Patent ID: 11940530
Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC G  H  Y | IPC G  H

Claim 2:
3. The ultrasonic fingerprint identification circuit according to claim 2, wherein the plurality of first control signal lines and the plurality of second control signal lines are alternatively arranged, each of the plurality of first control signal lines and the plurality of second control signal lines is arranged in a gap formed between two adjacent ones of the plurality of fingerprint identification unit groups, and one of one of the plurality of first control signal lines and one of the plurality of second control signal lines is arranged in a gap between every two adjacent ones of the plurality of fingerprint identification unit groups; and
wherein one of the plurality of first control signal lines corresponding to an i-th fingerprint identification unit group of the plurality of fingerprint identification unit groups is provided in a gap formed between the i-th fingerprint identification unit group and an (i+1)-th fingerprint identification unit group of the plurality of fingerprint identification unit groups.