Pixel circuit, display panel and display device
US12154491B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 2, 2023 |
| Grant date | Nov 26, 2024 |
| Priority date | — |
| Expiry date | Aug 2, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/0247
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A pixel circuit, a display panel and a display device. The pixel circuit includes drive transistor, storage capacitor, compensation circuit, and voltage controller. The drive transistor has a gate electrode connected to a first node and generates a drive current in a light-emitting phase of an operation cycle of the pixel circuit. The storage capacitor has a first plate connected to the first node and a second plate connected to a second node and stores a data voltage inputted to the gate electrode of the drive transistor. The compensation circuit has an output terminal connected to the second node and a first input terminal receiving a first power supply voltage and compensates a deviation of the first power supply voltage affecting the drive current. The voltage controller is connected to the second node and controls a fluctuation of a voltage of the second node prior to the light-emitting phase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.