Patent · US Active

Light-emitting device having surface-modified luminophores

US9960324B2 · kind B2 · utility

1Cited by

8References

8Claims

0Family size

Assignees

Seoul Semiconductor Co., Ltd. · KR
LITEC-LP Gmbh · DE

Inventors

Chung Hoon Lee · Ansan-si, KR
Walter Tews · Greifswald, DE
Gundula Roth · Levenhagen, DE
Detlef Starick · Berlin, DE

Key dates

Filing date	Feb 16, 2017
Grant date	May 1, 2018
Priority date	—
Expiry date	Feb 16, 2037

Classification

Technology area (CPC H)Electricity
CPC primaryH10H20/8511
WIPO fieldSemiconductors
WIPO sectorElectrical engineering

Abstract

A light-emitting device including a substrate, a first light-emitting diode disposed on the substrate, a molding member encapsulating the first light-emitting diode, and luminophores dispersed in the molding member and including a surface-modified luminophore, in which the surface-modified luminophore includes a fluorinated coating and a fluoride luminophore including a manganese activator. The fluoride luminophore is selected from the group consisting of K2SiF6, Na2SiF6, Rb2SiF6, K2GeF6, Na2GeF6, and Rb2GeF6.

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