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Liquid crystal panel, TFT (Thin Film Transistor) array substrate and manufacturing method of TFT array substrate

A technology of an array substrate and a manufacturing method, which is applied in the field of liquid crystal display, can solve the problems of leakage of data scanning lines 17 and affect the display function, etc., and achieve the effect of reducing leakage problems, preventing breakdown, and ensuring normal display.

Active Publication Date: 2012-05-23
BEIJING BOE OPTOELECTRONCIS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In the process of realizing the above-mentioned solution, the inventor found that there are at least the following problems in the prior art: such as figure 2 As shown, since the conductive ball 12 in the sealant 11 is easy to accumulate static electricity, there is an electric field between the conductive ball 12 and the data scanning line 17 in the TFT array substrate, so that the breakdown covers the data scanning line 17 The protective layer 18 on the data scanning line 17 will cause electric leakage, which will affect the normal display function; in addition, the above problems will also occur on the gate scanning line.

Method used

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  • Liquid crystal panel, TFT (Thin Film Transistor) array substrate and manufacturing method of TFT array substrate
  • Liquid crystal panel, TFT (Thin Film Transistor) array substrate and manufacturing method of TFT array substrate
  • Liquid crystal panel, TFT (Thin Film Transistor) array substrate and manufacturing method of TFT array substrate

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Embodiment 1

[0023] An embodiment of the present invention provides a TFT array substrate. The structure of data scanning lines, gate scanning lines, thin film transistors and the protective layer of the TFT array substrate on the TFT array substrate can adopt any existing technology. . image 3 Shown is a partial cross-sectional view of a liquid crystal panel in an embodiment of the present invention, and image 3 The gate scan lines are not shown.

[0024] Below to image 3 In order to illustrate the implementation of the embodiment of the present invention, the liquid crystal panel in the figure has a TFT array substrate 31 and a color filter substrate 32, and the TFT array substrate 31 and the color filter substrate 32 are sealed by a sealant 33, and the sealant 33 Contains conductive balls 34, in order to protect the data scanning lines 35 in the TFT array substrate 31, the area coated with the sealant 33 on the protective layer 36 of the TFT array substrate 31 in the embodiment of ...

Embodiment 2

[0039] An embodiment of the present invention provides a method for manufacturing a TFT array substrate, such as Figure 7 As shown, the manufacturing method includes:

[0040] 701. Form gate scanning lines, data scanning lines, thin film transistors, and a protective layer on the substrate. The specific manufacturing process may adopt but not limited to existing manufacturing methods, and details may refer to subsequent descriptions. In addition, the protective layer in the embodiment of the present invention mainly refers to the passivation layer located above the data scanning lines.

[0041] 702. In order to protect the data scanning lines and / or gate scanning lines, the embodiment of the present invention also needs to form a conductive layer on the protective layer, and the conductive layer is compatible with the gate scanning lines in the area coated with sealant And / or corresponding to the data scanning line, the specific conductive layer can refer to image 3 and ...

Embodiment 3

[0057] An embodiment of the present invention also provides a liquid crystal panel, including a color filter substrate and a TFT array substrate, and the color filter substrate and the TFT array substrate are sealed with a sealant; and the TFT array substrate used in the liquid crystal panel is an example The TFT array substrate described in 1.

[0058] When making the liquid crystal panel provided by the embodiment of the present invention, in addition to making the TFT array substrate according to the method provided in Example 2, it is also necessary to make the color filter substrate, and then combine the color filter substrate and the TFT array substrate through the sealant seal.

[0059] The embodiments of the present invention are mainly used in various liquid crystal panels, such as liquid crystal panels used in electronic equipment such as notebook computers, liquid crystal televisions, or liquid crystal displays.

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Abstract

The embodiment of the invention discloses a liquid crystal panel, a TFT (Thin Film Transistor) array substrate and a manufacturing method of the TFT array substrate, relating to the technical field of liquid crystal display and solving the problem of electric leakage of a data scanning line or a grid electrode scanning line in an area provided with frame sealing glue. The TFT array substrate comprises the grid electrode scanning line, the data scanning line and a protective layer, wherein the protective layer is used for covering the TFT array substrate, and a conductive layer is arranged in the area coated with the frame sealing glue on the protective layer, corresponding to the grid electrode scanning line and / or the data scanning line. The TFT array substrate is mainly applied to various liquid crystal panels.

Description

technical field [0001] The invention relates to the technical field of liquid crystal display, in particular to a liquid crystal panel, a TFT array substrate and a manufacturing method thereof. Background technique [0002] The liquid crystal panel mainly includes a combined TFT array substrate and a color filter substrate, the TFT array substrate and the color filter substrate are sealed together by a sealant, and liquid crystal is dripped between the TFT array substrate and the color filter substrate. The TFT array substrate includes gate scanning lines and data scanning lines intersecting each other, the gate scanning lines and data scanning lines intersect to form pixel units, and each pixel unit is provided with a TFT and a pixel electrode. The color filter substrate is provided with a common electrode and a color resin film corresponding to each pixel unit. [0003] A voltage is applied on the gate scanning line to make the source and drain of the TFT conduct. Since t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/1362G02F1/1339G02F1/1333H01L27/12H01L21/77
CPCG02F1/1343G09F9/00H01L21/77G02F1/1333G02F2201/50G02F1/1362G02F1/13392G02F1/1339G09F9/30H01L27/12G02F2001/13398H01L29/786G02F1/13398
Inventor 宋省勋
Owner BEIJING BOE OPTOELECTRONCIS TECH CO LTD
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