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Touch display device, pressure sensing unit and manufacturing method of pressure sensing unit

A technology of sensing unit and touch sensing, which is applied in the direction of instruments, electrical digital data processing, and input/output process of data processing, etc., can solve the problems of inaccurate reflection of changes in pressure and low sensitivity of pressure sensing, and achieve multi-point Pressure recognition and positioning, and the effect of improving pressure response sensitivity

Inactive Publication Date: 2017-05-31
NANCHANG O FILM TECH CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this method does not limit the operating medium, since the pressure sensing component is set at the bottom of the display screen, this setting position determines that the pressure sensing sensitivity is not high and cannot accurately reflect changes in pressure

Method used

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  • Touch display device, pressure sensing unit and manufacturing method of pressure sensing unit
  • Touch display device, pressure sensing unit and manufacturing method of pressure sensing unit
  • Touch display device, pressure sensing unit and manufacturing method of pressure sensing unit

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Embodiment Construction

[0027] The touch display device provided by the present invention can be used as a display terminal with a touch interaction form such as a mobile phone and a tablet computer.

[0028] The touch display device includes a protective cover, a touch sensing unit, a pressure sensing unit and a display unit.

[0029] The protective cover can be a strengthened glass cover, a plastic cover, a polymethyl methacrylate (PMMA) cover or the like.

[0030] The touch sensing unit includes touch driving electrodes and touch sensing electrodes. The touch driving electrodes and the touch sensing electrodes can be distributed on the same substrate, such as the so-called GF structure, GF2 structure, etc. in the industry, or respectively distributed on two different substrates, such as the GFF structure called in the industry. In some other embodiments, the touch driving electrodes and the touch sensing electrodes may also be formed on the lower surface of the protective cover so that the protec...

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Abstract

The invention relates to a touch display device, a pressure sensing unit adopted by the touch display device and a manufacturing method of the pressure sensing unit. The pressure sensing unit comprises a base material, multiple first electrodes, multiple second electrodes and multiple force sensing resistor layers, wherein the multiple first electrodes, the multiple second electrodes and the multiple force sensing resistor layers are formed in the surface of the base material, the multiple first electrodes extend in the first direction and are long strip-shaped, the multiple first electrodes are distributed at intervals in the second direction, the multiple second electrodes are mutually arranged in the gaps between any two adjacent first electrodes at intervals, each of the force sensing resistor layers passes over one corresponding first electrode and is connected to the two second electrodes at the two sides of the corresponding first electrode. The pressure sensing unit is arranged between a protection cover and a display unit of the touch display device, so that the sensitivity of pressure sensing is high, and the method of pressure sensing does not limit operational media.

Description

technical field [0001] The present invention relates to the field of touch display, in particular to a pressure sensing unit used in a touch display device and a method for manufacturing the pressure sensing unit, and also to a touch display device having the above pressure sensing unit. Background technique [0002] Due to its advantages of ease of operation and flexibility, the touch screen has become the main means of human-computer interaction for personal mobile communication devices and comprehensive information terminals (such as mobile phones, tablet computers and super notebook computers, etc.). Compared with resistive touch screens and other types of touch screens, capacitive touch screens are gradually being widely used in smart terminals due to their advantages of low cost, simple structure, and durability. The traditional capacitive touch screen only senses the touch position and operation of the plane where the screen body is located, and it is difficult to sen...

Claims

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Application Information

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IPC IPC(8): G06F3/041
CPCG06F3/0412G06F3/0414G06F2203/04103
Inventor 倪宇阳唐彬郑刚强黄梅峰钭忠尚徐觅
Owner NANCHANG O FILM TECH CO LTD
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