HK15494A - Non chiral liquid crystalline 2,5-disubstituted 1,3,4-thiadiazoles with extended smectic c-phases - Google Patents
Non chiral liquid crystalline 2,5-disubstituted 1,3,4-thiadiazoles with extended smectic c-phasesInfo
- Publication number
- HK15494A HK15494A HK154/94A HK15494A HK15494A HK 15494 A HK15494 A HK 15494A HK 154/94 A HK154/94 A HK 154/94A HK 15494 A HK15494 A HK 15494A HK 15494 A HK15494 A HK 15494A
- Authority
- HK
- Hong Kong
- Prior art keywords
- thiadiazoles
- smectic
- disubstituted
- phases
- extended
- 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
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/42—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
- C07D285/01—Five-membered rings
- C07D285/02—Thiadiazoles; Hydrogenated thiadiazoles
- C07D285/04—Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
- C07D285/12—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles
-
- 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
-
- 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
- C09K19/3491—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having sulfur as hetero atom
- C09K19/3497—Non-steroidal liquid crystal compounds containing at least one heterocyclic ring having sulfur as hetero atom the heterocyclic ring containing sulfur and nitrogen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
- Liquid Crystal Substances (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD87304402A DD261802A1 (de) | 1987-07-01 | 1987-07-01 | Ferroelektrische fluessigkristalle |
DD87309119A DD266107A1 (de) | 1987-11-17 | 1987-11-17 | Fluessig-kristalline mischungen mit ausgedehnten smektischen c-phasen |
Publications (1)
Publication Number | Publication Date |
---|---|
HK15494A true HK15494A (en) | 1994-03-04 |
Family
ID=25748157
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK156/94A HK15694A (en) | 1987-07-01 | 1994-02-24 | Chiral crystalline-liquid 2,5-disubstituted 1 3 4-thiadiazoles with extended smectic c-phases |
HK154/94A HK15494A (en) | 1987-07-01 | 1994-02-24 | Non chiral liquid crystalline 2,5-disubstituted 1,3,4-thiadiazoles with extended smectic c-phases |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK156/94A HK15694A (en) | 1987-07-01 | 1994-02-24 | Chiral crystalline-liquid 2,5-disubstituted 1 3 4-thiadiazoles with extended smectic c-phases |
Country Status (9)
Country | Link |
---|---|
US (1) | US4952699A (de) |
JP (1) | JP2880169B2 (de) |
KR (1) | KR910003855B1 (de) |
CH (1) | CH676246A5 (de) |
DE (1) | DE3819972C2 (de) |
FR (1) | FR2617496B1 (de) |
GB (1) | GB2208115B (de) |
HK (2) | HK15694A (de) |
SE (1) | SE8802420L (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5478496A (en) * | 1987-04-16 | 1995-12-26 | Merck Patent Gesellschaft Mit Beschrankter Haftung | Media containing thiazole derivatives and thiadiazole derivatives and having a smectic liquid-crystalline phase |
US5034151A (en) * | 1988-03-28 | 1991-07-23 | Canon Kabushiki Kaisha | Mesomorphic compound, ferroelectric liquid crystal composition containing same and ferroelectric liquid crystal device |
JP2872260B2 (ja) * | 1988-03-28 | 1999-03-17 | キヤノン株式会社 | 強誘電性液晶素子 |
US5240637A (en) * | 1988-06-24 | 1993-08-31 | Canon Kabushiki Kaisha | Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same |
JPH0312477A (ja) * | 1989-06-09 | 1991-01-21 | Canon Inc | 強誘電性カイラルスメクチック液晶組成物およびこれを含む液晶素子 |
JPH0312480A (ja) * | 1989-06-09 | 1991-01-21 | Canon Inc | 強誘電性カイラルスメクチック液晶組成物およびこれを含む液晶素子 |
JPH0312484A (ja) * | 1989-06-09 | 1991-01-21 | Canon Inc | 強誘電性カイラルスメクチック液晶組成物おこよびこれを含む液晶素子 |
ATE118029T1 (de) * | 1988-06-24 | 1995-02-15 | Canon Kk | Ferroelektrische chirale smektische flüssigkristallzusammensetzung und vorrichtung mit dieser zusammensetzung. |
ATE110763T1 (de) * | 1988-06-24 | 1994-09-15 | Canon Kk | Ferroelektrische chirale smektische flüssigkristallzusammensetzung und dieselbe verwendende vorrichtung. |
DE68918172T2 (de) * | 1988-06-24 | 1995-01-26 | Canon Kk | Ferroelektrische chirale smektische Flüssigkristallzusammensetzung und Vorrichtung mit dieser Zusammensetzung. |
US5183586A (en) * | 1988-07-14 | 1993-02-02 | Canon Kabushiki Kaisha | Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same |
ES2068219T3 (es) * | 1988-07-14 | 1995-04-16 | Canon Kk | Composicion de cristal liquido ferroelectrico quiral esmectico y dispositivo de cristal liquido que utiliza la misma. |
US5250221A (en) * | 1988-07-15 | 1993-10-05 | Canon Kabushiki Kaisha | Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same |
US5116530A (en) * | 1988-10-17 | 1992-05-26 | Canon Kabushiki Kaisha | Mesomorphic compound, liquid crystal composition containing same and liquid crystal device using same |
JP2801269B2 (ja) * | 1989-07-10 | 1998-09-21 | キヤノン株式会社 | 化合物およびこれを含む液晶組成物およびこれを使用した液晶素子 |
JP2763339B2 (ja) * | 1989-07-31 | 1998-06-11 | キヤノン株式会社 | 液晶組成物およびこれを使用した液晶素子 |
JP2801279B2 (ja) * | 1989-08-25 | 1998-09-21 | キヤノン株式会社 | 化合物およびこれを含む液晶組成物およびこれを使用した液晶素子 |
US5200109A (en) * | 1989-09-22 | 1993-04-06 | Canon Kabushiki Kaisha | Mesomorphic compound, liquid crystal composition containing same and liquid crystal device using same |
JPH03178971A (ja) * | 1989-09-22 | 1991-08-02 | Canon Inc | 液晶性化合物、これを含む液晶組成物およびこれを使用した液晶素子 |
JPH03193774A (ja) * | 1989-12-22 | 1991-08-23 | Canon Inc | 光学活性液晶化合物、これを含む液晶組成物およびこれを利用した液晶素子 |
US5143642A (en) * | 1990-01-13 | 1992-09-01 | Merck Patent Gesellschaft Mit Beschrankter Haftung | Liquid-crystalline medium for electrooptical display elements based on the ECB effect |
DE4027981A1 (de) * | 1990-09-04 | 1992-04-30 | Merck Patent Gmbh | Matrix-fluessigkristallanzeige |
TW211581B (de) * | 1991-11-07 | 1993-08-21 | Hoechst Ag | |
DE59310170D1 (de) * | 1992-01-22 | 2001-06-28 | Aventis Res & Tech Gmbh & Co | Derivate der 3-Cyclohexylpropionsäure und ihre Verwendung in ferroelektrischen Flüssigkristallmischungen |
JP3069004B2 (ja) * | 1993-06-30 | 2000-07-24 | チッソ株式会社 | スメクチックc液晶組成物および液晶表示素子 |
US5695683A (en) * | 1993-09-30 | 1997-12-09 | Hoechst Aktiengesellschaft | Ferroelectric liquid crystal mixture |
DE19502178A1 (de) * | 1994-01-27 | 1995-08-03 | Hoechst Ag | Thiadiazolderivate, Verfahren zu ihrer Herstellung und ihre Verwendung als Vorprodukte zur Herstellung von Flüssigkristallen |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL261797A (de) * | 1960-03-01 | |||
DD117014A1 (de) * | 1975-01-15 | 1975-12-12 | ||
GB2094791B (en) * | 1981-02-27 | 1985-04-03 | Ciba Geigy Ag | Preparation of 1,3,4-thiadiazolones |
DE3515373A1 (de) * | 1985-04-27 | 1986-11-06 | Merck Patent Gmbh, 6100 Darmstadt | Stickstoffhaltige heterocyclen |
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 |
DD240386B1 (de) * | 1985-08-26 | 1989-01-18 | Univ Halle Wittenberg | Verfahren zur herstellung von verzweigten acyclischen alpha-chlorcarbonsaeuren |
DD240385A1 (de) * | 1985-08-26 | 1986-10-29 | Univ Halle Wittenberg | Anwendung ferroelektrischer fluessigkristalle |
DE3703651A1 (de) * | 1986-03-05 | 1987-09-10 | Werk Fernsehelektronik Veb | Kristallin-fluessige gemische mit negativer dielektrischer anisotropie |
DD247221A1 (de) * | 1986-03-05 | 1987-07-01 | Univ Halle Wittenberg | Verfahren zur herstellung 2,5-disubstituierter 1,3,4-thiadiazolderivate mit trans-cyclohexanstrukturfragmenten |
DD247694A1 (de) * | 1986-03-05 | 1987-07-15 | Martin Uther Uni Halle Wittenb | Kristallin-fluessige gemische |
DE3730859A1 (de) * | 1987-04-16 | 1989-03-30 | Merck Patent Gmbh | Thiazol- und thiadiazol-derivate enthaltende medien mit smektischer fluessigkristalliner phase |
DE3712995B4 (de) * | 1987-04-16 | 2004-02-05 | Qinetiq Ltd. | Thiazol- und Thiadiazol-Derivate enthaltende Medien mit smektischer flüssigkristalliner Phase und die Verwendung dieser Medien in elektrooptischen Anzeigeelementen |
-
1988
- 1988-06-11 DE DE3819972A patent/DE3819972C2/de not_active Expired - Fee Related
- 1988-06-20 CH CH2364/88A patent/CH676246A5/de not_active IP Right Cessation
- 1988-06-20 US US07/209,400 patent/US4952699A/en not_active Expired - Lifetime
- 1988-06-28 SE SE8802420A patent/SE8802420L/xx not_active Application Discontinuation
- 1988-06-29 KR KR1019880007951A patent/KR910003855B1/ko not_active IP Right Cessation
- 1988-06-30 FR FR888808823A patent/FR2617496B1/fr not_active Expired - Fee Related
- 1988-06-30 GB GB8815606A patent/GB2208115B/en not_active Expired - Lifetime
- 1988-07-01 JP JP63162760A patent/JP2880169B2/ja not_active Expired - Lifetime
-
1994
- 1994-02-24 HK HK156/94A patent/HK15694A/xx not_active IP Right Cessation
- 1994-02-24 HK HK154/94A patent/HK15494A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB2208115A (en) | 1989-03-01 |
KR890002368A (ko) | 1989-04-10 |
FR2617496B1 (fr) | 1994-08-12 |
HK15694A (en) | 1994-03-04 |
JPS6461472A (en) | 1989-03-08 |
CH676246A5 (de) | 1990-12-28 |
SE8802420L (sv) | 1989-01-02 |
JP2880169B2 (ja) | 1999-04-05 |
GB2208115B (en) | 1992-03-11 |
KR910003855B1 (ko) | 1991-06-12 |
DE3819972C2 (de) | 1997-04-10 |
SE8802420D0 (sv) | 1988-06-28 |
FR2617496A1 (fr) | 1989-01-06 |
US4952699A (en) | 1990-08-28 |
GB8815606D0 (en) | 1988-08-03 |
DE3819972A1 (de) | 1989-01-12 |
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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) |