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Thermal and non‐thermal saturation effects in the output characteristic of UV‐to‐violet emitting (AlGaIn)N LEDs by M. Baeumler; M. Kunzer; R. Schmidt; S. Liu; W. Pletschen; P. Schlotter; K. Köhler; U. Kaufmann; J. Wagner is a Materials Science article available to read on EtoBox.
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## Abstract UV‐to‐violet emitting (AlGaIn)N LEDs have been investigated with respect to the temperature‐dependence of the output power characteristics and non‐thermal rollover of the quantum efficiency at higher current densities. Analyzing MOVPE grown LED chips emitting in the 377 to 428 nm wavelength interval, the temperature sensitivity was found to increase and the output power to decrease with decreasing wavelength __λ__ for __λ__ 400 nm). Furthermore, the transient temperature rise after turn‐on has been studied for differently packaged 377 nm LEDs, for which the temperature coefficient of the output power has been found to be particularly large. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- M. Baeumler; M. Kunzer; R. Schmidt; S. Liu; W. Pletschen; P. Schlotter; K. Köhler; U. Kaufmann; J. Wagner
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Ltd.; Wiley; Wiley - V C H Verlag GmbbH & Co. (ISSN 0031-8965)
- Published
- 2007
- Language
- EN
- Field
- Materials Science (Physical Sciences)