Compensation films for LCDs
US6831722B2 · kind B2 · utility
19Cited by
2References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 14, 2003 |
| Grant date | Dec 14, 2004 |
| Priority date | — |
| Expiry date | Apr 14, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2413/105
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical compensation film for liquid crystal displays comprises first and second optically anisotropic layers containing positively birefringent material disposed on a substrate, wherein the optic axis, thickness, and retardation of these layers are within prescribed limitations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.