Patent ID: 11948964
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 3:
4. The image sensor of claim 3,
wherein each of the second unit pixel, the third unit pixel, and the fourth unit pixel comprises a second transfer transistor structure, a source follower transistor structure, and a selection transistor structure,
wherein the second transfer transistor structure comprises the third gate structure and the second channel region of the fourth pillar, and the second drain region of the fourth pillar,
wherein the source follower transistor structure comprises the fourth gate structure and the second channel region of the fifth pillar, and the second drain region of the fifth pillar, and
wherein the selection transistor structure comprises the fifth gate structure and the second channel region of the sixth pillar, and the second drain region of the sixth pillar.