Liquid crystal device

Details Liquid crystal device Liquid crystal device

C - Chemistry, Metallurgy

09

K

345/56, 345/8

C09K 19/56 (2006.01) C08G 73/10 (2006.01) G02F 1/13 (2006.01) G02F 1/133 (2006.01) G02F 1/1337 (2006.01)

Patent

CA 1277403

ABSTRACT OF THE DISCLOSURE A liquid crystal device comprises a pair of substrates and a ferroelectric liquid crystal disposed between the substrates. At least one of the pair of substrates has an alignment control film formed of an aliphatic polyimide resin having a function of aligning said plurality of layers preferentially in one direc- tion. The aliphatic polyimide resin film stably provides a uniform alignment state with a large tilt angle than a conventional alignment control film of polyimide or polyvinyl alcohol over a long period. The liquid crystal device also provides a color tone of black in its darkest state.

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