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Active component array substrate

An array substrate and active component technology, applied in the field of active component array substrates, can solve problems such as image retention and image color shift, and achieve the effect of suppressing color shift and image retention

Inactive Publication Date: 2012-11-07
AU OPTRONICS CORP
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

Taking a liquid crystal display panel (hereinafter referred to as a COA liquid crystal display panel) using a color filter film integrated on a thin film transistor array substrate (Color Filter on Array, COA) technology as an example, when performing an image sticking (Image Sticking) test, It will be found that the COA LCD panel has a slight image retention, and the displayed image will have a color cast

Method used

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Embodiment Construction

[0046] The detailed description and technical content of the present invention are described as follows in conjunction with the accompanying drawings.

[0047] In view of the color shift phenomenon and the occurrence of afterimages of the traditional COA liquid crystal display panel, this embodiment estimates the best common voltage of the COA liquid crystal display panel when displaying white, red, green and blue images, in order to understand the color shift and the cause of afterimages.

[0048] In the common driving technology of dot inversion, column inversion, column inversion or frame inversion, the positive half-period signal that is fed to the pixel electrode alternately The voltage level of the signal in the negative half cycle will be lowered by the feed through effect caused when the gate (scan line) is turned off. Theoretically, the pixel electrodes in the sub-pixels used to display different colors are not greatly affected by the feedthrough effect, but in pract...

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Abstract

The invention discloses an active component array substrate, which comprises a substrate, a plurality of scanning lines, a plurality of data lines and a plurality of pixels. The scanning lines and the data lines are configured on the substrate; each pixel comprises a plurality of sub-pixels; and each sub-pixel comprises at least one transistor, a pixel electrode and a color filter film. The transistor is configured on the substrate and is electrically connected with a corresponding scanning line and a corresponding data line; partial color filter film is positioned between the pixel electrodeand the scanning line; and the pixel electrode and a corresponding scanning line are coupled into a first capacitor, and the drain of the transistor and a corresponding scanning line are coupled intoa second capacitor. In a single pixel, the coupled areas of pixel electrodes and the scanning lines corresponding to different color filter films are different, so that the first capacitors are essentially same.

Description

technical field [0001] The present invention relates to an array substrate, and in particular to an active element array substrate. Background technique [0002] The rapid progress of the multimedia society is mostly due to the rapid progress of semiconductor components or man-machine display devices. As far as the display is concerned, the cathode ray tube (Cathode Ray Tube, CRT) has been monopolizing the display market in recent years because of its excellent display quality and economy. However, for the environment where individuals operate most terminals / display devices on the table, or from the perspective of environmental protection, if the trend of energy saving is used to predict that cathode ray tubes still have many problems in terms of space utilization and energy consumption, and for The demands of lightness, thinness, shortness, smallness and low power consumption cannot effectively provide a solution. Therefore, thin film transistor liquid crystal display pan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L27/02G02F1/1362G02F1/1368G02F1/1335
Inventor 洪敏翔黄铭涌邱骏仁吴欲志邱渊楠曾庆安黄彦衡
Owner AU OPTRONICS CORP
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