The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 04, 2025
Filed:
Sep. 01, 2022
Samsung Electronics Co., Ltd., Suwon-si, KR;
Minho Jang, Suwon-si, KR;
Seungkuk Kang, Seoul, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
An image sensor includes a stack structure including an active pixel region in which a plurality of pixels are defined, and a pad region arranged on at least one side of the active pixel region. The stack structure includes a first substrate including a photoelectric conversion region and a floating diffusion region in each pixel, a first semiconductor substrate, a first front structure on the first semiconductor substrate, and a pad opening penetrating the first semiconductor substrate in the pad region, a second substrate attached to the first substrate and including a pixel gate electrically connected to the floating diffusion region in each pixel, a third substrate attached to the second substrate and including a logic transistor for driving the plurality of pixels, and a pad having a top surface that is exposed through the pad opening.