LED semiconductor body and use of an LED semiconductor body

US8203160B2 · kind B2 · utility

Assignee

• OSRAM Opto Semiconductors GmbH · DE

Inventors

• Reiner Windisch · Nittendorf, DE
• Ralph Wirth · Lappersdorf, DE
• Stefan Groetsch · Bad Abbach, DE
• Georg Bogner · Lappersdorf, DE
• Guenter Kirchberger · Sinzing, DE
• Klaus Streubel · Hemau, DE

Key dates

• Filing date: Sep 19, 2007
• Grant date: Jun 19, 2012
• Expiry date: Feb 27, 2029

Classification

• Technology area (CPC —): General

Abstract

An LED semiconductor body includes a number of at least two radiation-generating active layers. Each active layer has a forward voltage, wherein the number of active layers is adapted to an operating voltage in such a way that the voltage dropped across a series resistor connected in series with the active layers is at most of the same magnitude as a voltage dropped across the LED semiconductor body. The invention furthermore describes various uses of the LED semiconductor body.