公开(公告)号：US11380722B2

公开(公告)日：2022-07-05

申请号：US16591059

申请日：2019-10-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Min-Woong Seo ,  JungChak Ahn ,  Jae-kyu Lee

IPC: H01L27/146 ,  H04N5/335 ,  H01L27/108 ,  H04N5/355 ,  H04N5/357

Abstract: An image sensor device includes a digital pixel that includes a photo detector, a comparator, and a memory circuit, a pixel driver that controls the digital pixel, and a digital logic circuit that performs a digital signal processing operation on a digital signal output from the digital pixel. The photo detector and a first portion of the comparator are formed in a first semiconductor die, a second portion of the comparator, the memory circuit, and the pixel driver are formed in a second semiconductor die under the first semiconductor die, and the digital logic circuit is formed in a third semiconductor die under the second semiconductor die.