发明授权
US5670609A Polyimide films from pyromellitic dianhydride and
2-2'-bis(perfluoroalkoxy)benzidines as alignment layers for liquid
crystal displays
失效
作为液晶显示器的取向层,来自均苯四酸二酐和2-2'-双(全氟烷氧基)联苯的聚酰亚胺膜
- 专利标题: Polyimide films from pyromellitic dianhydride and 2-2'-bis(perfluoroalkoxy)benzidines as alignment layers for liquid crystal displays
- 专利标题(中): 作为液晶显示器的取向层,来自均苯四酸二酐和2-2'-双(全氟烷氧基)联苯的聚酰亚胺膜
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申请号: US512607申请日: 1995-08-08
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公开(公告)号: US5670609A公开(公告)日: 1997-09-23
- 发明人: Brian Carl Auman , Edgar Bohm
- 申请人: Brian Carl Auman , Edgar Bohm
- 申请人地址: DE Wilmington
- 专利权人: E. I. Du Pont de Nemours and Company
- 当前专利权人: E. I. Du Pont de Nemours and Company
- 当前专利权人地址: DE Wilmington
- 主分类号: C08G73/10
- IPC分类号: C08G73/10 ; G02F1/1337 ; C08G69/26
摘要:
A polyimide alignment film based on pyromellitic dianhydride and a 2,2'-bis(perfluoroalkoxy)benzidine, as major components, for use in liquid crystal display devices.