Control circuit of liquid crystal display device for performing driving compensation
US7154467B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 22, 2004 |
| Grant date | Dec 26, 2006 |
| Priority date | — |
| Expiry date | Jul 13, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2340/16
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A control circuit of a liquid crystal display device has a display driving data generation section. The display driving data generation section includes a conversion table 46 for storing compensation data corresponding to the combination of the significant bits of the image data nFi of the current frame and of the post driving status data (n−1)Fp of the previous frame, and an interpolation operation section for generating interpolation compensation data by performing an interpolation operation for the compensation data which is read from the conversion table according to the insignificant bits of the image data of the current frame and of the post driving status data of the previous frame. And the conversion table further comprises a singular point conversion table used when the post driving status data of the previous frame is a first data. These tables are selected depending on whether the post driving status data of the previous frame is the first data or not.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.