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:
Jan. 18, 2022

Filed:

Jan. 06, 2021
Applicant:

Young Optics Inc., Hsinchu, TW;

Inventors:

S-Wei Chen, Hsinchu, TW;

Yung-Ming Chuang, Hsinchu, TW;

Assignee:

Young Optics Inc., Hsinchu, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21S 41/25 (2018.01); F21S 41/40 (2018.01); F21S 41/20 (2018.01); F21S 41/153 (2018.01);
U.S. Cl.
CPC ...
F21S 41/25 (2018.01); F21S 41/285 (2018.01); F21S 41/40 (2018.01); F21S 41/153 (2018.01);
Abstract

A projection device and a headlight for vehicle are provided. The projection device includes a light source, a light valve and a projection lens. The light source is used to emit a light beam. The light valve is located at the downstream of an optical path of the light source. The projection lens is located at the downstream of an optical path of the light valve and has an optical axis. The light valve is located on the optical axis of the projection lens and is tilted with respect to the projection lens to form an acute angle with the optical axis. The projection lens is used for projecting the light beam on a first projection surface and a second projection surface.


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