Patent · US Active

Garnet material, method for its manufacturing and radiation-emitting component comprising the garnet material

US10240086B2 · kind B2 · utility

4Cited by

5References

12Claims

0Family size

Assignee

OSRAM Opto Semiconductors GmbH · DE

Inventors

Madis Raukas · Boston, US
Krister Bergenek · Regensburg, DE
George C. Wei · Oak Ridge, US
Nathan Michael Zink · Salem, US
Stefan Lange · Shepperton, GB

Key dates

Filing date	Aug 18, 2015
Grant date	Mar 26, 2019
Priority date	—
Expiry date	Feb 9, 2036

Classification

Technology area (CPC H)Electricity
CPC primaryH01L2224/48247
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A radiation-emitting component comprising a ceramic material, comprising a garnet having the composition represented by the formula A3-xB5O12:Dx and a barium-containing oxide. In the garnet A3-xB5O12:Dx, A is selected from lutetium, yttrium, gadolinium, terbium, scandium, another rare earth metal or mixtures thereof. B is selected from aluminum, scandium, gallium, indium, boron or mixtures thereof. D is at least one dopant selected from chromium, manganese and rare earth metals, particularly cerium, praseodymium or gadolinium. The dopant is present with x is 0≤x≤2.

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