Multilayered optical film and display device including optical film
US9661692B2 · kind B2 · utility
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10References
18Claims
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Key dates
| Filing date | Dec 26, 2013 |
| Grant date | May 23, 2017 |
| Priority date | — |
| Expiry date | Mar 23, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/8791
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An optical film includes: a liquid crystal coating; and a base layer on the liquid crystal coating, wherein the liquid crystal coating has reversed wavelength dispersion and in-plane retardation for a reference wavelength ranging from 126 nm to 153 nm, and the base layer has in-plane retardation ranging from about 0 to about 50 nm and out-of-plane retardation ranging from about 0 nm to about 100 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.