Retardation film and a liquid-crystal display device comprising the same
US9670352B2 · kind B2 · utility
1Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2009 |
| Grant date | Jun 6, 2017 |
| Priority date | — |
| Expiry date | Nov 27, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2413/12
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention relates to a retardation film that comprises a blend resin of 1) an acryl-based copolymer resin that comprises an alkyl methacrylate-based monomer and a cycloalkyl methacrylate-based monomer, and 2) a resin that comprises an aromatic ring or aliphatic ring in a polymer main chain, a method for manufacturing the retardation film, and a liquid crystal display device that comprises the retardation film. The retardation film according to the present invention has excellent heat resistance, optical transparency, mechanical strength, and durability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.