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32. 发明授权

US3951519A Liquid crystal imaging system 失效
标题翻译：液晶成像系统
公开(公告)号：US3951519A
公开(公告)日：1976-04-20
申请号：US498835
申请日：1974-08-19
申请人： Fred W. Schmidlin , Werner E. Haas , James E. Adams
发明人： Fred W. Schmidlin , Werner E. Haas , James E. Adams
IPC分类号： G02F1/135 , G03G5/153 , G02F1/13
CPC分类号： G02F1/135 , G03G5/153 , Y10S359/90
摘要： An imaging system wherein an imaging member comprises a layer of a homeotropically aligned nematic liquid crystalline material which is optically uniaxial residing on a photoconductive insulating layer. When the liquid crystal layer is subjected to an electrostatic charge and the photoconductive insulating layer is exposed to an imagewise pattern of activating electromagnetic radiation, the liquid crystalline material is subjected in selective areas to an electrical field which has components both in the plane of the layer and normal to the plane of the layer thereby inducing optical biaxiality in those areas of the imaging material. In a preferred embodiment of the invention a layer of a suitable overcoating material is arranged over the liquid crystal layer.
摘要翻译：一种成像系统，其中成像构件包括沿垂直取向的向列型液晶材料层，光学单轴存在于光电导绝缘层上。当液晶层受到静电电荷并且光导电绝缘层暴露于激活电磁辐射的成像图案时，液晶材料在选择性区域中经受电场，该电场在层的平面内具有成分并且垂直于该层的平面，从而在成像材料的那些区域中引起光学双轴性。在本发明的优选实施方案中，在液晶层上方布置有合适的外涂层材料层。

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