Patent ID: 11924565
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 16:
17. An image sensor comprising:
a pixel array including a pixel area and a dummy area, the pixel area including a pixel, the dummy area including a monitoring circuit;
a row driver configured to output a plurality of driving signals to the pixel and the monitoring circuit; and
a detector configured to receive a monitoring signal from the monitoring circuit,
wherein the monitoring circuit comprises at least two n-type monitoring transistors coupled to each other in parallel and one n-type monitoring transistor coupled to two n-type monitoring transistors in series,
wherein the two n-type monitoring transistors connected in series comprises a first transistor and a second transistor, and
wherein a drain of the first transistor is connected to a source of the second transistor.