Amplitude control unit, voltage supply module, display device and amplitude control method
A technology of controlling unit and amplitude, applied in the field of amplitude control unit and voltage supply module, can solve the problems of difference, difference between the amplitudes of gate driving voltage, split screen of display panel, etc., to achieve uniform display and improve display Split screen and improve the effect of different gate drive voltage amplitudes
Active Publication Date: 2021-03-26
BOE TECH GRP CO LTD +1
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Problems solved by technology
[0002] In the prior art, the wiring between multiple cascaded gate drive sub-circuits included in the gate drive circuit will generate wire resistance, which will cause the gate drive turn-on voltage received by each gate sub-circuit There is a difference between them, resulting in a difference in the amplitude of the gate drive voltage output by each gate drive sub-circuit, resulting in a split-screen phenomenon when the display panel is displayed
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[0057] 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.
[0058] The transistors used in all embodiments of the present invention may be triodes, thin film transistors or field effect transistors or other devices with the same characteristics. In the embodiment of the present invention, the control electrode may be the base or the gate; to distinguish the two electrodes of the transistor except the control electrode, one of the electrodes is called the first electrode, and the other electrode is called the second elec...
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An amplitude control main circuit, a voltage supply modular circuit, a display device, and an amplitude control method are provided. The amplitude control main circuit includes a variable resistive circuit, an output control circuit and a gate-driving-power-voltage output terminal; the output control circuit is connected to an output control terminal, a voltage input terminal, the gate-driving-power-voltage output terminal, and the variable resistive circuit, and controls, under control of the output control terminal, the gate-driving-power-voltage output terminal to be connected to the voltage input terminal directly or via the variable resistive circuit; a control terminal, a first terminal, and a second terminal of the variable resistive circuit are connected to a resistance control terminal, the output control circuit, and the gate-driving-power-voltage output terminal, respectively, and a resistance value of the variable resistive circuit is changed under control of the resistance control terminal.
Description
technical field [0001] The invention relates to the technical field of voltage control, in particular to an amplitude control unit, a voltage supply module, a display device and an amplitude control method. Background technique [0002] In the prior art, the wiring between multiple cascaded gate drive sub-circuits included in the gate drive circuit will generate wire resistance, which will cause the gate drive turn-on voltage received by each gate sub-circuit There is a difference between them, resulting in a difference in the amplitude of the gate driving voltage output by each gate driving sub-circuit, thus causing a split-screen phenomenon when the display panel displays. Contents of the invention [0003] The main purpose of the present invention is to provide an amplitude control unit, a voltage supply module, a display device and an amplitude control method, so as to solve the problem of different grid drive sub-circuits in the prior art due to the problem of providi...
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IPC IPC(8): G09G3/20
CPCG09G3/20G09G2310/0267G09G2310/08G09G2330/028
Inventor 董兴金熙哲张智唐秀珠陈帅熊丽军赵敬鹏唐滔良冉敏
Owner BOE TECH GRP CO LTD