Three-dimensional thermal analysis of wirelessly powered light-emitting systems

Y. H. Zhang; Y. H. Li; R. H. Kim; H. Tao; T. I. Kim; F. G. Omenetto; J. A. Rogers; Y. Huang

doi:10.1098/rspa.2012.0423

Three-dimensional thermal analysis of wirelessly powered light-emitting systems

Y. H. Zhang
, Y. H. Li
, R. H. Kim
, H. Tao
, T. I. Kim
, F. G. Omenetto
, J. A. Rogers
, Y. Huang

Northwestern University
Tsinghua University
Harbin Institute of Technology
University of Illinois at Urbana-Champaign
Tufts University

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

A theoretical model of heat conduction is developed for wirelessly powered microscale inorganic light-emitting diodes (m-ILEDs). Analytical solutions are obtained for the threedimensional temperature distribution of each component in the system, which agree reasonably well with the finite-element analyses and experiment results. A simplified scaling law is presented between the non-dimensional temperature of the m-ILEDs, and the combined geometrical parameters and thermal conductivities of the inductive receiver coil and the substrate. These results provide useful design guidelines for avoiding adverse heating of wireless m-ILEDs systems, of critical importance for bio-implanted applications.

Original language	English
Pages (from-to)	4088-4097
Number of pages	10
Journal	Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences
Volume	468
Issue number	2148
DOIs	https://doi.org/10.1098/rspa.2012.0423
State	Published - 8 Dec 2012
Externally published	Yes

Keywords

Gallium nitride
Solid-state lighting
Thermal analysis
Wireless power

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10.1098/rspa.2012.0423

Cite this

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title = "Three-dimensional thermal analysis of wirelessly powered light-emitting systems",

abstract = "A theoretical model of heat conduction is developed for wirelessly powered microscale inorganic light-emitting diodes (m-ILEDs). Analytical solutions are obtained for the threedimensional temperature distribution of each component in the system, which agree reasonably well with the finite-element analyses and experiment results. A simplified scaling law is presented between the non-dimensional temperature of the m-ILEDs, and the combined geometrical parameters and thermal conductivities of the inductive receiver coil and the substrate. These results provide useful design guidelines for avoiding adverse heating of wireless m-ILEDs systems, of critical importance for bio-implanted applications.",

keywords = "Gallium nitride, Solid-state lighting, Thermal analysis, Wireless power",

author = "Zhang, \{Y. H.\} and Li, \{Y. H.\} and Kim, \{R. H.\} and H. Tao and Kim, \{T. I.\} and Omenetto, \{F. G.\} and Rogers, \{J. A.\} and Y. Huang",

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doi = "10.1098/rspa.2012.0423",

language = "English",

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T1 - Three-dimensional thermal analysis of wirelessly powered light-emitting systems

AU - Zhang, Y. H.

AU - Li, Y. H.

AU - Kim, R. H.

AU - Tao, H.

AU - Kim, T. I.

AU - Omenetto, F. G.

AU - Rogers, J. A.

AU - Huang, Y.

PY - 2012/12/8

Y1 - 2012/12/8

N2 - A theoretical model of heat conduction is developed for wirelessly powered microscale inorganic light-emitting diodes (m-ILEDs). Analytical solutions are obtained for the threedimensional temperature distribution of each component in the system, which agree reasonably well with the finite-element analyses and experiment results. A simplified scaling law is presented between the non-dimensional temperature of the m-ILEDs, and the combined geometrical parameters and thermal conductivities of the inductive receiver coil and the substrate. These results provide useful design guidelines for avoiding adverse heating of wireless m-ILEDs systems, of critical importance for bio-implanted applications.

AB - A theoretical model of heat conduction is developed for wirelessly powered microscale inorganic light-emitting diodes (m-ILEDs). Analytical solutions are obtained for the threedimensional temperature distribution of each component in the system, which agree reasonably well with the finite-element analyses and experiment results. A simplified scaling law is presented between the non-dimensional temperature of the m-ILEDs, and the combined geometrical parameters and thermal conductivities of the inductive receiver coil and the substrate. These results provide useful design guidelines for avoiding adverse heating of wireless m-ILEDs systems, of critical importance for bio-implanted applications.

KW - Gallium nitride

KW - Solid-state lighting

KW - Thermal analysis

KW - Wireless power

UR - https://www.scopus.com/pages/publications/84872283484

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DO - 10.1098/rspa.2012.0423

M3 - Article

AN - SCOPUS:84872283484

SN - 1364-5021

VL - 468

SP - 4088

EP - 4097

JO - Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences

JF - Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences

IS - 2148

ER -

Three-dimensional thermal analysis of wirelessly powered light-emitting systems

Abstract

Keywords

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