Pre-charging apparatus of source driving circuit and operating method thereof
US9349339B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 26, 2014 |
| Grant date | May 24, 2016 |
| Priority date | — |
| Expiry date | Dec 27, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2310/0248
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A source driver pre-charging apparatus including a data detection module, a determining module, and a pre-charging module is disclosed. The data detection module captures a first most significant bit having N bits in a current data and a second most significant bit having N bits in a former data and compares them to generate a compared result. N is a positive integer larger than or equal to 2. The determining module judges whether any data is transited from a first grey-level region to a second grey-level region between the former data and the current data and at least one other grey-level region is existed between the first grey-level region and the second grey-level region. If the judgment result of the determining module is yes, the pre-charging module performs a pre-charging action on an output voltage of a source driver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.