Use of macrocyclic compounds as component for ferroelectric...

C - Chemistry – Metallurgy – 09 – K

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C09K 19/04 (2006.01) C09K 19/40 (2006.01) C09K 19/54 (2006.01) C09K 19/58 (2006.01) G02F 1/133 (2006.01)

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CA 2040268

HOE 90/F 115 Abstract Use of macrocyclic compounds as component for ferro- electric liquid crystal mixtures A liquid crystal mixture composed of at least two com- ponents containing as one component a macrocyclic com- pound of the general formula (1) Image (1) in which a, b, c, d, e, f, independently of one another, are an integer from zero to 4, a + b + c + d + e being greater than 7, and -A-, -B-, -C-, -D-, -E-, -F-, identical or different, are, for example, -CH2-, -CH=CH-, -CO- or -COO-, leads in FLC displays to the formation of a uniform alignment and avoids twist states, which is reflected in a significantly improved contrast.

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