Invention Grant
- Patent Title: Fingerprint identification module, manufacturing method and driving method thereof, display device
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Application No.: US16575716Application Date: 2019-09-19
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Publication No.: US11120243B2Publication Date: 2021-09-14
- Inventor: Yingming Liu , Haisheng Wang , Xiaoliang Ding , Pengpeng Wang , Xiufeng Li , Chenyang Zhang , Peixiao Li
- Applicant: BOE TECHNOLOGY GROUP CO., LTD.
- Applicant Address: CN Beijing
- Assignee: BOE TECHNOLOGY GROUP CO., LTD.
- Current Assignee: BOE TECHNOLOGY GROUP CO., LTD.
- Current Assignee Address: CN Beijing
- Priority: CN201910081953.8 20190128
- Main IPC: G06K9/00
- IPC: G06K9/00 ; H01L41/18 ; G06F3/01

Abstract:
A fingerprint identification module, a manufacturing method thereof, a driving method thereof, and a display device are disclosed. The fingerprint identification module includes: a plurality of ultrasonic wave receiving sensors, configured to receive an ultrasonic wave; and at least one ultrasonic wave emission sensor, configured to emit an ultrasonic wave, each of the plurality of ultrasonic wave receiving sensors includes a first piezoelectric material layer, each of the at least one ultrasonic wave emission sensor includes a second piezoelectric material layer, and a material of the first piezoelectric material layer is different from a material of the second piezoelectric material layer.
Public/Granted literature
- US20200242316A1 FINGERPRINT IDENTIFICATION MODULE, MANUFACTURING METHOD AND DRIVING METHOD THEREOF, DISPLAY DEVICE Public/Granted day:2020-07-30
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