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:
May. 10, 2022
Filed:
Jan. 08, 2020
Applicant:
Coretronic Corporation, Hsin-Chu, TW;
Inventors:
Pi-Tsung Hsu, Hsin-Chu, TW;
Chi-Tang Hsieh, Hsin-Chu, TW;
Assignee:
Coretronic Corporation, Hsin-Chu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 26/00 (2006.01); H04N 9/31 (2006.01); G03B 21/20 (2006.01);
U.S. Cl.
CPC ...
G02B 26/008 (2013.01); G03B 21/2033 (2013.01); H04N 9/3161 (2013.01);
Abstract
A wavelength conversion device includes a driver, a substrate and a support. The support is disposed between the driver and the substrate. The support is connected to the substrate and the driver. The driver drives the support and the substrate to rotate about a central axis. The support includes at least one through hole. The invention also provides a projection device including a light source system, the aforementioned wavelength conversion device, a light valve, and a projection lens.