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:
Nov. 21, 2023

Filed:

Dec. 23, 2019
Applicant:

Appotronics Corporation Limited, Guangdong, CN;

Inventors:

Zuqiang Guo, Guangdong, CN;

Ning Lu, Guangdong, CN;

Yi Li, Guangdong, CN;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/20 (2006.01); G02B 26/00 (2006.01); G02B 27/14 (2006.01);
U.S. Cl.
CPC ...
G03B 21/204 (2013.01); G02B 26/008 (2013.01); G02B 27/141 (2013.01); G03B 21/208 (2013.01); G03B 21/2066 (2013.01); G03B 21/2073 (2013.01);
Abstract

Provided is a light source system, including: an excitation light source for emitting excitation light; a wavelength conversion device provided with a conversion layer which is used to perform wavelength conversion on at least a portion of the excitation light to obtain stimulated light, and to exit the stimulated light and the unconverted excitation light; and a dichroic assembly which is used to guide the stimulated light exited from the conversion layer to propagate along the second optical path, and finally to exit from the light source system along the exit optical path, and to guide at least a portion of the unconverted excitation light exited from the conversion layer to transmit on a path, which is not the exit optical path. Further provided is a projection device comprising the above light source system.


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