申请人:Francis Matthew
公开号:US20070176144A1
公开(公告)日:2007-08-02
The invention is directed to liquid crystal compositions for use in bistable liquid crystal devices and to bistable liquid crystal devices containing said liquid crystal compositions. The liquid crystal composition comprises a component (π) said component (π) containing one or more compounds having a phenyl ring of formula A Whereby X
A
is F, CI, SF
5
, NCS or a C
1
to C
8
alkanyl, alkenyl or alkoxy radical substituted with at least one F atom; and L
A
is H or F.