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:
Mar. 30, 2021
Filed:
Jul. 18, 2018
Applicant:
Young Optics Inc., Hsinchu Science Park, TW;
Inventors:
Kai-Yun Chen, Hsinchu Science Park, TW;
Pei-Ching Liu, Hsinchu Science Park, TW;
Kuo-Chuan Wang, Hsinchu Science Park, TW;
Assignee:
Young Optics Inc., Hsinchu Science Park, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 15/173 (2006.01); G02B 13/22 (2006.01); G02B 13/18 (2006.01); G02B 13/00 (2006.01); G02B 5/04 (2006.01);
U.S. Cl.
CPC ...
G02B 15/173 (2013.01); G02B 13/002 (2013.01); G02B 13/18 (2013.01); G02B 13/22 (2013.01); G02B 5/04 (2013.01);
Abstract
An optical lens includes, in order along a direction, an aperture stop and a lens group with a positive refractive power. The aperture stop is disposed at an outermost side of all lenses of the optical lens, and the lens group has at least four lenses. At least one of the four lenses is an aspheric lens, and each of the four lenses has a clear aperture of smaller than 14 mm.