Three-dimensional touch panel

A three-dimensional touch and panel technology, which is applied to the input/output process of instruments, electrical digital data processing, and data processing, etc., can solve the problems of low pressure detection and large thickness of the three-dimensional touch panel, and improve the accuracy , the effect of reducing thickness

Active Publication Date: 2016-03-23
TPK TOUCH SOLUTIONS (XIAMEN) INC
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Problems solved by technology

[0006] In order to overcome the adverse effects of the current temperature effect on the detection of the pressure value, the problem that the pressure detection is not high and the thickne

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[0042] In order to make the objectives, technical solutions and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and implementation examples. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0043] See Figure 1A to Figure 1C , Figure 1A to Figure 1C It is a schematic diagram of the laminated structure of the three-dimensional touch panel according to the first embodiment of the present invention. Such as Figure 1A As shown, the three-dimensional touch panel 10 of the first embodiment of the present invention includes an insulating dielectric layer 16, and a touch electrode layer 15 and a pressure-sensitive electrode layer 17 are respectively located on opposite sides of the insulating dielectric layer 16. The touch electrode layer 15 includes multiple sets of inter...

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Abstract

The invention provides a three-dimensional touch panel. The three-dimensional touch panel comprises an insulation dielectric layer, a touch electrode layer and a pressure-sensitive electrode layer, wherein the touch electrode layer and the pressure-sensitive electrode layer are respectively positioned at two opposite sides of the insulation dielectric layer; the touch electrode layer comprises multiple sets of insulated and staggered touch electrodes and is used for detecting the position of a touch signal; the pressure-sensitive electrode layer comprises at least one pressure-sensitive electrode correspondingly arranged with at least one part of the touch electrodes and is used for detecting the pressure of the touch signal; the touch electrode correspondingly arranged with the pressure-sensitive electrode is also used for performing temperature compensation of the pressure-sensitive electrode; and the temperature compensation manner includes a positive and negative temperature coefficient material series manner, a value reduction manner and a Wheatstone bridge manner. The three-dimensional touch panel provided by the invention has the advantages of being high in detection precision, light, thin and the like.

Description

【Technical field】 [0001] The invention relates to the field of touch control, in particular to the field of three-dimensional touch control. 【Background technique】 [0002] Touch panels are widely used in various consumer electronic devices, such as portable electronic products such as smart phones, tablet computers, cameras, e-books, and MP3 players, or display screens for operating control devices. In recent years, a three-dimensional touch panel with both plane position detection and pressure pressure detection has attracted extensive attention. [0003] The currently commonly used 3D touch panels usually have a touch electrode layer and a double-layer pressure-sensitive electrode layer. Among them, the touch electrode layer is used to detect the plane position of the touch signal, usually a capacitive touch electrode, which uses the current induction of the human body to work: establish a plane two-dimensional coordinate system (X, Y) in the touch area, and There are t...

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Application Information

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IPC IPC(8): G06F3/041
Inventor 蒋承忠陈风纪贺勋李裕文邱小丽
Owner TPK TOUCH SOLUTIONS (XIAMEN) INC
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