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:
Dec. 23, 2025
Filed:
Dec. 23, 2021
Applicant:
Coretronic Corporation, Hsin-Chu, TW;
Inventor:
Kuo-Chou Chang, Hsin-Chu, TW;
Assignee:
Coretronic Corporation, Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01F 17/30 (2020.01); C09K 11/77 (2006.01); G03B 21/20 (2006.01); H10H 20/851 (2025.01);
U.S. Cl.
CPC ...
C01F 17/30 (2020.01); C09K 11/7774 (2013.01); G03B 21/204 (2013.01); H10H 20/8512 (2025.01);
Abstract
A wavelength conversion material and a manufacturing method thereof, a wavelength conversion device, and a projection device are provided. The wavelength conversion material has higher phosphor conversion efficiency. The wavelength conversion material includes a first phase. A composition of the first phase is MAl(OF):Ce, where M is at least one selected from a group consisting of yttrium (Y), lutetium (Lu), gadolinium (Gd), terbium (Tb), praseodymium (Pr), and neodymium (Nd), and 0.012≤x≤0.3. The wavelength conversion material with good phosphor conversion efficiency is provided.