JP4968675B2 - 半透過型液晶表示装置 - Google Patents
半透過型液晶表示装置 Download PDFInfo
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- JP4968675B2 JP4968675B2 JP2007096749A JP2007096749A JP4968675B2 JP 4968675 B2 JP4968675 B2 JP 4968675B2 JP 2007096749 A JP2007096749 A JP 2007096749A JP 2007096749 A JP2007096749 A JP 2007096749A JP 4968675 B2 JP4968675 B2 JP 4968675B2
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- 239000004973 liquid crystal related substance Substances 0.000 title claims description 284
- 239000010410 layer Substances 0.000 claims description 207
- 230000005540 biological transmission Effects 0.000 claims description 112
- 239000000758 substrate Substances 0.000 claims description 46
- 230000010287 polarization Effects 0.000 claims description 33
- 230000005684 electric field Effects 0.000 claims description 27
- 239000011241 protective layer Substances 0.000 claims description 26
- 230000003287 optical effect Effects 0.000 claims description 25
- 210000002858 crystal cell Anatomy 0.000 claims description 5
- 238000000034 method Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 13
- 238000004088 simulation Methods 0.000 description 12
- 238000002834 transmittance Methods 0.000 description 12
- 230000008859 change Effects 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 10
- 230000000007 visual effect Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 7
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 4
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 210000004027 cell Anatomy 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 229920000106 Liquid crystal polymer Polymers 0.000 description 2
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000031700 light absorption Effects 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133553—Reflecting elements
- G02F1/133555—Transflectors
-
- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133753—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved viewing angle
- G02F1/133757—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved viewing angle with different alignment orientations
-
- 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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134363—Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
-
- 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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134372—Electrodes characterised by their geometrical arrangement for fringe field switching [FFS] where the common electrode is not patterned
Description
11、15:偏光板
12:対向基板
13:液晶層
14:TFT基板
16:反射板
18:位相差層
19、20:位相差板
21:反射領域
22:透過領域
31:ゲート線
32:データ線
33、34:TFT
35、36:画素電極
37、38:共通電極
39:COM線
100:液晶表示部
101:液晶駆動用ドライバー
111:タイミングコントローラ
112:反射透過切替え回路
113:データラッチ
114:デジタルアナログ変換回路
115:電圧生成回路
116:COM信号回路
121:ラインメモリ
122:LUT回路
123:選択回路
124:Exclusive−OR回路
Claims (18)
- 液晶分子がホモジニアス配向で配列された液晶層と、該液晶層を挟み込み互いに対向する2つの透明基板とを備え、各画素が反射領域と透過領域とを有する液晶セルと、前記透過領域で、前記液晶セルを挟み込む位置に、偏光軸が互いに直交するように配置された一対の偏光板と、前記反射領域で、前記液晶セルの表示面側に、前記一対の偏光板のうちで前記透過領域の表示面側に配置した偏光板と同じ偏光軸を有する偏光板とを有する液晶パネルであって、
前記反射領域では、前記表示面側の偏光板から入射した光を反射するための反射板と前記液晶層との間、前記透過領域では、光入射側の偏光板と液晶層との間に、位相差層を有し、該位相差層の遅相軸と前記液晶層における液晶分子の電圧無印加時の液晶配列方向とが直交し、かつ、前記透過領域の光入射側の偏光板の偏光軸と前記位相差層の遅相軸とは直交又は平行であり、
黒表示時の液晶ダイレクタ方向が、前記反射領域と前記透過領域とで異なることを特徴とする半透過型液晶表示装置。 - 前記反射領域及び透過領域の表示面側の偏光板が、前記反射領域及び前記透過領域を覆って延在している、請求項1に記載の半透過型液晶表示装置。
- 前記透過領域における光源側の偏光板が、前記反射領域と前記透過領域とを覆って延在している、請求項1又は2に記載の半透過型液晶表示装置。
- 前記反射領域の位相差層と前記透過領域の位相差層は、少なくとも接している、請求項1〜3の何れか一に記載の半透過型液晶表示装置。
- 前記反射領域の位相差層及び前記透過領域の位相差とは、前記反射領域と前記透過領域とを覆うように延在しており、同一の位相差を有する、請求項4に記載の半透過型液晶表示装置。
- 前記透過領域における黒表示時の液晶分子配列方向はほぼ初期配列方向であり、前記反射領域における黒表示時の液晶分子配列方向は、初期配列方向から20°乃至25°回転した方向である、請求項1〜5の何れか一に記載の半透過型液晶表示装置。
- 前記透過領域で、黒表示時に、前記液晶層に電界を印加するための画素電極と共通電極とに供給される電位差が、前記反射領域で、前記液晶層に電界を印加するための画素電極と共通電極とに供給される電位差よりも小さい、請求項6に記載の半透過型液晶表示装置。
- 前記反射領域における液晶駆動と、前記透過領域における液晶駆動とが、反転駆動である、請求項1〜7の何れか一に記載の半透過型液晶表示装置。
- 前記反射領域がノーマリホワイトで、前記透過領域がノーマリブラックである、請求項1〜8の何れか一に記載の半透過型液晶表示装置。
- 前記位相差層の位相差が、ほぼλ/4である、請求項1〜9の何れか一に記載の半透過型液晶表示装置。
- 前記液晶層が、IPSモードで駆動される、請求項1〜10の何れか一に記載の半透過型液晶表示装置。
- 前記位相差層の上面、又は、下面に、前記液晶層を駆動するための画素電極及び共通電極が形成される、請求項1〜11の何れか一に記載の半透過型液晶表示装置。
- 前記透過領域での光源側の偏光板における前記液晶層側の偏光子保護層の光学特性が等方性であり、前記光源側の偏光板の光透過軸と前記位相差層の遅相軸とがほぼ直交する、請求項1〜12の何れか一に記載の半透過型液晶表示装置。
- 前記表示面側の偏光板における前記液晶層側の偏光子保護層の光学特性が等方性である、請求項1〜13の何れか一に記載の半透過型液晶表示装置。
- 前記透過領域での光源側の偏光板における前記液晶層側の偏光子保護層が、基板垂直方向に光軸を持つ正の一軸の位相差を有し、前記表示面側の偏光板における前記液晶層側の偏光子保護層の光学特性が等方性である、請求項1〜12の何れか一に記載の半透過型液晶表示装置。
- 前記透過領域での光源側の偏光板における前記液晶層側の偏光子保護層の厚み方向のリタデーションが180nm以下である、請求項15に記載の半透過型液晶表示装置。
- 前記透過領域での光源側の偏光板における前記液晶層側の偏光子保護層の光学特性が等方性であり、該偏光子保護層と前記位相差層との間に、基板面に垂直方向に光軸を持つ正の一軸の位相差板を更に配置し、前記偏光子保護層と前記位相差板とを合わせた厚み方向のリタデーションが180nm以下である、請求項1〜12の何れか一に記載の半透過型液晶表示装置。
- 前記透過領域での光源側の偏光板の光透過軸と、前記液晶層における透過領域での電圧無印加時の液晶配向方向とがほぼ平行である、請求項15〜17の何れか一に記載の半透過型液晶表示装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007096749A JP4968675B2 (ja) | 2007-04-02 | 2007-04-02 | 半透過型液晶表示装置 |
US12/060,708 US7876406B2 (en) | 2007-04-02 | 2008-04-01 | Transflective liquid crystal display device |
CN2008100900758A CN101311791B (zh) | 2007-04-02 | 2008-04-02 | 透反型液晶显示装置 |
Applications Claiming Priority (1)
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JP2007096749A JP4968675B2 (ja) | 2007-04-02 | 2007-04-02 | 半透過型液晶表示装置 |
Publications (2)
Publication Number | Publication Date |
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JP2008256804A JP2008256804A (ja) | 2008-10-23 |
JP4968675B2 true JP4968675B2 (ja) | 2012-07-04 |
Family
ID=39793647
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2007096749A Expired - Fee Related JP4968675B2 (ja) | 2007-04-02 | 2007-04-02 | 半透過型液晶表示装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7876406B2 (ja) |
JP (1) | JP4968675B2 (ja) |
CN (1) | CN101311791B (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102124509A (zh) * | 2008-07-28 | 2011-07-13 | 奇像素公司 | 三模液晶显示器 |
US8670004B2 (en) * | 2009-03-16 | 2014-03-11 | Pixel Qi Corporation | Driving liquid crystal displays |
JP4888853B2 (ja) | 2009-11-12 | 2012-02-29 | 学校法人慶應義塾 | 液晶表示装置の視認性改善方法、及びそれを用いた液晶表示装置 |
KR101611909B1 (ko) | 2009-11-17 | 2016-04-12 | 엘지디스플레이 주식회사 | 액정 표시 장치 |
CN107656332B (zh) | 2010-06-22 | 2021-10-15 | 东洋纺株式会社 | 液晶显示装置、偏振板及偏振片保护膜 |
CN103293767B (zh) * | 2012-10-24 | 2015-10-07 | 上海天马微电子有限公司 | Ips/ffs型液晶显示面板及其形成方法 |
CN103018986B (zh) * | 2012-11-27 | 2015-03-11 | 京东方科技集团股份有限公司 | 阵列基板及其制备和驱动方法、液晶显示面板 |
CN104992686A (zh) * | 2015-07-21 | 2015-10-21 | 京东方科技集团股份有限公司 | 一种显示面板及其驱动方法、驱动装置 |
CN112014989A (zh) * | 2019-05-31 | 2020-12-01 | 北京小米移动软件有限公司 | 显示模组、显示设备、显示设备控制方法及存储介质 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3973658B2 (ja) * | 2002-04-30 | 2007-09-12 | ユニバーシティ・オブ・セントラル・フロリダ | 部分的なスイッチング機能を備えた半透過型液晶ディスプレイ |
JP4117148B2 (ja) * | 2002-05-24 | 2008-07-16 | 日本電気株式会社 | 半透過型液晶表示装置 |
KR100713885B1 (ko) * | 2003-04-14 | 2007-05-07 | 비오이 하이디스 테크놀로지 주식회사 | 반투과형 액정표시장치 |
WO2004102263A1 (en) * | 2003-05-16 | 2004-11-25 | Koninklijke Philips Electronics N.V. | Transflective liquid crystal display device |
CN1310069C (zh) * | 2003-11-14 | 2007-04-11 | 友达光电股份有限公司 | 半穿透反射式液晶显示面板的像素 |
JP2005321615A (ja) * | 2004-05-10 | 2005-11-17 | Hitachi Displays Ltd | 液晶表示装置 |
US8199286B2 (en) * | 2004-07-29 | 2012-06-12 | Kent State University | Polymer stabilized electrically controlled birefringence transflective LCD |
JP2006184325A (ja) * | 2004-12-24 | 2006-07-13 | Sony Corp | 液晶表示装置 |
JP4380648B2 (ja) * | 2005-05-25 | 2009-12-09 | エプソンイメージングデバイス株式会社 | 液晶装置及び電子機器 |
JP4434166B2 (ja) * | 2005-06-09 | 2010-03-17 | エプソンイメージングデバイス株式会社 | 液晶装置及び電子機器 |
US20100110351A1 (en) * | 2008-11-03 | 2010-05-06 | Hyang-Yul Kim | Transflective liquid crystal displays |
-
2007
- 2007-04-02 JP JP2007096749A patent/JP4968675B2/ja not_active Expired - Fee Related
-
2008
- 2008-04-01 US US12/060,708 patent/US7876406B2/en not_active Expired - Fee Related
- 2008-04-02 CN CN2008100900758A patent/CN101311791B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN101311791A (zh) | 2008-11-26 |
US7876406B2 (en) | 2011-01-25 |
JP2008256804A (ja) | 2008-10-23 |
US20080239178A1 (en) | 2008-10-02 |
CN101311791B (zh) | 2011-02-09 |
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