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Touch panel, touch liquid crystal screen and driving method of touch panel

A touch panel and driving method technology, applied in the input/output process of data processing, instruments, calculations, etc., can solve problems such as increasing the thickness of the touch panel, and achieve the effect of avoiding the impact

Active Publication Date: 2016-08-31
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this method can solve the above problems, it needs to set up a special heating layer, which will undoubtedly increase the thickness of the touch panel

Method used

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  • Touch panel, touch liquid crystal screen and driving method of touch panel
  • Touch panel, touch liquid crystal screen and driving method of touch panel
  • Touch panel, touch liquid crystal screen and driving method of touch panel

Examples

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Embodiment Construction

[0047] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0048] An embodiment of the present invention provides a touch panel, the touch panel includes a substrate and a plurality of touch electrodes 110 disposed on the substrate, the touch electrodes 110 include a plurality of first electrodes 111 and a plurality of second electrodes 112, the first The electrode 111 and the second electrode 112 are insulated from each other, figure 1 It is a schematic diagram of the electrical connection structure of a touch panel provided by an embodiment of the present invention, as shown in figure 1 As shown, the touch panel further includes a switch unit 130 disposed on the substrate, and the switch unit 130 is respectively connected to the touch electrodes 110 , the power source 140 and the touch sensi...

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PUM

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Abstract

The invention discloses a touch panel, a touch liquid crystal screen and a driving method of the touch panel, and belongs to the technical field of touch. The touch panel comprises a substrate and a touch electrode arranged on the substrate, wherein the touch electrode comprises a first electrode and a second electrode; the touch panel also comprises a switching unit; the touch electrode and a touch sensing circuit are disconnected in a heating stage; the first electrode, the second electrode and a power supply are controlled to form a conducted loop; the first electrode and the second electrode are used for heating to realize a heating function; in a touch stage, the touch electrode and the power supply are disconnected so as to disconnect the first electrode from the second electrode; and in addition, the touch electrode and the touch sensing circuit are connected again so as to stop heating to realize a touch function. Therefore, the own touch electrode structure of the touch panel can be adopted to realize self heating at a low temperature, and influence on the normal work of the touch panel at the low temperature can be avoided.

Description

technical field [0001] The invention relates to the field of touch technology, in particular to a touch panel, a touch liquid crystal screen and a driving method for the touch panel. Background technique [0002] The touch panel is a direct embodiment of touch technology, providing people with a simple and convenient way of human-computer interaction, which greatly facilitates the operation of various electronic products. [0003] Existing touch panels are mainly capacitive touch panels. Capacitive touch panels usually include a plurality of touch electrodes arranged at intervals. Capacitance is formed between these touch electrodes and ground or between touch electrodes. The position of the touch point on the touch panel is determined by detecting the capacitance between the touch electrode and the ground or the capacitance change between the touch electrode and the touch electrode. Since the size of the capacitance is related to the temperature, the change of temperature ...

Claims

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Application Information

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IPC IPC(8): G06F3/044G06F3/041G02F1/1333
CPCG02F1/13338G06F3/0416G06F3/044
Inventor 王茜
Owner BOE TECH GRP CO LTD
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