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:
Oct. 02, 2018
Filed:
Dec. 28, 2016
Applicant:
Koninklijke Philips N.v., Eindhoven, NL;
Inventors:
Shu Xu, Shanghai, CN;
Rifat Ata Mustafa Hikmet, Eindhoven, NL;
Assignee:
Koninklijke Philips N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/50 (2010.01); C09K 11/02 (2006.01); C09K 11/56 (2006.01); C09K 11/88 (2006.01); H01L 31/0232 (2014.01); H01L 33/00 (2010.01); H01L 33/04 (2010.01); B82Y 20/00 (2011.01); B82Y 40/00 (2011.01);
U.S. Cl.
CPC ...
H01L 33/504 (2013.01); C09K 11/02 (2013.01); C09K 11/025 (2013.01); C09K 11/565 (2013.01); C09K 11/883 (2013.01); H01L 31/02322 (2013.01); H01L 33/002 (2013.01); H01L 33/04 (2013.01); H01L 33/502 (2013.01); H01L 33/505 (2013.01); B82Y 20/00 (2013.01); B82Y 40/00 (2013.01); H01L 2933/0041 (2013.01); Y10S 977/774 (2013.01); Y10S 977/892 (2013.01); Y10S 977/95 (2013.01);
Abstract
The invention provides a luminescent nano particles based luminescent material comprising a matrix of interconnected coated luminescent nano particles, wherein for instance wherein the luminescent nano particles comprise CdSe, wherein the luminescent nano particles comprise a coating of CdS and wherein the matrix comprises a coating comprising ZnS. The luminescent material according may have a quantum efficiency of at least 80% at 25° C., and having a quench of quantum efficiency of at maximum 20% at 100° C. compared to the quantum efficiency at 25° C.