Materials for inducing alignment in liquid crystal and liquid crystal displays
申请人:——
公开号:US20010039361A1
公开(公告)日:2001-11-08
The present invention provides novel aromatic diamines useful in preparing polyimides for optical alignment layers in liquid crystal displays. The novel compositions comprise side-chains 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.
本发明提供了一种新型芳香二胺,用于制备液晶显示器中的光学调向层的聚酰亚胺。这种新型组合物包括侧链通式I
-L
1
-D-L
2
-C
f
其中D包括1至4个碳-碳双键,C
f
是一种一价的C
4
至C
20
氟碳基团,L
1
和L
2
是连接基团。
PERFLUOROALKYLATION OF AROMATIC COMPOUNDS WITH R<sub>f</sub>I(Ph)OSO<sub>2</sub>CF<sub>3</sub>
作者:Teruo Umemoto、Yuriko Kuriu、Hideo Shuyama
DOI:10.1246/cl.1981.1663
日期:1981.12.5
Perfluoroalkylation of various aromaticcompounds with perfluoroalkylphenyliodonium trifluoromethanesulfonate (FITS) under mild conditions was described. The reactivity of other perfluoroalkyliodonium salts was also examined.
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.