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. 12, 2021
Filed:
Sep. 10, 2015
Koninklijke Philips N.v., Eindhoven, NL;
Peter Josef Schmidt, Aachen, DE;
Andreas Tücks, Aachen, DE;
Baby Seriyati Schreinemacher, Aachen, DE;
Other;
Abstract
The invention provides a method for providing luminescent particles () with a hybrid coating, the method comprising (i) providing a first coating layer () onto the luminescent particles () by application of a sol-gel coating process, thereby providing coated luminescent particles; and (ii) providing a second coating layer () onto the coated luminescent particles by application of an atomic layer deposition process. The invention also provides luminescent particles () comprise a luminescent core (), a first coating layer () having a first coating layer thickness (d) in the range of 50-300 nm, and a second coating layer () having a second coating layer thickness (d) in the range of 5-250 nm.