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Revised and fully up-dated, the second edition of this graduate textbook offers a comprehensive explanation of the technology and physics of LEDs such as infrared, visible-spectrum, ultraviolet, and white LEDs made from III-V semiconductors. Elementary properties such as electrical and optical characteristics are reviewed, followed by the analysis of advanced device structures. With nine additional chapters, the treatment of LEDs has been vastly expanded, including new material on device packaging, reflectors, UV LEDs, III-V nitride materials, solid-state sources for illumination applications, and junction temperature. Radiative and non-radiative recombination dynamics, methods for improving light extraction, high-efficiency and high-power device designs, white-light emitters with wavelength-converting phosphor materials, optical reflectors, and spontaneous recombination in resonant-cavity structures are discussed in detail. With exercises, solutions, and illustrative examples, this textbook will be of interest to scientists and engineers working on LEDs and graduate students in electrical engineering, applied physics, and materials science.

Light emitting diodes. --- 621.382.2 --- Dioden --- Crystal diodes --- 621.382.2 Crystal diodes --- LED (light emitting diode) --- Light emitting diodes --- Fysica --- 621.382 --- 621.382 Electronic devices using solid-state effects. Semiconductor devices --- Electronic devices using solid-state effects. Semiconductor devices --- LEDs (Light emitting diodes) --- Diodes, Semiconductor --- Electroluminescent devices --- LED lamps --- Light-emitting electrochemical cells --- Electronics and optics of solids --- Electronics

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Compound semiconductors. --- Semiconductor doping.

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This is the first book to describe thoroughly the many facets of doping in compound semiconductors. Equal emphasis is given to the fundamental materials physics and to the technological aspects of doping. The author describes in detail all the various techniques, including doping during epitaxial growth, doping by implantation, and doping by diffusion. The key characteristics of all dopants that have been employed in III-V semiconductors are discussed. In addition, general characteristics of dopants are analyzed, including the electrical activity, saturation, amphotericity, auto-compensation and maximum attainable dopant concentration. The timely topic of highly doped semiconductors is discussed as well. Technologically important deep levels are summarized. The properties of deep levels are presented phenomenologically. The final chapter is dedicated to the experimental characterization of impurities.

Compound semiconductors. --- Semiconductor doping.