Diffusing film and liquid crystal display element employing the same
US6147733A · kind A · utility
4Cited by
0References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 1998 |
| Grant date | Nov 14, 2000 |
| Priority date | — |
| Expiry date | May 27, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2203/34
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
This invention is to provide a diffusing film, a lighting unit, and a liquid crystal display element which can efficiently uses a light from a light source and which can obtain a beautiful image. A diffusing film comprising a powder which diffuses an incident light and which has an interference color of the same wave range with an absorption wave range, in uniformly and a diffusing film comprising two or more of a powder whose interference colors are complementary to each other, and a liquid crystal display element using the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.