Chiral liquid crystal compounds having a perfluoroether...

Details Chiral liquid crystal compounds having a perfluoroether... Chiral liquid crystal compounds having a perfluoroether...

C - Chemistry, Metallurgy

07

C

C07C 69/63 (2006.01) C07C 43/225 (2006.01) C07C 69/017 (2006.01) C07C 69/92 (2006.01) C07C 327/28 (2006.01) C07C 391/02 (2006.01) C07D 239/34 (2006.01) C07D 303/24 (2006.01) C07D 307/33 (2006.01) C07D 319/06 (2006.01) C07D 405/12 (2006.01) C09K 19/04 (2006.01) C09K 19/06 (2006.01) C09K 19/12 (2006.01) C09K 19/20 (2006.01) C09K 19/32 (2006.01) C09K 19/34 (2006.01) C09K 19/42 (2006.01) G02F 1/133 (2006.01)

Patent

CA 2177590

Fluorine-containing, chiral liquid crystal compounds comprise: a) an aliphatic fluorocarbon terminal portion containing at least two catenary ether oxygen atoms; b) a chiral, aliphatic hydrocarbon terminal portion, and c) a central core connecting the terminal portions. The compounds have smectic mesophases or latent smectic mesophases and are useful, for example, in liquid crystal display devices.

La présente invention concerne des composés chiraux pour cristaux liquides, contenant du fluor. Ces composés comprennent (a) une terminaison fluorocarbone aliphatique comportant au moins deux atomes en chaîne d'oxygène de l'éther; (b) une terminaison chirale hydrocarbonée aliphatique; et (c) un noyau central reliant les terminaisons. Ces composés comportent des mésophases smectiques ou des mésophases smectiques à l'état latent et conviennent notamment aux dispositifs d'affichage à cristaux liquides.

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