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Integrated grid driving circuit

A technology that integrates gate drive and output drive circuits, which is applied in the direction of logic circuit connection/interface layout, electrical components, electronic switches, etc., to achieve the effect of avoiding misoperation

Active Publication Date: 2011-01-05
HANNSTAR DISPLAY CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In a fourth time interval t4, the second clock signal CK2 is converted to a high level again, and at this time, the potential of the node X is subjected to the coupling effect of the parasitic capacitance of the second switch T2 to generate ripples, and cause The output signal Output produces ripples

Method used

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Embodiment Construction

[0025] In order to make the above and other objects, features, and advantages of the present invention more apparent, a detailed description will be given below with reference to the accompanying drawings. In the description of the present invention, the same components are denoted by the same symbols, and they will be described in advance.

[0026] Please refer to Figure 3a As shown, it shows a block diagram of the integrated gate driving circuit 1 of the embodiment of the present invention. The integrated gate drive circuit 1 includes a plurality of identical drive units connected in series, such as a first drive unit 10 (assumed to be a first-level drive unit), a second drive unit 20 and a third drive unit shown in the figure. drive unit 30 and the like. Each driving unit receives an input signal and a plurality of clock signals, and generates an output signal as an input signal of the next-level driving unit, for example, the first driving unit 10 receives two clock sig...

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PUM

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Abstract

The invention discloses an integrated grid driving circuit which comprises an output driving circuit and a voltage stabilizing circuit, and the voltage stabilizing circuit is used for stabilizing output voltage which is output by the output driving circuit so as to eliminate ripple of the output voltage.

Description

technical field [0001] The invention relates to a liquid crystal display, in particular to an integrated gate driving circuit of a liquid crystal display. Background technique [0002] A liquid crystal display controls the operation of each pixel through a plurality of gate drive circuits and source drive circuits to display images. In order to increase the definition of the picture displayed by the liquid crystal display, the resolution of the liquid crystal display is rapidly increased, thus more driving circuits are required for driving, resulting in a substantial increase in manufacturing. [0003] Please refer to figure 1 As shown, a schematic diagram of a known liquid crystal display is shown, wherein the gate drive circuit of the liquid crystal display 9 and the pixel matrix 91 can be fabricated on the same substrate at the same time, so as to reduce the production cost. This kind of gate drive circuit is called an integrated gate drive circuit (integrated gate driv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03K19/0185H03K17/687G09G3/36
Inventor 陈彦州张宪政
Owner HANNSTAR DISPLAY CORPORATION