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Touch display panel and its driving method, detection method of sensing signal

A technology for touch display panels and sensing signals, which is applied in the detection of sensing signals, touch display panels and their drive fields, and can solve problems such as the decline in the conductivity of thin film transistors, affecting the reporting rate, and long scanning cycles, so as to avoid Leakage phenomenon, improve reporting rate, and shorten scanning time

Active Publication Date: 2018-05-18
BOE TECH GRP CO LTD +1
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Problems solved by technology

[0004] The purpose of the present invention is to provide a touch display panel, its driving method, and the detection method of the sensing signal, which are used to solve the problem of long scanning period of the touch screen under the premise of meeting the requirements of narrow borders and high bonding yield. In turn, the problem of affecting the report rate, and the thin film transistor in the visible area of ​​the touch screen will be affected by the light-induced degradation effect and prone to the problem of reduced conductivity

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  • Touch display panel and its driving method, detection method of sensing signal
  • Touch display panel and its driving method, detection method of sensing signal
  • Touch display panel and its driving method, detection method of sensing signal

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Embodiment Construction

[0030] In order to further illustrate the touch display panel provided by the embodiments of the present invention, its driving method, and the detection method of the sensing signal, a detailed description will be given below in conjunction with the accompanying drawings.

[0031] see figure 1, in the touch display panel provided by the embodiment of the present invention, the touch area of ​​the touch display panel is provided with a plurality of touch driving electrodes and a plurality of touch sensing electrodes, and the edge of the touch display panel is provided for providing the touch display panel with A drive unit for driving signals; wherein, the drive unit includes: the first gate drive circuit to the Nth gate drive circuit sequentially coupled in a cascaded manner, the enabling terminal of the first gate drive circuit is connected to the touch display The field synchronous signal line on the edge of the panel is connected, and the output end of the N-1th gate drive...

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Abstract

A touch display panel and a driving method thereof, and a detection method of sensing signals are provided. A touch region of the touch display panel includes a plurality of touch driving electrodes and a plurality of touch sensing electrodes, and a drive unit is arranged on an edge of the touch region. The drive unit includes a first gate drive circuit to an N-th gate drive circuit coupled sequentially in a cascading manner.

Description

technical field [0001] The present invention relates to the field of display technology, in particular to a touch display panel, a driving method thereof, and a detection method of a sensing signal. Background technique [0002] With the continuous development of display technology, the application of touch screen has become more and more extensive. According to different working principles, touch screens are generally divided into: resistive touch screen, capacitive touch screen and infrared touch screen, etc.; The touch screen generally includes touch driving electrodes and touch sensing electrodes. When the driving signal is input to the touch driving electrodes, the voltage signal coupled by the touch sensing electrodes through the inductive capacitance is correspondingly detected. In this process, when a human body touches the When the capacitive touch screen is used, the electric field of the human body will act on the sensing capacitor, causing the capacitance of the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/041
CPCG06F3/0412G06F2203/04111G06F3/04166G06F3/0443G06F3/0445G06F3/0446G06F2203/04102G06F2203/04103
Inventor 杨清邵贤杰冯思林
Owner BOE TECH GRP CO LTD
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