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:
Jul. 29, 2025
Filed:
Sep. 14, 2022
Applicant:
Coretronic Corporation, Hsin-Chu, TW;
Inventors:
Wei-Chi Liu, Hsin-Chu, TW;
Meng-Syuan Dai, Hsin-Chu, TW;
Assignee:
Coretronic Corporation, Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/16 (2006.01); G03B 21/20 (2006.01);
U.S. Cl.
CPC ...
G03B 21/16 (2013.01); G03B 21/2033 (2013.01);
Abstract
Provided is a projection device including an illumination system, an optical engine module, a projection lens, at least one first case, at least one second case, and at least one optical element. The at least one first case includes a first flow channel to transmit a first fluid therein. The at least one second case is connected to the at least one first case to form an accommodating space. The at least one optical element is disposed in the accommodating space. Heat generated by the at least one optical element is transferred, by the first fluid, to an outside of the at least one first case.