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:
Nov. 03, 2020
Filed:
Jul. 14, 2017
AZ Electronic Materials (Luxembourg) S.a.r.l., Luxembourg, LU;
Ralf Grottenmueller, Wiesbaden, DE;
Abraham Casas Garcia-Minguillan, Wiesbaden, DE;
Fumio Kita, Wiesbaden, DE;
Dieter Wagner, Wiesbaden, DE;
AZ Electronic Materials (Luxembourg) S.a.r.l., Luxembourg, LU;
Abstract
The present invention relates to a formulation suitable for the preparation of a highly refractive encapsulation material with good barrier properties towards water vapor for an LED, to an encapsulation material for an LED having a high refractive index and good barrier properties towards water vapor which is obtainable from said formulation and to a light emitting device (LED) comprising said encapsulation material. The formulation comprises a polymer comprising a first repeating unit Uand a second repeating unit U; and a surface-modified nanoparticle, wherein the surface-modified nanoparticle does not contain any zirconium dioxide.