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Gate driver capable of simultaneously selecting multiple channels

A gate drive and driver technology, applied in instruments, static indicators, etc., to improve the update rate and achieve the effect of partial screen update

Active Publication Date: 2022-04-15
APLUS SEMICON TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, future new displays will focus on the requirements of adjustable refresh rate (Refresh Rate), partially refreshed images, and low power consumption. The traditional scanning operation can no longer meet the above requirements.

Method used

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  • Gate driver capable of simultaneously selecting multiple channels
  • Gate driver capable of simultaneously selecting multiple channels
  • Gate driver capable of simultaneously selecting multiple channels

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Embodiment Construction

[0036] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0037]In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the present i...

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Abstract

The invention belongs to the technical field of gate drivers, and particularly relates to a gate driver capable of simultaneously selecting a plurality of channels, which comprises a channel decoder, a plurality of gate driving units and a plurality of level conversion units. The channel decoder is used for generating a plurality of conduction signals according to a latch signal and a channel number signal. The plurality of gate driving units are coupled to the channel decoder and are used for generating a plurality of gate output signals according to a plurality of conduction signals, a selection signal and an input signal. The plurality of level conversion units are coupled to the plurality of gate driving units and are used for performing voltage conversion according to the plurality of gate output signals. The channel number signal indicates a primary channel number, and the selection signal indicates at least one secondary channel number. The invention has the advantages that any one main gate channel and at least one related secondary gate channel can be opened randomly to save power and improve the update rate.

Description

technical field [0001] The invention belongs to the technical field of gate drivers, and in particular relates to a gate driver capable of simultaneously selecting multiple channels. Background technique [0002] A Liquid Crystal Display (LCD) includes a timing controller, a gate driver, a source driver, and a display panel, and the display panel includes a plurality of pixel units arranged in a matrix. The gate driver is used to turn on multiple pixel units connected to a gate channel (Gate Channel) or scanning line (Scanning Line), and the source driver is used to turn on a source channel (Source Channel) or data line ( Data Line) multiple pixel units. The timing controller is used to control the gate driver and the source driver to sequentially turn on the gate channel and the source channel, so as to scan a plurality of pixel units arranged in a matrix to update the display image. [0003] The traditional scanning operation of the liquid crystal display is carried out ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36
CPCG09G3/3674G09G2310/0264
Inventor 蔡水河王国荣
Owner APLUS SEMICON TECH CO LTD
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