Method of driving a light source, light source apparatus for performing the method and display apparatus having the light source apparatus
US9013393B2 · kind B2 · utility
1Cited by
2References
19Claims
0Family size
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Key dates
| Filing date | Apr 6, 2009 |
| Grant date | Apr 21, 2015 |
| Priority date | — |
| Expiry date | Jul 1, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/16
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a method of driving a light source of a light source module including a plurality of driving blocks, an image signal is analyzed and a target luminance corresponding to each of the driving blocks is determined. A dimming level of each of the driving blocks is determined by using the target luminance. A driving signal is generated, and the driving signal has a pulse width based on the dimming level and a variable frequency in accordance with a processing mode of the image signal. The driving block is driven by using the driving signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.