JP6815249B2 - 表示装置 - Google Patents
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- JP6815249B2 JP6815249B2 JP2017066269A JP2017066269A JP6815249B2 JP 6815249 B2 JP6815249 B2 JP 6815249B2 JP 2017066269 A JP2017066269 A JP 2017066269A JP 2017066269 A JP2017066269 A JP 2017066269A JP 6815249 B2 JP6815249 B2 JP 6815249B2
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- 230000010287 polarization Effects 0.000 claims description 88
- 239000000758 substrate Substances 0.000 claims description 71
- 239000011248 coating agent Substances 0.000 claims description 65
- 238000000576 coating method Methods 0.000 claims description 65
- 239000004973 liquid crystal related substance Substances 0.000 claims description 41
- 230000003287 optical effect Effects 0.000 claims description 40
- 239000000463 material Substances 0.000 claims description 21
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 6
- 229910052740 iodine Inorganic materials 0.000 claims description 6
- 239000011630 iodine Substances 0.000 claims description 6
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 9
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000004372 Polyvinyl alcohol Substances 0.000 description 4
- 239000003086 colorant Substances 0.000 description 4
- 230000005684 electric field Effects 0.000 description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000004590 computer program Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 229920002284 Cellulose triacetate Polymers 0.000 description 1
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
Images
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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
- G02F1/133528—Polarisers
- G02F1/133536—Reflective polarizers
-
- 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
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
-
- 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
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
-
- 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
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
- G02F1/13471—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells
-
- 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
- G02F1/135—Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
-
- 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
- G02F1/135—Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
- G02F1/1351—Light-absorbing or blocking 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
- G02F2201/121—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode common or background
-
- 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
- G02F2201/123—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode pixel
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Polarising Elements (AREA)
Description
図1は、実施形態1の表示装置の構成の一例を示す斜視図である。表示装置100は、塗布型偏光層4と、前面パネル1と、光学シート5と、上側偏光板31と、表示パネル2と、下側偏光板32と、バックライト3とを備えている。図1において、表示パネル2の平面の一方向がX方向とされ、表示パネル2の平面においてX方向と直交する方向がY方向とされ、X−Y平面に直交する方向がZ方向とされている。Z方向にみて表示パネル2が画像を表示する表示面(又は上面)がある側を表示面側(又は上面側)といい、Z方向にみて表示面(又は上面)とは反対の背面(又は下面)がある側を背面側(又は下面側)という。
基板11と第2基板12との間に封止層13で封止された液晶層19とを備えている。第1基板11及び第2基板12は、ガラスなどの透光性基板である。
図9は、実施形態2の表示装置の断面図である。図9は、画像が表示されている表示状態の表示装置100を示す図である。図9の断面は、図1に示すII−IIの模式的な断面である。なお、実施形態1で説明した構成要素については、同じ符号を付して、説明を省略する。塗布型偏光層4の表面が柔らかく、耐久性を向上させるためには、表面を保護することが望ましい。また、塗布型偏光層4には、直接反射防止層を積層することが難しい。
図10は、実施形態3の表示装置の断面図である。図10は、画像が表示されている表示状態の表示装置100を示す図である。図10の断面は、図1に示すII−IIの模式的な断面である。なお、実施形態1及び実施形態2で説明した構成要素については、同じ符号を付して、説明を省略する。塗布型偏光層4の表面が柔らかく、耐久性を向上させるためには、表面を保護することが望ましい。また、塗布型偏光層4には、直接反射防止層を積層することが難しい。
2 表示パネル
3 バックライト
4 塗布型偏光層
5 光学シート
9 制御部
10 透過領域
10F 額縁領域
11 第1基板
12 第2基板
13、23 封止層
14 駆動電極
15 固定電位電極
17、27 駆動回路
18 フレキシブルプリント基板
19 液晶層
21、22 基板
24 共通電極
25 画素電極
26 絶縁層
28 フレキシブルプリント基板
29 液晶層
31 上側偏光板
32 下側偏光板
41 光学樹脂層
61、63 カバー基板
62 反射防止層
64 基材層
91 遮光膜
100 表示装置
PA1 第1偏光方向
PA2 第2偏光方向
Pix 画素
Claims (8)
- 第1偏光方向と直交する第2偏光方向の直線偏光を吸収し、かつ液晶材料と二色性色素とを有する塗布型偏光層と、
前記第1偏光方向の直線偏光を反射し、前記第2偏光方向の直線偏光を透過する光学シートと、
前記塗布型偏光層と前記光学シートとの間に配置され、印加電圧に応じて入射した光の偏光方向を他の偏光方向に変換可能な前面パネルと、
平面視において、前記前面パネルと重ね合わされた表示パネルと、
前記光学シートと前記表示パネルとの間に配置され、前記第2偏光方向の直線偏光を前記光学シートに透過する偏光板と、
前記塗布型偏光層と前記前面パネルとの間に配置され、配向処理された基材層と、を備え、
前記液晶材料は、前記基材層の前記配向処理に対応して自己配向し、
前記二色性色素は、前記液晶材料の前記自己配向に対応して配向し、
前記塗布型偏光層は、ヨウ素を含有しておらず、
前記塗布型偏光層の偏光度は、0.8以上0.966未満である
表示装置。 - 前記前面パネルは、第1基板と、第2基板と、前記第1基板と前記第2基板と間にある液晶層と、を有する請求項1に記載の表示装置。
- 前記塗布型偏光層が前記第2基板の液晶層と反対側の面にある請求項2に記載の表示装置。
- 前記塗布型偏光層は、前記第2基板と、前記前面パネルと重ね合わされる第3基板とに挟まれている請求項2に記載の表示装置。
- 前記第3基板の前記塗布型偏光層と反対側の面に、反射防止層がある請求項4に記載の表示装置。
- 前記基材層は、シクロオレフィンポリマーからなる請求項1から5のいずれか1項に記載の表示装置。
- 第1偏光方向と直交する第2偏光方向の直線偏光を吸収し、かつ液晶材料と二色性色素とを有する塗布型偏光層と、
前記第1偏光方向の直線偏光を反射し、前記第2偏光方向の直線偏光を透過する光学シートと、
前記塗布型偏光層と前記光学シートとの間に配置され、印加電圧に応じて入射した光の偏光方向を他の偏光方向に変換可能な前面パネルと、
平面視において、前記前面パネルと重ね合わされた表示パネルと、
前記光学シートと前記表示パネルとの間に配置され、前記第2偏光方向の直線偏光を前記光学シートに透過する偏光板と、
前記前面パネルと前記塗布型偏光層を挟むように配置され、配向処理されたカバー基板と、を備え、
前記液晶材料は、前記カバー基板の前記配向処理に対応して自己配向し、
前記二色性色素は、前記液晶材料の前記自己配向に対応して配向している
表示装置。 - 前記カバー基板の前記塗布型偏光層と反対側の面に、反射防止層がある請求項7に記載の表示装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017066269A JP6815249B2 (ja) | 2017-03-29 | 2017-03-29 | 表示装置 |
US15/936,905 US10747049B2 (en) | 2017-03-29 | 2018-03-27 | Display device |
US16/995,130 US11199741B2 (en) | 2017-03-29 | 2020-08-17 | Display device |
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Application Number | Priority Date | Filing Date | Title |
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JP2017066269A JP6815249B2 (ja) | 2017-03-29 | 2017-03-29 | 表示装置 |
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Publication Number | Publication Date |
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JP2018169484A JP2018169484A (ja) | 2018-11-01 |
JP6815249B2 true JP6815249B2 (ja) | 2021-01-20 |
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JP2017066269A Active JP6815249B2 (ja) | 2017-03-29 | 2017-03-29 | 表示装置 |
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US (2) | US10747049B2 (ja) |
JP (1) | JP6815249B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018097155A (ja) * | 2016-12-13 | 2018-06-21 | パナソニック液晶ディスプレイ株式会社 | 液晶表示装置 |
JPWO2018235847A1 (ja) * | 2017-06-23 | 2020-04-23 | 日本精機株式会社 | 液晶パネル |
JP7145704B2 (ja) * | 2018-09-11 | 2022-10-03 | 株式会社ジャパンディスプレイ | 表示装置及びルーム装置 |
Family Cites Families (21)
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JP3919983B2 (ja) * | 1999-09-30 | 2007-05-30 | 富士フイルム株式会社 | 偏光板の製造方法 |
JP4455743B2 (ja) * | 2000-09-12 | 2010-04-21 | 山本光学株式会社 | 偏光レンズの製造方法 |
US7110177B2 (en) * | 2002-01-18 | 2006-09-19 | Nitto Denko Corporation | Polarizing film and image display |
JP2003255328A (ja) * | 2002-03-05 | 2003-09-10 | Sumitomo Bakelite Co Ltd | 液晶素子用基板の製造方法およびそれを用いた液晶素子用基板 |
JP2004069926A (ja) * | 2002-08-05 | 2004-03-04 | Seiko Epson Corp | 鏡機能付き表示装置及び電子機器 |
JP2005157033A (ja) | 2003-11-27 | 2005-06-16 | Canon Inc | 立体表示装置 |
JP2007127724A (ja) * | 2005-11-01 | 2007-05-24 | Citizen Watch Co Ltd | 液晶表示装置 |
CN101401497B (zh) * | 2006-02-10 | 2013-01-02 | 诺基亚公司 | 显示模块和固定的方法 |
JP2010015117A (ja) * | 2008-06-05 | 2010-01-21 | Epson Imaging Devices Corp | 液晶表示装置 |
US9142176B2 (en) * | 2010-09-13 | 2015-09-22 | Arisawa Mfg. Co., Ltd. | Stereoscopic image display apparatus |
KR101727628B1 (ko) * | 2010-12-28 | 2017-04-18 | 엘지디스플레이 주식회사 | 거울-디스플레이 겸용 장치 및 그 구동방법 |
US9443455B2 (en) * | 2011-02-25 | 2016-09-13 | Semiconductor Energy Laboratory Co., Ltd. | Display device having a plurality of pixels |
JP2012189686A (ja) * | 2011-03-09 | 2012-10-04 | Fujifilm Corp | 3d表示装置及び時分割方式3d表示システム |
JP5732348B2 (ja) | 2011-08-12 | 2015-06-10 | 株式会社ジャパンディスプレイ | 表示装置 |
KR101941440B1 (ko) * | 2011-10-05 | 2019-01-23 | 엘지디스플레이 주식회사 | 코팅형 편광판 및 그 제조방법 |
JP2013186242A (ja) * | 2012-03-07 | 2013-09-19 | Japan Display West Co Ltd | 表示装置および電子機器 |
KR102271203B1 (ko) * | 2013-12-23 | 2021-06-30 | 삼성디스플레이 주식회사 | 거울 겸용 표시 장치 |
EP3006994B1 (fr) * | 2014-10-10 | 2018-02-14 | The Swatch Group Research and Development Ltd. | Ensemble d'affichage comprenant deux dispositifs d'affichage superposés |
WO2016136100A1 (ja) * | 2015-02-27 | 2016-09-01 | ソニー株式会社 | 光学装置、表示装置および電子機器 |
KR102363676B1 (ko) * | 2015-04-16 | 2022-02-17 | 삼성디스플레이 주식회사 | 표시장치 및 그 제조방법 |
CN107532009B (zh) * | 2015-04-20 | 2020-04-24 | 日本化药株式会社 | 含有二色性色素的组合物、使用该组合物制作的色素膜以及具有该色素膜的偏振元件 |
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US11199741B2 (en) | 2021-12-14 |
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