Light emitting diode (LED) picture element
US7063449B2 · kind B2 · utility
57Cited by
20References
48Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 27, 2003 |
| Grant date | Jun 20, 2006 |
| Priority date | — |
| Expiry date | Nov 22, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2300/026
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A picture element lamp is disclosed that mixes light from LEDs in a light guide. The light guide expands the perceived light source and can redirect the light toward viewing locations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.