Bulk diffuser for flat panel display
US6908202B2 · kind B2 · utility
30Cited by
24References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 3, 2002 |
| Grant date | Jun 21, 2005 |
| Priority date | — |
| Expiry date | Dec 19, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0071
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention features a bulk light diffuser material. The bulk light diffuser material may be a sheet or film comprising about 95 to about 99.8 percent by weight of polycarbonate and about 0.2 to about 2.5 percent by weight of a particulate light diffusing component, based on the total weight of the polycarbonate and the light diffusing particles. The sheet material has a percent transmittance of at least 70% and a haze of at least 10% measured according to the American Society for Testing and Materials (ASTM) standard D 1003.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.