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A touch detection method and device

A touch detection and detection method technology, applied in the field of touch detection methods and devices, can solve problems such as slow response, pause, and no response of equipment, and achieve the effects of reducing the number of detections, improving the response rate, and reducing the requirements for the operation rate.

Active Publication Date: 2016-03-09
BEIJING BOE OPTOELECTRONCIS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Embodiments of the present invention provide a touch detection method and device to solve the problems in the prior art that the device responds too slowly, stops or does not respond due to too many times of touch detection

Method used

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  • A touch detection method and device

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Experimental program
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Embodiment Construction

[0033] Embodiments of the present invention provide a touch detection method and device. The method divides several detection rows in the touch screen into row groups, and performs touch detection synchronously on each detection row in each row group. When the pixel column for touch feedback (that is, when a pixel is touched, the charge carried by the capacitor at this position or the resistance value of the resistor at this position changes, and a feedback signal is generated), the pixel column located in the selected detection row in the pixel column Pixels are touch detected to determine the touch pixels. Compared with the traditional touch detection of each pixel in turn, the number of detections is reduced, which effectively reduces the computing speed requirements of the touch screen processor and shortens the total time of touch detection. Improves the response rate, which solves the problem that the device responds slowly, freezes, or becomes unresponsive due to too man...

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PUM

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Abstract

The embodiments of the present invention provide a touch detecting method and a touch detecting apparatus. The touch detecting method may include: dividing a plurality of detecting rows in a touch screen into row groups; determining a selected detecting row in each row group; performing a primary touch detecting on pixel points in each detecting row in each row group, wherein the touch detecting on the pixel points in the same pixel column in the same row group is performed synchronously; upon there being a pixel column existing touch feedback in any row group, performing a subsidiary touch detecting on the pixel points in the selected detecting row in the pixel column, to determine the pixel point being touched. The touch detecting method and touch detecting apparatus according to the embodiments may solve problems of responding slowly, halting, or not responding caused by too many touch detecting times in the prior art.

Description

technical field [0001] The invention relates to the technical field of touch detection, in particular to a touch detection method and device. Background technique [0002] Existing touch screen detection methods currently include: resistive touch detection methods, capacitive touch detection methods, infrared touch detection methods, surface acoustic wave touch detection methods, electromagnetic touch detection methods, and the like. Touchscreens in mobile devices such as cell phones and tablets typically use resistive and capacitive technologies. In resistive technology, the touch panel is coated with two layers of ITO (Indium Tin Oxides, indium tin oxide) oxide layers. When the touch panel is touched, the two ITO layers are in contact, so that a switch corresponding to the touched position is closed, and the corresponding information is sent to the processor for further processing. In capacitive technology, the touch panel is coated with a material that stores electrical...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/041G06F3/044
CPCG06F3/04166G09G3/20
Inventor 徐帅于尧张郑欣
Owner BEIJING BOE OPTOELECTRONCIS TECH CO LTD