Ferroelectric liquid crystal compositions and use thereof

Details Ferroelectric liquid crystal compositions and use thereof Ferroelectric liquid crystal compositions and use thereof

C - Chemistry, Metallurgy

09

K

C09K 19/34 (2006.01) C09K 19/02 (2006.01) C09K 19/42 (2006.01) C09K 19/46 (2006.01) C09K 19/58 (2006.01) G09G 3/36 (2006.01) H01G 7/06 (2006.01)

Patent

CA 2061193

ABSTRACT OF THE DISCLOSURE A ferroelectric liquid crystal composition including: a compound of the formula (I): Image ( I ) [where - A - represents 1,4-phenylene or 1,4-cyclohexylene group; - B - represents 1,4-phenylene or 2,6-naphthylene group; and R and R' are, the same or different, a straight or branched chain alkyl or alkoxy group having 4-15 carbon atoms], a compound of the formula (II): Image ( II ) [where k and j are 0 or 1 and k + j = 1; and R and R' have the same meaning as defined in the formula (I)] and a compound selected from the group consisting of a compound of the formula (IV): Image (IV) [where RI represents a straight or branched chain alkyl or alkoxy group having 1-15 carbon atoms; RII represents a straight or branched chain alkyl group; Image represents 1,4-cyclohexylene, 1,4-phenylene or 2,5-pyrimidinylene group; X is a hydrogen or halogen atom or a cyano group; Y is -COO- or a single bond; Z is a hydrogen atom or a methyl group; k is 0 or 1; and * represents an asymmetric carbon atom] and a compound of the formula (V): Image (V) [where RI and RI' are each a straight or branched chain alkyl or alkoxy group having 1-15 carbon atoms; Image is 1,4-cyclohexylene or 1,4-phenylene group; Z is a hydrogen atom or a methyl group; and * represents an asymmetric carbon atom].

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