Illuminating device and liquid-crystal display device using the same
US7661844B2 · kind B2 · utility
39Cited by
4References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 9, 2006 |
| Grant date | Feb 16, 2010 |
| Priority date | — |
| Expiry date | Jan 25, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/853
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An illuminating device capable of being produced at low costs and irradiating rays of light uniformly to a liquid crystal panel. The illuminating device has a plurality of LED packages each having LED's and a lens, the LED packages being congregated on a plane in a large area. Each of the LED packages includes at least four LED's corresponding to LED's for emitting at least red, green and blue, and at least two of the LED's in each LED package are positioned symmetrically to the center of the lens and emit the same color.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.