A design of a PhC-enhanced LED for electroluminescence cooling

Zheng Li; Jin Xue; Rajeev Ram

doi:10.1117/12.2253403

17 February 2017 A design of a PhC-enhanced LED for electroluminescence cooling

Zheng Li, Jin Xue, Rajeev Ram

Proceedings Volume 10121, Optical and Electronic Cooling of Solids II; 1012108 (2017) https://doi.org/10.1117/12.2253403
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

It is known that the wall-plug efficiency (WPE) of a light-emitting diode (LED) can exceed unity and that electroluminescence cooling (ELC) happens in this scenario. However, it is difficult to observe the associated temperature drop due to the relatively small cooling power and the overwhelming heat flux from the ambient. In this work, we design a photonic crystal (PhC) enhanced LED which has smaller surface area as well as thermal mass compared with an encapsulated LED. We also present thermal models to evaluate the temperature drop of the LED in air and vacuum.

Conference Presentation

Citation Download Citation

Zheng Li, Jin Xue, and Rajeev Ram "A design of a PhC-enhanced LED for electroluminescence cooling", Proc. SPIE 10121, Optical and Electronic Cooling of Solids II, 1012108 (17 February 2017); https://doi.org/10.1117/12.2253403

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