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. 14, 2020
Filed:
Mar. 21, 2019
Applicants:
Lumileds Holding B.v., Schiphol, NL;
Ludwig-maximilians-universitaet Muenchen, Munich, DE;
Inventors:
Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/77 (2006.01); H01L 33/50 (2010.01);
U.S. Cl.
CPC ...
C09K 11/7703 (2013.01); H01L 33/504 (2013.01);
Abstract
Embodiments of the invention include a semiconductor light emitting device with a light emitting layer disposed between an n-type region and a p-type region. The light emitting layer emits first light. The device further includes AELiBeO:Eu, wherein AE=one or more of Sr, Ba, Ca, disposed in the path of the first light. The AELiBeO:Euabsorbs first light and emits second light. In some embodiments, the first light and second light may be blue.