Patent ID: 11942491
Assignee: ENKRIS SEMICONDUCTOR, INC.
Field: Semiconductors (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 1:
2. The GaN-based image sensor of claim 1, wherein,
the red light sensing sub-unit comprises:
an N type first semiconductor layer, and
a P type first semiconductor layer, wherein the N type first semiconductor layer and the P type first semiconductor layer are located at both sides of the red light sensing layer respectively;

the green light sensing sub-unit comprises:
an N type second semiconductor layer, and
a P type second semiconductor layer, wherein the N type second semiconductor layer and the P type second semiconductor layer are located at both sides of the green light sensing layer respectively;

the blue light sensing sub-unit comprises:
an N type third semiconductor layer, and
a P type third semiconductor layer, wherein the N type third semiconductor layer and the P type third semiconductor layer are located at both sides of the blue light sensing layer respectively;

wherein (a) the N type first semiconductor layer, the N type second semiconductor layer and the N type third semiconductor layer, or (b) the P type first semiconductor layer, the P type second semiconductor layer and the P type third semiconductor layer are connected to the metal interconnection structure to input light sensing electrical signals generated by the red light sensing sub-unit, the green light sensing sub-unit and the blue light sensing sub-unit to the light sensing processing circuit.