KR960705251A - 키랄 네마틱 액정 조성물 및 그것을 포함하는 장치(chiral nematic liquid crystal composition and devices comprising the same) - Google Patents
키랄 네마틱 액정 조성물 및 그것을 포함하는 장치(chiral nematic liquid crystal composition and devices comprising the same) Download PDFInfo
- Publication number
- KR960705251A KR960705251A KR1019960701860A KR19960701860A KR960705251A KR 960705251 A KR960705251 A KR 960705251A KR 1019960701860 A KR1019960701860 A KR 1019960701860A KR 19960701860 A KR19960701860 A KR 19960701860A KR 960705251 A KR960705251 A KR 960705251A
- Authority
- KR
- South Korea
- Prior art keywords
- liquid crystal
- crystal material
- light
- reflection band
- polymer
- 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
- C09K19/54—Additives having no specific mesophase characterised by their chemical composition
- C09K19/542—Macromolecular compounds
- C09K19/544—Macromolecular compounds as dispersing or encapsulating medium around the liquid crystal
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
- H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
- H04N5/7441—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being an array of liquid crystal 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
- G02F1/137—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
- G02F1/13756—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 the liquid crystal selectively assuming a light-scattering state
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Nonlinear Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Substances (AREA)
Abstract
본 발명은 오프(off)-상태에서 종이-백색을 갖고, 온(on)-상태에서 고도의 투명성을 가질 수 있는 키랄 네마틱 액정-중합체 조성물에 관한 것이다. 본 발명의 조성물은 일반적으로, 광 밸브, 특히 직접 가시 및 투사 디스플레이에서 사용하는데 적합하다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1a도 및 1b도는 각각 본 발명이 광 밸브의 파워 및 비파워 상태를 도시한 도면,
제1c도는 비파워 상태의 바람직한 구체예를 도시한 도면.
Claims (8)
- 매트릭스 중합체; 매트릭스 중합체내에 다량으로 분산되어 있는, 키랄 네마틱이고, 양성적으로 유전체적인 이방성을 가지며, 특유한 반사 밴드를 가지는 제1액정 물질; 및 매트릭스 중합체내에 또한, 다량으로 분산되어 있는 키랄 네마틱이고, 양성적으로 유전체적인 이방성을 가지며, 제1액정 물질과는 상이한 특유한 반사 밴드를 가지는 1개 이상의 추가적인 액정 물질을 포함하는 액정-중합체 조성물로서, 전기장이 충분히 존재하지 않는 경우, 입사광을 반사 및 산란시키고, 전기장이 충분히 존재하는 경우, 실질적으로 입사광을 투과시키는 것을 특징으로 하는 액정-중합체 조성물.
- 제1항에 있어서, 제1액정 물질 및 1개 이상의 추가적인 액정 물질의 정상 굴절 지수 no이, 매트릭스 중합체의 굴절 지수np와 실질적으로 동일한 것을 특징으로 하는 액정-중합체 조성물.
- 제1항에 있어서, 제1액정 물질 및 1개 이상의 추가적인 액정 물질의 결합된 반사 밴드로 인해 액정-중합체 조성물이 400 내지 700mm에서 결합된 반사밴드를 가지는 것을 특징으로 하는 액정-중합체 조성물.
- 제1항에 있어서, 가시 스펙트럼의 적색 영역에서 반사 밴드를 가지는 제1액정 물질 및 2개의 추가 액정 물질을 가지는 액정-중합체 조성물로서, 상기 추가 액정 물질중 하나는 가시 스펙트럼의 녹색 영역에서 반사 밴드를 가지고, 다른 하나는 가시 스펙트럼 영역의 청색 영역에서 반사 밴드를 가지는 것을 특징으로 하는 액정-중합체 조성물.
- 제1항에 있어서, 다량인 제1액정 물질 및 1개 이상의 추가 액정 물질이, 각각 일정량의 우회전성 키랄리티를 가지는 액정 물질 및 일정량의 좌회전성 키랄리티를 가지는 액정 물질로 포함하는 것을 특징으로 하는 액정-중합체 조성물.
- (a)간격을 두고 우치한 제1 및 제2투명성 전극 및 (b)매트릭스 중합체; 매트릭스 중합체내에 다량으로 분산되어 있는, 카랄 네마틱이고, 양성적으로 유전체적인 이방성을 가지며, 특유한 반사 밴드를 가지는 제1액정물질; 및 매트릭스 중합체내에 다량으로 분산되어 있는, 키랄 네마틱이고, 양성적으로 유전체적인 이방성이며, 제1액정 물질과는 다른 특유한 반사 밴드를 가지는 1개 이상의 추가적인 액정 물질을 포함하는 액정-중합체 조성물로서, 제1전극 및 제2전극 사이에 위치하여, 전기장이 충분히 존재하지 않는 경우, 1개 이상의 입사광을 반사 및 산란시키고, 전기장이 충분히 존재하는 경우, 실질적으로 입사광을 투과시키는 것을 특징으로 하는 액정-중합체 조성물을 포함하는 액정 광 밸브.
- (a)빛을 생성하는 광원; (b)스크린에 빛을 투사하는 렌즈; 및 (c)매트릭스 중합체; 매트릭스 중합체내에 다량으로 분산되어 있는, 키랄 네마틱이고, 양성적으로 유전체적인 이방성을 가지는, 특유한 빈사 밴드를 가지는 제1액정 물질; 및 매트릭스 중합체내에 다량으로 분산되어 있는, 키랄 네마틱이고, 양성적으로 유전체적인 이방성을 가지며, 제1액정 물질과는 다른 특유한 반사 밴드를 가지는 다량의 1개 이상의 추가적인 액정 물질을 포함하는 액정 중합체 조성물로서, 렌즈에 도달하는 광량을 조절하기 위해 광원 및 렌즈 사이에 위치하여, 전기장이 충분히 존재하지 않는 경우, 1개 이상의 입사광을 반사 및 산란시키고, 전기장이 충분히 존재하는 경우, 실질적으로 입사광을 투과시키는 것을 특징으로 하는 액정-중합체 조성물을 포함하는 투사기.
- (a)흡광기 및 (b)디스플레이의 관점상, 및 흡광기 및 관점으로부터의 디스플레이상에 입사되는 입사광 사이에 위치하여, 입사광을 흡광기에 도달시켜 흡수시킬 것인지, 1개 이상의 입사광을 관점의 반대 방향으로 반사 또는 산란시킬 것인지를 조절하는 액정-중합체 조성물이, 매트릭스 중합체; 매트릭스 중합체내의 다량으로 분산되어 있는, 키랄 네마틱이고, 양성적으로 유전체적인 이방성을 가지며, 특유한 반사 밴드를 가지는 제1액정 물질; 및 매트릭스 중합체내에 다량으로 분사되어 있는, 키랄 네마틱이고, 양성적으로 유전체적인 이방성을 가지며, 제1액정 물질과는 다른 특유한 반사 밴드를 가지는 1개 이상의 추가적인 액정 물질을 포함하는 액정-중합체 조성물로서, 전기장이 충분히 존재하지 않는 경우, 1개 이상의 입사광을 반사 및 산란시키고, 전기장이 충분히 존재하는 경우, 실질적으로 이사광을 투과시키는 것을 특징으로 하는 액정 중합체 조성물을 포함하는 디스플레이.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/139,382 | 1993-10-18 | ||
US08/139,382 US5463482A (en) | 1993-10-18 | 1993-10-18 | Liquid crystal composite with droplets of plural chiral nematic materials with different reflection bands |
US08/139382 | 1993-10-18 | ||
PCT/US1994/010865 WO1995011475A1 (en) | 1993-10-18 | 1994-09-26 | Chiral nematic liquid crystal composition and devices comprising the same |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960705251A true KR960705251A (ko) | 1996-10-09 |
KR100320157B1 KR100320157B1 (ko) | 2002-09-26 |
Family
ID=22486364
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960701860A KR100320157B1 (ko) | 1993-10-18 | 1994-09-26 | 키랄네마틱액정복합체 및 이를 포함하는장치 |
Country Status (8)
Country | Link |
---|---|
US (1) | US5463482A (ko) |
EP (1) | EP0760964B1 (ko) |
JP (1) | JP3490086B2 (ko) |
KR (1) | KR100320157B1 (ko) |
AT (1) | ATE194718T1 (ko) |
CA (1) | CA2171826C (ko) |
DE (1) | DE69425281T2 (ko) |
WO (1) | WO1995011475A1 (ko) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19528106A1 (de) * | 1995-02-03 | 1996-08-08 | Merck Patent Gmbh | Elektrooptische Flüssigkristallanzeige |
US5993691A (en) * | 1995-02-03 | 1999-11-30 | Merck Patent Gesellschaft Mit | Electro-optical liquid crystal display |
US6061107A (en) * | 1996-05-10 | 2000-05-09 | Kent State University | Bistable polymer dispersed cholesteric liquid crystal displays |
DE19803112A1 (de) | 1997-03-14 | 1998-09-17 | Merck Patent Gmbh | Elektrooptische Flüssigkristallanzeige |
WO1998044382A1 (en) * | 1997-03-28 | 1998-10-08 | Fergason James L | Microencapsulated liquid crystal and a method and system for using same |
US6236442B1 (en) * | 1998-09-03 | 2001-05-22 | Eastman Kodak Company | Method of making liquid crystal display having patterned conductive images |
US6570633B1 (en) * | 1999-06-21 | 2003-05-27 | Eastman Kodak Company | Multi-layer neutral density sheet having a plurality of light-modulating layers with memory properties |
US6359673B1 (en) * | 1999-06-21 | 2002-03-19 | Eastman Kodak Company | Sheet having a layer with different light modulating materials |
US7042486B2 (en) * | 1999-11-30 | 2006-05-09 | Eastman Kodak Company | Image capture and display device |
US7420585B2 (en) * | 1999-11-30 | 2008-09-02 | Eastman Kodak Company | Image capture and display device |
EP1202109A1 (fr) * | 2000-10-24 | 2002-05-02 | Asulab S.A. | Dispositif d'affichage à cristaux liquides à coefficient de réflexion de la lumière élevé |
US7173649B1 (en) * | 2001-06-01 | 2007-02-06 | Shannon Thomas D | Video airship |
TW574586B (en) * | 2001-09-19 | 2004-02-01 | Optrex Kk | Liquid crystal display element |
JP4514453B2 (ja) * | 2001-12-11 | 2010-07-28 | 富士通株式会社 | 表示装置及びその駆動方法 |
KR101155335B1 (ko) * | 2005-01-07 | 2012-06-11 | 엘지전자 주식회사 | 이동통신 단말기의 멀티미디어 메시지 동작방법 |
Family Cites Families (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3551026A (en) * | 1965-04-26 | 1970-12-29 | Rca Corp | Control of optical properties of materials with liquid crystals |
US3627408A (en) * | 1965-06-29 | 1971-12-14 | Westinghouse Electric Corp | Electric field device |
US3650603A (en) * | 1967-12-05 | 1972-03-21 | Rca Corp | Liquid crystal light valve containing a mixture of nematic and cholesteric materials in which the light scattering effect is reduced when an electric field is applied |
US3734597A (en) * | 1968-02-23 | 1973-05-22 | Ncr Co | Process for producing a color state in a display device |
US3600060A (en) * | 1968-02-23 | 1971-08-17 | Ncr Co | Display device containing minute droplets of cholesteric liquid crystals in a substantially continuous polymeric matrix |
US3578844A (en) * | 1968-02-23 | 1971-05-18 | Ncr Co | Radiation sensitive display device containing encapsulated cholesteric liquid crystals |
US3620889A (en) * | 1968-06-11 | 1971-11-16 | Vari Light Corp | Liquid crystal systems |
US3600064A (en) * | 1968-09-16 | 1971-08-17 | Minnesota Mining & Mfg | Portable magnifier with a radioluminous light source |
US3585381A (en) * | 1969-04-14 | 1971-06-15 | Ncr Co | Encapsulated cholesteric liquid crystal display device |
US3697297A (en) * | 1970-10-22 | 1972-10-10 | Ncr Co | Gelatin-gum arabic capsules containing cholesteric liquid crystal material and dispersions of the capsules |
US3720623A (en) * | 1971-02-08 | 1973-03-13 | Ncr | Encapsulated liquid crystals |
US3703331A (en) * | 1971-11-26 | 1972-11-21 | Rca Corp | Liquid crystal display element having storage |
US3852092A (en) * | 1972-06-05 | 1974-12-03 | J Patterson | Thermally responsive elastic membrane |
US3872050A (en) * | 1972-07-19 | 1975-03-18 | William J Benton | Polyurethane liquid crystal dispersion system and devices |
US4101207A (en) * | 1973-02-12 | 1978-07-18 | Owens-Illinois, Inc. | Preparation of liquid crystal containing polymeric structure |
US3935337A (en) * | 1973-02-12 | 1976-01-27 | Owens-Illinois, Inc. | Preparation of liquid crystal containing polymeric structure |
US4087575A (en) * | 1974-10-16 | 1978-05-02 | Bichara Kamal F | Liquid crystal film |
US4182700A (en) * | 1976-07-20 | 1980-01-08 | Benton William J | Elastomeric polyurethane film containing dispersed discrete aggregates of liquid crystal and method of making the same |
US4161557A (en) * | 1978-03-23 | 1979-07-17 | Liquid Crystal Products, Inc. | Polyvinyl butyral-liquid crystal film-forming composition and film |
US4501503A (en) * | 1979-06-04 | 1985-02-26 | Vectra International Corporation | Thermographic cholesteric coating compositions and plates |
US4433637A (en) * | 1979-06-04 | 1984-02-28 | Vectra International Corporation | Microencapsulated cholesteric liquid crystal temperature measuring device for determining the temperature of non-planar or planar surfaces |
US4246302A (en) * | 1979-06-27 | 1981-01-20 | Benton William J | Multi-band liquid crystal film laminate |
US4310557A (en) * | 1980-12-01 | 1982-01-12 | Eastman Kodak Company | Food emulsifiers |
US4435047A (en) * | 1981-09-16 | 1984-03-06 | Manchester R & D Partnership | Encapsulated liquid crystal and method |
US4596446B2 (en) * | 1982-06-29 | 1997-03-18 | Secr Defence Brit | Liquid crystal devices with particular cholestric pitch-cell thickness ratio |
US4581608A (en) * | 1983-06-13 | 1986-04-08 | General Electric Company | Multi-color liquid crystal display and system |
JPS60191203A (ja) * | 1984-03-12 | 1985-09-28 | Matsushita Electric Ind Co Ltd | 光学フイルタ |
US4688901A (en) * | 1984-06-11 | 1987-08-25 | Johnson Light Valve Inc. | Liquid crystal light valve method and apparatus using right and left-handed twist cholesteric liquid crystal |
US5168380A (en) * | 1985-03-01 | 1992-12-01 | Manchester R & D Partnership An Ohio Limited Partnership | Multiple containment mediums of operationally nematic liquid crystal responsive to a prescribed input |
US5018840A (en) * | 1985-07-31 | 1991-05-28 | Matsushita Electric Industrial Co., Ltd. | Image display device having a photosetting binder |
WO1989002093A1 (en) * | 1987-08-24 | 1989-03-09 | Molecular Control Corporation | Liquid crystal micelles, display, having concentric spheres |
DE4007039A1 (de) * | 1989-04-07 | 1990-10-11 | Merck Patent Gmbh | Elektrooptisches fluessigkristallsystem |
US5223959A (en) * | 1989-07-17 | 1993-06-29 | Polytronix, Inc. | Red, blue and green serial encapsulated liquid crystal display and driving method |
US5021188A (en) * | 1989-09-22 | 1991-06-04 | General Motors Corporation | Polymer dispersed liquid crystal films formed by electron beam curing |
US5200845A (en) * | 1989-10-31 | 1993-04-06 | University Of Hawaii At Manoa | Color liquid crystal display consisting of polymer-dispersed chiral liquid crystal having negative dielectric anisotropy |
JPH0580302A (ja) * | 1991-09-21 | 1993-04-02 | Semiconductor Energy Lab Co Ltd | 液晶電気光学装置 |
JP2807591B2 (ja) * | 1992-03-06 | 1998-10-08 | シャープ株式会社 | ポリマー分散型液晶表示素子及び反射型液晶表示装置 |
ATE179259T1 (de) * | 1992-05-18 | 1999-05-15 | Univ Kent State Ohio | Flüssigkristalline, lichtmodulierende vorrichtung und material |
US5333072A (en) * | 1992-12-31 | 1994-07-26 | Minnesota Mining And Manufacturing Company | Reflective liquid crystal display overhead projection system using a reflective linear polarizer and a fresnel lens |
-
1993
- 1993-10-18 US US08/139,382 patent/US5463482A/en not_active Expired - Lifetime
-
1994
- 1994-09-26 WO PCT/US1994/010865 patent/WO1995011475A1/en active IP Right Grant
- 1994-09-26 EP EP94930478A patent/EP0760964B1/en not_active Expired - Lifetime
- 1994-09-26 AT AT94930478T patent/ATE194718T1/de not_active IP Right Cessation
- 1994-09-26 JP JP51183395A patent/JP3490086B2/ja not_active Expired - Lifetime
- 1994-09-26 DE DE69425281T patent/DE69425281T2/de not_active Expired - Lifetime
- 1994-09-26 KR KR1019960701860A patent/KR100320157B1/ko not_active IP Right Cessation
- 1994-09-26 CA CA002171826A patent/CA2171826C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2171826C (en) | 2007-02-20 |
EP0760964A1 (en) | 1997-03-12 |
WO1995011475A1 (en) | 1995-04-27 |
ATE194718T1 (de) | 2000-07-15 |
DE69425281D1 (de) | 2000-08-17 |
JP3490086B2 (ja) | 2004-01-26 |
JPH09503873A (ja) | 1997-04-15 |
EP0760964B1 (en) | 2000-07-12 |
KR100320157B1 (ko) | 2002-09-26 |
US5463482A (en) | 1995-10-31 |
CA2171826A1 (en) | 1995-04-27 |
DE69425281T2 (de) | 2001-03-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR960705251A (ko) | 키랄 네마틱 액정 조성물 및 그것을 포함하는 장치(chiral nematic liquid crystal composition and devices comprising the same) | |
EP1004924B1 (en) | Liquid crystal display | |
US5796454A (en) | Cholesteric liquid crystal display employing circular polarizer and methods of operation and manufacture therefor | |
US5193015A (en) | Cholesteric liquid crystal screen which reflects substantially all of the projected light | |
US5490003A (en) | Reflective liquid crystal display device with twist angle between 50° and 68° and the polarizer at the bisectrix | |
US7583335B2 (en) | Liquid crystal display device | |
EP0362776A2 (en) | Projection type active matrix liquid crystal display device | |
KR100348993B1 (ko) | 액정 표시장치 | |
RU2139559C1 (ru) | Жидкокристаллический дисплей | |
US5812229A (en) | Holographic reflective color liquid crystal display device | |
US5691790A (en) | Colored liquid crystal display having a reflector which reflects different wavelengths of light for different incident angles | |
JP2005534989A (ja) | 反射透過型液晶表示装置 | |
JPH06130424A (ja) | 液晶表示装置 | |
JP2803214B2 (ja) | 液晶樹脂複合体、アクティブマトリクス液晶表示素子、及び投射型アクティブマトリクス液晶表示装置 | |
KR100265248B1 (ko) | 반사형액정표시장치 | |
JPH0618861A (ja) | 液晶表示装置 | |
JP2932645B2 (ja) | 投射型表示装置及び照明装置 | |
KR930703623A (ko) | 광 산란 전광 소자를 갖는 디스플레이 | |
JPH1152412A (ja) | 反射型液晶表示素子 | |
KR20010099533A (ko) | 반투과형 액정표시장치 | |
JPH0465369B2 (ko) | ||
JPS60133424A (ja) | 液晶を利用した多色表示装置 | |
JP2002372710A (ja) | 液晶表示装置 | |
JPH0394225A (ja) | 投射型カラー液晶表示装置 | |
JPH09281489A (ja) | 反射型表示装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
N231 | Notification of change of applicant | ||
FPAY | Annual fee payment |
Payment date: 20121210 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20131210 Year of fee payment: 13 |
|
EXPY | Expiration of term |