Optical compensator for LCD including stacked films of only one O-plate, one A-plate and two negative C-plate retarders
US6867834B1 · kind B1 · utility
13Cited by
11References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 13, 2000 |
| Grant date | Mar 15, 2005 |
| Priority date | — |
| Expiry date | Nov 24, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2413/15
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical compensator for liquid crystal displays comprising at least one O plate retarder, at least one low tilt A plate retarder, and at least one negative C plate retarder is described. Also described are liquid crystal displays comprising such a compensator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.