NDLI: High-brightness AlGaInP light emitting diodes

Content Provider	IEEE Xplore Digital Library
Author	Vanderwater, D.A. Tan, I.-H. Hofler, G.E. Defevere, D.C. Kish, F.A.
Copyright Year	1963
Abstract	First commercially introduced in 1990, AlGaInP light emitting diodes (LEDs) currently are the highest (luminous) efficiency visible solid-state emitters produced to date in the red through yellow spectral regime. The attainment of this high-efficiency performance is a result of the development of advanced metalorganic chemical vapor deposition crystal growth techniques, which have facilitated the high-quality growth of this quaternary alloy as well as the implementation of complex device designs. Furthermore, the highest efficiency family of AlGaInP devices (based upon a transparent-substrate platform and commercially introduced in 1994) have been realized as result of the development and implementation of direct compound semiconductor wafer bonding technology. As a result, the luminous efficiency of AlGaInP LEDs exceeds or rivals that of unfiltered incandescent lamps and other conventional lighting sources. Further improvements in these techniques (and the realization of efficient, high-power LEDs) are expected to make AlGaInP LEDs even more competitive with conventional lamp technology, thus enhancing the position of LED's in many applications as a preferred lighting source.
Sponsorship	IEEE Publication
Starting Page	1752
Ending Page	1764
Page Count	13
File Size	322270
File Format	PDF
ISSN	00189219
Volume Number	85
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-11-01
Publisher Place	U.S.A.
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Light emitting diodes Lattices Wafer bonding Epitaxial growth Photonic band gap Chemical vapor deposition Crystalline materials Solid state circuits Transistors Semiconductor devices
Content Type	Text
Resource Type	Article
Subject	Computer Science Electrical and Electronic Engineering

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