Polyamic acid composition, liquid crystal aligning film, and liquid crystal display element
US6316574A · kind A · utility
10Cited by
2References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2000 |
| Grant date | Nov 13, 2001 |
| Priority date | — |
| Expiry date | Jun 19, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31721
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
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).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.