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Touch panel and sensing method thereof

A technology of touch panel and sensing method, which is applied in the directions of instruments, computing, and electrical digital data processing, etc., which can solve the problems of reduced reliability of driver chip, complicated circuit, increase of size of touch panel driver chip, etc., and reduce the number of contacts , the effect of size reduction

Active Publication Date: 2020-04-07
AU OPTRONICS CORP
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

In this way, not only the size of the touch panel driver chip is increased, but also the internal circuits of the driver chip are quite complicated in order to provide a sufficient number of contacts, resulting in a decrease in the reliability of the driver chip, and a coupling capacitance is easily generated between the circuits. cause noise on the connection line

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  • Touch panel and sensing method thereof
  • Touch panel and sensing method thereof
  • Touch panel and sensing method thereof

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Embodiment Construction

[0049] The detailed features and advantages of the present invention are described in detail below in the embodiments, the content of which is sufficient to enable any person familiar with the relevant art to understand the technical content of the present invention and implement it accordingly, and according to the content disclosed in this specification, the scope of the patent application and the drawings , anyone skilled in the relevant art can easily understand the related objects and advantages of the present invention. The following examples are to further describe the viewpoints of the present invention in detail, but not to limit the scope of the present invention in any way.

[0050] Please refer to figure 1 and figure 2 , figure 1 is a schematic diagram of a touch panel according to an embodiment of the present invention, figure 2 It is a voltage sequence diagram of a touch panel according to another embodiment of the present invention. As shown in the figure,...

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Abstract

A touch panel and sensing method thereof include a first sensing pad group, a second sensing pad group and a first selection module. The first selection module includes a first selection terminal, a first input terminal, a first output terminal and a second output terminal. At a first time period, a first control signal is provided to the first selection terminal to conduct the first sensing pad group and a first driving signal terminal, and first sensing data of the first sensing pad group is determined. At a second time period, the first control signal is provided to the first selection terminal to conduct the second sensing pad group, and a first driving signal terminal and second sensing data is determined.

Description

technical field [0001] The present invention relates to a touch panel and a sensing method thereof, in particular to a touch panel with a first selection module and a sensing method thereof. Background technique [0002] Generally speaking, in order to drive the sensors in a time-division and area-division manner, each sensor needs to be independently connected to the touch panel driver chip with a connection line, and the touch panel driver chip provides the driving signal and transmits it to the sensor through the connection line. The sensor is used to charge the sensor to sense the user's touch behavior on the touch panel. [0003] In order for each sensor to be connected to the touch panel driver chip, the touch panel driver chip must have enough contacts for sensor connection. In this way, not only the size of the touch panel driver chip is increased, but also the internal circuits of the driver chip are quite complicated in order to provide a sufficient number of cont...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/044
CPCG06F3/044G06F3/04164G06F3/04166G06F3/0418G06F3/0443
Inventor 邹昆峰
Owner AU OPTRONICS CORP