Method of preparing a birefringent polymer film
US9663718B2 · kind B2 · utility
3Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 2014 |
| Grant date | May 30, 2017 |
| Priority date | — |
| Expiry date | Oct 1, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/2002
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a method of preparing a polymer film and to the use of such polymer film as in liquid crystal displays (LCDs) or other optical or electro optical devices, for decorative or security applications, as alignment layer or optical retardation film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.