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display panel

A display panel and display area technology, which is applied in the directions of semiconductor/solid-state device components, semiconductor devices, electrical components, etc., can solve the problems of unfavorable display panel narrow frame design, occupation, occupying a large area, etc.

Active Publication Date: 2020-09-29
AU OPTRONICS KUNSHAN CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to better complete the test of the display panel, these test pads often have a large number and occupy a large area. After the test is completed, they will be grounded by coating silver glue, which will also occupy a large area. Large area, which is not conducive to the narrow frame design of the existing display panel

Method used

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Embodiment Construction

[0023] Below in conjunction with accompanying drawing, structural principle and working principle of the present invention are specifically described:

[0024] figure 1 It is a schematic structural diagram of a display panel according to an embodiment of the present invention. Such as figure 1 As shown, the display panel 100 of this embodiment includes a display area 110 and a non-display area 120 . Specifically, a pixel array formed by a plurality of pixel units (not shown in the figure) is disposed in the display area 110 , and the test pad 130 , the conductive pattern 140 and the first switch circuit 150 are disposed in the non-display area 120 . At figure 1 In the illustrated embodiment, the display panel 100 or the display area 110 is in the shape of a rectangle, but the present invention is not limited thereto. Due to different designs and requirements, the display panel 100 or the display area 110 can also be set in a circular, Ovals, other irregular arcs, triangles...

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PUM

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Abstract

The invention provides a display panel. The display panel comprises a display area, a non-display area, several test welding pads, at least one conductive pattern and a first switching circuit. The display area comprises a pixel array, the non-display area is arranged at periphery of the display area. The several test welding pads, the at least one conductive pattern and the first switching circuit are arranged in the non-display area, wherein the first switching circuit is coupled to the conductive pattern and the several test welding pads, moreover, the conductive pattern covers and is arranged above some of the several test welding pads in the form of overlapping.

Description

technical field [0001] The present invention relates to a display panel, and in particular to a display panel with a test pad and a test circuit. Background technique [0002] Generally speaking, a display panel has a display area and a non-display area outside the display area. There are multiple pixel structures in an array configuration in the display area, and chip-on-film pads (COF Pad), multiplexers (Mux), test pads (CT Pad), test circuits, and electrostatic discharge protection pads are often formed in the non-display area. circuit (ESD) and other possible driving circuits and related wiring. [0003] Today's display panels are developing toward narrower borders, the area (width) of the non-display area becomes smaller and smaller, and the circuits and wiring in the non-display area become denser and denser. The test pad is mainly used to provide control signals to the display area, such as VGH / VGL / VDD / VCOM / CKV and other signals. In order to better complete the tes...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L23/544
Inventor 刘晋铨宋旻骏纪杨
Owner AU OPTRONICS KUNSHAN CO LTD