Deep Ultraviolet LEDs
Understanding the Low External Quantum Efficiency
(Sprache: Englisch)
This book highlights the origin of low external quantum efficiency for deep ultraviolet light-emitting diodes (DUV LEDs). In addition, it puts forward solutions for increasing the internal quantum efficiency and the light extraction efficiency of...
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Klappentext zu „Deep Ultraviolet LEDs “
This book highlights the origin of low external quantum efficiency for deep ultraviolet light-emitting diodes (DUV LEDs). In addition, it puts forward solutions for increasing the internal quantum efficiency and the light extraction efficiency of DUV LEDs. The book chiefly concentrates on approaches that can be used to improve the crystalline quality, increase carrier injection, reduce the polarization-induced electric field within multiple quantum wells, suppress the TM polarization emission, and enhance the light escape from the semiconductor layer. It also demonstrates insightful device physics for DUV LEDs, which will greatly benefit the optoelectronic community.
Inhaltsverzeichnis zu „Deep Ultraviolet LEDs “
1.Introduction.- 2.Increase the IQE by improving the crystalline quality for DUV LEDs.- 3.Improve the current spreading for DUV LEDs.- 4.Improve the hole injection to enhance the IQE for DUV LEDs.- 5.Enhance the electron injection efficiency for DUV LEDs.- 6.Screen the polarization induce electric field within the MQWs for DUV LEDs.- 7.Thermal management for DUV LEDs.- 8.The light extraction efficiency for DUV LEDs.- 9. Conclusions and outlook.Autoren-Porträt von Zi-Hui Zhang, Chunshuang Chu, Kangkai Tian, Yonghui Zhang, Wengang Bi
Dr. Zi-Hui Zhang received his B.S. and Ph.D. from Shandong University and Nanyang Technological University, respectively. Currently, he is a Professor at the State Key Laboratory of Reliability and Intelligence of Electrical Equipment, Institute of Micro-Nano Photoelectron and Electromagnetic Technology Innovation, the Key Laboratory of Electronic Materials and Devices of Tianjin, and School of Electronics and Information Engineering. He is also a "100-Talent-Plan" Distinguished Professor of Hebei Province. His research interests include III-nitride based semiconductor materials and devices. To date, he has authored/co-authored more than 70 high-level SCI papers in Applied Physics Letters, Optics Express, Optics Letters, ACS Photonics etc. He has also been invited to contribute book chapters for the Handbook for Solid-State Lighting and LEDs (CRC Press, Taylor & Francis Group), Handbook of GaN Semiconductor Materials and Devices (CRC Press, Taylor & Francis Group), and Light-emitting Diodes - Materials, Processes, Devices and Applications (Springer). He also holds more than 20 patents (applied).
Bibliographische Angaben
- Autoren: Zi-Hui Zhang , Chunshuang Chu , Kangkai Tian , Yonghui Zhang , Wengang Bi
- 2019, 1st ed. 2019, IX, 69 Seiten, 39 farbige Abbildungen, Masse: 15,5 x 23,5 cm, Kartoniert (TB), Englisch
- Verlag: Springer, Berlin
- ISBN-10: 9811361789
- ISBN-13: 9789811361784
- Erscheinungsdatum: 18.02.2019
Sprache:
Englisch
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