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1. 发明授权

US4792211A Ferroelectric liquid crystal electro-optical device having high water repellent alignment layer 失效
标题翻译：具有高斥水取向层的铁电液晶电光装置
公开(公告)号：US4792211A
公开(公告)日：1988-12-20
申请号：US908345
申请日：1986-09-17
申请人： Takamasa Harada , Masaaki Taguchi , Sadashi Shimoda , Koukichi Ito
发明人： Takamasa Harada , Masaaki Taguchi , Sadashi Shimoda , Koukichi Ito
IPC分类号： G02F1/137 , G02F1/13363 , G02F1/1337 , G02F1/141 , G09F9/35 , G02F1/13
CPC分类号： G02F1/133711 , G02F1/141 , G02F2001/133638
摘要： A ferroelectric liquid crystal electro-optical device utilizes a liquid crystal layer composed of ferroelectric liquid crystal molecules. A first alignment layer is disposed in contact with the liquid crystal layer and has a uniaxial alignment characteristic effective to align the molecular axes of liquid crystal molecules immediately adjacent to the first alignment layer in a predetermined direction parallel to the liquid crystal layer. A second adjacent layer is opposed to the first alignment layer in contact with the liquid crystal layer. The second alignment layer has a random homogeneous alignment characteristic and a water repellency characteristic defined in terms of a water contact angle of more than 70.degree. jointly effective to align the molecular axes of liquid crystal molecules immediately adjacent to the second alignment layer in either of two orientation directions oppositely inclined relative to the predetermined direction in parallel to the liquid crystal layer. An electric field is applied to the liquid crystal molecules to switch the molecules between the two orientation directions to drive the electro-optical device.
摘要翻译：铁电液晶电光装置利用由铁电液晶分子构成的液晶层。第一取向层设置成与液晶层接触，并且具有有效地使与第一取向膜紧邻的液晶分子的分子轴沿平行于液晶层的预定方向对准的单轴取向特性。第二相邻层与与液晶层接触的第一取向层相对。第二取向层具有无规均匀的取向特性和防水性，以水接触角大于70°的方式定义，共同有效地使两个方向中的任一个中的第二取向层紧邻的液晶分子的分子轴定向方向相对于预定方向与液晶层平行地相反地倾斜。向液晶分子施加电场以在两个取向方向之间切换分子，以驱动电光装置。

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