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:
Apr. 25, 2023
Filed:
Sep. 09, 2021
Applicant:
Young Optics Inc., Hsinchu Science Park, TW;
Inventors:
Chen-An Chiang, Hsinchu Science Park, TW;
S-Wei Chen, Hsinchu Science Park, TW;
Assignee:
YOUNG OPTICS INC., Hsinchu Science Park, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 13/16 (2006.01); F21S 41/141 (2018.01); G02B 9/34 (2006.01);
U.S. Cl.
CPC ...
G02B 13/16 (2013.01); F21S 41/141 (2018.01); G02B 9/34 (2013.01);
Abstract
A vehicle projection lens includes a plastic aspheric first lens, an aperture stop, a cemented lens consisting of a glass second lens and a glass third lens, and a glass fourth lens arranged in order from a magnified side to a minified side. An F-number of the vehicle projection lens is smaller than or equal to 0.8, and the vehicle projection lens consists essentially of four lenses respectively with positive, positive, negative and positive refractive powers.