KR920016892A - 액정표시소자 - Google Patents
액정표시소자 Download PDFInfo
- Publication number
- KR920016892A KR920016892A KR1019920001857A KR920001857A KR920016892A KR 920016892 A KR920016892 A KR 920016892A KR 1019920001857 A KR1019920001857 A KR 1019920001857A KR 920001857 A KR920001857 A KR 920001857A KR 920016892 A KR920016892 A KR 920016892A
- Authority
- KR
- South Korea
- Prior art keywords
- liquid crystal
- optically anisotropic
- crystal cell
- material layer
- crystal display
- Prior art date
Links
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
-
- 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
- G02F1/1333—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
- G02F1/133636—Birefringent elements, e.g. for optical compensation with twisted orientation, e.g. comprising helically oriented LC-molecules or a plurality of twisted birefringent sublayers
-
- 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
- G02F1/133365—Cells in which the active layer comprises a liquid crystalline polymer
-
- 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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
- G02F1/1396—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell
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)
- Spectroscopy & Molecular Physics (AREA)
- Liquid Crystal (AREA)
- Polarising Elements (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 실시예1의 액정표시소자의 구성을 나타내는 분해사시도, 제4도는 수직배열액정셀의 굴절을 타원체를 나타낸 도면, 제5도는 TN 방식의 액정셀에 전압인가시의 분자배열상태를 나타내는 도면.
Claims (6)
- 2장의 편광판과, 2장의 편광판 사이에 배치되어, 2장의 기판사이에서 액정이 전압무인가시에 트위스트 배향을 하고있는 구동용액정셀 및, 광축이 연속적으로 트위스트 배열된 광학 이방성 물질층에서, 상기 광학이방물질층의 트위스트축이 구동용 액정셀의 기판표면에 대해 수직으로 설정되어, 1층이상의 광학이방성 물질층으로 형성된 적어도 1개의 광학이방소자를 구비하며, 상기 광학이방소자의 가시광에 대한 선광성이 상기 액정셀의 가시광에 대한 선광성 보다 작은 것을 특징으로 하는 액정표시소자.
- 제1항에 있어서, 구동용 액정셀을 자연값을 R1〔nm〕, 트위스트각을 T1〔deg〕으로하고, 광학이방소자의 자연값을 R2〔nm〕, 트위스트각을 T2〔deg〕로 하면, 상기 구동용액정셀 및 광학이방소자(R1/T1), (R2/T2)는 (R1/T1)〉(R2/T2)인것을 특징으로 하는 액정표시소자.
- 제1항 또는 제2항에 있어서, 광학이방소자의 광학이방성 물질층의 굴절율이방성을 △n, 광축의 트위스트피치길이를 P로 하면, △n×P의 값이 가시의 파장범위보다 작은 것을 특징으로 하는 액정표시 소자.
- 제1항 또는 제2항에 있어서, 광학이방소자의 광학이방성물질층이 액정으로 형성되는 것을 특징으로 하는 액정표시소자.
- 제1항 또는 제2항에 있어서, 광학이방소자의 광학이방성 물질층이 고분자층으로 형성되는 것을 특징으로 하는 액정표시소자.
- 제1항 또는 제2항에 있어서, 한계값 전압의 인가시 구동용 액정셀의 배열상태는 액정분자의 틸트각이 배향면 부근과 중앙부근에서 다르고, 또, 트위스트각은 액정층의 두께에 대해서 비선형으로 배열하고 있는 것을 특징으로 하는 액정표시소자.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP91-038044 | 1991-02-07 | ||
JP3804491 | 1991-02-07 | ||
JP4010559A JP2721284B2 (ja) | 1991-02-07 | 1992-01-24 | 液晶表示素子および光学異方素子 |
JP92-010559 | 1992-01-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920016892A true KR920016892A (ko) | 1992-09-25 |
KR960006742B1 KR960006742B1 (ko) | 1996-05-23 |
Family
ID=26345852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019920001857A KR960006742B1 (ko) | 1991-02-07 | 1992-02-07 | 액정표시소자 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5241408A (ko) |
EP (1) | EP0498614B1 (ko) |
JP (1) | JP2721284B2 (ko) |
KR (1) | KR960006742B1 (ko) |
DE (1) | DE69210638T2 (ko) |
TW (1) | TW209894B (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100685569B1 (ko) * | 2003-05-09 | 2007-02-22 | 세이코 엡슨 가부시키가이샤 | 시각 제어 소자, 표시 장치, 및 전자 기기 |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW229279B (ko) * | 1992-06-18 | 1994-09-01 | Casio Computer Co Ltd | |
US5583678A (en) * | 1993-03-12 | 1996-12-10 | Casio Computer Co., Ltd. | Color liquid crystal display apparatus |
EP0628847B1 (en) * | 1993-06-02 | 1998-10-07 | Nippon Oil Company, Limited | Liquid crystalline polymer film, process for producing same, and utilization thereof |
US5594568A (en) * | 1993-12-15 | 1997-01-14 | Ois Optical Imaging Systems, Inc. | LCD with a pair of retardation films on one side of normally white liquid crystal layer |
US5570214A (en) * | 1993-12-15 | 1996-10-29 | Ois Optical Imaging Systems, Inc. | Normally white twisted nematic LCD with retardation films on opposite sides of liquid crystal material for improved viewing zone |
US5576861A (en) * | 1993-12-15 | 1996-11-19 | Ois Optical Imaging Systems, Inc. | Liquid crystal display having a retarder with 100-200nm retardation and having high contrast viewing zone centered in positive or negative vertical region |
US5907378A (en) * | 1993-12-15 | 1999-05-25 | Ois Optical Imaging Systems, Inc. | Normally white twisted nematic liquid crystal display including retardation films for improving viewing characteristics |
KR100309766B1 (ko) * | 1994-01-24 | 2001-12-15 | 김순택 | 필름형보상셀을구비한액정디스플레이및그의제조방법 |
US5745200A (en) * | 1994-04-28 | 1998-04-28 | Casio Computer Co., Ltd. | Color liquid crystal display device and liquid crystal display apparatus |
KR100415334B1 (ko) * | 1994-08-23 | 2004-08-30 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 액정디스플레이장치및지연호일 |
WO1996006379A2 (en) * | 1994-08-23 | 1996-02-29 | Philips Electronics N.V. | Liquid crystal display device and retardation foil |
US5638200A (en) * | 1995-02-03 | 1997-06-10 | Ois Optical Imaging Systems, Inc. | Liquid crystal display with tilted retardation film |
TW330986B (en) * | 1995-07-25 | 1998-05-01 | Toshiba Co Ltd | LCD element and optically anisotropic element |
JP3074640B2 (ja) * | 1995-12-22 | 2000-08-07 | インターナショナル・ビジネス・マシーンズ・コーポレ−ション | 液晶表示装置の駆動方法 |
US5926241A (en) * | 1997-02-24 | 1999-07-20 | Rockwell International Corporation | Photo-patterned compensator with thin film having optically birefringent and isotropic regions and method of manufacturing for a liquid crystal display |
JP4088042B2 (ja) * | 2001-01-16 | 2008-05-21 | 株式会社日立製作所 | 液晶表示装置 |
DE60230707D1 (de) * | 2001-09-25 | 2009-02-26 | Merck Patent Gmbh | Anisotroper Polymerfilm |
JP2003121641A (ja) * | 2001-10-10 | 2003-04-23 | Nitto Denko Corp | 積層位相差板、偏光部材及び液晶表示装置 |
JP2003121642A (ja) | 2001-10-10 | 2003-04-23 | Nitto Denko Corp | 広視角偏光板及び液晶表示装置 |
US7202926B2 (en) * | 2002-08-26 | 2007-04-10 | Dai Nippon Printing Co., Ltd. | Cholesteric reflective retardation optical element with directors at top surface of optical element parallel to those at the bottom surface of the optical element |
KR101725485B1 (ko) * | 2009-12-24 | 2017-04-12 | 엘지디스플레이 주식회사 | 액정표시패널, 백라이트유닛 및 액정표시장치 |
KR102442852B1 (ko) * | 2018-09-04 | 2022-09-14 | 주식회사 엘지화학 | 투과도 가변 디바이스 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS5670524A (en) * | 1979-11-13 | 1981-06-12 | Sharp Corp | Twisted nematic liquid crystal display unit |
EP0795773B1 (en) * | 1986-05-19 | 2001-10-31 | Seiko Epson Corporation | A liquid crystal display device |
JPS6353528A (ja) * | 1986-08-25 | 1988-03-07 | Tamuron:Kk | 光フアイバを用いた光学装置 |
JP2537608B2 (ja) * | 1986-12-15 | 1996-09-25 | セイコーエプソン株式会社 | 液晶表示装置 |
JPS63271415A (ja) * | 1987-04-30 | 1988-11-09 | Seiko Epson Corp | 液晶表示装置 |
JPS6425131A (en) * | 1987-07-22 | 1989-01-27 | Matsushita Electric Ind Co Ltd | Liquid crystal display device |
JPS6444418A (en) * | 1987-08-12 | 1989-02-16 | Matsushita Electric Ind Co Ltd | Liquid crystal display device |
EP0311339B1 (en) * | 1987-10-07 | 1995-09-20 | Matsushita Electric Industrial Co., Ltd. | Liquid crystal display |
DE3887436T2 (de) * | 1987-10-13 | 1994-05-11 | Fujitsu Ltd | Flüssigkristall-Anzeigetafel. |
JPH01100517A (ja) * | 1987-10-13 | 1989-04-18 | Fujitsu Ltd | 液晶表示パネル |
JPH0222A (ja) * | 1987-10-13 | 1990-01-05 | Fujitsu Ltd | 液晶表示パネル |
JP2777369B2 (ja) * | 1987-11-25 | 1998-07-16 | シャープ株式会社 | 液晶表示素子 |
JPH07117664B2 (ja) * | 1987-12-03 | 1995-12-18 | シャープ株式会社 | 液晶表示装置 |
JPH01206318A (ja) * | 1988-02-03 | 1989-08-18 | Matsushita Electric Ind Co Ltd | 液晶表示装置 |
JPH01246522A (ja) * | 1988-03-29 | 1989-10-02 | Seiko Epson Corp | 電気光学素子 |
JPH0769537B2 (ja) * | 1988-07-04 | 1995-07-31 | スタンレー電気株式会社 | 異方性補償ねじれネマチック液晶表示装置 |
JP2598495B2 (ja) * | 1988-11-21 | 1997-04-09 | シャープ株式会社 | 液晶表示装置の駆動方法 |
JPH0289432U (ko) * | 1988-12-27 | 1990-07-16 | ||
JPH02256019A (ja) * | 1989-03-29 | 1990-10-16 | Matsushita Electric Ind Co Ltd | 液晶表示装置 |
JPH02262124A (ja) * | 1989-03-31 | 1990-10-24 | Sharp Corp | 二層型液晶表示装置 |
JP2972892B2 (ja) * | 1989-05-15 | 1999-11-08 | 株式会社リコー | 液晶表示素子 |
US5187603A (en) * | 1990-06-26 | 1993-02-16 | Tektronix, Inc. | High contrast light shutter system |
-
1992
- 1992-01-24 JP JP4010559A patent/JP2721284B2/ja not_active Expired - Fee Related
- 1992-02-01 TW TW081100802A patent/TW209894B/zh not_active IP Right Cessation
- 1992-02-04 DE DE69210638T patent/DE69210638T2/de not_active Expired - Fee Related
- 1992-02-04 EP EP92300929A patent/EP0498614B1/en not_active Expired - Lifetime
- 1992-02-04 US US07/830,679 patent/US5241408A/en not_active Expired - Lifetime
- 1992-02-07 KR KR1019920001857A patent/KR960006742B1/ko not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100685569B1 (ko) * | 2003-05-09 | 2007-02-22 | 세이코 엡슨 가부시키가이샤 | 시각 제어 소자, 표시 장치, 및 전자 기기 |
US7400367B2 (en) | 2003-05-09 | 2008-07-15 | Seiko Epson Corporation | Viewing angle control element, display device, and electronic apparatus |
Also Published As
Publication number | Publication date |
---|---|
KR960006742B1 (ko) | 1996-05-23 |
JPH0540277A (ja) | 1993-02-19 |
DE69210638D1 (de) | 1996-06-20 |
EP0498614B1 (en) | 1996-05-15 |
US5241408A (en) | 1993-08-31 |
EP0498614A2 (en) | 1992-08-12 |
EP0498614A3 (en) | 1992-12-02 |
TW209894B (ko) | 1993-07-21 |
JP2721284B2 (ja) | 1998-03-04 |
DE69210638T2 (de) | 1996-11-14 |
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