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1. US20200356744 - SENSOR, MANUFACTURING METHOD THEREOF, PANEL AND RECOGNITION DEVICE

Office
United States of America
Application Number 16482008
Application Date 10.01.2019
Publication Number 20200356744
Publication Date 12.11.2020
Publication Kind A1
IPC
G06K 9/00
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
9Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
H01L 41/08
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
41Piezo-electric devices in general; Electrostrictive devices in general; Magnetostrictive devices in general; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
08Piezo-electric or electrostrictive elements
H01L 41/047
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
41Piezo-electric devices in general; Electrostrictive devices in general; Magnetostrictive devices in general; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
02Details
04of piezo-electric or electrostrictive elements
047Electrodes
CPC
H01L 41/047
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
41Piezo-electric devices in general; Electrostrictive devices in general; Magnetostrictive devices in general; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
02Details
04of piezo-electric or electrostrictive devices
047Electrodes ; or electrical connection arrangements
G06K 9/0002
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
9Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
00006Acquiring or recognising fingerprints or palmprints
00013Image acquisition
0002by non-optical methods, e.g. by ultrasonic or capacitive sensing
H01L 41/0805
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
41Piezo-electric devices in general; Electrostrictive devices in general; Magnetostrictive devices in general; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
08Piezo-electric or electrostrictive devices
0805based on piezo-electric or electrostrictive films or coatings
Applicants BOE TECHNOLOGY GROUP CO., LTD.
Inventors Qiang WANG
Title
(EN) SENSOR, MANUFACTURING METHOD THEREOF, PANEL AND RECOGNITION DEVICE
Abstract
(EN)

A sensor, a manufacturing method thereof, a panel, and a recognition device are provided. The sensor comprises a substrate, a first electrode layer on the substrate, a second electrode layer on a side of the first electrode layer away from the substrate, and a piezoelectric layer between the first electrode layer and the second electrode layer. An orthographic projection of a top surface of the piezoelectric layer facing away from the first electrode layer on the substrate covers an orthographic projection of a bottom surface thereof facing the first electrode layer on the substrate.


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