Title:
AMOLED PIXEL DRIVE CIRCUIT AND DRIVE METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2020/062352
Kind Code:
A1
Abstract:
Provided in the present invention are an AMOLED pixel drive circuit and a drive method therefor. In the AMOLED pixel drive circuit provided by the present invention, one voltage handover module is arranged corresponding to each row of sub-pixels, the voltage handover module is connected to the corresponding row of sub-pixels and a scan line corresponding to the row of sub-pixels, a scan signal on the scan line controls, when turning on and turning off a switch thin-film transistor in the corresponding row of sub-pixels, the corresponding voltage handover module to provide different power supply voltages for the row of sub-pixels, thereby compensating a change in a voltage difference of a gate electrode and a source electrode of a drive thin-film transistor when the switch thin-film transistor is turned off from being turned on due to a parasitic capacitance being present between a gate electrode and a drain electrode of the switch thin-film transistor, ensuring the stability of a current flowing through an organic light-emitting diode, and improving the display uniformity of sub-pixels and the display quality.
Inventors:
WEN SHU (CN)
WEN YICHIEN (CN)
WEN YICHIEN (CN)
Application Number:
PCT/CN2018/110537
Publication Date:
April 02, 2020
Filing Date:
October 16, 2018
Export Citation:
Assignee:
SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECH CO LTD (CN)
International Classes:
G09G3/3258
Foreign References:
| CN105185300A | 2015-12-23 | |||
| CN106205495A | 2016-12-07 | |||
| CN104680982A | 2015-06-03 | |||
| US20160063922A1 | 2016-03-03 |
Attorney, Agent or Firm:
COMIPS INTELLECTUAL PROPERTY OFFICE (CN)
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