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. 24, 2020
Filed:
Jun. 06, 2019
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/146 (2006.01);
U.S. Cl.
CPC ...
H01L 27/1464 (2013.01); H01L 27/14621 (2013.01); H01L 27/14643 (2013.01);
Abstract
Back side illumination (BSI) image sensors are provided. A BSI image sensor includes a substrate and a plurality of pixels configured to generate electrical signals responsive to light incident on the substrate. Each of the plurality of pixels includes a photodiode, an infrared radiation (IR) cut-off filter above the photodiode, a light shield pattern above the photodiode and including an opening corresponding to an area of 1 to 15% of each of the plurality of pixels, a planarization layer on the light shield pattern, and a lens on the planarization layer.