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:
Nov. 11, 2025
Filed:
Jul. 18, 2022
Applicant:
Appotronics Corporation Limited, Shenzhen, CN;
Inventors:
Assignee:
APPOTRONICS CORPORATION LIMITED, Shenzhen, CN;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01); G02B 13/06 (2006.01);
U.S. Cl.
CPC ...
G02B 13/06 (2013.01); G03B 21/14 (2013.01);
Abstract
A fly-eye lens group, a light source device, and a projection apparatus. The fly-eye lens group includes: a first fly-eye lens, a second fly-eye lens, and a third fly-eye lens. The first fly-eye lens is parallel to the second fly-eye lens, the first fly-eye lens is perpendicular to the third fly-eye lens, a double fly-eye structure is formed by the first fly-eye lens and the second fly-eye lens, and the third fly-eye lens and the first fly-eye lens also form a double fly-eye structure. The fly-eye lens group is used for homogenizing incident first excitation light, excited light, and second excitation light.