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:
Jan. 23, 2024
Filed:
Nov. 25, 2020
Applicant:
Lextar Electronics Corporation, Hsinchu, TW;
Inventors:
Chun-Che Lin, Hsinchu, TW;
Chun-Han Lu, Hsinchu, TW;
Yi-Ting Tsai, Hsinchu, TW;
Yu-Chun Lee, Hsinchu, TW;
Tzong-Liang Tsai, Hsinchu, TW;
Assignee:
Lextar Electronics Corporation, Hsinchu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 11/71 (2006.01); C09K 11/08 (2006.01); C09K 11/77 (2006.01); H01L 33/50 (2010.01);
U.S. Cl.
CPC ...
C09K 11/717 (2013.01); H01L 33/502 (2013.01);
Abstract
In the present disclosure embodiments, a phosphate phosphor including an activation center of trivalent chromium and a light emitting device are provided. The light emitting device includes a light source and the above mentioned phosphate phosphor, such that the phosphate phosphor is excited by the light source and emits a wide spectrum of the infrared light. The light emitting device with wide emission spectrum of the infrared light may be widely applied in detecting devices.