申请人:HARADA Shigeyuki
公开号:US20080305280A1
公开(公告)日:2008-12-11
A disclosed liquid crystal display device includes a liquid crystal composition contained in a cell having a liquid crystal alignment film. The liquid crystal alignment film has a lamellar structure and includes at least one type of a triphenylene compound (I) represented by general formula (1):
In general formula (1), L represents —O— or —S—; R
1
, R
2
, R
3
, R
4
, and R
5
represent the same or different hydrocarbon radicals with 4 or more carbon atoms; R
6
represents a divalent hydrocarbon radical with 4 or more carbon atoms; and R
7
represents —SiR
8
R
9
R
10
or —P(═O)(OH)
2
where R
8
, R
9
, and R
10
each individually represents —Cl, —OH, —OCH
3
, or —OC
2
H
5
.
揭示的液晶显示器件包括液晶组分,所述液晶组分包含在具有液晶定向膜的单元中。所述液晶定向膜具有层状结构,并包括至少一种由通式(1)表示的三苯基化合物(I):
在通式(1)中,L代表—O—或—S—;R1、R2、R3、R4和R5表示具有4个或更多碳原子的相同或不同的碳氢基团;R6表示具有4个或更多碳原子的二价碳氢基团;以及R7表示—SiR8R9R10或—P(═O)(OH)2,其中R8、R9和R10分别表示—Cl、—OH、—OCH3或—OC2H5。