Invention Grant
- Patent Title: Display device, display panel, pixel driving circuit and driving method
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Application No.: US15768899Application Date: 2017-09-29
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Publication No.: US10777132B2Publication Date: 2020-09-15
- Inventor: Haigang Qing
- Applicant: BOE TECHNOLOGY GROUP CO., LTD. , Chengdu BOE Optoelectronics Technology Co., Ltd.
- Applicant Address: CN Beijing CN Chengdu
- Assignee: BOE TECHNOLOGY GROUP CO., LTD.,CHENGDUE BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
- Current Assignee: BOE TECHNOLOGY GROUP CO., LTD.,CHENGDUE BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
- Current Assignee Address: CN Beijing CN Chengdu
- Agency: Calfee, Halter & Griswold LLP
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@ca3b932
- International Application: PCT/CN2017/104597 WO 20170929
- International Announcement: WO2018/161553 WO 20180913
- Main IPC: G09G5/00
- IPC: G09G5/00 ; G09G3/3233

Abstract:
The present disclosure provides a display device, a display panel and a pixel driving circuit. The pixel driving circuit includes a driving transistor, a first scanning terminal, a second scanning terminal, a data input terminal, a light emission control terminal, a storage capacitor, a reset unit, and a write compensation unit and a light emission control unit, wherein the reset unit is turned on according to a first scanning signal from the first scanning terminal to reset the storage capacitor and charge the storage capacitor; and the writing compensation unit is turned on according to a second scanning signal from the second scanning terminal, to cause data signals provided by the data input terminal to be written into a gate electrode of the driving transistor, and to cause the storage capacitor to be discharged through the writing compensation unit and the driving transistor until the driving transistor is turned off.
Public/Granted literature
- US20200265780A1 DISPLAY DEVICE, DISPLAY PANEL, PIXEL DRIVING CIRCUIT AND DRIVING METHOD Public/Granted day:2020-08-20
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