Pixel circuit and display device including the same
US11887536B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 7, 2022 |
| Grant date | Jan 30, 2024 |
| Priority date | — |
| Expiry date | Jul 7, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2330/021
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A pixel circuit comprises a first switch element comprising a first electrode to which an initialization voltage is applied, a gate electrode to which a initialization pulse is applied, and a second electrode connected to a second node; a second switch element comprising a first electrode connected to a third node or a fourth node, a gate electrode to which a sensing pulse is applied, and a second electrode to which a reference voltage is applied; a third switch element comprising a first electrode to which a data voltage is applied, a gate electrode to which a scan pulse is applied, and a second electrode connected to the second node; and a fourth switch element comprising a first electrode connected to the third node, a gate electrode to which a first emission control pulse is applied, and a second electrode connected to the fourth node.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.