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. 13, 2024
Filed:
Jul. 01, 2020
Applicant:
Young Optics Inc., Hsinchu Science Park, TW;
Inventors:
Yu-Chen Lin, Hsinchu Science Park, TW;
Chun-Tung Wu, Hsinchu Science Park, TW;
Assignee:
YOUNG OPTICS INC., Hsinchuscience Park, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 13/00 (2006.01); G02B 9/34 (2006.01); G02B 1/04 (2006.01); G03B 21/20 (2006.01); G02B 27/42 (2006.01);
U.S. Cl.
CPC ...
G02B 13/004 (2013.01); G02B 1/041 (2013.01); G02B 9/34 (2013.01); G02B 13/0055 (2013.01); G02B 27/4205 (2013.01); G03B 21/2006 (2013.01);
Abstract
An optical lens includes a first lens with a positive refractive power, a second lens having a diffractive optical surface and a negative refractive power, and a third lens with a positive refractive power arranged in order from a magnified side to a minified side. A total number of lenses with refractive powers in the optical lens is smaller than six, and the first lens, the second lens and the third lens are made of plastic.