Shift register unit, shift register circuit and driving method, and display panel
US10984700B1 · kind B1 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 15, 2017 |
| Grant date | Apr 20, 2021 |
| Priority date | — |
| Expiry date | Apr 2, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2310/06
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A shift register unit includes: an input circuit, a reset circuit, and an output circuit; a first pull-down control circuit, configured to transmit the first power signal to the first and second pull-down control nodes, and the pull-down node according to the pull-up node, a second pull-down control circuit, configured to transmit a second power signal to the first pull-down control node according to the second power signal, transmit the second power signal to the second pull-down control node according to the first pull-down control node, and transmit the second power signal to the pull-down node according to the second pull-down control node, and a pull-down circuit, configured to transmit the first power signal to the pull-up node and the signal output end according to the pull-down node. The present disclosure may ensure the normal output of the signal and improve the ability of reducing noise.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.