Reliability Investigation of LED Devices for Public Light Applications - 1st Edition - ISBN: 9781785481499, 9780081010921

Reliability Investigation of LED Devices for Public Light Applications

1st Edition

Authors: Raphael Baillot Yannick Deshayes
eBook ISBN: 9780081010921
Hardcover ISBN: 9781785481499
Imprint: ISTE Press - Elsevier
Published Date: 6th March 2017
Page Count: 222
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Reliability Investigation of LED Devices for Public Light Applications focuses on state-of-the-art GaN-based LED technology through the study of  typical failure mechanisms in public lighting applications.

Across the different chapters, the reader will explore the tools and analyses involved in the study and application of a number of different LED devices. The authors review GaN-based LED technology by focusing on the main failure mechanisms targeting polymer-based packaging, thanks to electrical and spectral models.

The proposed technology and methodologies will help those interested in the topic to further their knowledge of failure mechanisms, exploring the physical and chemical analyses involved.

Key Features

  • Based on the work of two main Phd results in 2011 and 2014
  • Describes GaN technology in the state-of-the-art, focusing on the specific electrical and spectral model
  • Proposes the technology and methodologies to understand failure mechanisms


End users of solid-state lighting, manufacturer of LED modules and component assemblies, students and professors in the physics of semiconductor and lighting technologies

Table of Contents

1: Light-emitting Diodes: State-of-the-Art GaN Technologies

  • Abstract
  • 1.1 Current economic context
  • 1.2 State-of-the-art GaN-based LEDs
  • 1.3 Positioning, justification and objectives of the study
  • 1.4 Conclusion

2: Tools and Analysis Methods of Encapsulated LEDs

  • Abstract
  • 2.1 Junction temperature measurement methodologies
  • 2.2 Mechanisms and electrical models of an LED
  • 2.3 Mechanisms and optical models of LED
  • 2.4 Physicochemical characterizations of an LED
  • 2.5 Conclusion

3: Failure Analysis Methodology of Blue LEDs

  • Abstract
  • 3.1 Mission and aging profile
  • 3.2 Aging campaigns
  • 3.3 Initial characterization of LEDs: electrical and optical aspects
  • 3.4 Application of the methodology on low-power LEDs
  • 3.5 Summary of results and conclusions

4: Integration of the Methodology Starting from Component Design

  • Abstract
  • 4.1 Mission profile for public lighting
  • 4.2 Aging campaign and component description
  • 4.3 Physical failure analysis
  • 4.4 Summary of results and conclusions


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ISTE Press - Elsevier
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About the Author

Raphael Baillot

Raphael Baillot is R&D and innovation director of Sunna Design SA. He leads the overall R&D and innovation roadmap of Sunna Design focused on the development of LED-based solar street lights to bring sustainable solutions to the global market of rural electrification.

Affiliations and Expertise

R&D Director, Sunna Design SA

Yannick Deshayes

Yannick Deshayes is Associate Professor at the University of Bordeaux, France. His research focuses on the physics of failure, from photonics materials to complex devices.

Affiliations and Expertise

IMS Laboratory, University of Bordeaux, Bordeaux, France

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