Patent · US Expired

LED arrangement

US7208769B2 · kind B2 · utility

25Cited by

3References

13Claims

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	Apr 29, 2005
Grant date	Apr 24, 2007
Priority date	—
Expiry date	Apr 29, 2025

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 (11) comprising a radiation decoupling surface (12) through which the bulk of the electromagnetic radiation generated in the LED chip (11) is decoupled. Arranged on the radiation decoupling surface (12) is at least one phosphor layer (13) for converting the electromagnetic radiation generated in the LED chip. A housing (17) envelops portions of the LED chip (11) and the phosphor layer (13).

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