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:
May. 19, 2015
Filed:
Jun. 23, 2013
Chin-wei Liou, Taichung, TW;
Zhengchao Yuan, Xiamen, CN;
Laishu Cao, Xiamen, CN;
Genius Electronic Optical Co., Ltd., Central Taiwan Science Park, Daya District, Taichung, TW;
Abstract
An optical imaging lens set from an object side toward an image side along an optical axis in order includes: a first lens element having an image-side surface with a convex portion in a vicinity of its circular periphery, a second lens element having an object-side surface with a convex portion in a vicinity of its optical axis, a third lens element having an object-side surface with a concave portion in a vicinity of its optical axis, a fourth lens element with positive refractive power, and a plastic fifth lens element having an image-side surface with a concave portion in a vicinity of its optical axis.