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:
Jan. 04, 2022
Filed:
Dec. 05, 2019
Applicant:
SK Hynix Inc., Icheon-si, KR;
Inventor:
Young Woong Do, Icheon-si, KR;
Assignee:
SK hynix Inc., Icheon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/146 (2006.01);
U.S. Cl.
CPC ...
H01L 27/14621 (2013.01); H01L 27/1463 (2013.01); H01L 27/14627 (2013.01); H01L 27/14629 (2013.01); H01L 27/14645 (2013.01);
Abstract
An image sensing device includes a substrate layer structured to include photoelectric conversion elements, grid structures disposed over the substrate layer to divide space above the substrate into different sensing regions, and color filter layers disposed over the photoelectric conversion elements between the grid structures. The grid structures includes an air layer, a light guide layer disposed over the air layer, and a capping film configured to cover the air layer and the light guide layer.