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. 25, 2017
Filed:
Feb. 16, 2015
Chih-yang Yeh, Taichung, TW;
Tzu-chien Tang, Taichung, TW;
Chih-Yang Yeh, Taichung, TW;
Tzu-Chien Tang, Taichung, TW;
Genius Electronic Optical Co., Ltd., Taichung, TW;
Abstract
An optical imaging lens set includes an aperture stop, a first lens element to a fourth lens element from an object side toward an image side along an optical axis. The first lens element has an image-side surface with a convex portion in a vicinity of its periphery. The second lens element has an object-side surface with a concave portion in a vicinity of its periphery and an image-side surface with a convex portion in a vicinity of its periphery. The third lens element has an image-side surface with a convex portion in a vicinity of the optical axis and a concave portion in a vicinity of its periphery. The fourth lens element is made of plastic and has an object-side surface with a concave portion in a vicinity of its periphery.