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Touch display panel, driving method of touch display panel and touch display device

A technology of touch display panel and touch position, which is applied in the directions of instruments, computing, electrical digital data processing, etc. It can solve the problems of low touch effect, large touch screen thickness, and large frame, so as to improve touch effect and meet low resistance requirements. The effect of increasing accuracy

Active Publication Date: 2014-11-19
SHANGHAI TIANMA MICRO ELECTRONICS CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with traditional displays that can only provide display functions, displays using touch screens can enable information interaction between users and display control hosts. Therefore, touch screens can completely or at least partially replace commonly used input devices, making existing The display can not only display, but also touch control. However, the existing touch screen has problems such as low touch effect, large frame, large power consumption, and large thickness of the touch screen when performing touch scanning.

Method used

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  • Touch display panel, driving method of touch display panel and touch display device
  • Touch display panel, driving method of touch display panel and touch display device
  • Touch display panel, driving method of touch display panel and touch display device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] This embodiment provides a touch display panel, such as figure 1 , figure 2 and image 3 As shown, the touch display panel 1 includes a plurality of first direction electrodes 2 and a plurality of second direction electrodes 3, and the touch display panel 1 also includes a first substrate 4 and a TFT array substrate 5 oppositely arranged, wherein the first direction electrodes 2 The second direction electrodes 3 are located on different layers, the plurality of first direction electrodes 2 are located on the side of the first substrate 4 away from the TFT array substrate 5, and the second direction electrodes 3 are located on the side of the first substrate 4 close to the TFT array substrate 5; The touch display panel 1 also includes a first capacitive touch detection unit C1, a first electromagnetic touch detection unit E1, a second capacitive touch detection unit C2 and a second electromagnetic touch detection unit E2, wherein the first capacitive touch detection un...

Embodiment 2

[0064] Such as Figure 4a and Figure 4b As shown, Embodiment 2 provides a touch display panel 1. The same parts of Embodiment 2 and Embodiment 1 will not be repeated. The difference between Embodiment 2 and Embodiment 1 is: the first direction electrode 2 and the second The direction electrodes 3 are located between the TFT array substrate 5 and the first substrate 4 .

Embodiment 3

[0066] Such as Figure 5 As shown, the third embodiment provides a touch display panel 1, the same part of the third embodiment and the first embodiment will not be repeated, the difference between the second embodiment and the first embodiment is that the touch display panel 1 also includes an insulating The material layer 41 is located between the first direction electrode 2 and the second direction electrode 3 , and both the first direction electrode 2 and the second direction electrode 3 are located on the side of the first substrate 4 away from the TFT array substrate 5 .

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Abstract

The invention discloses a touch display panel. The touch display panel comprises multiple electrodes in the first direction and multiple electrodes in the second direction and further comprises a first substrate and a TFT array substrate, wherein the first substrate and the TFT array substrate are arranged oppositely. During capacitance touch detection, first capacitance detection signals are applied to all the electrodes in the first direction and second capacitance detection signals are applied to all the electrodes in the second direction. During electromagnetic touch detection, at least two electrodes in the first direction are electrically connected to form a coil in the first direction, a first electromagnetic detection signal is applied to the coil in the first direction, at least two electrodes in the second direction are electrically connected to form a coil in the second direction, and a second electromagnetic detection signal is applied to the coil in the second direction.

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 touch display device. Background technique [0002] With the rapid development of display technology, touch panels (Touch Panel) have gradually spread in people's lives. Compared with traditional displays that can only provide display functions, displays using touch screens can enable information interaction between users and display control hosts. Therefore, touch screens can completely or at least partially replace commonly used input devices, making existing The display can not only display, but also touch control. However, the existing touch screen has problems such as low touch effect, large frame, large power consumption, and large thickness of the touch screen when performing touch scanning. Contents of the invention [0003] In view of this, the present invention provides a touch display panel, a driving m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/044G06F3/046
Inventor 卢峰姚绮君马骏
Owner SHANGHAI TIANMA MICRO ELECTRONICS CO LTD