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Touch structure, touch display panel, touch display device and touch driving method

A touch-driven and touch-control technology, which is applied in the directions of instruments, calculations, electrical digital data processing, etc., can solve problems affecting the accuracy of touch recognition

Active Publication Date: 2015-07-22
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, when the finger touches the surface of the touch display panel, a certain amount of noise will be generated on the surface of the touch display panel, which will affect the useful signal on the touch sensing electrode, and then affect the touch recognition. accuracy

Method used

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  • Touch structure, touch display panel, touch display device and touch driving method
  • Touch structure, touch display panel, touch display device and touch driving method
  • Touch structure, touch display panel, touch display device and touch driving method

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Embodiment Construction

[0038] In order for those skilled in the art to better understand the technical solution of the present invention, the touch structure, touch display panel, touch display device and touch driving method provided by the present invention will be described in detail below with reference to the accompanying drawings.

[0039] image 3 The top view of the touch structure provided by Embodiment 1 of the present invention, such as image 3 As shown, the touch control structure includes: touch scanning electrodes 11 and touch sensing electrodes 8, inverting units 9 and differential operation units 10, wherein the touch sensing electrodes 8 include: first sensing sub-electrodes 81 and second sensing sub-electrodes 81 The sub-electrode 82, any inductive sub-electrode in the first inductive sub-electrode 81 and the second inductive sub-electrode 82 is connected to the first input terminal of the differential operation unit 10, and the other inductive sub-electrode is connected to the di...

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Abstract

The invention discloses a touch structure, a touch display panel, a touch display device and a touch driving method. The touch structure comprises touch scanning electrodes, touch induction electrodes, difference operation units and inverse phase units. Each touch induction electrode comprises a first induction sub-electrode and a second induction sub-electrode, wherein either the first induction sub-electrode or the second induction sub-electrode is connected to a first input terminal of the corresponding difference operation unit, the other induction sub-electrode is connected to a second input terminal of the corresponding difference operation unit through the corresponding inverse phase unit. According to the technical scheme, in the difference operation process, noise signals in the first induction sub-electrodes and noise signals in the second induction sub-electrodes are cancelled out, and useful signals in the first induction sub-electrodes and useful signals in the second induction sub-electrodes are superposed to obtain touch induction signals, so the denoising effect is achieved while the useful signals are reserved.

Description

technical field [0001] The present invention relates to the field of display technology, in particular to a touch structure, a touch display panel, a touch display device and a touch driving method. Background technique [0002] The in-cell touch technology integrates the touch structure inside the display panel, so that the display panel itself has a touch function. The in-cell touch display device has many advantages such as the manufacturing of touch elements can be completed in the standard manufacturing process of the touch display device, there is no problem of lamination and alignment, the product is lighter and thinner, no frame is required, and a full flat design can be achieved. It is one of the hotspots of current research in this field. [0003] figure 1 is a schematic cross-sectional view of an in-cell touch display panel in the prior art, figure 2 for figure 1 The top view of the touch structure in the shown touch display panel, such as figure 1 with fi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/041G06F3/044
CPCG06F3/0445G06F3/04184G06F3/0412G06F2203/04111
Inventor 刘英明董学王海生丁小梁李昌峰
Owner BOE TECH GRP CO LTD
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