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Gate driving circuit, driving method and display device

A technology of gate drive circuit and level gate, applied in the field of drive method and display device, gate drive circuit, to achieve the effect of low power consumption

Active Publication Date: 2019-02-26
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The main purpose of the present invention is to provide a gate drive circuit, a drive method and a display device, to solve the problem in the prior art that the low power consumption design of the display panel cannot be realized while enabling the gate drive circuit to have a pre-charging function

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  • Gate driving circuit, driving method and display device
  • Gate driving circuit, driving method and display device
  • Gate driving circuit, driving method and display device

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Embodiment Construction

[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0035] The gate drive circuit according to the embodiment of the present invention includes M cascaded shift register units and M-level gate drive signal output terminals, and the gate drive circuit also includes an output control unit and a pre-charge control unit, wherein ,

[0036] The output control unit includes an M-1 level output control module;

[0037] The pre-charging control unit includes an M-1 level pre-charging control module;

[0038] The Nth-...

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Abstract

The main objective of the invention is to provide a gate drive circuit, a drive circuit and a display device. The gate drive circuit comprises an output control unit and a pre-charge control unit. The output control unit comprises M-1 output control modules. The pre-charge control unit comprises M-1 pre-charge control modules. The Nth pre-charge control module controls the Nth gate drive signal output end and the (N+1)th gate drive signal output end not to be connected in the Nth gate drive signal output phase and controls the Nth gate drive signal output end and the (N+1)th gate drive signal output end to be connected in the (N+1)th pre-charge phase, wherein M is a positive integer greater than 1, N+1 is less than or equal to M and N is a positive integer. The problems in the prior art that the gate drive circuit does not have the pre-charge function can be solved so that the low-power-consumption design of a display panel can be realized.

Description

technical field [0001] The present invention relates to the technical field of display driving, in particular to a gate driving circuit, a driving method and a display device. Background technique [0002] Existing gate drive circuits have the following problems: [0003] "Cut corner function" is in the design of Power IC (power integrated circuit), by discharging to the ground, the constant high voltage is changed into a voltage VGHM with a "cut corner" waveform, and VGHM is input into the gate drive chip, and finally forms a band The turn-on voltage Von of the TFT (thin film transistor) with the function of "cutting corners", the charge discharged directly to the ground cannot be effectively utilized; [0004] When a row of TFTs is turned off, the row of gate lines changes from high level to low level through charge release, and this part of the directly released charge can also be reused; [0005] The higher the resolution of the liquid crystal panel, the shorter the ch...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/36
CPCG09G3/3648
Inventor 刘荣铖
Owner BOE TECH GRP CO LTD