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. 19, 2022
Filed:
Aug. 01, 2017
Applicant:
Appotronics Corporation Limited, Guangdong, CN;
Inventors:
Assignee:
APPOTRONICS CORPORATION LIMITED, Guangdong, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/20 (2006.01); H05B 47/155 (2020.01); F21V 5/00 (2018.01); H04N 9/31 (2006.01);
U.S. Cl.
CPC ...
G03B 21/2033 (2013.01); F21V 5/004 (2013.01); G03B 21/2053 (2013.01); G03B 21/2066 (2013.01); H04N 9/3129 (2013.01); H05B 47/155 (2020.01);
Abstract
A laser illumination device and a projection system including the same. The laser illumination device includes a laser source, a light combining assembly, a micro-lens assembly, and a plurality of cylindrical lens assemblies; the plurality of cylindrical lens assemblies are provided in a light transmission path of the laser source; the micro-lens assembly is mounted at one side of the light combining assembly; each cylindrical lens assembly includes a first cylindrical lens array and a second cylindrical lens array; and the first cylindrical lens array and the second cylindrical lens array form a preset angle.