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Touch electrode structure and touch display panel

A technology of touch electrodes and electrodes, which is applied to circuits, electrical components, electric solid devices, etc., and can solve the problem of low touch report rate

Pending Publication Date: 2020-09-11
WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] This application provides a touch electrode structure and a touch display panel to improve the problem of low touch report rate in the existing AMOLED On-cell display

Method used

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  • Touch electrode structure and touch display panel
  • Touch electrode structure and touch display panel
  • Touch electrode structure and touch display panel

Examples

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Embodiment Construction

[0044] The technical solutions in the embodiments and / or examples of the application will be clearly and completely described below in conjunction with the specific embodiments of the application. Obviously, the embodiments and / or examples described below are only part of the implementation of the application. schemes and / or examples, rather than all implementations and / or examples. Based on the implementations and / or examples in this application, all other implementations and / or examples obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0045] The directional terms mentioned in this application, such as [top], [bottom], [left], [right], [front], [back], [inside], [outside], [side], etc., are for reference only The orientation of the attached schema. Accordingly, the directional terms are used to illustrate and understand the application, not to limit the application. The terms "first", "second" ...

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Abstract

The invention provides a touch electrode structure and a touch display panel. The touch electrode structure comprises a substrate and a plurality of first touch electrodes, the first touch electrodesare arranged in parallel. The first touch electrode also comprise, each first touch electrode comprises a plurality of first main road electrodes which are connected end to end in the first directionand are continuously conducted and branch electrodes connected with the first main road electrodes, and each branch electrode comprises a first branch part connected with the corresponding first mainroad electrode and a second branch part connected with the corresponding first branch part in a crossed mode; . The structure also comprises the a plurality of second touch electrodes are which is arranged in parallel, surrounds the first touch electrodes, are is electrically insulated from the first touch electrodes, and comprises a plurality of second main road electrodes which are connected end to end along a second direction and are continuously conducted; a first hollowed-out part is arranged in at least one branch electrode, or / and a second hollowed-out part is arranged in at least onesecond touch electrode, and the second hollowed-out part is arranged outside the second main road electrode. The parasitic capacitance between the touch electrode and the cathode is reduced, the scanning frequency of the touch electrode is improved, and the high reporting rate of the touch screen is achieved.

Description

technical field [0001] The present application relates to the display field, in particular to a touch electrode structure and a touch display panel. Background technique [0002] Capacitive touch screens are widely used in various electronic interactive scene devices due to their high durability, long life, and support for multi-touch functions. The working principle of the capacitive touch screen is to detect the specific position touched by the finger by detecting the change of capacitance at the position touched by the finger. [0003] Currently for flexible AMOLED (Active-matrix organic light-emitting diode, active-matrix organic light-emitting diode or active-matrix organic light-emitting diode) On-cell (integrated touch layer on the AMOLED cover) display screen, its touch The control electrodes are usually made directly on the upper surface of the thin film encapsulation layer. However, due to the thin film encapsulation layer (usually thickness <10um), the distanc...

Claims

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Application Information

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IPC IPC(8): G06F3/041G06F3/044H01L27/32
CPCG06F3/0412G06F3/0416G06F3/0445H10K59/40H10K59/12G06F3/0446G06F3/0443G06F3/0448G06F2203/04111G06F3/04164H10K59/124H10K59/123
Inventor 叶剑
Owner WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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