Title :
Optical design and simulation for dual-wavelength LEDs in solid state lighting
Author :
Wang, Dongxue Michael ; Ferguson, Ian ; Buck, John A.
Author_Institution :
Sch. of Electr. & Comput. Eng., Georgia Inst. of Technol., Atlanta, GA
Abstract :
Comprehensive optical model for dual wavelength LEDs is developed using optical ray tracing programs. Optical property for InGaN and AlGaN and tunnel junctions is included, and Device structure is optimized based on light extraction efficiency.
Keywords :
III-V semiconductors; aluminium compounds; gallium compounds; indium compounds; light emitting diodes; lighting; optical design techniques; ray tracing; semiconductor junctions; AlGaN; InGaN; dual-wavelength LED; light extraction efficiency; optical design; optical model; optical property; optical ray tracing; solid state lighting; tunnel junctions; Light emitting diodes; Optical design; Optical films; Optical mixing; Optical refraction; Optical variables control; Ray tracing; Refractive index; Solid modeling; Solid state lighting; (000.0000) LED, solid state lighting;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4628175