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:
Sep. 23, 2014
Filed:
Oct. 26, 2012
Largan Precision Co., Ltd., Taichung, TW;
Sheng-Yu Yang, Taichung, TW;
Yeo-Chih Huang, Taichung, TW;
Largan Precision Co., Ltd, Taichung, TW;
Abstract
This invention provides an injection-molded plastic optical lens comprising from a center to an edge thereof an optical effective portion, a connecting portion and a peripheral portion that are concentrically formed. The plastic optical lens has an outer diameter D. The optical effective portion has an edge thickness ETand a central thickness CT, the connecting portion has a minimum thickness ET, and the plastic optical lens satisfies the following relations of CT≦0.30 mm and ET/ET<1.0. At least one lens element with refractive power can be disposed at each of the object side and the image side of the plastic optical lens of the present invention to form an optical lens assembly.