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Proceedings Paper

Recent progress of high-power GaN-based laser diodes
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Paper Abstract

High-power pure blue laser diodes (LDs) are expected to be adopted to the light sources for full color laser display systems. We have succeeded in fabricating high-power blue (445nm) LDs with an output power of 500mW. The typical operating current, voltage and wall-plug efficiency of these LDs were 480mW, 4.8V and 21.7%, respectively. The lifetime of these LDs was estimated to be over 10,000 hours under continuous-wave operation. Moreover, we succeeded in fabricating the high-luminance white light source by combining the high-power blue LD, optical fiber, and phosphor. In this paper, we report recent progress and future prospects of the high-power GaN-based blue LDs and the new concept of high-luminance white light source.

Paper Details

Date Published: 7 February 2007
PDF: 8 pages
Proc. SPIE 6485, Novel In-Plane Semiconductor Lasers VI, 648503 (7 February 2007); doi: 10.1117/12.714208
Show Author Affiliations
Tokuya Kozaki, Nichia Corp. (Japan)
Shin-ichi Nagahama, Nichia Corp. (Japan)
Takashi Mukai, Nichia Corp. (Japan)

Published in SPIE Proceedings Vol. 6485:
Novel In-Plane Semiconductor Lasers VI
Carmen Mermelstein; David P. Bour, Editor(s)

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