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a display panel

A display panel and display area technology, which is applied in the direction of instruments, semiconductor devices, computing, etc., can solve the problems of large difference in lead impedance and large wiring impedance, and achieve the effect of reducing impedance difference and reducing impedance

Active Publication Date: 2019-11-05
XIAMEN TIANMA MICRO ELECTRONICS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the wiring method of the detection electrodes has the following problems: the wiring impedance of the detection electrodes on the color filter substrate made of glass material is relatively large; the impedance difference between the lead wires of different detection electrodes is relatively large

Method used

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Examples

Experimental program
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Effect test

no. 1 example

[0019] Please also see figure 1 and figure 2 , which respectively show a top view of the display panel and a schematic cross-sectional structure diagram of the display panel according to the first embodiment of the present invention. in, figure 2 for figure 1 Schematic diagram of the cross-sectional structure at A-A in the middle. Such as figure 1 and figure 2 As shown, in an optional embodiment of the present invention, the display panel may be a liquid crystal display panel or an OLED display panel, which has a display area D( figure 1 The area inside the dotted line frame) and the non-display area surrounding the display area ( figure 1 area outside the dotted frame). The display panel includes: a plurality of first electrodes 1 , a first flexible circuit substrate 2 and a plurality of conductive connection mechanisms 31 .

[0020] exist figure 1 and figure 2 In the illustrated embodiment, a liquid crystal display panel is taken as an example for illustration....

no. 2 example

[0033] The second embodiment of the present invention is another embodiment of the display panel of the present invention, please refer to Figure 4 and Figure 5 , which shows a schematic cross-sectional structure diagram of a display panel and a schematic structural diagram of a first flexible circuit substrate according to a second embodiment of the present invention. with the above Figure 1 to Figure 3 The difference of the first embodiment shown is that in this embodiment, each first electrode includes two conduction points, and the two conduction points of each first electrode are respectively located at both ends of the first electrode, and each The conduction points are all electrically connected to a corresponding wire through a conductive connection mechanism, and the two wires connected to the same first electrode are connected to the connection interface of the first flexible circuit substrate after being connected. Specifically, as Figure 4 As shown, the two ...

no. 3 example

[0036] The third embodiment of the present invention is another implementation of the touch display panel of the present invention, please refer to Figure 6 , which shows a schematic cross-sectional structure diagram of a display panel according to a third embodiment of the present invention. with the above Figure 1 to Figure 3 The difference of the first embodiment shown is that in this embodiment, the conductive connecting mechanism is a metal connecting piece, and each first electrode is electrically connected to the wire through the metal connecting piece. Specifically, as Figure 6 As shown, the conduction point 13 of the first electrode 1 is electrically connected to the conductive contact pad 24 of the first flexible circuit board 2 through the metal connecting piece 32, thereby replacing the backlight buckle in the above-mentioned embodiment. This embodiment can also achieve effects similar to those of the above-mentioned first embodiment, and since there is no nee...

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Abstract

The present invention discloses a display panel. The display panel has a display area and a non-display area surrounding the display area. The display panel includes: a plurality of first electrodes extending along a first direction; a first flexible circuit substrate , arranged in the non-display area, the first flexible circuit board has an extension part, the extension part extends along the second direction and is located in the non-display area on both sides of the display area, the first flexible circuit board The circuit substrate further includes a plurality of wires extending at least to the extension portion; a plurality of conductive connection mechanisms electrically connecting the wires to the first electrode. The display panel can reduce the impedance of the signal lead-out lines of the detection electrodes, and can reduce the lower frame of the display panel.

Description

technical field [0001] The present invention relates to the field of display technology, in particular to a display panel. Background technique [0002] With the development of science and technology, traditional display panels (including liquid crystal display panels and organic light-emitting display panels) with purely display functions and display devices including the display panels can no longer meet people's requirements. Display panel manufacturers have realized the integration of touch functions in traditional display panels to form touch display panels to meet people's requirements for touch control. In the prior art, the touch function has been integrated into the liquid crystal display panel and the organic light emitting display panel to form a corresponding touch display panel. [0003] In the prior art, there are mainly two types of touch display panels formed by integrating touch functions in the display panel: self-capacitance and mutual capacitance. For a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/1345G02F1/1333H01L27/32G06F3/041G06F3/044
CPCG02F1/13338G02F1/13452G06F3/0412G06F3/044H10K59/40
Inventor 郑志伟杨康鹏许育民
Owner XIAMEN TIANMA MICRO ELECTRONICS
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