Retardation film, method of producing the same and image display device
US9174368B2 · kind B2 · utility
1Cited by
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3Claims
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Key dates
| Filing date | Mar 17, 2010 |
| Grant date | Nov 3, 2015 |
| Priority date | — |
| Expiry date | Feb 27, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/13363
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The retardation film of the present invention contains at least one of an epoxy resin cured product and an epoxy (meth)acrylate resin cured product. In the retardation film of the present invention, in-plane birefringence index thereof at a wavelength of 590 nm is preferably 0.001 or more and a birefringence index in a thickness direction thereof at a wavelength of 590 nm is preferably 0.001 or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.