发明授权
- 专利标题: Polyamic acid composition, liquid crystal aligning film, and liquid crystal display element
- 专利标题(中): 聚酰胺酸组合物,液晶取向膜和液晶显示元件
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申请号: US09581838申请日: 2000-06-19
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公开(公告)号: US06316574B1公开(公告)日: 2001-11-13
- 发明人: Satoshi Tanioka , Shizuo Murata , Itsuo Shimizu , Kazumi Ito
- 申请人: Satoshi Tanioka , Shizuo Murata , Itsuo Shimizu , Kazumi Ito
- 优先权: JP9-368093 19971229
- 主分类号: C08G7310
- IPC分类号: C08G7310
摘要:
The present invention provides a liquid crystal display element having an adequate pre-tilt angle for preventing the reverse domain, as well as excellent electrical properties by preparation of the polyamic acid composition for the liquid crystal display element which comprises a polyamic acid A that excels in electrical properties and a polyamic acid B that has side chains, mixed in the ratio A/B of 50/50 to 95/5 (by weight).
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