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Title:
SCREEN-FLICKER PREVENTION CIRCUIT AND METHOD, DRIVE CIRCUIT FOR DISPLAY PANEL, AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/259450
Kind Code:
A1
Abstract:
A screen-flicker prevention circuit and method, a drive circuit for a display panel, and a display device, which belong to the technical field of displaying. The screen-flicker prevention circuit comprises: a control sub-circuit (51), configured to control, during a power-on period of the display panel, a gate driving circuit (40) of a display panel to output a gate cut-off level. By controlling, during the power-on time period (t1), the gate driving circuit (40) of the display panel to output a gate cut-off level, the gate cut-off level is provided for gate lines of the display panel, such that TFTs connected to the gate lines are in a cut-off state during the power-on time period (t1), and when the TFTs connected to the gate lines in the display panel are in the cut-off state, pixel units of the display panel do not emit light, thereby eliminating screen flickering upon turning on.

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Inventors:
YANG XIUQIN (CN)
LIU RONGCHENG (CN)
ZHAO PENG (CN)
WANG HUIMING (CN)
MA JING (CN)
LU SIYING (CN)
KONG CHAO (CN)
Application Number:
PCT/CN2020/097522
Publication Date:
December 30, 2020
Filing Date:
June 22, 2020
Export Citation:
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Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
HEFEI BOE DISPLAY TECH CO LTD (CN)
International Classes:
G09G3/36
Foreign References:
CN101620828A2010-01-06
CN105118472A2015-12-02
US20060007095A12006-01-12
CN101996549A2011-03-30
US20140085172A12014-03-27
KR20190067565A2019-06-17
CN110264971A2019-09-20
Attorney, Agent or Firm:
BEIJING SAN GAO YONG XIN INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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