Light-polarizing films
US4802745A · kind A · utility
18Cited by
11References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 26, 1987 |
| Grant date | Feb 7, 1989 |
| Priority date | — |
| Expiry date | May 26, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31909
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light-polarizing film is disclosed, comprising a conductive polymer having dichroism and having an unsaturated cyclic structure in the main chain thereof. The light-polarizing film of the invention has good polarization quality and is excellent in durability under high-temperature and high-humidity conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.