Compensator comprising a positive and negative birefringent retardation film
US7283188B2 · kind B2 · utility
3Cited by
3References
20Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | May 19, 2003 |
| Grant date | Oct 16, 2007 |
| Priority date | — |
| Expiry date | May 19, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2413/15
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The invention relates to a compensator comprising a positive and a negative birefringent retardation film, its use in displays and optical elements, and to displays comprising such a compensator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.