Invention Grant
- Patent Title: Display panel having a pixel driving circuit with different transistor types
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Application No.: US17638892Application Date: 2021-04-20
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Publication No.: US11749202B2Publication Date: 2023-09-05
- Inventor: Qian Yang
- Applicant: BOE TECHNOLOGY GROUP CO., LTD.
- Applicant Address: CN Beijing
- Assignee: BOE TECHNOLOGY GROUP CO., LTD.
- Current Assignee: BOE TECHNOLOGY GROUP CO., LTD.
- Current Assignee Address: CN Beijing
- Agency: XSENSUS LLP
- Priority: CN 2010392539.1 2020.05.11
- International Application: PCT/CN2021/088329 2021.04.20
- International Announcement: WO2021/227788A 2021.11.18
- Date entered country: 2022-02-28
- Main IPC: G09G3/3258
- IPC: G09G3/3258 ; G09G3/3291

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.
Public/Granted literature
- US20220310017A1 PIXEL DRIVING CIRCUIT AND DRIVING METHOD THEREFOR, AND DISPLAY PANEL Public/Granted day:2022-09-29
Information query
IPC分类: