申请人:Showa Shell Sekiyu Kabushiki Kaisha
公开号:EP0469975A1
公开(公告)日:1992-02-05
The novel liquid crystal compounds of the present invention are represented by the following formulas [I] - III and have tristable molecular orientation states and can be used for display devices and electrooptical devices.
wherein R₁ represents an alkyl group of 5 - 18 carbon atoms; R₂ represents an alkyl group of 6 - 16 carbon atoms; R₃ represents an alkyl group of 8 - 18 carbon atoms; R₄ represents an alkyl group of 6 - 14 carbon atoms; R₅ represents an alkyl group of 8 - 10 carbon atoms; R₆ represents an alkyl group of 6 - 18 carbon atoms; X represents
X′ represents
Y represents
and * indicates an optically active center.
本发明的新型液晶化合物由以下公式[I]-III 表示,具有三稳态分子取向状态,可用于显示设备和电光设备。
其中,R₁ 代表 5 - 18 个碳原子的烷基; R₂ 代表 6 - 16 个碳原子的烷基; R₃ 代表 8 - 18 个碳原子的烷基; R₄ 代表 6 - 14 个碳原子的烷基; R₅ 代表 8 - 10 个碳原子的烷基; R₆ 代表 6 - 18 个碳原子的烷基; X 代表
X′ 代表
Y 代表
表示光学活性中心。