Thomas | Horstemeyer, LLP
Ultrasonic fingerprint recognition method, device and system, display device and storage medium
An ultrasonic fingerprint recognition module is described that includes sensing units distributed in the form of array, where the sensing units include: a receiving electrode layer having a plurality of receiving electrodes distributed in the form of array; a piezoelectric material layer disposed on one side of the receiving electrode layer; an emission electrode layer disposed on a side of the piezoelectric material layer distal to the receiving electrode layer, and including a plurality of rows of emission electrodes; a selection circuit having an input terminal which is connected with an excitation signal and an output terminal which is connected with the emission electrode for selecting to transmit the excitation signal to the plurality of emission electrodes; and a pixel receiving circuit connected to the receiving electrode layer that receives a fingerprint signal.
BOE TECHNOLOGY GROUP CO., LTD.
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G06F G06F G06V
inventional inventional inventional
Yuzhen Xiaoliang Chenyang Xiufeng Yanling Lijun Peixiao Yaqian Haisheng Pengpeng
Guo Ding Zhang Li Han Zhao Li Ji Wang Wang