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Touch chip, coding method and electronic equipment

A touch chip and touch layer technology, applied in the information field, can solve problems affecting user experience, impact, touch detection impact, etc.

Active Publication Date: 2020-11-13
SHENZHEN GOODIX TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after the screen becomes thinner, the signal of the touch layer in the screen will affect the display picture presented by the display layer, or the signal transmission of the display layer will affect the touch detection of the touch layer, which will affect the user experience. to experience

Method used

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  • Touch chip, coding method and electronic equipment
  • Touch chip, coding method and electronic equipment
  • Touch chip, coding method and electronic equipment

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Experimental program
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Embodiment Construction

[0040] The technical solution in this application will be described below with reference to the accompanying drawings.

[0041] Nowadays, the screens of electronic devices are getting thinner and thinner, so as to reduce the thickness of the electronic devices, or make more space in the electronic devices to accommodate other internal devices under the same thickness. Among them, the conversion of the type of screen from a liquid crystal display (Liquid Crystal Display, LCD) to an organic light emitting diode (Organic Light Emitting Diode, OLED) display is a typical trend. However, when the OLED screen becomes thinner, the basic capacitance of the touch electrodes in the touch layer of the screen becomes larger, and the noise coupled from the display layer to the touch layer becomes larger, which directly affects the performance and sensitivity of touch detection. . At the same time, when performing touch detection or fingerprint detection, the touch coding signal input to th...

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PUM

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Abstract

The invention provides a touch chip, a coding method and electronic equipment. The influence between a touch layer and a display layer of a screen can be reduced. The touch control chip comprises a driving circuit, and the driving circuit is used for outputting a coding signal to a touch control layer of a screen in a first time interval, wherein one field scanning period of a field synchronization signal of a display layer of the screen comprises a pulse width of the field synchronization signal, a rear shoulder of the field synchronization signal, an effective signal interval in the field scanning period and a front shoulder of the field synchronization signal, wherein the effective signal interval is a time interval used for updating pixel data of the display layer in the field scanningperiod, and the first time interval comprises a pulse width of the field synchronization signal, a rear shoulder of the field synchronization signal and a front shoulder of the field synchronizationsignal.

Description

technical field [0001] The embodiments of the present application relate to the field of information technology, and more specifically, relate to a touch chip, a coding method, and an electronic device. Background technique [0002] Nowadays, the screens of electronic equipment are designed to be thinner and thinner, so as to reduce the thickness of the electronic equipment, or make more space in the electronic equipment to accommodate other internal devices under the same thickness. However, after the screen becomes thinner, the signal of the touch layer in the screen will affect the display picture presented by the display layer, or the signal transmission of the display layer will affect the touch detection of the touch layer, which will affect the user experience. experience. Contents of the invention [0003] Embodiments of the present application provide a touch control chip, a coding method and an electronic device, which can reduce the influence between the touch ...

Claims

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Application Information

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IPC IPC(8): G06F3/041G06K9/00
CPCG06F3/0412G06V40/1318G06V40/1306
Inventor 沈海明张冠军
Owner SHENZHEN GOODIX TECH CO LTD