Luminescence conversion LED

US8690629B2 · kind B2 · utility

Assignee

• OSRAM GmbH · DE

Inventors

• Daniel Becker · Worms, DE
• Herbert Brunner · Sinzing, DE
• Tim Fiedler · Birkenfeld, DE
• Jörg Strauβ · Regensburg, DE
• Martin Zachau · Geltendorf, DE

Key dates

• Filing date: Feb 23, 2011
• Grant date: Apr 8, 2014
• Expiry date: Feb 23, 2031

Classification

• Technology area (CPC H): Electricity
• CPC primary: H01L2224/48247

Abstract

A luminescence conversion LED having a radiation emitting chip that is connected to electrical connections and is surrounded by a housing that comprises at least a basic body and a cap, the chip being seated on the basic body, in particular in a cutout of the basic body, and the primary radiation of the chip being converted at least partially into longer wave radiation by a conversion element, wherein the cap is formed by a vitreous body, the conversion means being contained in the vitreous body, the refractive index of the vitreous body being higher than 1.6, preferably at least n=1.7.