Radiation-emitting semiconductor chip and light-emitting diode

US6891199B2 · kind B2 · utility

Assignee

• OSRAM GmbH · DE

Inventors

• Johannes Baur · Regensburg, DE
• Dominik Eisert · Regensberg, DE
• Michael Fehrer · Bad Abbach, DE
• Berthold Hahn · Hemau, DE
• Volker Harle · Hemau, DE
• Ulrich Jacob · Regensburg, DE
• Werner Plass · Regensburg, DE
• Uwe Strauss · Bad Abbach, DE
• Johannes Volkl · Erlangen, DE
• Ulrich Zehnder · Regensburg, DE

Key dates

• Filing date: Jul 24, 2001
• Grant date: May 10, 2005
• Expiry date: Jul 24, 2021

Classification

• Technology area (CPC H): Electricity
• CPC primary: H01L2224/48091

Abstract

Proposed for high-performance light-emitting diodes are semiconductor chips (1) whose longitudinal sides are substantially longer than their transverse sides. Light extraction can be substantially improved in this manner.