Materials for inducing alignment in liquid crystals and liquid crystal displays
申请人:——
公开号:US20010018099A1
公开(公告)日:2001-08-30
The present invention provides novel polyimides, poly(amic acids) and poly(amide esters) thereof, and optical alignment layers derived therefrom, for inducing alignment of liquid crystals and liquid crystal displays. The novel compositions comprise side-chain polymers of the general formula I
—L
1
—D—L
2
—C
f
wherein D comprises 1 to 4 carbon-carbon double bonds, C
f
is a monovalent C
4
to C
20
fluorocarbon radical and L
1
and L
2
are linking groups. The invention further describes liquid crystal displays and other liquid crystal devices.