Unlock instant, AI-driven research and patent intelligence for your innovation.

Piezoelectric generating device and method of making the same, and display device

A technology of piezoelectric power generation and piezoelectric materials, which is applied in the manufacture/assembly of piezoelectric/electrostrictive devices, piezoelectric devices/electrostrictive devices, and components of piezoelectric devices or electrostrictive devices, etc. It can solve the problems of high cost, opacity, and inability of the conductive layer to coat the nanowires uniformly, and achieve the effects of good electrical conductivity, high aspect ratio, and excellent mechanical and electrical properties.

Active Publication Date: 2018-02-27
BOE TECH GRP CO LTD
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims at the problem that the conductive layer cannot uniformly cover the nanowires in the existing piezoelectric power generation device, and the conductive layer is expensive and opaque, and provides a piezoelectric power generation device and its preparation method and display device

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Piezoelectric generating device and method of making the same, and display device
  • Piezoelectric generating device and method of making the same, and display device
  • Piezoelectric generating device and method of making the same, and display device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] This embodiment provides a piezoelectric power generation device, comprising: a first electrode and a second electrode disposed opposite to each other;

[0049] The opposite surfaces of the first electrode and the second electrode are respectively provided with a plurality of first nanowires arranged in an array and a plurality of second nanowires arranged in an array;

[0050] Wherein, the surface of the first nanowire is provided with a carbon nanotube layer;

[0051] Both the first nanowire and the second nanowire are made of piezoelectric material.

[0052] In the piezoelectric power generation device of this embodiment, a carbon nanotube layer is coated on the surface of the first nanowire, and the carbon nanotube has good electrical conductivity, and has a very high aspect ratio and excellent mechanical and electrical properties; The nanotubes are nanoscale. Compared with the micron-scale Au in the prior art, carbon nanotubes are used as the conductive layer, and...

Embodiment 2

[0054] This embodiment provides a piezoelectric generator, such as figure 2 As shown, it includes: a first electrode 1 and a second electrode 4 oppositely arranged;

[0055] The opposite surfaces of the first electrode 1 and the second electrode 4 are respectively provided with a plurality of first nanowires 31 arranged in an array and a plurality of second nanowires 32 arranged in an array;

[0056] Wherein, the surface of the first nanowire 31 is provided with a carbon nanotube layer 7;

[0057] Both the first nanowire 31 and the second nanowire 32 are made of piezoelectric material.

[0058]In the piezoelectric power generation device of this embodiment, the surface of the first nanowire 31 is coated with a carbon nanotube layer 7, and the carbon nanotube has good electrical conductivity, and has a very high aspect ratio and excellent mechanical and electrical properties; , carbon nanotubes are nanoscale, compared to micron-scale Au in the prior art, such as figure 2 A...

Embodiment 3

[0076] This embodiment provides a method for preparing the piezoelectric power generation device of Embodiment 2, comprising the following steps:

[0077] Forming a first nanowire 31 array on the surface of the first electrode 1 close to the second electrode 4, and then forming a carbon nanotube layer 7 on the surface of each first nanowire 31 of the first nanowire 31 array;

[0078] Forming a second nanowire 32 array on the surface of the second electrode 4 close to the first electrode 1;

[0079] Both the first nanowire 31 and the second nanowire 32 are made of piezoelectric material.

[0080] The preparation method of the piezoelectric power generation device in this embodiment is simple to operate, and the gaps between the first nanowires 31 and the surface of the first nanowires 31 close to the first electrode 1 can be evenly coated with carbon nanotubes by this method.

[0081] Preferably, forming the first nanowire 31 array is forming the first nanowire 31 array by ele...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The present invention provides a piezoelectric power generation device and its preparation method and display device, belonging to the field of display technology, which can solve the problem that the conductive layer in the existing piezoelectric power generation device cannot uniformly cover the nanowires, and the conductive layer is expensive and opaque. question. In the piezoelectric power generation device of the present invention, a carbon nanotube layer is coated on the surface of the first nanowire, and the carbon nanotube has good electrical conductivity, and has a very high aspect ratio and excellent mechanical and electrical properties; the carbon nanotube is used As the conductive layer, the gaps between the first nanowires and the surface of the first nanowires close to the first electrode can be uniformly coated with carbon nanotubes. The piezoelectric generating device of the present invention is suitable for various display devices, especially for touch display devices.

Description

technical field [0001] The invention belongs to the field of display technology, and in particular relates to a piezoelectric generating device, a preparation method thereof, and a display device. Background technique [0002] The emergence of zinc oxide (ZnO) nano-piezoelectric power generation devices has realized the coupling of the dual properties of semiconductors and piezoelectrics for the first time, providing a specific technical route for leaping from nano-devices to nano-systems, and can effectively collect biological and even nature. The negligible amount of mechanical energy is used to meet the energy required for the normal operation of nano-devices. [0003] ZnO nano piezoelectric generators in the prior art such as figure 1 As shown, after the upper electrode 10 is subjected to a downward force, the ZnO nanowires 30 on the upper electrode 10 move relative to the ZnO nanowires 30 on the lower electrode 40, and the pressure causes the nanowires to contact and d...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H01L41/04H01L41/08H01L41/18H01L41/22B82Y30/00H10N30/80H10N30/00H10N30/01H10N30/85
CPCB82Y30/00H10N30/80H10N30/00H10N30/85H10N30/01
Inventor 杨添季春燕田彪康昭陈宁朱小研
Owner BOE TECH GRP CO LTD