Display panel having a pixel driving circuit with different transistor types
US11749202B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 20, 2021 |
| Grant date | Sep 5, 2023 |
| Priority date | — |
| Expiry date | Apr 20, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2310/0286
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A pixel driving circuit comprises a data writing circuit, a driving circuit, a light emitting control circuit, a compensation circuit and a storage circuit, the data writing circuit is coupled to the driving circuit, for writing a data signal into the driving circuit; the driving circuit is coupled to a first power source end and a light-emitting sub-circuit through the light emitting control circuit, for inputting, under control of the light emitting control circuit, driving current into the light-emitting sub-circuit according to the data signal; the compensation circuit is coupled to the driving circuit; the storage circuit is coupled between the first power source end and the driving circuit; and the data writing circuit and the compensation circuit includes at least two transistors, wherein in the data write circuit and the compensation circuit, at least one transistor is a low-temperature polysilicon transistor, and at least one transistor is an oxide transistor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.