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:
Apr. 29, 2014
Filed:
Jul. 05, 2012
Applicants:
Young Je Yun, Yongin-si, KR;
Min Sung Kim, Busan, KR;
Inventors:
Young Je Yun, Yongin-si, KR;
Min Sung Kim, Busan, KR;
Assignee:
Dongbu Hitek Co., Ltd., Wonmi-Gu, Bucheon-Si, Gyeonggi-Do, KR;
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/062 (2012.01); H01L 31/113 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention discloses an image sensor including photodiodes formed in a semiconductor substrate, a color filter array formed over the photodiodes, and microlenses formed on the color filter array. A first microlens, which may be any one of two adjacent microlenses, includes an upper portion and a lower portion. The lower portion of the first microlens is formed of a material different than a material of the upper portion of the first microlens.