Ultrasonic detection panel and driving method thereof, and imaging device

By designing an ultrasonic detection panel, using precisely controlled signals, one ultrasonic transmission can collect two-dimensional echo signal distributions at multiple different moments, solving the problem of long ultrasonic detection time in the prior art and improving detection efficiency.

CN115541719BActive Publication Date: 2025-03-21BOE TECHNOLOGY GROUP CO LTD
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Patent Information

Application Number
CN202211136439.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-09-19
Publication Date
2025-03-21
Estimated Expiration
2042-09-19

AI Technical Summary

Technical Problem

The existing ultrasonic imaging array takes a long time to collect two-dimensional echo signal distributions at multiple different moments, affecting the detection efficiency.

Method used

An ultrasonic detection panel is designed, including an array-distributed ultrasonic detection unit group, each unit includes an ultrasonic sensor and a detection driving circuit. By precise control of the enable signal, scan signal and reset control signal, a single ultrasonic transmission can collect two-dimensional echo signal distributions at multiple different times.

Benefits of technology

The ultrasonic detection time is significantly reduced, the detection efficiency is improved, and the imaging device can more quickly acquire ultrasonic echo signal distribution images for multiple moments.

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Abstract

The present disclosure provides an ultrasonic detection panel and its driving method and imaging device, which belong to the field of ultrasonic imaging technology. The ultrasonic detection panel includes a driving circuit and an array-distributed ultrasonic detection unit group; the ultrasonic detection unit group includes multiple ultrasonic detection units, and the ultrasonic detection unit includes an ultrasonic sensor and a detection driving circuit; the ultrasonic sensor can generate an induced voltage in response to an ultrasonic signal; the driving circuit includes an enable line for loading an enable signal, a scanning line for loading a scanning signal, and a data line; the detection driving circuit is configured to be able to collect the induced voltage on the ultrasonic sensor in response to the enable signal; it can generate a detection signal according to the induced voltage in response to the scanning signal and load it to the data line; wherein, in the same ultrasonic detection unit group, different detection driving circuits are electrically connected to different enable lines. The ultrasonic detection panel can collect two-dimensional echo signal distribution images at multiple different times using one ultrasonic emission.
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