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ECS Short Courses


San Francisco, CA | Sunday, May 24, 2009

Short Course #2
Solid State Lighting
Ian T. Ferguson, Georgia Tech University

Solid state lighting is an exciting new technology that has the potential to far exceed the energy efficiencies of conventional lighting. Approximately one quarter of the world’s electricity use is for lighting, and substantial energy savings can be realized if affordable, efficient, solid state lighting one day becomes a reality. Solid state lighting is based on light-emitting diodes (LEDs) for illumination. White light can be produced by mixing the light from multiple single-color LEDs, or by using phosphor blends that absorb near-UV or blue light from an LED and convert it to white light. This short course will cover solid state lighting (SSL) technology with an emphasis on GaN LEDs and phosphors for use in LEDs.

GaN LEDs—GaN growth and characterization, defects, device structures, multiple LED approach, and LED packaging.

Phosphors for Use in LEDs—Wavelength conversion approach to SSL, phosphor materials selection, phosphor blends, characterization (photoluminescence excitation and emission spectra, quantum yield, color rendering index, color temperature, thermoluminescence), and phosphor-based LEDs (fabrication, device performance).


About the Instructor

Ian T. Ferguson is a professor in the School of Electrical and Computer Engineering at Georgia Institute of Technology (Georgia Tech) and Director for the Focused Research Center Next Generation Lighting. His research focuses on the area of wide band-gap materials and devices (emitters, detectors, and electronics) using GaN and ZnO and developing these materials for illumination and spintronic applications. He has over 240 refereed publications, five book chapters, edited ten conference proceedings, two books, and multiple patents. He teaches undergraduate, graduate and short courses on solid state lighting and illumination engineering and will publish a book on ‘Solid State Illumination and Illumination Engineering’ in 2008. He founded the International Conference on Solid State Lighting which is now in its eighth year and recently completed the Festival of Lights USA.

For additional information about Education, please contact: education


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