Optical resin film, optical compensation sheet, polarizing plate and liquid crystal display
US8089593B2 · kind B2 · utility
1Cited by
1References
14Claims
0Family size
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Key dates
| Filing date | Mar 17, 2006 |
| Grant date | Jan 3, 2012 |
| Priority date | — |
| Expiry date | Mar 13, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133528
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical resin film is provided, in which a wavelength dispersion of a retardation in planar direction and a wavelength dispersion of a retardation in thickness direction are independently controlled, is provided and has at least an additive having a negative intrinsic birefringence.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.