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:
May. 13, 2025
Filed:
Apr. 23, 2021
Applicant:
Rays Optics Inc., Hukou Township, Hsinchu Township, TW;
Inventor:
Ying-Hsiu Lin, Hukou Township, Hsinchu County, TW;
Assignee:
YOUNG OPTICS INC., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 13/00 (2006.01); G02B 9/34 (2006.01); G02B 9/62 (2006.01);
U.S. Cl.
CPC ...
G02B 13/004 (2013.01); G02B 9/34 (2013.01); G02B 9/62 (2013.01);
Abstract
An optical lens includes a first lens, a second lens, a third lens, a fourth lens and a cemented lens. The first lens is closest to a magnified side as compared with any other lens of the optical lens, one of the second lens and the third lens is a first aspheric lens, and the fourth lens is a second aspheric lens and disposed between the cemented lens and a minified side of the optical lens. The optical lens satisfies the condition: 1.0<D/DL<4.0, where Ddenotes a lens diameter of the first lens and DL denotes a lens diameter of the fourth lens.