Circuit and method for eliminating shutdown after-image, and display device
US9865204B2 · kind B2 · utility
0Cited by
0References
6Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Sep 13, 2013 |
| Grant date | Jan 9, 2018 |
| Priority date | — |
| Expiry date | Dec 23, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2330/027
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention relates to the field of display technology, and provides a circuit and a method for eliminating a shutdown after-image, and a display device. The circuit for eliminating the shutdown after-image in a liquid crystal panel comprises a control module configured to apply a common voltage of a liquid crystal panel to a gate line of the liquid crystal panel under the control of a shutdown signal when the liquid crystal panel is shut down. According to the present invention, it is able to eliminate the shutdown after-image and prevent the occurrence of large shutdown current.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.