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Proceedings Paper

Luminescent ceramics for LED conversion
Author(s): M. Raukas; G. Wei; K. Bergenek; J. Kelso; N. Zink; Y. Zheng; M. Hannah; M. Stough; R. Wirth; A. Linkov; F. Jermann; D. Eisert
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Paper Abstract

Many LED-based applications would benefit from more efficient and/or high lumen output devices that enable usage in both white and single color illumination schemes. In the present article we briefly review the materials research history leading to optical ceramic converters and discuss their typical characteristics. Recently demonstrated high performance values in terms of efficacy and external quantum efficiency in orange (amber) spectral region are described.

Paper Details

Date Published: 9 February 2011
PDF: 7 pages
Proc. SPIE 7954, Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XV, 795415 (9 February 2011); doi: 10.1117/12.875487
Show Author Affiliations
M. Raukas, OSRAM SYLVANIA Inc. (United States)
G. Wei, OSRAM SYLVANIA Inc. (United States)
K. Bergenek, OSRAM Opto Semiconductors GmbH (Germany)
J. Kelso, OSRAM SYLVANIA Inc. (United States)
N. Zink, OSRAM SYLVANIA Inc. (United States)
Y. Zheng, OSRAM SYLVANIA Inc. (United States)
M. Hannah, OSRAM SYLVANIA Inc. (United States)
M. Stough, OSRAM SYLVANIA Inc. (United States)
R. Wirth, OSRAM GmbH (Germany)
A. Linkov, OSRAM Opto Semiconductors GmbH (Germany)
F. Jermann, OSRAM GmbH (Germany)
D. Eisert, OSRAM Opto Semiconductors GmbH (Germany)

Published in SPIE Proceedings Vol. 7954:
Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XV
Klaus P. Streubel; Heonsu Jeon; Li-Wei Tu; Norbert Linder, Editor(s)

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