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Patent Searching and Data


Title:
ULTRASONIC FINGERPRINT DETECTION CIRCUIT, ULTRASONIC FINGERPRINT DETECTION METHOD, AND DISPLAY APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/136942
Kind Code:
A1
Abstract:
The present disclosure is related to an ultrasonic fingerprint detection assembly. The ultrasonic fingerprint detection assembly may include an ultrasonic fingerprint detection circuit and a living body detection circuit. The living body detection circuit may be configured to carry out living body detection at a rest stage of the ultrasonic fingerprint detection circuit.

Inventors:
GUO YUZHEN (CN)
WANG HAISHENG (CN)
WU CHUNWEI (CN)
LIU YINGMING (CN)
ZHAO LIJUN (CN)
LIU WEI (CN)
LI CHANGFENG (CN)
XU RUI (CN)
JIA YANAN (CN)
QIN YUNKE (CN)
GU PINCHAO (CN)
DONG XUE (CN)
Application Number:
PCT/CN2018/093673
Publication Date:
July 18, 2019
Filing Date:
June 29, 2018
Export Citation:
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Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
International Classes:
G06K9/00
Domestic Patent References:
WO2017076292A12017-05-11
Foreign References:
CN106951887A2017-07-14
CN101950360A2011-01-19
CN106951130A2017-07-14
Attorney, Agent or Firm:
TEE & HOWE INTELLECTUAL PROPERTY ATTORNEYS (CN)
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