Patent · US Active

Ultrasonic sensing module, ultrasonic sensing device and control method thereof, display device

US11579274B2 · kind B2 · utility

0Cited by

0References

16Claims

0Family size

Assignee

BOE Technology Group Co., Ltd. · CN

Inventors

Xiufeng Li · Beijing, CN
Yingming Liu · Beijing, CN
Haisheng Wang · Beijing, CN
Xiaoliang Ding · Beijing, CN
Pengpeng Wang · Beijing, CN
Yuzhen Guo · Beijing, CN
Lijun Zhao · Beijing, CN
Chenyang Zhang · Beijing, CN
Yaqian Ji · Beijing, CN
Yanling Han · Beijing, CN
Peixiao Li · Beijing, CN

Key dates

Filing date	Mar 27, 2020
Grant date	Feb 14, 2023
Priority date	—
Expiry date	Apr 8, 2041

Classification

Technology area (CPC H)Electricity
CPC primaryH10N30/872
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

An ultrasonic sensing module, an ultrasonic sensing device and a control method thereof, and a display device. The ultrasonic sensing module includes a first electrode layer, a piezoelectric layer, a receiving electrode layer and an emission electrode layer. The first electrode layer is on a first side of the piezoelectric layer; the receiving electrode layer and the emission electrode layer insulated from the receiving electrode layer are on a second side of the piezoelectric layer; and the second side is opposite to the first side.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.