Light-polarizing film
US4229498A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 29, 1979 |
| Grant date | Oct 21, 1980 |
| Priority date | — |
| Expiry date | Mar 29, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31928
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A light-polarizing film comprising a polymer mixture containing a polymer having polyene chains formed by partial dehydrohalogenation of a halogenated vinyl polymer or a halogenated vinylidene polymer and one or more of the polymers selected from the group consisting of acrylate polymers and methacrylate polymers. Said light-polarizing film has excellent heat stability as well as humidity resistance and is useful in various fields including liquid crystal device, optical device, etc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.