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Touch control display device and touch control wake-up signal generation method thereof

A touch display device, wake-up signal technology, applied in instruments, electrical digital data processing, digital data processing components, etc., can solve the problems of noise interference, horizontal scrolling stripes, signal display data synchronization, etc. quality effect

Active Publication Date: 2019-03-01
AU OPTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, since the touch display device using AES technology outputs a touch wake-up signal with a peak-to-peak voltage of up to 9 volts at the same time on each touch transmission line, and such a powerful signal is not synchronized with the display data of the touch display device , so it will produce a lot of noise interference to the picture quality of the touch display device, causing it to have horizontal scrolling stripes. Therefore, how to avoid the picture quality of the touch display device from being affected by the noise interference of the touch wake-up signal becomes an important subject

Method used

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  • Touch control display device and touch control wake-up signal generation method thereof
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  • Touch control display device and touch control wake-up signal generation method thereof

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Embodiment Construction

[0047] Please refer to figure 1 , figure 1 A schematic diagram of a touch display device applicable to a method for generating a touch wake-up signal according to an embodiment of the present invention is shown. The touch display device 100 of this embodiment includes a touch display panel 110 , a timing controller 120 , a source driver 130 , a touch controller 140 , a memory device 150 and an active touch medium 160 .

[0048] Here, please refer to figure 2 The invention shown figure 1 A schematic diagram of the touch display panel of the touch display device of the embodiment. The touch display panel 110 in the touch display device 100 includes an active display area 110a and a virtual display area 110b. When the touch display panel 110 performs a touch display operation, in one frame period, the vertical scanning time interval VSI is activated according to the vertical synchronous signal VS, so as to control the active display area 110a and the virtual display area 110...

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Abstract

The invention discloses a touch control display device and a touch control wake-up signal generation method thereof. The touch control display device comprises a touch control display panel, a time schedule controller, and a source electrode driver. The touch control wake-up signal generation method comprises following steps: reading wake-up protocol information; based on the wake-up protocol information, starting wake-up mechanism, and when the wake-up mechanism is started, making multiple source lines of the touch control display device deliver touch control wake-up signals in a vertical blank time interval; wherein the touch control wake-up signal is provided with a plurality of pulses, and each pulse is transformed between a first voltage and a second voltage.

Description

technical field [0001] The present invention relates to a touch display device and a method for generating a touch wake-up signal thereof, and in particular to a touch display device capable of preventing the image quality of the touch display device from being affected by the touch wake-up signal and generating a touch wake-up signal thereof method. Background technique [0002] In recent years, most of the active stylus adopts Active Electrostatic Solution (AES) technology to improve the accuracy of the edge of the screen and reduce the parallax. However, the active stylus using AES technology must have a power supply before it can be used. Since it is not desirable to configure a power switch on the active stylus, and for the purpose of saving power, most manufacturers will use the touch display at regular intervals. A touch transmission (Transmission, Tx) line of the panel outputs a touch wake-up signal to perform a wake-up action. [0003] However, since the touch dis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/041
CPCG06F3/0412G06F3/0416G06F1/3262G06F3/04184G06F3/04166
Inventor 何宗轩
Owner AU OPTRONICS CORP
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