Gate drive circuit and drive method thereof, display device and control method thereof
US11393373B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 16, 2019 |
| Grant date | Jul 19, 2022 |
| Priority date | — |
| Expiry date | Dec 16, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2310/08
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A gate drive circuit includes: a plurality of cascaded shift register units, wherein each of the shift register units is connected to pixel circuits in a display panel; an output module of each shift register unit includes: a drive transistor for driving an output terminal to output a gate drive signal, and the output terminal is configured to provide the gate drive signal to the pixel circuits connected to the shift register unit provided with the output terminal; each pixel circuit is further connected to a first power supply terminal, and each pixel circuit is configured to emit light under control of the gate drive signal from the corresponding shift register unit and a first power supply signal from the first power supply terminal; and a width-to-length ratio of a conductive channel of each drive transistor is in negative correlation with a target distance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.