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Touch assembly and touch display device

A technology of touch components and touch units, which is applied to the input/output process of instruments, electrical digital data processing, and data processing, etc., can solve the problems of affecting touch sensitivity, large parasitic capacitance, affecting touch reporting rate, etc. , to achieve the effect of improving the influence of electrical signal transmission, improving touch sensitivity, and improving touch reporting rate

Active Publication Date: 2021-03-16
WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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AI Technical Summary

Problems solved by technology

[0002] At present, for flexible active organic light emitting diode (Active Metrix Organic Light Emitting Diode, AMOLED) touch display screens, the touch electrode pattern is usually a hollowed-out metal grid, which causes The capacitance change is small, and the small capacitance change is not easy to be detected by the touch chip, which affects the touch sensitivity
In addition, the touch electrode pattern is fabricated on the thin film encapsulation layer. However, since the thin film encapsulation layer is thin (usually about 10um in thickness), the distance between the touch electrode pattern and the cathode of the entire surface of the flexible active organic light emitting diode display panel Smaller, resulting in a larger parasitic capacitance between the two, which in turn leads to a larger resistance-capacitance delay, affecting the touch report rate

Method used

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Embodiment Construction

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.

[0030] see figure 1 , which is a schematic cross-sectional view of a touch display device according to an embodiment of the present application. The touch display device 100 includes a display panel 10 , a touch component 20 , a polarizer 30 and a protective cover 40 . The touch component 20 is disposed on the display panel 10 and located at the light emitting side of the display panel 10 . The polarizer 30 is connected to the touch component 20 through a transparent adhesive ...

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Abstract

The invention provides a touch control assembly and a touch control display device. A second branch electrode surrounds a corresponding first branch electrode, and a third branch electrode adjacent tothe first branch electrode surrounds the part, located between the first branch electrode and the third branch electrode, of the second branch electrode; the ends, away from the ends connected with the first main electrodes, of the two adjacent third branch electrodes located in the two adjacent touch units in the first direction in a matched mode are connected with each other, so that the touchsensitivity of the touch assembly is improved.

Description

technical field [0001] The present application relates to the technical field of touch display, in particular to a touch component and a touch display device. Background technique [0002] At present, for flexible active organic light emitting diode (Active Metrix Organic Light Emitting Diode, AMOLED) touch display screens, the touch electrode pattern is usually a hollowed-out metal grid, which causes The capacitance change is small, and the small capacitance change is not easy to be detected by the touch chip, which affects the touch sensitivity. In addition, the touch electrode pattern is fabricated on the thin film encapsulation layer. However, since the thin film encapsulation layer is thin (usually about 10um in thickness), the distance between the touch electrode pattern and the cathode of the entire surface of the flexible active organic light emitting diode display panel Smaller, resulting in a larger parasitic capacitance between the two, which in turn leads to a l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/041G06F3/044
CPCG06F3/0412G06F3/044G06F3/0443G06F3/0418G06F3/0446G06F2203/04111G06F2203/04112
Inventor 王杰平叶剑
Owner WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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