KR101193447B1 - 시야각이 향상되는 액정표시소자 - Google Patents
시야각이 향상되는 액정표시소자 Download PDFInfo
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- KR101193447B1 KR101193447B1 KR1020050058903A KR20050058903A KR101193447B1 KR 101193447 B1 KR101193447 B1 KR 101193447B1 KR 1020050058903 A KR1020050058903 A KR 1020050058903A KR 20050058903 A KR20050058903 A KR 20050058903A KR 101193447 B1 KR101193447 B1 KR 101193447B1
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- liquid crystal
- polarizing plate
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- crystal display
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 139
- 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 claims abstract description 55
- 239000000758 substrate Substances 0.000 claims abstract description 49
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 229920002284 Cellulose triacetate Polymers 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 6
- 239000004065 semiconductor Substances 0.000 claims 1
- 239000010408 film Substances 0.000 description 32
- 230000005684 electric field Effects 0.000 description 14
- 239000004372 Polyvinyl alcohol Substances 0.000 description 7
- 229920002451 polyvinyl alcohol Polymers 0.000 description 7
- 239000011159 matrix material Substances 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 239000004988 Nematic liquid crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002834 transmittance Methods 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
- G02F1/13363—Birefringent elements, e.g. for optical compensation
-
- 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
- G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
- G02F1/133784—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by rubbing
-
- 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
- G02F1/13363—Birefringent elements, e.g. for optical compensation
- G02F1/133631—Birefringent elements, e.g. for optical compensation with a spatial distribution of the retardation value
-
- 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
- G02F2202/00—Materials and properties
- G02F2202/40—Materials having a particular birefringence, retardation
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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)
- Liquid Crystal (AREA)
- Spectroscopy & Molecular Physics (AREA)
Abstract
Description
상기 제1 편광판의 투과축과 상기 제2 편광판의 투과축이 서로 수직이며, 상기 제1 편광판의 투과축과 액정의 배열 방향이 서로 평행할 때, 상기 액정층의 리타데이션(retardation) 값이 350nm~400nm이며, 상기 제1 편광판의 상기 트리 아세틸셀룰로오스(TAC) 필름의 리타데이션 값이 48nm이고, 상기 제2편광판의 상기 트리 아세틸셀룰로오스(TAC) 필름의 리타데이션 값이 60nm~120nm 인 것을 특징으로 한다.
본 발명은 액정분자를 초기배향하는 배향방향이 게이트 라인에 평행하고 데이터 라인에 평행하며, 액정분자가 기판에 평행한 방향으로 구동하는 횡전계 모드의 액정표시소자에 있어, 액정표시패널의 좌,우측 시야각을 개선하는 최적화된 액정표시소자를 제공한다.
Claims (6)
- 단위화소가 배열되는 제 1 기판과;상기 제 1 기판과 대향하는 제 2 기판과;상기 제 1 기판의 내측 및 제 2 기판의 내측 사이에 형성된 액정층과;상기 제 1 기판의 외측에 부착되며, 트리 아세틸 셀룰로오스(tri-acetyl-cellulose,TAC)필름을 포함하는 제 1 편광판과;상기 제 2 기판의 외측에 부착되며, 트리 아세틸 셀룰로오스(tri-acetyl-cellulose,TAC)필름을 포함하는 제 2 편광판을 구비하며,상기 제1 편광판의 투과축과 상기 제2 편광판의 투과축은 서로 수직하고, 액정의 배열 방향과 상기 제1 편광판의 투과축이 서로 수직일 때, 상기 액정층의 리타데이션(retardation) 값이 350nm~400nm이며, 상기 제1 편광판의 상기 트리 아세틸셀룰로오스(TAC) 필름의 리타데이션 값이 60nm~120nm이고, 상기 제2편광판의 상기 트리 아세틸셀룰로오스(TAC) 필름의 리타데이션 값이 48nm인 것을 특징으로 하는 액정표시소자.
- 제1항에 있어서,상기 제1 편광판의 투과축과 상기 제2 편광판의 투과축이 서로 수직이며, 상기 제1 편광판의 투과축과 액정의 배열 방향이 서로 평행할 때, 상기 액정층의 리타데이션(retardation) 값이 350nm~400nm이며, 상기 제1 편광판의 상기 트리 아세틸셀룰로오스(TAC) 필름의 리타데이션 값이 48nm이고, 상기 제2편광판의 상기 트리 아세틸셀룰로오스(TAC) 필름의 리타데이션 값이 60nm~120nm 인 것을 특징으로 하는 액정표시소자.
- 제 1항에 있어서, 상기 제 1 기판은 가로방향으로 배열되는 복수의 게이트 라인과;상기 게이트 라인에 수직한 복수의 데이터 라인과;상기 게이트 라인이 형성되는 방향으로 러빙되는 배향막과;상기 러빙방향과 소정의 각을 이루며 형성되는 화소전극과;상기 화소전극에 대응되는 공통전극을 구비하는 것을 특징으로 하는 액정표시소자.
- 제 1항에 있어서, 상기 제 1 편광판 및 제 2 편광판에 형성되는 TAC필름은 액정층을 향하는 상기 편광판들의 내측에 형성되는 것을 특징으로 하는 액정표시소자.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050058903A KR101193447B1 (ko) | 2005-06-30 | 2005-06-30 | 시야각이 향상되는 액정표시소자 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050058903A KR101193447B1 (ko) | 2005-06-30 | 2005-06-30 | 시야각이 향상되는 액정표시소자 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20070003153A KR20070003153A (ko) | 2007-01-05 |
| KR101193447B1 true KR101193447B1 (ko) | 2012-10-24 |
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| KR1020050058903A KR101193447B1 (ko) | 2005-06-30 | 2005-06-30 | 시야각이 향상되는 액정표시소자 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101251055B1 (ko) * | 2011-08-26 | 2013-04-05 | 최승규 | 광학필름 제조 장치 및 그에 의해 제조된 광학필름 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100494702B1 (ko) | 2001-12-26 | 2005-06-13 | 비오이 하이디스 테크놀로지 주식회사 | 프린지 필드 스위칭 액정표시장치 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100494702B1 (ko) | 2001-12-26 | 2005-06-13 | 비오이 하이디스 테크놀로지 주식회사 | 프린지 필드 스위칭 액정표시장치 |
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| KR20070003153A (ko) | 2007-01-05 |
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