Color filter substrate, preparation method thereof, and display panel

A color film substrate and display panel technology, applied in the direction of instruments, nonlinear optics, optics, etc., can solve the problems of aggravated picture and residue, achieve the effect of reducing picture residue, reducing density and improving display quality

Active Publication Date: 2021-04-27
WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Moreover, the color filter substrate side of the in-plane switching (In-Plane Switching) and fringe field switching (Fringe Field Switching) type liquid crystal display panels is not provided with an ITO film that shields ionic impurities in the organic layer from entering the liquid crystal layer, so that the ionic impurities in each organic layer Impurities can easily enter the liquid crystal layer, aggravating the occurrence of screen residue

Method used

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  • Color filter substrate, preparation method thereof, and display panel
  • Color filter substrate, preparation method thereof, and display panel
  • Color filter substrate, preparation method thereof, and display panel

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Embodiment Construction

[0014] This application provides, in order to make the purpose, technical solution and technical effect of this application clearer and clearer, this application will be further described in detail below, it should be understood that the specific implementation regulations described here are only used to explain this application, and are not used to limit this application .

[0015] In the liquid crystal display panel, when there are ion impurities in the screen, the DC bias will attract the ion impurities in the screen, resulting in the formation of residual DC bias in the place where the AC drive is asymmetrical, then when the screen is switched, due to the residual DC bias As a result, the liquid crystal molecules cannot be arranged according to the design requirements, resulting in residues in the previous screen. In order to solve this technical problem, the technical solution adopted in this application is to form a light-shielding layer, a color-resist block, and a cove...

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Abstract

The present application discloses a color filter substrate, a preparation method thereof, and a display panel. The preparation method of the color filter substrate includes: providing a base substrate; layer; after the ion-absorbing layer fully absorbs at least one ion impurity in the light-shielding layer, color-resisting block, and covering layer, the ion-absorbing layer is removed. The ion-absorbing layer can fully absorb the ion impurities in the light-shielding layer, color-resist block, and cover layer, and then remove the ion-absorbing layer after fully absorbing, so as to reduce the concentration of ion impurities in the color filter substrate, thereby reducing the residue on the screen. occurs, improving display quality.

Description

technical field [0001] The present application relates to the field of display technology, in particular to a color filter substrate, a manufacturing method thereof, and a display panel. Background technique [0002] The image persistence of the display panel refers to a phenomenon in which the same still image is displayed for a long time, and when switching to another image, the previous image is still displayed. [0003] The inventors of the present application have discovered in the long-term research and development that two necessary factors cause residual images: one is the presence of a DC bias voltage on the driver; the other is the presence of ionic impurities in the display screen. Due to the pixel structure, process technology, etc., there will be an asymmetric AC drive area in the pixel area, and the part of the voltage that deviates from the symmetrical center forms a DC bias voltage. Due to the existence of ionic impurities in the screen, the DC bias will att...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/1335
CPCG02F1/133509G02F1/133516
Inventor 聂晓辉
Owner WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
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