HK2297A - Ferroelectric liquid crystals - Google Patents
Ferroelectric liquid crystalsInfo
- Publication number
- HK2297A HK2297A HK2297A HK2297A HK2297A HK 2297 A HK2297 A HK 2297A HK 2297 A HK2297 A HK 2297A HK 2297 A HK2297 A HK 2297A HK 2297 A HK2297 A HK 2297A
- Authority
- HK
- Hong Kong
- Prior art keywords
- liquid crystals
- ferroelectric liquid
- ferroelectric
- crystals
- liquid
- Prior art date
Links
Classifications
-
- 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
- C09K19/02—Liquid crystal materials characterised by optical, electrical or physical properties of the components, in general
-
- 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
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/06—Non-steroidal liquid crystal compounds
- C09K19/34—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring
- C09K19/3441—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having nitrogen as hetero atom
- C09K19/345—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having nitrogen as hetero atom the heterocyclic ring being a six-membered aromatic ring containing two nitrogen atoms
- C09K19/3458—Uncondensed pyrimidines
- C09K19/3463—Pyrimidine with a carbon chain containing at least one asymmetric carbon atom, i.e. optically active pyrimidines
-
- 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
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/06—Non-steroidal liquid crystal compounds
- C09K19/34—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring
- C09K19/3402—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having oxygen as hetero atom
-
- 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
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/06—Non-steroidal liquid crystal compounds
- C09K19/34—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring
- C09K19/3402—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having oxygen as hetero atom
- C09K2019/3422—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having oxygen as hetero atom the heterocyclic ring being a six-membered ring
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Liquid Crystal Substances (AREA)
- Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
- Liquid Crystal (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH477386 | 1986-11-28 | ||
CH367687 | 1987-09-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
HK2297A true HK2297A (en) | 1997-01-10 |
Family
ID=25693593
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK2297A HK2297A (en) | 1986-11-28 | 1997-01-02 | Ferroelectric liquid crystals |
Country Status (6)
Country | Link |
---|---|
US (1) | US5100577A (ko) |
EP (1) | EP0269963B1 (ko) |
JP (2) | JP2572790B2 (ko) |
KR (1) | KR960006074B1 (ko) |
DE (1) | DE3751089D1 (ko) |
HK (1) | HK2297A (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5244597A (en) * | 1988-05-26 | 1993-09-14 | Hoffmann-La Roche Inc. | Liquid crystalline mixtures having a chiral tilted smectic phase |
US5327273A (en) * | 1989-06-29 | 1994-07-05 | Hoffmann-La Roche Inc. | Bistable ferroelectric liquid crystal display cell |
EP0433836B1 (de) * | 1989-12-19 | 1996-03-27 | F. Hoffmann-La Roche Ag | Halophenyl-substituierte Dioxane |
DE59109167D1 (de) * | 1990-04-26 | 1999-12-23 | Merck Patent Gmbh | 1,3-dioxanderivate und flüssigkristallines medium |
JPH05247026A (ja) * | 1992-03-04 | 1993-09-24 | Mitsubishi Gas Chem Co Inc | ジオキサン系液晶物質 |
Family Cites Families (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2944905A1 (de) * | 1978-12-13 | 1980-10-23 | Werk Fernsehelektronik Veb | Kristallin-fluessige substituierte 1,3-dioxane und diese enthaltende gemische |
US4200580A (en) * | 1979-03-05 | 1980-04-29 | Timex Corporation | Dioxanylphenyl benzoate liquid crystal compounds |
US4344856A (en) * | 1979-12-12 | 1982-08-17 | VEB Werk fur Fernsehelektronik Berlin im VEB Kombinat Mikroelektronik | Crystalline-liquid substituted 1,3-dioxanes and mixtures containing them |
JPS5716879A (en) * | 1980-07-03 | 1982-01-28 | Chisso Corp | 2,5-disubstituted metadioxane |
US4313878A (en) * | 1980-12-03 | 1982-02-02 | Timex Corporation | 4-Substituted phenyl 4'-(5-n-alkyl-1,3-dioxan-2-yl)benzoates |
US4325830A (en) * | 1980-12-24 | 1982-04-20 | Timex Corporation | Three ring dioxane liquid crystalline compounds |
CA1189311A (en) * | 1981-11-09 | 1985-06-25 | Nicholas L. Sethofer | Liquid crystalline chiral compound, compositions and guest-host display including same |
CH655502B (ko) * | 1982-02-17 | 1986-04-30 | ||
DE3207114A1 (de) * | 1982-02-27 | 1983-09-08 | Merck Patent Gmbh, 6100 Darmstadt | 1,3-dioxane |
US4512636A (en) * | 1982-06-15 | 1985-04-23 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdon Of Great Britian And Northern Ireland Of Whitehall | Liquid crystal compounds |
DE3465192D1 (en) * | 1983-03-16 | 1987-09-10 | Hoffmann La Roche | Liquid crystal components having an alkenyl chain |
JPS6028487A (ja) * | 1983-07-27 | 1985-02-13 | Alps Electric Co Ltd | 液晶組成物 |
DE3405914A1 (de) * | 1984-02-18 | 1985-08-22 | Merck Patent Gmbh, 6100 Darmstadt | Fluessigkristalline verbindungen |
FR2561657B1 (fr) * | 1984-03-20 | 1988-02-19 | Thomson Csf | Procede d'obtention d'un cristal liquide smectique c chiral ferroelectrique cristal liquide obtenu par ce procede et dispositif de visualisation utilisant ce cristal liquide |
DE3575158D1 (de) * | 1984-07-12 | 1990-02-08 | Hoffmann La Roche | Fluessigkristalline gemische enthaltend komponenten mit einer 4-alkenyl- oder 2z-alkenyl-seitenkette. |
EP0168683B1 (de) * | 1984-07-16 | 1990-11-28 | F. Hoffmann-La Roche Ag | Flüssigkristalle mit Alkenyl- oder Alkenyloxygruppen |
JPS6187777A (ja) * | 1984-10-05 | 1986-05-06 | Ajinomoto Co Inc | 液晶組成物 |
JPH0726099B2 (ja) * | 1984-11-13 | 1995-03-22 | 英国 | 液晶物質及び装置用に適切なα−ヒドロキシカルボン酸誘導体 |
GB2170214A (en) * | 1985-01-26 | 1986-07-30 | Stc Plc | Ferroelectric smectic liquid crystal mixture |
DE3447359A1 (de) * | 1984-12-24 | 1986-07-03 | Merck Patent Gmbh, 6100 Darmstadt | Fluessigkristalline phase |
DE3685032D1 (de) * | 1985-01-09 | 1992-06-04 | Dainippon Ink & Chemicals | Substituierte fluessigkristallverbindungen. |
DE3500909A1 (de) * | 1985-01-12 | 1986-07-17 | Merck Patent Gmbh, 6100 Darmstadt | Pyrimidine |
DE3515373A1 (de) * | 1985-04-27 | 1986-11-06 | Merck Patent Gmbh, 6100 Darmstadt | Stickstoffhaltige heterocyclen |
DE3518734A1 (de) * | 1985-05-24 | 1986-11-27 | Merck Patent Gmbh, 6100 Darmstadt | Smektische fluessigkristalline phasen |
GB8520715D0 (en) * | 1985-08-19 | 1985-09-25 | Secr Defence | Secondary alcohol derivatives |
DE3627964C2 (de) * | 1985-08-26 | 2000-11-02 | Samsung Electronic Devices | Ferroelektrische kristallin-flüssige Derivate verzweigter acyclischer chiraler alpha-Chlorcarbonsäuren, Verfahren zu ihrer Herstellung und ihre Verwendung in Gemischen für schnell schaltende Displays in der Optoelektronik |
EP0257048B1 (de) * | 1986-02-17 | 1994-08-24 | MERCK PATENT GmbH | Optisch aktive verbindungen |
EP0263843B1 (en) * | 1986-02-21 | 1992-12-02 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern | Liquid crystal compounds, mixtures and devices |
DD249279A1 (de) * | 1986-05-20 | 1987-09-02 | Univ Halle Wittenberg | Kristallin-fluessige gemische mit negativer dielektrischer anisotropie |
EP0247466B1 (de) * | 1986-05-22 | 1993-11-24 | F. Hoffmann-La Roche Ag | Flüssigkristalline Derivate von Phenylbenzoat |
DE3765842D1 (de) * | 1986-05-30 | 1990-12-06 | Hoechst Ag | Chirale ester aus alpha-substituierten carbonsaeuren und mesogenen pyrimidin-5-yl-phenolen und ihre verwendung als dotierstoff in fluessigkristall-phasen. |
JPS62289574A (ja) * | 1986-06-10 | 1987-12-16 | Wako Pure Chem Ind Ltd | 2,5ジ置換−1,3−ジオキサン化合物の製法 |
US4886621A (en) * | 1986-09-08 | 1989-12-12 | Merck Patent Gesellschaft Mit Beschrankter Haftung | Liquid crystal phase |
JPH01139576A (ja) * | 1987-04-16 | 1989-06-01 | Seiko Epson Corp | 2−フエニル−1、3−ジオキサン誘導体 |
-
1987
- 1987-11-20 DE DE3751089T patent/DE3751089D1/de not_active Expired - Fee Related
- 1987-11-20 EP EP87117131A patent/EP0269963B1/de not_active Expired - Lifetime
- 1987-11-26 JP JP62296266A patent/JP2572790B2/ja not_active Expired - Fee Related
- 1987-11-27 KR KR1019870013405A patent/KR960006074B1/ko not_active IP Right Cessation
-
1990
- 1990-01-11 US US07/464,610 patent/US5100577A/en not_active Expired - Fee Related
-
1996
- 1996-06-12 JP JP8171614A patent/JP2643108B2/ja not_active Expired - Fee Related
-
1997
- 1997-01-02 HK HK2297A patent/HK2297A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0269963B1 (de) | 1995-02-22 |
DE3751089D1 (de) | 1995-03-30 |
EP0269963A2 (de) | 1988-06-08 |
JPS63137987A (ja) | 1988-06-09 |
KR880006343A (ko) | 1988-07-22 |
JPH08325236A (ja) | 1996-12-10 |
JP2643108B2 (ja) | 1997-08-20 |
JP2572790B2 (ja) | 1997-01-16 |
US5100577A (en) | 1992-03-31 |
KR960006074B1 (ko) | 1996-05-08 |
EP0269963A3 (en) | 1990-02-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20031120 |
|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |