Voltage controlled backlight driver
US7969430B2 · kind B2 · utility
10Cited by
5References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2007 |
| Grant date | Jun 28, 2011 |
| Priority date | — |
| Expiry date | Apr 29, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/14
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A system for powering and controlling an LED backlight, the system comprising: a control circuitry; a controllable power source responsive to the control circuitry; and a plurality of LED strings receiving power from the controllable power source, the control circuitry being operative to control the output voltage of the controllable power source responsive to a function of an electrical characteristic of at least one of the plurality of LED strings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.