Patent · US Active

LED phosphor comprising bow-tie shaped A2N6 building blocks

US10539275B2 · kind B2 · utility

0Cited by

1References

20Claims

0Family size

Assignee

KONINIKLIJKE PHILIPS N.V. · NL

Inventors

Peter Josef Schmidt · Aachen, DE
Philipp-Jean Strobel · Munich, DE
Sebastian Florian Schmiechen · Eindhoven, NL
Cora Sieglinde Hecht · Eindhoven, NL
Volker Weiler · Aachen, DE
Wolfgang Schnick · Gauting, DE

Key dates

Filing date	Nov 5, 2015
Grant date	Jan 21, 2020
Priority date	—
Expiry date	Sep 25, 2036

Classification

Technology area (CPC H)Electricity
CPC primaryH10H20/8515
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention provides, amongst others for application in a lighting unit, a phosphor selected from the class of M2D2C2-2bBbA2N6:Ln (I) with M=selected from the group consisting of divalent Ca, Sr, and Ba; D=selected from the group consisting of monovalent Li, divalent Mg, Mn, Zn, Cd, and trivalent Al and Ga; C=selected from the group consisting of monovalent Li and Cu; B=selected from the group consisting of divalent Mg, Zn, Mn and Cd; A=selected from the group consisting of tetravalent Si, Ge, Ti, and Hf; Ln=selected from the group consisting of ES and RE; ES=selected from the group consisting of divalent Eu, Sm and Yb; RE=selected from the group consisting of trivalent Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, and Tm; and 0≤b≤1.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.