Light emitting panel assemblies
US6755547B2 · kind B2 · utility
85Cited by
51References
31Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 30, 2002 |
| Grant date | Jun 29, 2004 |
| Priority date | — |
| Expiry date | Aug 30, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/804
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Light emitting panel assemblies include a sheet, film or plate overlying a light emitting member. The sheet, film or plate has a pattern of deformities on one or both sides that may vary or be random in size, shape or geometry, placement, index of refraction, density, angle, depth, height and type for controlling the light output distribution to suit a particular application. Also the sheet, film or plate may have a coating or surface treatment for causing the light to pass through a liquid crystal display with low loss.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.