Pixel driving circuit and driving method
US10198995B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 2, 2017 |
| Grant date | Feb 5, 2019 |
| Priority date | — |
| Expiry date | Nov 2, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/045
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The pixel driving circuit and the driving method for driving pixels of an AMOLED display are provided. A 6T1C circuit is adopted by the pixel driving circuit and the pixel driving method proposed by the present disclosure so the threshold voltage of the driving tube is effectively compensated and that the current flowing through a light emitting device is not affected by the threshold voltage of the driving tube. The display brightness of the light emitting device is not affected by the ageing of the light emitting device itself, and the display of the panel becomes much more even; in other words, the display effect of the image improves. Besides, the structure of the light emitting device is simplified. In other words, the cost is obviously saved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.