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:
Jul. 25, 2017

Filed:

Dec. 30, 2014
Applicants:

Sheng-wei Hsu, Taichung, TW;

Chih-yang Yeh, Taichung, TW;

Inventors:

Sheng-Wei Hsu, Taichung, TW;

Chih-Yang Yeh, Taichung, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 13/18 (2006.01); G02B 9/12 (2006.01); G02B 13/00 (2006.01);
U.S. Cl.
CPC ...
G02B 13/0035 (2013.01); G02B 9/12 (2013.01); G02B 13/0015 (2013.01);
Abstract

An optical imaging lens includes: a first, second and third lens element. The first lens element has a positive refracting power, and has an object-side surface with a convex part in a vicinity of the optical axis, and a convex part in a vicinity of its periphery. The second lens element has a positive refracting power, and has an object-side surface with a concave part in a vicinity of the optical axis, and a concave part in a vicinity of its periphery, and has an image-side surface with a convex part in a vicinity of the optical axis. The third lens element has negative refracting power, and has an image-side surface with a concave part in a vicinity of the optical axis, and a convex part in a vicinity of its periphery.


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