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:
Oct. 04, 2011
Filed:
Jun. 24, 2003
Applicant:
Katsumi Yamamoto, Shanghai, CN;
Inventor:
Katsumi Yamamoto, Shanghai, CN;
Assignee:
OmniVision International Holding, Ltd., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 13/16 (2006.01); H04N 5/225 (2006.01); G02B 27/10 (2006.01); H01L 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An image sensor having micro-lenses is disclosed. The image sensor comprises a plurality of pixels formed in a semiconductor substrate, each pixel including a light sensitive element. A micro-lens is formed over each of the light sensitive elements. Finally, a raised ridge structure surrounds each of the micro-lenses.