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Conference Paper
Conference on Lasers and Electro-Optics
San Jose, California United States
May 16-21, 2010
ISBN: 978-1-55752-889-6
Efficiency in Solid-State Lighting (CMKK)

Investigation of Efficiency Droop in Blue InGaN/GaN Light-Emitting Diodes with Different Well Widths

Chao-Hsun Wang, Ching-Hua Chiu, Jun-Rong Chen, Hao-Chung Kuo, Tien-Chang Lu, and Shing-Chung Wang


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Temperature-dependent electroluminescence efficiency of blue light-emitting diodes with different well widths is investigated. The efficiency droop phenomenon for LEDs at low temperature is dependent with electron overflow and non-uniform hole distribution within MQW region.

© 2010 The Optical Society

OCIS Codes
(160.0160) Materials : Materials
(160.2100) Materials : Electro-optical materials
(230.0230) Optical devices : Optical devices
(230.3670) Optical devices : Light-emitting diodes

C. Wang, C. Chiu, J. Chen, H. Kuo, T. Lu, and S. Wang, "Investigation of Efficiency Droop in Blue InGaN/GaN Light-Emitting Diodes with Different Well Widths," in Conference on Lasers and Electro-Optics 2010, OSA Technical Digest (CD) (Optical Society of America, 2010), paper CMKK2.

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