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EP0192267A2
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EP
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Chiral smectic liquid crystal composition and light switching element using the same
Assignee: JNC Corp
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Filing: 1986-02-20
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Granted: —
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Expires: 2006-02-20
Abstract
Abstract A ferroelectric chiral smectic liquid crystal composition comprising at least three kinds of chiral smectic liquid crystal compounds within which a difference in molecular chain length does not exceed a length corresponding to the straight alkyl chain having five carbon atoms is provided. A light switching element using the above-mentioned composition, and having an extremely quick response is also provided.
Inventors
- 👤 Kenji Furukawa
- 👤 Kanetsugu Terashima
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 05:52
CPC Classifications
C; C09; C09K; C09K19/00; C09K19/04; C09K19/42; C09K19/48; C09K19/46
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
41 words
A ferroelectric chiral smectic liquid crystal composition comprising at least three kinds of chiral smectic liquid crystal compounds within which a difference in molecular chain length does not exceed a length corresponding to the straight alkyl chain having 5 carbon atoms.
Claim 2
Dependent Claim
41 words
A ferroelectric chiral smectic liquid crystal composition comprising at least three kinds of chiral smectic liquid crystal compounds within which a difference in molecular chain length does not exceed a length corresponding to the straight alkyl chain having 5 carbon atoms.
Claim 3
Dependent Claim
71 words
A ferroelectric chiral smectic liquid crystal composition as claimed in claim 1, wherein said chiral smectic liquid crystal compounds are those represented by a general formula: wherein m and n each independently are an integer -OCH 2 -, or a single bond, R is an alkyl or alkoxy group having 1 to 18 carbon atoms, Y is an alkyl, alkoxy , alkoxycarbonyl, alkanoyl, or alkanoyloxy. group having an asymmetric carbon atom.
Claim 4
Dependent Claim
46 words
A light switching element using a ferroelectric chiral smectic liquid crystal composition comprising at least three kinds of chiral smectic liquid crystal compounds within which a difference in molecular chain length does not exceed a length corresponding to the straight alkyl chain having 5 carbon atoms.
Claim 5
Dependent Claim
46 words
A light switching element using a ferroelectric chiral smectic liquid crystal composition comprising at least three kinds of chiral smectic liquid crystal compounds within which a difference in molecular chain length does not exceed a length corresponding to the straight alkyl chain having 5 carbon atoms.
References Cited (Backward Citations)
JPS58186312A
Cited
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