Bipolar cascade light-emitting diodes are investigated to improve luminescence uniformity. Significant enhancements are demonstrated in luminescence efficiency and uniformity compared with p-i-n LEDs. This results from more uniform hole injection into the quantum wells.
© 2005 Optical Society of America
W. J. Siskaninetz, J. E. Ehret, S. B. Maley, J. C. Griffith, J. A. Lott, and T. R. Nelson, Jr., "Improved Luminescence in Light-Emitting Diodes Using Esaki Tunnel Junctions," in Frontiers in Optics, OSA Technical Digest Series (Optical Society of America, 2005), paper FThE4.
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