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:
Jun. 28, 2016

Filed:

Sep. 09, 2014
Applicant:

Glory Science Co., Ltd., Changhua Hsien, TW;

Inventors:

Feng-Chao Chung, Changhua Hsien, TW;

Shih-Yuan Chang, Changhua Hsien, TW;

Kun-Ti Liu, Changhua Hsien, TW;

Assignee:

Glory Science Co., Ltd., Changhua Hsien, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 13/18 (2006.01); G02B 3/02 (2006.01); G02B 13/04 (2006.01); G02B 9/62 (2006.01); G02B 13/00 (2006.01);
U.S. Cl.
CPC ...
G02B 13/18 (2013.01); G02B 9/62 (2013.01); G02B 13/0045 (2013.01);
Abstract

A wide angle optical lens system includes an aperture stop and an optical assembly, the optical assembly includes, in order from the object side to the image side: a first lens element with a negative refractive power; a second lens element with a positive refractive power; a third lens element with a negative refractive power; a fourth lens element with a refractive power; a fifth lens element with a positive refractive power; a sixth lens element with a negative refractive power, wherein a focal length of the wide angle optical lens system is f, a focal length of the fifth lens element is f5, a radius of curvature of an object-side surface of the third lens element is R5, a radius of curvature of an image-side surface of the third lens element is R6, the following conditions are satisfied: 1.0<f/f5<3.8; −3.5<(R6+R5)/(R6−R5)<0.6.


Find Patent Forward Citations

Loading…