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Drive deivce for TFT LCD

A thin film transistor, liquid crystal display technology, applied in instruments, nonlinear optics, optics, etc., to achieve the effect of reducing the smearing phenomenon of moving images

Active Publication Date: 2010-11-10
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The purpose of the present invention is to provide a driving device for a thin film transistor liquid crystal display against the defects of the existing driving device for a thin film transistor liquid crystal display, which can effectively reduce the blurring of moving images caused by the visual residue of moving pictures

Method used

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  • Drive deivce for TFT LCD
  • Drive deivce for TFT LCD
  • Drive deivce for TFT LCD

Examples

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Abstract

The invention relates to a driving device of a film transistor liquid crystal display. A grid signal wire and a common electrode signal wire are connected by a triode formed by TFT; i.e., during the scanning and driving process of one frame of signals, a high-voltage signal is inserted before the next line is opened, equivalently, the black frame is inserted under a normal-white mode; when one line of the pixels are in use, the next line forcibly inserts the black frame data on the next line by the triode formed by the previous line of TFT; the driving device of the film transistor liquid crystal display firstly applies the high voltage forcibly before the next line of the TFT LCD pixels are opened, so as to achieve the object of inserting the black frame, thus effectively reducing the tailing phenomenon of the moving images.

Description

Driving device for thin film transistor liquid crystal display technical field The invention relates to a driving device of a thin film transistor liquid crystal display, in particular to a driving device of a thin film transistor liquid crystal display in which a triode connection is formed between a gate signal line and a common electrode signal line through a TFT. Background technique The driving device of the current Thin Film Transistor Liquid Crystal Display (TFTLD for short) usually adopts a normally white mode design, that is, a black picture is generated when a voltage is applied to the pixel electrode, and a light transmission is maintained when no voltage is applied. Figure 8 is an equivalent diagram of TFTLCD driving in the prior art. As shown in Figure 8, when the gate of a single unit pixel is turned on, the data signal is transmitted to the pixel electrode through a thin film transistor (ThinFilmTransistor, referred to as TFT) channel, and then the pixel The...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/1362
Inventor 高文宝殷新社肖向春
Owner BOE TECH GRP CO LTD
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