Pixel compensation circuit, method for compensating pixel driving circuit, and display device
US10923025B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 12, 2018 |
| Grant date | Feb 16, 2021 |
| Priority date | — |
| Expiry date | Nov 12, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/145
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for compensating the pixel driving circuit may include: in a light emitting phase of the pixel driving circuit, sensing an electric signal of the first electrode of the electroluminescent element, and calculating an electrical compensation signal based on the electric signal; in the light emitting phase of the pixel driving circuit, sensing a brightness signal of the electroluminescent element by a photosensitive sensor and calculating an optical compensation signal according to the brightness signal; and generating a comprehensive compensation signal according to the electrical compensation signal and the optical compensation signal, and controlling a signal on a control terminal of the drive transistor according to the comprehensive compensation signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.