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:
Feb. 25, 2020
Filed:
Dec. 28, 2015
Applicant:
Young Optics Inc., Hsinchu, TW;
Inventors:
Sheng-Da Jiang, Hsinchu, TW;
Hsin-Te Chen, Hsinchu, TW;
Sheng-Tang Lai, Hsinchu, TW;
Kai-Yun Chen, Hsinchu, TW;
Assignee:
Young Optics Inc., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 13/16 (2006.01); G02B 13/18 (2006.01); G02B 9/10 (2006.01);
U.S. Cl.
CPC ...
G02B 13/16 (2013.01); G02B 9/10 (2013.01); G02B 13/18 (2013.01);
Abstract
An optical lens includes a first lens group and a second lens group. The first lens group is disposed between a magnified side and a minified side and has a negative refractive power. The second lens group is disposed between the first lens group and the minified side and has a positive refractive power. The optical lens is capable of forming an image at the magnified side. 0.52>F/H>0.46, where F is an effective focal length, and H is an image height.