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. 17, 2023
Filed:
Feb. 06, 2020
SK Hynix Inc., Gyeonggi-do, KR;
Won Jin Kim, Chungcheongbuk-do, KR;
Abstract
An image sensing device includes a substrate layer in which an array of photoelectric conversion elements is formed, grid structures disposed over the substrate layer to divide space above the substrate into different sensing regions, each grid structure including an air layer, color filters formed to fill bottom portions of spaces between the grid structures, the color filters having a higher refractive index than the air layer, and a lens layer disposed over the grid structures and the color filters such that part of the lens layer fills top portions of the spaces between the grid structures, the lens layer having a higher refractive index than of the color filters.