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Gallium Nitride (GaN)
book

Gallium Nitride (GaN)

by Farid Medjdoub
December 2017
Intermediate to advanced content levelIntermediate to advanced
388 pages
15h 1m
English
CRC Press
Content preview from Gallium Nitride (GaN)
319Gallium Nitride-Based Interband Tunnel Junctions
The cascaded LED structure not only provides an enhancement of external quan-
tum efciency (EQE) but also suppresses joule heating. The total power dissipated due
to series resistance of an LED is P
R
= I
2
R
s
. For a given output power, R
s
N and I
1/N, and therefore, power dissipated is proportional to 1/N, which implies that increas-
ing N enables high power operation of LEDs with higher efciency while reducing
overall heat generation. This not only can enhance efciency but also can enable LED
operation at elevated output power, and could eliminate thermal management issues.
Although the proof ...
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Publisher Resources

ISBN: 9781482220049