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:
Sep. 05, 2023
Filed:
Dec. 21, 2021
Applicant:
Omnivision Technologies, Inc., Santa Clara, CA (US);
Inventors:
Gang Chen, San Jose, CA (US);
Yuanwei Zheng, San Jose, CA (US);
Qin Wang, San Jose, CA (US);
Cunyu Yang, Los Gatos, CA (US);
Guannan Chen, San Carlos, CA (US);
Duli Mao, Sunnyvale, CA (US);
Dyson H. Tai, San Jose, CA (US);
Lindsay Alexander Grant, Campbell, CA (US);
Assignee:
OMNIVISION TECHNOLOGIES, INC., Santa Clara, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H04N 23/55 (2023.01); G02B 5/20 (2006.01); G02B 7/00 (2021.01); H04N 23/54 (2023.01); G02B 3/00 (2006.01); H01L 27/146 (2006.01);
U.S. Cl.
CPC ...
H04N 23/55 (2023.01); G02B 5/201 (2013.01); G02B 7/006 (2013.01); H04N 23/54 (2023.01);
Abstract
An image sensor includes a substrate. An array of photodiodes is disposed in the substrate. A plurality of spacers is arranged in a spacer pattern. At least one spacer of the plurality of spacers has an aspect ratio of 18:1 or greater. A buffer layer is disposed between the substrate and the spacer pattern. An array of color filters is disposed in the spacer pattern.