Patent · US Active

LED arrangement

US7510888B2 · kind B2 · utility

15Cited by

4References

20Claims

0Family size

Assignee

OSRAM Opto Semiconductors GmbH · DE

Inventors

Ewald Guenther · Regenstauf, DE
Gunter Waitl · Regensburg, DE
Herbert Brunner · Sinzing, DE
Jörg Strauss · Augsburg, DE

Key dates

Filing date	Mar 15, 2007
Grant date	Mar 31, 2009
Priority date	—
Expiry date	Mar 15, 2027

Classification

Technology area (CPC H)Electricity
CPC primaryH10H20/855
WIPO fieldSemiconductors
WIPO sectorElectrical engineering

Abstract

The invention concerns an LED arrangement with at least one LED chip comprising a radiation decoupling surface through which the bulk of the electromagnetic radiation generated in the LED chip is decoupled. Arranged on the radiation decoupling surface is at least one phosphor layer for converting the electromagnetic radiation generated in the LED chip. A housing envelops portions of the LED chip and the phosphor layer.

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