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ESD-resistant display panels

A display panel, anti-static technology, applied in instruments, nonlinear optics, optics, etc., can solve the problems of signal line short circuit, short circuit, abnormal display panel display, etc., to improve the ability of anti-static discharge, avoid short circuit effect

Active Publication Date: 2021-04-02
WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The bottom of the first ground line 13 has a large-area fan-out line 14 of the first metal layer, and the fan-out line 14 of the first metal layer and the first ground line 13 are only formed by a passivation layer (ILD) (attached (not shown in the figure) barrier, when the reliability test of the product generates a large amount of static electricity, ESD is prone to occur, resulting in a short circuit between the first grounding line 13 and the fan-out line 14 of the first metal layer
Since the fan-out lines 14 of the first metal layer are respectively connected to signal lines such as TP / CT / DMUX / CK / GAS / VGL of the flexible circuit board, ESD will cause a short circuit of these signal lines, thereby causing the display panel to display abnormally.

Method used

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Experimental program
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Embodiment Construction

[0021] The specific implementation manners of the display panel for reducing electrostatic discharge provided by the present invention will be described in detail below in conjunction with the accompanying drawings.

[0022] image 3 It is a top view structure schematic diagram of the anti-static discharge display panel of the present invention, Figure 4 yes image 3 Enlarged schematic diagram of part B in middle. see image 3 and Figure 4 , the display panel for reducing electrostatic discharge of the present invention includes a first substrate 30 and a second substrate 40 . In this embodiment, the first substrate 30 is a thin film transistor substrate, that is, a TFT substrate, and the second substrate 40 is a color filter substrate, that is, a CF substrate. The first substrate 30 is arranged opposite to the second substrate 40, and image 3 The first substrate 30 is disposed below the second substrate 40 . In order to clearly illustrate the technical solution of t...

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Abstract

Disclosed is an electrostatic discharge resistant display panel. A first ground wire (34) avoids a large-area fan-out region (C) of a first metal layer, thereby preventing the occurrence of electrostatic discharge when static electricity generated during a reliability test of a product is larger, and thus preventing the short circuiting between the first ground wire (34) and a fan-out line group (31) of the first metal layer, so that the electrostatic discharge resistant capability of the display panel can be improved.

Description

technical field [0001] The invention relates to the field of liquid crystal display, in particular to an anti-static discharge display panel. Background technique [0002] The generation of static electricity is inevitable in industrial production and will cause serious harm. Taking the electronics industry as an example, static electricity mainly causes failure or wrong action of electronic equipment in the form of electrostatic discharge (ESD), causing electromagnetic interference and unstable operation of electronic products, breakdown of integrated circuits and precision electronic components, Or promote the aging of electronic components and reduce the yield of production. [0003] In the product design of liquid crystal display panel (LCD), the protection design of electrostatic discharge is often used. The outermost periphery of the display panel is connected to the ground terminal (GND) of the driver chip (IC) through the ground terminal of the flexible circuit boar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/1362
CPCG02F1/136204
Inventor 唐维
Owner WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD