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Thin film LEDs gaining ground

Excimer laser lift-off enables high brightness LED production

  1. Dr. Ralph Delmdahl1,*,
  2. Dr. Michael Kunzer2,*,
  3. Prof. Dr. Ulrich Schwarz3,*

Article first published online: 9 MAY 2011

DOI: 10.1002/latj.201190027

Issue

Laser Technik Journal

Laser Technik Journal

Volume 8, Issue 3, pages 48–52, May 2011

Additional Information

How to Cite

Delmdahl, R., Kunzer, M. and Schwarz, U. (2011), Thin film LEDs gaining ground. LTJ, 8: 48–52. doi: 10.1002/latj.201190027

Author Information

  1. 1

    Coherent GmbH, Hans-Böckler-Str. 12, 37079 Göttingen, Germany, Phone: +49 551 6938 397, Fax: +49 551 6869 1

  2. 2

    Fraunhofer IAF, Tullastrasse 72, 79108 Freiburg, Germany, Phone: +49 761 5159 844, Fax: +49 761 5159 71844

  3. 3

    Fraunhofer IAF, Tullastrasse. 72, 79108 Freiburg, Germany, Phone: +49 761 5159 513, Fax: +49 761 5159 677

*Coherent GmbH, Hans-Böckler-Str. 12, 37079 Göttingen, Germany, Phone: +49 551 6938 397, Fax: +49 551 6869 1, http://www.coherent.com

Publication History

  1. Issue published online: 9 MAY 2011
  2. Article first published online: 9 MAY 2011

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Abstract

Excimer laser-based Laser Lift-Off (LLO) is a key enabling technology in fabricating thin film LEDs. This article reviews the market drivers for high brightness LEDs, current LED designs and their limitations and the basics of thin film devices as well as the LLO process for manufacturing them.

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