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Pressure sensing module and touch display substrate

A touch display substrate, pressure sensing technology, applied in the direction of instrument, electrical digital data processing, data processing input/output process, etc., can solve the problems of unsatisfactory accuracy and sensitivity, and improve the sensitivity and accuracy of pressure sensing , the effect of increasing the capacitance area

Inactive Publication Date: 2017-11-10
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the current piezoelectric touch sensing coordinate position accuracy and sensitivity are not ideal

Method used

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  • Pressure sensing module and touch display substrate
  • Pressure sensing module and touch display substrate
  • Pressure sensing module and touch display substrate

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Embodiment Construction

[0031] see figure 1 ,in, figure 1 It is a schematic perspective view of the three-dimensional structure of the touch display device 100 in a preferred embodiment of the present invention. It should be noted that in this embodiment, the touch display device 100 is described by taking a liquid crystal display device as an example. In other modified embodiments of the present invention, the touch display device 100 may also be other types of display devices, such as electromechanical Excitation light display (Organic Light-Emitting Diode, OLED), etc.

[0032] Such as figure 1 As shown, the touch display device 100 includes an array substrate 10 , a liquid crystal layer 20 and a color filter substrate 30 , and the liquid crystal layer 20 is sandwiched between the array substrate 10 and the color filter substrate 30 . The array substrate 10 is provided with a plurality of driving elements (not shown in the figure), the color filter substrate 30 is provided with a plurality of op...

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Abstract

The invention relates to a pressure sensing module and a touch display substrate provided with the pressure sensing module. The pressure sensing module comprises a base, an elastic layer, a first electrode layer, a piezoelectric material layer and a second electrode layer, wherein the base, the elastic layer and the first electrode layer are sequentially arranged in a stacked mode; the elastic layer comprises multiple micro-structures which form a concavo-convex surface; the first electrode layer, the piezoelectric material layer and the second electrode layer cooperate to form a pressure sensing module body; and the pressure sensing module body is arranged on the elastic layer and used for sensing pressure exerted on the pressure sensing module.

Description

technical field [0001] The present invention relates to the field of touch display, in particular to a substrate applied to a display device, wherein a pressure sensor for sensing pressure is arranged on the substrate. Background technique [0002] With the popularization of the touch function, many display devices are equipped with the touch function, and are operated in a way of clicking and touching. According to the touch sensing method, it can be subdivided into: electrical signals, such as resistive, capacitive, piezoelectric, and electromagnetic; optical signals, such as infrared; acoustic signals, such as surface Acoustic wave type, acoustic waveguide type, dispersion signal type and acoustic pulse type, etc. However, today's mainstream touch technology is mainly based on capacitive touch. Compared with the early resistive touch, capacitive touch is an indirect touch and has higher reliability. [0003] In a general touch display device, the display area usually ad...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/041
Inventor 张仁淙
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD
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