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Touch detection circuit

A technology of detection circuit and touch driving circuit, applied in the field of detection circuit, can solve the problems of increased cost, complicated manufacturing process and reduced yield rate, etc.

Pending Publication Date: 2021-07-16
SITRONIX TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In an environment where touch panels are widely used and the technology is quite mature, the consideration of production procedures and costs is becoming more and more important, so there are so-called in-cell touch panels (On-Cell, In-Cell) or hybrid (Hybrid) Touch control processes such as In-Cell touch panels appear, but no matter which conventional technology is used, it is necessary to make additional touch sensors (Touch Sensor) and additional touch wiring, and to make additional touch sensors and Touch traces complicate the manufacturing process, lower the pass rate and increase the cost

Method used

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Embodiment Construction

[0052] Some terms are used in the description and claims to refer to specific components. However, those with ordinary knowledge in the technical field of the present invention should understand that manufacturers may use different terms to refer to the same component. Moreover, this specification And the claims do not use the difference in name as the way to distinguish components, but the difference in the overall technology of the components as the criterion for distinguishing. "Includes" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". Furthermore, the term "coupled" herein includes any direct and indirect means of connection. Therefore, if it is described that the first device is coupled to the second device, it means that the first device may be directly connected to the second device, or may be indirectly connected to the second device through other devices or other connection means.

[00...

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Abstract

The invention relates to a touch detection circuit, which comprises a touch driving circuit and a touch sensing circuit, the touch driving circuit generates a touch driving signal and provides the touch driving signal to at least one common electrode of a panel, and the touch sensing circuit receives a plurality of sensing signals through a plurality of source lines or / and a plurality of gate lines of the panel so as to detect a touch position. The sensing signal is generated corresponding to a touch driving signal. In addition, the touch driving circuit can provide a touch driving signal to the source electrode lines, and the touch sensing circuit receives a sensing signal through the gate electrode lines so as to detect a touch position.

Description

technical field [0001] The present invention relates to a detection circuit, in particular to a touch detection circuit. Background technique [0002] In an environment where touch panels are widely used and the technology is quite mature, the consideration of production procedures and costs is becoming more and more important, so there are so-called in-cell touch panels (On-Cell, In-Cell) or hybrid (Hybrid) Touch control processes such as In-Cell touch panels appear, but no matter which conventional technology is used, it is necessary to make additional touch sensors (Touch Sensor) and additional touch wiring, and to make additional touch sensors and Touch traces complicate the manufacturing process, lower the yield and increase the cost. [0003] Therefore, it is a difficult problem to be solved at present to simplify the touch detection without having to manufacture additional touch sensors and extra touch traces. Contents of the invention [0004] The purpose of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/041G06F3/044
CPCG06F3/0416G06F3/0445G06F3/0412G06F3/04166
Inventor 叶政忠
Owner SITRONIX TECH CORP
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