Title:
PIXEL CIRCUIT AND DISPLAY PANEL
Document Type and Number:
WIPO Patent Application WO/2024/001065
Kind Code:
A1
Abstract:
Embodiments of the present disclosure provide a pixel circuit and a display panel. The pixel circuit comprises a driving unit, a light emitting unit, a first writing unit, a second writing unit, a duration adjusting unit, and a signal selecting unit; the driving unit is configured to drive, according to a first power supply, the light emitting unit to emit light; the first writing unit is configured to write a first data voltage and a compensation voltage to a first node of the driving unit; the second writing unit is configured to write a second data voltage to a first node of the duration adjusting unit; the signal selecting unit is configured to select different signal selecting circuits to output frequency sweep signals; and the duration adjusting unit is configured to control, according to the frequency sweep signals outputted by the signal selecting circuits selected by the signal selecting unit, the second data voltage, the first power supply, the first data voltage, and the compensation voltage, a duration of a current flowing through the light emitting unit. By implementing the embodiments of the present disclosure, the light emitting duration can be controlled.
Inventors:
CHEN SHUZHI (CN)
Application Number:
PCT/CN2022/138783
Publication Date:
January 04, 2024
Filing Date:
December 13, 2022
Export Citation:
Assignee:
SHANGHAI WINGTECH ELECTRONICS TECHNOLOGY CO LTD (CN)
International Classes:
G09G3/32
Foreign References:
| CN115019722A | 2022-09-06 | |||
| CN111477163A | 2020-07-31 | |||
| CN114170956A | 2022-03-11 | |||
| CN108735143A | 2018-11-02 | |||
| CN114120883A | 2022-03-01 | |||
| CN110085161A | 2019-08-02 | |||
| CN114519980A | 2022-05-20 | |||
| CN111145686A | 2020-05-12 |
Attorney, Agent or Firm:
GUANGZHOU DEKE INTELLECTUAL PROPERTY AGENT LTD. (CN)
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