- the vertical axis shows the relative value of the transmittance
- the horizontal axis shows the wavelength.
- the spectral characteristics with FR, FG, and FB are shown.
- the wavelength ⁇ R of the red laser light is about 640 nm
- the wavelength ⁇ G of the green laser light is about 530 nm
- the wavelength ⁇ B of the blue laser light is about 450 nm, showing monochromatic light.
- each of the laser beam transmittances LR, LG, and LB of each color RGB shows a narrow spectral distribution with a wavelength bandwidth having one maximum peak LR MAX , LG MAX , and LB MAX .
- the spectral distribution of each color filter measured spectroscopically under a C light source (correlated color temperature 6774K), which is one of the standard light sources, is also shown in the figure.
- the transmittances FR, FG, and FB of the color filters 6R, 6G, and 6B of each color are the maximum peak FR MAX . It shows a convex curved spectral distribution that gradually decreases from FG MAX and FB MAX .
- the laser light is used as the backlight of the liquid crystal panel 3 as compared with the case where the light of the LED or the like is used as the light source. It can be seen that high color purity can be obtained in units.
- the light emitting element that emits laser light include a gas laser, a solid-state laser, and a semiconductor laser, and among them, the gas laser is preferable.
- FIG. 2 is a diagram schematically showing a cross-sectional configuration of the liquid crystal panel 3.
- FIG. 3 is a graph showing the relationship between the transmittance of three types of monochromatic light contained in the laser beam in the liquid crystal panel 3 and the retardation ( ⁇ nd).
- the pixel electrode, the common electrode, the TFT (Thin Film Transistor) element, the insulating layer, each wiring, and the like are omitted in order to facilitate the illustration.
- the retardation refers to the phase difference of the light generated by the birefringence of the liquid crystal panel 3 through which the light source light is transmitted.
- the liquid crystal display device 1 of the present embodiment includes a plurality of light emitting elements 13 that emit laser light, and has a light source device 2 having an emission surface that emits laser light emitted from the plurality of light emitting elements 13 and a light source device 2 on the emission surface. It is provided with a liquid crystal panel 3 that is located and controls the amount of transmitted laser light incident from the emission surface to display the light.
- the liquid crystal panel 3 is configured to transmit the laser light with a retardation that maximizes the transmittance of the laser light.
- the light source device 2 shows a direct type in which the light emitting element 13 is directly under the liquid crystal panel 3, but is a side light type in which a plurality of light emitting elements 13 are arranged on the side surface of a light guide plate (not shown). You may. Further, although the light source device 2 is described in a simplified manner, the light source device 2 includes at least a plurality of light source devices 13 (in this embodiment, RGB 3-color light emitting elements 13R, 13G, 13B), a light guide plate, and a light guide plate. It includes a diffuser plate arranged on the liquid crystal panel side of the above.
- the liquid crystal panel (LCD) 3 includes a TFT array-side substrate 5 in which pixel portions having TFT elements are formed in a matrix on the first surface 4a of the glass substrate 4, a color filter 6 and a black matrix 10.
- the color filter side substrate 8 formed on the second surface 7a of the glass substrate 7 is bonded to each other with a gap between them, and a liquid crystal display is filled between the TFT array side substrate 5 and the color filter side substrate 8. , It is produced by providing a sealed liquid crystal layer 9. Further, on the side of the glass substrate 7 opposite to the liquid crystal layer 9 side, a polarizing plate 11 having a polarization axis in a specific direction is arranged.
- the polarization axis in the specific direction of the polarizing plate 11 decomposes the light passing through the polarizing plate 11 into two orthogonal linear polarizations, and sets the main refractive index of the polarizing plate 11 to nx, ny (however, however).
- nx> ny the incident linearly polarized light on the polarizing plate 11 can be considered by being decomposed into a slow axis x corresponding to the main refractive index nx and ny and a phase advance axis y, and these slow axes can be considered.
- Either or both of x and the phase-advancing axis y may be used as the polarization axis in a specific direction.
- the liquid crystal mode for example, a VA (Vertical Alignment) mode is used.
- the present invention is not limited to this, and various liquid crystal modes such as a TN (Twisted Nematic) mode and a homogeneous mode can be used.
- a normally black mode a mode in which the light transmittance or brightness in the off state is lower than that in the on state
- a normally white mode a mode in which the light transmittance or the brightness in the off state is lower than that in the on state
- a mode in which the brightness is higher than that in the on state may be used.
- the display mode can be changed by appropriately setting the polarization direction of the polarizing plate 11 and the phase difference of the liquid crystal layer 9.
- a common electrode for forming a vertical electric field applied to the liquid crystal layer 9 between the pixel electrode and the second surface 7a of the glass substrate 7 of the color filter side substrate 8 is formed.
- the common electrode can be configured to generate a transverse electric field by being formed in the same plane as the pixel electrode of the pixel portion of the TFT array side substrate 5.
- the common electrode is formed by sandwiching an insulating layer above or below the pixel electrode of the pixel portion of the TFT array side substrate 5, and generates an end electric field (Fringe Field). Can be.
- red (R), green (G), and blue (B) color filters 6R, 6G, and 6B corresponding to each pixel (subpixel) are arranged on the second surface 7a of the glass substrate 7 of the color filter side substrate 8.
- red (R), green (G), and blue (B) color filters 6R, 6G, and 6B corresponding to each pixel (subpixel) are arranged.
- a black matrix 10 is formed at each boundary portion of each of the color filters 6R, 6G, and 6B in order to prevent the light that is formed and passes through each pixel (subpixel) from interfering with each other.
- the liquid crystal panel 3 provided in the liquid crystal display device 1 of the present embodiment has a cell gap d between each color filter 6R, 6G, 6B and a pixel electrode on the first surface 4a of the glass substrate 4 of the TFT array side substrate 5. Is formed.
- each cell gap d is 3.59 ⁇ m, 3.09 ⁇ m, and 2.59 ⁇ m in the order of each color filter 6R, 6G, 6B when the birefringence ⁇ n of the liquid crystal layer 9 is 0.1199. Will be done.
- the transmittance of the laser light can be improved.
- the birefringence index ⁇ n in the color filters 6R, 6G, 6B may be changed, or the cell gap d may be changed.
- the cell gap d is changed and set to a value suitable for each color filter 6R, 6G, 6B. Since the laser beam is polarized, a polarizing plate is not required on the light source device 2 side provided as the backlight of the liquid crystal panel 3.
- the laser beam having polarization property is emitted from each light emitting element 13 mounted on the element substrate by adjusting the polarization axis so as to be orthogonal to the polarization axis (slow phase axis, phase advance axis) of the upper polarizing plate 11. ..
- the liquid crystal panel 3 adopts a semiconductor laser for all three colors of RGB as a backlight source to improve the color purity, and is set to a retardation that maximizes the transmission rate of the laser light. It is possible to display high-brightness and high-definition images.
- the "maximum” includes a range in which the value drops by about 5% from the peak representing the maximum value.
- FIG. 4 is a diagram for explaining the incident polarization angle of the laser beam RGB to the liquid crystal panel 3 applied to the liquid crystal display device 1 of another embodiment of the present disclosure.
- FIG. 5A is a graph showing the relationship between the incident polarization angle of the laser beam B on the liquid crystal panel 3 and the transmittance.
- FIG. 5B is a graph showing the relationship between the incident polarization angle of the laser beam G on the liquid crystal panel 3 and the transmittance.
- FIG. 5C is a graph showing the relationship between the incident polarization angle of the laser beam R on the liquid crystal panel 3 and the transmittance.
- the same reference numerals are given to the parts corresponding to the above-described embodiments, and duplicate explanations will be omitted.
- the liquid crystal display device 1 of the present embodiment includes a plurality of light emitting elements 13 that emit laser light, and has a light source device 2 having an emission surface that emits laser light emitted from the plurality of light emitting elements 13 and a light source device 2 on the emission surface. It is provided with a liquid crystal panel 3 that is located and controls the amount of transmitted laser light incident from the emission surface to display the light.
- the liquid crystal panel 3 is configured to transmit laser light at a birefringence that maximizes the light transmittance of the laser light.
- the light emitting element 13 (laser) at which the brightness of the liquid crystal panel 3 is maximized. It is set using the luminance data for the angular position of the diode LD).
- the vertical axis is the transmittance (simulation value), but the vertical axis having the same characteristics is the curve of the luminance data.
- the incident polarization angle of 90 ° in FIG. 5 is an angle with respect to the orientation direction of the liquid crystal layer 9 of the liquid crystal panel 3 on the back surface side.
- the incident polarization angle at the maximum value of the transmittance of the blue laser light B having a wavelength of 450 nm is 81 °
- the incident polarization angle at the maximum value of the transmittance of the green laser light G having a wavelength of 530 nm is 83 °
- the incident polarization angle at the maximum value of the transmittance of the red laser light R having a wavelength of 640 nm is 84 °.
- the liquid crystal panel 3 adopts a semiconductor laser for all three colors of RGB as a backlight source to improve the color purity, and is set to a retardation that maximizes the transmission rate of the laser light. Therefore, a high-brightness, high-definition image can be displayed.
- the liquid crystal display device of the present disclosure includes a plurality of light emitting elements that emit laser light, and is located on the light emitting surface and a light source device having an emitting surface that emits laser light emitted from the plurality of light emitting elements.
- a liquid crystal panel that controls and displays the amount of laser light transmitted from the emission surface is provided, and the plurality of light emitting elements emit the laser light at a polarization angle that maximizes the transmission rate of the liquid crystal panel.
- the configuration is to be used.
- the liquid crystal display device of another aspect of the present disclosure includes a plurality of light emitting elements that emit laser light, and has a light source device having an emission surface that emits laser light emitted from the plurality of light emitting elements, and a light source device on the emission surface.
- the liquid crystal panel is provided with a liquid crystal panel that controls and displays the amount of light transmitted from the emitted surface, and the liquid crystal panel is a retardation that maximizes the light transmittance of the laser light. Is configured to be transparent.
- liquid crystal display device of the present disclosure it is possible to provide a liquid crystal display device capable of improving color purity and displaying a high-definition image with high image quality.
- the liquid crystal display device of the present disclosure can be applied to various electronic devices as an active matrix type LCD.
- Electronic devices include head-up displays, projector devices, automated route guidance systems (car navigation systems), ship route guidance systems, aircraft route guidance systems, smartphone terminals, mobile phones, tablet terminals, personal digital assistants (PDAs), and video cameras.
- Digital still camera electronic notebook, electronic book, electronic dictionary, personal computer, copying machine, terminal device of game equipment, television, product display catalog, price display tag, industrial programmable display device, car audio, digital audio player , Facsimile, printer, automated cash deposit / payment machine (ATM), vending machine, digital display type clock, etc.
- Liquid crystal display 2 Light source device 3 Liquid crystal panel 4 Glass substrate 4a 1st surface 5 TFT array side substrate 6; 6R, 6G, 6B color filter 7 Glass substrate 7a 2nd surface 8 Color filter side substrate 9 Liquid crystal 9R, 9G, 9B Liquid crystal layer 10 Black matrix 11R, 11G, 11B Plate plate 13 Light source LR, LG, LB Laser light transmission rate FR, FG, FB Color filter transmission rate
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Abstract
Description
2 光源装置
3 液晶パネル
4 ガラス基板
4a 第1面
5 TFTアレイ側基板
6;6R,6G,6B カラーフィルタ
7 ガラス基板
7a 第2面
8 カラーフィルタ側基板
9 液晶
9R,9G,9B 液晶層
10 ブラックマトリクス
11R,11G,11B 偏光板
13 発光素子
LR,LG,LB レーザ光の透過率
FR,FG,FB カラーフィルタの透過率
Claims (5)
- レーザ光を放射する複数の発光素子を含み、前記複数の発光素子から放射されたレーザ光を出射する出射面を有する光源装置と、
前記出射面上に位置し、前記出射面から入射したレーザ光の透過量を制御して表示を行う液晶パネルと、を備え、
前記複数の発光素子は、前記液晶パネルの透過率が最大となる偏光角度で前記レーザ光を放出する、液晶表示装置。 - レーザ光を放射する複数の発光素子を含み、前記複数の発光素子から放射されたレーザ光を出射する出射面を有する光源装置と、
前記出射面上に位置し、前記出射面から入射したレーザ光の透過量を制御して表示を行う液晶パネルと、を備え、
前記液晶パネルは、前記レーザ光の光透過率が最大となるリタデーションで前記レーザ光を透過させる、液晶表示装置。 - 前記複数の発光素子は、第1波長のレーザ光を放射する第1発光素子と、前記第1波長よりも短い第2波長のレーザ光を放射する第2発光素子と、前記第1波長よりも短くかつ前記第2波長よりも長い第3波長のレーザ光を放射する第3発光素子と、を含む、請求項1または2に記載の液晶表示装置。
- 前記複数の発光素子のそれぞれは、半導体レーザから成る、請求項1~3のいずれか1項に記載の液晶表示装置。
- 前記液晶パネルの、前記出射面に対向する第1面とは反対側の第2面上に位置する偏光板であって、前記第2面上における偏光軸が、前記第1面に入射するレーザ光の偏光軸に対して垂直な偏光板を、さらに含んでいる請求項1~4のいずれか1項に記載の液晶表示装置。
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JP2022561975A JPWO2022102678A1 (ja) | 2020-11-13 | 2021-11-10 | |
US18/035,657 US20230400730A1 (en) | 2020-11-13 | 2021-11-10 | Liquid crystal display device |
CN202180074638.8A CN116547595A (zh) | 2020-11-13 | 2021-11-10 | 液晶显示装置 |
EP21891923.1A EP4246220A1 (en) | 2020-11-13 | 2021-11-10 | Liquid crystal display device |
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JP2020-189807 | 2020-11-13 | ||
JP2020189807 | 2020-11-13 |
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EP (1) | EP4246220A1 (ja) |
JP (1) | JPWO2022102678A1 (ja) |
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JP2009216985A (ja) * | 2008-03-11 | 2009-09-24 | Sony Corp | 投射型液晶表示装置および電子機器 |
JP2018018710A (ja) | 2016-07-28 | 2018-02-01 | 株式会社 オルタステクノロジー | 光源装置及びそれを備えた表示装置 |
JP2019158962A (ja) * | 2018-03-08 | 2019-09-19 | 株式会社ジャパンディスプレイ | 表示装置 |
Family Cites Families (4)
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US8379172B2 (en) * | 2009-05-29 | 2013-02-19 | Panasonic Corporation | Liquid crystal display device |
JP6430678B2 (ja) * | 2016-02-24 | 2018-11-28 | 鴻海精密工業股▲ふん▼有限公司 | プロジェクタ |
CN106802511A (zh) * | 2017-04-11 | 2017-06-06 | 京东方科技集团股份有限公司 | 一种彩膜基板、其制作方法及相关装置 |
JP2019149258A (ja) * | 2018-02-26 | 2019-09-05 | シャープ株式会社 | 発光装置、バックライト装置及び液晶表示装置 |
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2021
- 2021-11-10 JP JP2022561975A patent/JPWO2022102678A1/ja active Pending
- 2021-11-10 EP EP21891923.1A patent/EP4246220A1/en not_active Withdrawn
- 2021-11-10 WO PCT/JP2021/041414 patent/WO2022102678A1/ja active Application Filing
- 2021-11-10 CN CN202180074638.8A patent/CN116547595A/zh active Pending
- 2021-11-10 US US18/035,657 patent/US20230400730A1/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070052660A1 (en) * | 2005-08-23 | 2007-03-08 | Eastman Kodak Company | Forming display color image |
JP2009216985A (ja) * | 2008-03-11 | 2009-09-24 | Sony Corp | 投射型液晶表示装置および電子機器 |
JP2018018710A (ja) | 2016-07-28 | 2018-02-01 | 株式会社 オルタステクノロジー | 光源装置及びそれを備えた表示装置 |
JP2019158962A (ja) * | 2018-03-08 | 2019-09-19 | 株式会社ジャパンディスプレイ | 表示装置 |
Also Published As
Publication number | Publication date |
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CN116547595A (zh) | 2023-08-04 |
US20230400730A1 (en) | 2023-12-14 |
EP4246220A1 (en) | 2023-09-20 |
JPWO2022102678A1 (ja) | 2022-05-19 |
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