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.

Date of Patent:
Mar. 17, 2026

Filed:

Feb. 23, 2023
Applicant:

Young Optics Inc., Hsinchu Science Park, TW;

Inventors:

Kuo-Chuan Wang, Hsinchu Science Park, TW;

Chen-An Chiang, Hsinchu Science Park, TW;

Assignee:

Young Optics Inc., Hsinchu Science Park, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21S 41/27 (2018.01); F21S 41/148 (2018.01); F21S 41/25 (2018.01);
U.S. Cl.
CPC ...
F21S 41/27 (2018.01); F21S 41/148 (2018.01); F21S 41/25 (2018.01);
Abstract

A vehicle projection lens includes an aspheric first lens, a cemented lens consisting of a spherical second lens and a spherical third lens, and a spherical fourth lens in order from a magnified side to a minified side. An F-number of the vehicle projection lens is smaller than or equal to 0.86, a field of view of the vehicle projection lens is greater than 14 degrees and smaller than 44 degrees, and the vehicle projection lens consists essentially of four lenses respectively with positive, negative, positive and positive refractive powers.


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