Optical film composite applicable in a direct type back light module
US9001424B2 · kind B2 · utility
2Cited by
4References
24Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 26, 2010 |
| Grant date | Apr 7, 2015 |
| Priority date | — |
| Expiry date | Jul 16, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133606
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical film composite includes a brightness enhancement element and a light diffusion element, wherein the light diffusion element includes a substrate with a light diffusion layer on at least one side thereof, and wherein the light diffusion element has a haze of no less than 98% as measured according to JIS K7136 standard method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.