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.

Date of Patent:
Jun. 12, 2018

Filed:

Apr. 07, 2017
Applicant:

SK Hynix Inc., Gyeonggi-do, KR;

Inventor:

Sun-Ha Hwang, Gyeonggi-do, KR;

Assignee:

SK Hynix Inc., Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/144 (2006.01); H01L 27/146 (2006.01); H04N 5/378 (2011.01);
U.S. Cl.
CPC ...
H01L 27/14643 (2013.01); H01L 27/1461 (2013.01); H01L 27/14605 (2013.01); H01L 27/14614 (2013.01); H01L 27/14689 (2013.01); H04N 5/378 (2013.01);
Abstract

An image sensor includes: a pixel array including a plurality of unit pixels that are arrayed in two dimensions, wherein each of the plurality of the unit pixels includes: a substrate that including a photoelectric conversion element; a recess pattern formed in the substrate to overlap with the photoelectric conversion element and correspond to a center of the photoelectric conversion element; a first gate suitable for filling at least the recess pattern; a second gate formed over the substrate to overlap with the photoelectric conversion element and to be adjacent to the first gate in a first diagonal direction; and a third gate formed over the substrate to overlap with the photoelectric conversion element and to be adjacent to the first gate in a second diagonal direction which intersects with the first diagonal direction.


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