Common voltage adjustment circuit and liquid crystal display panel utilizing the same
US7400312B2 · kind B2 · utility
3Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 17, 2004 |
| Grant date | Jul 15, 2008 |
| Priority date | — |
| Expiry date | Nov 8, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/0247
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A common voltage adjustment circuit. The common voltage adjustment circuit is applied in a liquid crystal display panel having a plurality of display units, coupled to a common electrode. The common voltage adjustment circuit has a first register, a second register, a first digital-to-analog converter, a second digital-to-analog converter, and a regulator. The common voltage adjustment circuit adjusts AC voltage and DC voltage of the common voltage and provides the adjusted common voltage to the common electrode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.