Backlight unit and method for equalizing brightness thereof
US7396145B2 · kind B2 · utility
69Cited by
5References
12Claims
0Family size
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Key dates
| Filing date | Dec 29, 2005 |
| Grant date | Jul 8, 2008 |
| Priority date | — |
| Expiry date | Jul 31, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/802
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A backlight module includes at least a light source generator, a housing, at least a thermal detector, and an inverter. The thermal detector is disposed in the housing for measuring the temperature within the housing when the light source generator is operating, and the inverter is electrically connected to the thermal detector and the light source generator for adjusting the electrical current of the light source generator according to the temperature measured by the thermal detector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.