Title:
GATE DRIVE CIRCUIT, DISPLAY SUBSTRATE, DISPLAY APPARATUS, AND GATE DRIVE METHOD
Document Type and Number:
WIPO Patent Application WO/2021/232871
Kind Code:
A1
Abstract:
Disclosed is a gate drive circuit, comprising: a frequency multiplication control circuit (1) and an effective output circuit (2), the effective output circuit (2) comprising a plurality of cascaded first shift registers, wherein the first shift register (A_1) at a first stage in the effective output circuit (2) is configured with a first signal input end (INPUT) and a second signal input end (INPUT'); the first signal input end (INPUT) is coupled to an output control signal line (STV); the second signal input end (INPUT') is coupled to the frequency multiplication control circuit (1); the frequency multiplication control circuit (1) is coupled to the output control signal line (STV), and is configured to provide, in response to the control of an output control signal provided by the output control signal line (STV), a frequency multiplication control signal to the second signal input end (INPUT') after a preset duration starting from the time at which the output control signal is received; and the first shift register (A_1) at the first stage is configured to output a scan signal in response to the control of the output control signal, and to output a scan signal in response to the control of the frequency multiplication control signal.
Inventors:
SHANG GUANGLIANG (CN)
DONG TIAN (CN)
YIN XINSHE (CN)
LI MEI (CN)
LIU LIBIN (CN)
SHI SHIMING (CN)
DONG TIAN (CN)
YIN XINSHE (CN)
LI MEI (CN)
LIU LIBIN (CN)
SHI SHIMING (CN)
Application Number:
PCT/CN2021/077653
Publication Date:
November 25, 2021
Filing Date:
February 24, 2021
Export Citation:
Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
International Classes:
G09G3/3266; G11C19/28
Foreign References:
| CN111477181A | 2020-07-31 | |||
| US20130308743A1 | 2013-11-21 | |||
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| CN104575354A | 2015-04-29 | |||
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| CN105513524A | 2016-04-20 | |||
| CN101154360A | 2008-04-02 | |||
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| JP2009080363A | 2009-04-16 | |||
| US20130201090A1 | 2013-08-08 | |||
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Other References:
See also references of EP 3992960A4
Attorney, Agent or Firm:
TEE&HOWE INTELLECTUAL PROPERTY ATTORNEYS (CN)
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