GB2252977B - Method for increasing the birefringence of liquid crystals - Google Patents

Method for increasing the birefringence of liquid crystals

Info

Publication number
GB2252977B
GB2252977B GB9200765A GB9200765A GB2252977B GB 2252977 B GB2252977 B GB 2252977B GB 9200765 A GB9200765 A GB 9200765A GB 9200765 A GB9200765 A GB 9200765A GB 2252977 B GB2252977 B GB 2252977B
Authority
GB
United Kingdom
Prior art keywords
birefringence
increasing
liquid crystals
crystals
liquid
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 - Lifetime
Application number
GB9200765A
Other versions
GB9200765D0 (en
GB2252977A (en
Inventor
Bernhard Rieger
Hiroshi Kamei
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Merck Patent GmbH
Original Assignee
Merck Patent GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Merck Patent GmbH filed Critical Merck Patent GmbH
Publication of GB9200765D0 publication Critical patent/GB9200765D0/en
Publication of GB2252977A publication Critical patent/GB2252977A/en
Application granted granted Critical
Publication of GB2252977B publication Critical patent/GB2252977B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C09K19/46—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40 containing esters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Liquid Crystal Substances (AREA)
GB9200765A 1991-02-20 1992-01-15 Method for increasing the birefringence of liquid crystals Expired - Lifetime GB2252977B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP91102455 1991-02-20

Publications (3)

Publication Number Publication Date
GB9200765D0 GB9200765D0 (en) 1992-03-11
GB2252977A GB2252977A (en) 1992-08-26
GB2252977B true GB2252977B (en) 1995-07-26

Family

ID=8206431

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9200765A Expired - Lifetime GB2252977B (en) 1991-02-20 1992-01-15 Method for increasing the birefringence of liquid crystals

Country Status (1)

Country Link
GB (1) GB2252977B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2272704B (en) * 1992-11-18 1996-04-24 Merck Patent Gmbh Liquid-crystalline mixture
JP4839524B2 (en) * 2001-04-26 2011-12-21 Ｄｉｃ株式会社 Liquid crystal composition

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59115377A (en) * 1982-12-21 1984-07-03 Dainippon Ink & Chem Inc Nematic liquid crystal composition
JPS60163022A (en) * 1984-02-03 1985-08-24 Hitachi Ltd Liquid crystal display device
EP0168012A2 (en) * 1984-07-09 1986-01-15 Casio Computer Company Limited Liquid crystal composition
WO1988002018A1 (en) * 1986-09-08 1988-03-24 MERCK Patent Gesellschaft mit beschränkter Haftung Liquid crystal phase
JPH0273884A (en) * 1988-09-08 1990-03-13 Dainippon Ink & Chem Inc Liquid crystal device
GB2248847A (en) * 1990-09-17 1992-04-22 Merck Patent Gmbh Multicomponent liquid crystal phase

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59115377A (en) * 1982-12-21 1984-07-03 Dainippon Ink & Chem Inc Nematic liquid crystal composition
JPS60163022A (en) * 1984-02-03 1985-08-24 Hitachi Ltd Liquid crystal display device
EP0168012A2 (en) * 1984-07-09 1986-01-15 Casio Computer Company Limited Liquid crystal composition
WO1988002018A1 (en) * 1986-09-08 1988-03-24 MERCK Patent Gesellschaft mit beschränkter Haftung Liquid crystal phase
JPH0273884A (en) * 1988-09-08 1990-03-13 Dainippon Ink & Chem Inc Liquid crystal device
GB2248847A (en) * 1990-09-17 1992-04-22 Merck Patent Gmbh Multicomponent liquid crystal phase

Also Published As

Publication number Publication date
GB9200765D0 (en) 1992-03-11
GB2252977A (en) 1992-08-26

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20120114