DE3380354D1 - Helichromic-smectic liquid crystal compositions and display cells - Google Patents
Helichromic-smectic liquid crystal compositions and display cellsInfo
- Publication number
- DE3380354D1 DE3380354D1 DE8383306409T DE3380354T DE3380354D1 DE 3380354 D1 DE3380354 D1 DE 3380354D1 DE 8383306409 T DE8383306409 T DE 8383306409T DE 3380354 T DE3380354 T DE 3380354T DE 3380354 D1 DE3380354 D1 DE 3380354D1
- Authority
- DE
- Germany
- Prior art keywords
- helichromic
- liquid crystal
- display cells
- smectic liquid
- crystal compositions
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000004990 Smectic liquid crystal Substances 0.000 title 1
- 239000000203 mixture Substances 0.000 title 1
Classifications
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- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
- C07C205/06—Compounds containing nitro groups bound to a carbon skeleton having nitro groups bound to carbon atoms of six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F3/00—Compounds containing elements of Groups 2 or 12 of the Periodic Table
- C07F3/02—Magnesium compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
- C09B1/16—Amino-anthraquinones
- C09B1/20—Preparation from starting materials already containing the anthracene nucleus
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
- C09B1/50—Amino-hydroxy-anthraquinones; Ethers and esters thereof
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
- C09B1/50—Amino-hydroxy-anthraquinones; Ethers and esters thereof
- C09B1/54—Amino-hydroxy-anthraquinones; Ethers and esters thereof etherified
- C09B1/542—Anthraquinones with aliphatic, cycloaliphatic, araliphatic or aromatic ether groups
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
- C09B1/56—Mercapto-anthraquinones
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B19/00—Oxazine dyes
- C09B19/02—Bisoxazines prepared from aminoquinones
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
- C09B23/0091—Methine or polymethine dyes, e.g. cyanine dyes having only one heterocyclic ring at one end of the methine chain, e.g. hemicyamines, hemioxonol
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
- C09B23/10—The polymethine chain containing an even number of >CH- groups
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
- C09B23/10—The polymethine chain containing an even number of >CH- groups
- C09B23/105—The polymethine chain containing an even number of >CH- groups two >CH- groups
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
- C09B23/10—The polymethine chain containing an even number of >CH- groups
- C09B23/107—The polymethine chain containing an even number of >CH- groups four >CH- groups
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B29/00—Monoazo dyes prepared by diazotising and coupling
- C09B29/0003—Monoazo dyes prepared by diazotising and coupling from diazotized anilines
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B29/00—Monoazo dyes prepared by diazotising and coupling
- C09B29/06—Monoazo dyes prepared by diazotising and coupling from coupling components containing amino as the only directing group
- C09B29/08—Amino benzenes
- C09B29/0805—Amino benzenes free of acid groups
- C09B29/0807—Amino benzenes free of acid groups characterised by the amino group
- C09B29/0809—Amino benzenes free of acid groups characterised by the amino group substituted amino group
- C09B29/081—Amino benzenes free of acid groups characterised by the amino group substituted amino group unsubstituted alkylamino, alkenylamino, alkynylamino, cycloalkylamino, aralkylamino or arylamino
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B29/00—Monoazo dyes prepared by diazotising and coupling
- C09B29/10—Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group
- C09B29/103—Monoazo dyes prepared by diazotising and coupling from coupling components containing hydroxy as the only directing group of the naphthalene series
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B29/00—Monoazo dyes prepared by diazotising and coupling
- C09B29/24—Monoazo dyes prepared by diazotising and coupling from coupling components containing both hydroxyl and amino directing groups
- C09B29/28—Amino naphthols
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B29/00—Monoazo dyes prepared by diazotising and coupling
- C09B29/34—Monoazo dyes prepared by diazotising and coupling from other coupling components
- C09B29/36—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
- C09B31/02—Disazo dyes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
- C09B31/16—Trisazo dyes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
- C09B33/02—Disazo dyes
- C09B33/04—Disazo dyes in which the coupling component is a dihydroxy or polyhydroxy compound
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B5/00—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
- C09B5/24—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position
- C09B5/2409—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position not provided for in one of the sub groups C09B5/26 - C09B5/62
- C09B5/2436—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position not provided for in one of the sub groups C09B5/26 - C09B5/62 only nitrogen-containing hetero rings
- C09B5/2445—Phtaloyl isoindoles
- C09B5/2454—5,6 phtaloyl dihydro isoindoles
- C09B5/2463—1,3 oxo or imino derivatives
- C09B5/2472—1,3 dioxo derivatives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B56/00—Azo dyes containing other chromophoric systems
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B57/00—Other synthetic dyes of known constitution
-
- 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
- C09K19/60—Pleochroic dyes
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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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Liquid Crystal (AREA)
- Plural Heterocyclic Compounds (AREA)
- Liquid Crystal Substances (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/436,030 US4514045A (en) | 1981-06-22 | 1982-10-22 | Helichromic-smectic liquid crystal compositions and display cells |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3380354D1 true DE3380354D1 (en) | 1989-09-14 |
Family
ID=23730814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8383306409T Expired DE3380354D1 (en) | 1982-10-22 | 1983-10-21 | Helichromic-smectic liquid crystal compositions and display cells |
Country Status (8)
Country | Link |
---|---|
US (1) | US4514045A (de) |
EP (1) | EP0107492B1 (de) |
JP (1) | JPS5993777A (de) |
KR (1) | KR910004825B1 (de) |
AU (1) | AU568096B2 (de) |
CA (1) | CA1200970A (de) |
DE (1) | DE3380354D1 (de) |
FI (1) | FI79132C (de) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5887535A (ja) * | 1981-11-20 | 1983-05-25 | Sony Corp | 液晶表示装置 |
JPS6028487A (ja) * | 1983-07-27 | 1985-02-13 | Alps Electric Co Ltd | 液晶組成物 |
DE3333677A1 (de) * | 1983-09-17 | 1985-04-04 | Merck Patent Gmbh, 6100 Darmstadt | Fluessigkristall-phase |
EP0153729B1 (de) * | 1984-02-27 | 1989-05-10 | TDK Corporation | Optischer Aufzeichnungsträger |
EP0162437B1 (de) * | 1984-05-21 | 1990-09-26 | Hitachi, Ltd. | Flüssigkristall-Verbindung und dieselbe enthaltende Flüssigkristallzusammensetzung |
GB2170214A (en) * | 1985-01-26 | 1986-07-30 | Stc Plc | Ferroelectric smectic liquid crystal mixture |
US4764619A (en) * | 1985-03-26 | 1988-08-16 | Asahi Glass Company Ltd. | Optically active compounds, smectic liquid crystal compositions containing them and smectic liquid crystal display devices |
JP2713567B2 (ja) * | 1986-04-04 | 1998-02-16 | 三井東圧化学株式会社 | 光学活性ナフタレン誘導体 |
JP2558803B2 (ja) * | 1988-04-06 | 1996-11-27 | 旭電化工業株式会社 | 光学活性ビスアリール化合物 |
JP2778670B2 (ja) * | 1989-02-17 | 1998-07-23 | 出光興産株式会社 | 液晶組成物 |
US5428137A (en) * | 1992-01-31 | 1995-06-27 | Orient Chemical Industries, Ltd. | Monoazo liquid dye and solutions thereof |
JPH05281581A (ja) * | 1992-09-28 | 1993-10-29 | Canon Inc | 液晶素子 |
EP0613720A1 (de) * | 1993-03-05 | 1994-09-07 | Duphar International Research B.V | Nickel Katalysator für die Cyanierung von aromatischen Halogenverbindungen |
EP0613719A1 (de) * | 1993-03-05 | 1994-09-07 | Duphar International Research B.V | Nickel-Katalysator für die Cyanierung von aromatischen Halogenverbindungen |
US6229514B1 (en) | 1995-11-13 | 2001-05-08 | Array Printers Publ. Ab | Display device and method for visualizing computer generated image information |
US5854614A (en) * | 1996-11-18 | 1998-12-29 | Array Printers Ab Publ. | Display device and method for visualizing computer generated image information |
US5748277A (en) * | 1995-02-17 | 1998-05-05 | Kent State University | Dynamic drive method and apparatus for a bistable liquid crystal display |
US6154190A (en) * | 1995-02-17 | 2000-11-28 | Kent State University | Dynamic drive methods and apparatus for a bistable liquid crystal display |
US6268840B1 (en) | 1997-05-12 | 2001-07-31 | Kent Displays Incorporated | Unipolar waveform drive method and apparatus for a bistable liquid crystal display |
US6133895A (en) * | 1997-06-04 | 2000-10-17 | Kent Displays Incorporated | Cumulative drive scheme and method for a liquid crystal display |
US6005668A (en) * | 1997-07-14 | 1999-12-21 | Henkel Corporation | Detecting defects in plastic and similar surfaces |
US6278430B1 (en) | 1998-03-06 | 2001-08-21 | Array Printers Ab | Thermosensitive display device |
US6268839B1 (en) | 1998-05-12 | 2001-07-31 | Kent State University | Drive schemes for gray scale bistable cholesteric reflective displays |
US6204835B1 (en) | 1998-05-12 | 2001-03-20 | Kent State University | Cumulative two phase drive scheme for bistable cholesteric reflective displays |
GB2337758B (en) * | 1998-05-29 | 2003-07-16 | Sumitomo Chemical Co | Triphenodioxazine compound, method for preparing the same, use of the compound as dichroic dye, and liquid crystal composition |
US6320563B1 (en) | 1999-01-21 | 2001-11-20 | Kent State University | Dual frequency cholesteric display and drive scheme |
US7023409B2 (en) | 2001-02-09 | 2006-04-04 | Kent Displays, Incorporated | Drive schemes for gray scale bistable cholesteric reflective displays utilizing variable frequency pulses |
US7351451B2 (en) * | 2001-08-02 | 2008-04-01 | Fujifilm Corporation | Anthraquinone compound, liquid crystal composition, cell and display device employing the same |
EP1447430A1 (de) * | 2003-02-11 | 2004-08-18 | Clariant International Ltd. | Neue Monoanthrachinonazamethinfarbstoffe |
CN100410347C (zh) * | 2006-09-21 | 2008-08-13 | 青岛科技大学 | 液晶化合物-4’-烯丙氧基-4-偶氮苯羧酸-3-氟-4-氰基苯酯及其制备方法 |
CN100412160C (zh) * | 2006-09-21 | 2008-08-20 | 青岛科技大学 | 液晶化合物-4’-正癸氧基-4-偶氮苯羧酸-3-氟-4-氰基苯酯及其制备方法 |
CN103184053B (zh) * | 2011-12-29 | 2015-03-11 | 苏州汉朗光电有限公司 | 高散射态近晶相液晶材料及其显示器件 |
CN103666482B (zh) * | 2012-09-10 | 2016-05-25 | 苏州汉朗光电有限公司 | 一种近晶a相液晶材料 |
US9758726B2 (en) | 2013-07-12 | 2017-09-12 | Lg Chem, Ltd. | Liquid crystal cell |
KR102487931B1 (ko) * | 2016-10-19 | 2023-01-13 | 메르크 파텐트 게엠베하 | 액정 매질 |
CN112940527B (zh) * | 2019-12-10 | 2023-02-28 | 江苏和成新材料有限公司 | 一种非对称型偶氮染料及其制备方法和应用 |
CN112175627B (zh) * | 2020-09-24 | 2022-04-15 | 北京科技大学 | 一种含芴核弯曲型化合物的蓝相液晶复合材料的制备方法 |
CN117580842A (zh) * | 2021-10-11 | 2024-02-20 | 三菱化学株式会社 | 化合物、包含该化合物的各向异性色素膜用组合物、各向异性色素膜及光学元件 |
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US28806A (en) * | 1860-06-19 | Albeet beotjghton | ||
USRE28806E (en) | 1972-02-24 | 1976-05-11 | Xerox Corporation | Liquid crystal compositions |
US3960751A (en) * | 1973-09-19 | 1976-06-01 | Matsushita Electric Industrial Co., Ltd. | Electro-optical display element |
US3977769A (en) * | 1974-05-31 | 1976-08-31 | Matsushita Electric Industrial Co., Ltd. | Electro-optic device |
JPS50157272A (de) * | 1974-06-10 | 1975-12-19 | ||
JPS5122681A (ja) * | 1974-08-20 | 1976-02-23 | Matsushita Electric Ind Co Ltd | Kongokoresuteritsukuekishozairyo |
US3957348A (en) * | 1975-03-26 | 1976-05-18 | Xerox Corporation | Method for altering elliptically polarized light |
US4145114A (en) * | 1975-06-17 | 1979-03-20 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Pleochroic dyes |
US3973800A (en) * | 1975-08-15 | 1976-08-10 | Allan Sheldon Kogan | Modular furniture units |
US4032470A (en) * | 1975-12-22 | 1977-06-28 | Rca Corporation | Electro-optic device |
FR2356173A1 (fr) * | 1976-06-21 | 1978-01-20 | Gen Electric | Procede pour ameliorer le temps de descente d'un dispositif d'affichage a composition de cristaux liquides nematique en helice |
CH594897A5 (de) * | 1976-06-23 | 1978-01-31 | Bbc Brown Boveri & Cie | |
GB1556311A (en) * | 1976-09-06 | 1979-11-21 | Suwa Seikosha Kk | Liquid crystal composition |
US4179395A (en) * | 1976-09-09 | 1979-12-18 | General Electric Company | Dichroic dyes having a plurality of azo bonding groups |
US4122027A (en) * | 1976-11-08 | 1978-10-24 | General Electric Company | Dichroic liquid crystal composition with 4,4-bis (substituted naphthylazo)azobenzene dichroic dyes |
FR2373076A1 (fr) * | 1976-12-03 | 1978-06-30 | Thomson Csf | Cellule a cristal liquide |
US4105299A (en) * | 1977-04-11 | 1978-08-08 | Minnesota Mining And Manufacturing Company | Electro-optical devices containing methine arylidene dyes |
FR2387271A1 (fr) * | 1977-04-11 | 1978-11-10 | Minnesota Mining & Mfg | Colorants pleochroiques et dispositifs d'affichage electro-optique les utilisant |
US4153343A (en) * | 1977-06-09 | 1979-05-08 | Rca Corporation | Liquid crystal dyestuffs and electro-optic devices incorporating same |
DE2862064D1 (en) * | 1977-10-14 | 1982-11-25 | Bdh Chemicals Ltd | Pleochroic dyes suitable for use in solution with liquid crystal materials for electro-optic device applications |
US4291948A (en) * | 1977-11-10 | 1981-09-29 | International Standard Electric Corporation | Liquid crystal display incorporating positive and negative smectic material |
CH629001A5 (fr) * | 1978-02-06 | 1982-03-31 | Ebauches Sa | Cellule d'affichage electro-optique passif. |
GB1549584A (en) * | 1978-03-02 | 1979-08-08 | Standard Telephones Cables Ltd | Temperature responsive device |
DE2920730A1 (de) * | 1978-05-23 | 1979-11-29 | Minnesota Mining & Mfg | Fluessigkristallsysteme und elektrooptische anzeigen |
JPS5525005A (en) * | 1978-08-09 | 1980-02-22 | Hitachi Ltd | Guest-host type liquid crystal display device |
CH638828A5 (de) * | 1978-12-21 | 1983-10-14 | Bbc Brown Boveri & Cie | Fluessigkristallmischung. |
DE2902177A1 (de) * | 1978-12-21 | 1980-07-17 | Bbc Brown Boveri & Cie | Fluessigkristallmischung |
US4278323A (en) * | 1979-02-12 | 1981-07-14 | The United States Of America As Represented By The Secretary Of The Army | Optical fiber slip ring |
FR2449720A1 (fr) * | 1979-02-23 | 1980-09-19 | Minnesota Mining & Mfg | Composition pour cristaux liquides renfermant un colorant pleochroique et dispositif electro-optique contenant cette composition |
FR2462755A1 (fr) * | 1979-07-27 | 1981-02-13 | Thomson Csf | Dispositif de visualisation a cristal liquide, et terminal telephonique comportant un tel dispositif |
EP0025809A1 (de) * | 1979-09-21 | 1981-04-01 | BBC Aktiengesellschaft Brown, Boveri & Cie. | Flüssigkristallmischung |
EP0044666B1 (de) * | 1980-07-16 | 1985-05-29 | Minnesota Mining And Manufacturing Company | Helichromische Verbindungen und Anzeigezellen |
US4394070A (en) * | 1980-07-16 | 1983-07-19 | Minnesota Mining And Manufacturing Company | Helichromic compounds and displays |
GB2091753B (en) * | 1981-01-23 | 1984-08-22 | Standard Telephones Cables Ltd | Use of 1,4-b15 (hydrocarbylamino) anthraquinos as dyes in the smetic layers of a liquid crystal cell |
US4391492A (en) * | 1981-04-06 | 1983-07-05 | Minnesota Mining And Manufacturing Company | Thermally addressed cholesteric-smectic liquid crystal device |
DE3260456D1 (en) * | 1981-05-21 | 1984-08-30 | Crystaloid Electron | Liquid crystalline materials incorporating dichroic dye and optical displays utilizing same |
-
1982
- 1982-10-22 US US06/436,030 patent/US4514045A/en not_active Expired - Fee Related
-
1983
- 1983-10-04 CA CA000438342A patent/CA1200970A/en not_active Expired
- 1983-10-20 KR KR1019830004955A patent/KR910004825B1/ko not_active IP Right Cessation
- 1983-10-21 AU AU20455/83A patent/AU568096B2/en not_active Expired
- 1983-10-21 JP JP58197488A patent/JPS5993777A/ja active Granted
- 1983-10-21 EP EP83306409A patent/EP0107492B1/de not_active Expired
- 1983-10-21 DE DE8383306409T patent/DE3380354D1/de not_active Expired
- 1983-10-21 FI FI833861A patent/FI79132C/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0107492B1 (de) | 1989-08-09 |
FI833861A0 (fi) | 1983-10-21 |
FI833861A (fi) | 1984-04-23 |
KR840006820A (ko) | 1984-12-03 |
EP0107492A3 (en) | 1985-09-11 |
FI79132C (fi) | 1989-11-10 |
FI79132B (fi) | 1989-07-31 |
EP0107492A2 (de) | 1984-05-02 |
JPH0410514B2 (de) | 1992-02-25 |
JPS5993777A (ja) | 1984-05-30 |
AU2045583A (en) | 1984-05-03 |
KR910004825B1 (ko) | 1991-07-13 |
CA1200970A (en) | 1986-02-25 |
US4514045A (en) | 1985-04-30 |
AU568096B2 (en) | 1987-12-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |