JP7446065B2 - ディスプレイ装置 - Google Patents
ディスプレイ装置 Download PDFInfo
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- JP7446065B2 JP7446065B2 JP2019138592A JP2019138592A JP7446065B2 JP 7446065 B2 JP7446065 B2 JP 7446065B2 JP 2019138592 A JP2019138592 A JP 2019138592A JP 2019138592 A JP2019138592 A JP 2019138592A JP 7446065 B2 JP7446065 B2 JP 7446065B2
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- optical sheet
- inclined surface
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- 230000003287 optical effect Effects 0.000 claims description 85
- 238000009792 diffusion process Methods 0.000 claims description 49
- 230000005540 biological transmission Effects 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 13
- 238000010586 diagram Methods 0.000 description 6
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- -1 SUS Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
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
-
- 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
-
- 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
- G02F1/133603—Direct backlight with LEDs
-
- 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
- G02F1/133502—Antiglare, refractive index matching layers
-
- 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
- G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
-
- 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
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- 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
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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)
- Planar Illumination Modules (AREA)
- Optical Elements Other Than Lenses (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
Claims (12)
- 画像を表示するディスプレイパネル;
複数の光源を含む光源モジュール;
前記ディスプレイパネルと前記光源モジュールの間に配置され、前記光源モジュールにより照射される光を前記ディスプレイパネルに案内する光学シート;を含み、
前記光学シートは、
前記ディスプレイパネルと向き合う方向の反対側に配置される前記光学シートの第1面に形成された複数のグルーブを含み、第1屈折率を有する第1透明層と、
前記複数のグルーブにそれぞれ配置され、前記第1屈折率とは異なる第2屈折率を有する第2透明層と、
前記複数のグルーブにそれぞれ配置され、前記第2透明層が前記光学シートの外面上に露出しないように前記第2透明層をカバーし、光を反射する材質を有する反射層であって、前記反射層は断面において凸形状を有し、前記凸形状の先細り部分が前記グルーブの内部に延びる、反射層を含み、
前記第1屈折率は前記第2屈折率よりも大きい、ディスプレイ装置。 - 前記第1面は、前記複数のグルーブの間に提供された複数の透過部をさらに含み、前記複数の透過部は、前記光源モジュールから出射する入射光を透過させるように構成された、請求項1に記載のディスプレイ装置。
- 前記複数のグルーブは第1傾斜面と第2傾斜面を含む第1グルーブを含み、
前記複数の透過部は前記第1傾斜面に隣接する第1透過部を含み、
前記第1透過部によって透過され、前記第1傾斜面に入射する光は前記第1傾斜面によって全反射する、請求項2に記載のディスプレイ装置。 - 前記光学シートはまた、前記第1傾斜面によって全反射した光が前記ディスプレイパネルと向き合う方向に配置される前記第1透明層の第2面に対して直角で前記第2面に入射するように前記光源モジュールによって照射される光を案内するように構成された、請求項3に記載のディスプレイ装置。
- 前記第2透明層は、前記第1傾斜面と前記第2傾斜面の表面を90%以上カバーする、請求項3に記載のディスプレイ装置。
- 前記第1面は前記複数の透過部の面を含む、請求項2乃至5のいずれか1項に記載のディスプレイ装置。
- 前記第1傾斜面と前記第2傾斜面の間の距離は、前記第1面から離れた位置における距離より前記第1面において長い、請求項3に記載のディスプレイ装置。
- 前記第1傾斜面と前記第2傾斜面はそれぞれ長方形の形状を有する、請求項7に記載のディスプレイ装置。
- 前記第1傾斜面と前記第2傾斜面はそれぞれ曲面の形状を有する、請求項7に記載のディスプレイ装置。
- 前記複数のグルーブは、前記第1グルーブの大きさとは異なる大きさの第2グルーブを含む、請求項3に記載のディスプレイ装置。
- 前記第2グルーブは前記第1グルーブの形状とは異なる形状を有する、請求項10に記載のディスプレイ装置。
- 前記光源モジュールと前記光学シートの間に提供され、前記光源モジュールから出射する光を拡散させるように構成された拡散シートをさらに含む、請求項1に記載のディスプレイ装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2018-0090468 | 2018-08-02 | ||
KR1020180090468A KR102543856B1 (ko) | 2018-08-02 | 2018-08-02 | 디스플레이 장치 |
Publications (2)
Publication Number | Publication Date |
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JP2020021069A JP2020021069A (ja) | 2020-02-06 |
JP7446065B2 true JP7446065B2 (ja) | 2024-03-08 |
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Application Number | Title | Priority Date | Filing Date |
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JP2019138592A Active JP7446065B2 (ja) | 2018-08-02 | 2019-07-29 | ディスプレイ装置 |
Country Status (5)
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US (1) | US10718973B2 (ja) |
EP (1) | EP3605214B1 (ja) |
JP (1) | JP7446065B2 (ja) |
KR (1) | KR102543856B1 (ja) |
WO (1) | WO2020027609A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20210116749A (ko) * | 2020-03-13 | 2021-09-28 | 삼성디스플레이 주식회사 | 표시 장치 |
JP2023102547A (ja) * | 2022-01-12 | 2023-07-25 | 株式会社ジャパンディスプレイ | ルーバー、視野角制御素子、及び、表示装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005234258A (ja) | 2004-02-20 | 2005-09-02 | Fuji Photo Film Co Ltd | 集光フィルタ、液晶表示装置、及び表示装置 |
JP2006107993A (ja) | 2004-10-07 | 2006-04-20 | Dainippon Printing Co Ltd | 集光シート、面光源装置、集光シートの製造方法 |
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KR100989338B1 (ko) | 2003-07-01 | 2010-10-25 | 삼성전자주식회사 | 백라이트 어셈블리 및 이를 갖는 액정표시장치 |
US7050227B2 (en) * | 2003-12-11 | 2006-05-23 | 3M Innovative Properties Company | Composition for microstructured screens |
JP2005221619A (ja) | 2004-02-04 | 2005-08-18 | Toppan Printing Co Ltd | 光学シート及びバックライト、並びに液晶表示装置 |
CN101099096A (zh) | 2005-01-31 | 2008-01-02 | 凸版印刷株式会社 | 光学片和使用它的背光源单元以及显示器 |
US7548371B2 (en) * | 2005-12-13 | 2009-06-16 | Sharp Kabushiki Kaisha | Optical film, illuminator and display |
KR101040552B1 (ko) | 2008-11-06 | 2011-06-16 | 엘지전자 주식회사 | 광학 필름, 이를 포함하는 백라이트 유닛 및 액정표시장치 |
US20120075547A1 (en) * | 2009-06-12 | 2012-03-29 | Iori Aoyama | Optical member and liquid crystal display device having the same |
TW201133040A (en) | 2010-03-29 | 2011-10-01 | Hon Hai Prec Ind Co Ltd | Light concentrating device and backlight module |
US20160238863A1 (en) * | 2015-02-16 | 2016-08-18 | Dai Nippon Printing Co., Ltd. | Optical sheet, image source unit and image display device |
-
2018
- 2018-08-02 KR KR1020180090468A patent/KR102543856B1/ko active IP Right Grant
-
2019
- 2019-05-29 US US16/425,220 patent/US10718973B2/en active Active
- 2019-07-24 EP EP19188187.9A patent/EP3605214B1/en active Active
- 2019-07-29 JP JP2019138592A patent/JP7446065B2/ja active Active
- 2019-08-02 WO PCT/KR2019/009641 patent/WO2020027609A1/en active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005234258A (ja) | 2004-02-20 | 2005-09-02 | Fuji Photo Film Co Ltd | 集光フィルタ、液晶表示装置、及び表示装置 |
JP2006107993A (ja) | 2004-10-07 | 2006-04-20 | Dainippon Printing Co Ltd | 集光シート、面光源装置、集光シートの製造方法 |
Also Published As
Publication number | Publication date |
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WO2020027609A1 (en) | 2020-02-06 |
US10718973B2 (en) | 2020-07-21 |
KR20200015110A (ko) | 2020-02-12 |
KR102543856B1 (ko) | 2023-06-16 |
JP2020021069A (ja) | 2020-02-06 |
US20200041842A1 (en) | 2020-02-06 |
EP3605214A1 (en) | 2020-02-05 |
EP3605214B1 (en) | 2021-09-01 |
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