Pixel driving circuit and method, array substrate and liquid crystal display apparatus
US9378698B2 · kind B2 · utility
Assignees
Inventor
Key dates
| Filing date | Oct 30, 2013 |
| Grant date | Jun 28, 2016 |
| Priority date | — |
| Expiry date | Nov 5, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/0252
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A pixel driving circuit and method, an array substrate and a LCD apparatus, solve the problem of a deterioration of an image quality due to an insufficient charging to a pixel electrode when a refreshing frequency of the LCD is relatively high. The pixel driving circuit comprises n rows of scanning lines, where n is an integer and n≧3, and the pixel driving circuit further comprises a pre-charging unit connected to each row of scanning line, for activating the (i+2)th row of scanning line at the same time when the ith row of scanning line is activated, where i is an integer and 1≦i≦n−2. The array substrate comprises a number of pixel units distributed in a matrix, and further comprises the pixel driving circuit as described above. The LCD apparatus comprises the array substrate as described above. The pixel driving method is used for driving n rows of scanning lines, where n is an integer and n≧3, and activating the (i+2)th row of scanning line at the same time when the ith row of scanning line is activated, where i is an integer and 1≦i≦n−2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.