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. 29, 2019
Filed:
Nov. 16, 2015
Applicant:
Genius Electronic Optical Co., Ltd., Taichung, TW;
Inventors:
Assignee:
Genius Electronic Optical Co., Ltd., Taichung, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 13/00 (2006.01); G02B 13/18 (2006.01); G02B 9/34 (2006.01); H04N 5/225 (2006.01); G02B 7/02 (2006.01);
U.S. Cl.
CPC ...
G02B 13/004 (2013.01); G02B 7/021 (2013.01); G02B 9/34 (2013.01); G02B 13/18 (2013.01); H04N 5/2252 (2013.01); H04N 5/2254 (2013.01);
Abstract
An imaging lens includes first, second, third, and fourth lens elements arranged from an object side to an image side in the given order. The first lens element has an image-side surface with a concave portion in the vicinity of its periphery. The second lens element has an image-side surface with a convex portion in the vicinity of the optical axis. The third lens element has a positive refractive power. The imaging lens does not have any lens element with refractive power other than the first, second, third, and fourth lens elements.