Circuit arrangement and method for driving segmented LED backlights in particular
US8786540B2 · kind B2 · utility
1Cited by
6References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 10, 2008 |
| Grant date | Jul 22, 2014 |
| Priority date | — |
| Expiry date | Jul 27, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/064
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A circuit arrangement for controlling a segmented LED backlight in particular, comprises a generator (50) with a first input (10) to be supplied with a synchronizing signal (SYNC) that comprises image frequency information and/or line frequency information of a display unit, a second input (20) to be supplied with a data signal (DATA) that comprises image information of the display unit, and with an output (30) for providing a modulated signal (MOD).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.