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Efficiency droop behavior of direct current aged GaN-based blue light-emitting diodes
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10.1063/1.3254237
/content/aip/journal/apl/95/16/10.1063/1.3254237
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/16/10.1063/1.3254237
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) and (b) characteristics of a blue LED at different dc-stressing stages. The inset of (a) is a top-view image of the measured LED chip.

Image of FIG. 2.
FIG. 2.

External quantum efficiency of the aged LED as a function of forward current after different stressing time.

Image of FIG. 3.
FIG. 3.

EL spectra of the LED measured at 20 mA after different stressing time.

Image of FIG. 4.
FIG. 4.

Peak-efficiency-current and amount of decrease in luminescence efficiency as a function of stressing time.

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/content/aip/journal/apl/95/16/10.1063/1.3254237
2009-10-23
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Efficiency droop behavior of direct current aged GaN-based blue light-emitting diodes
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/16/10.1063/1.3254237
10.1063/1.3254237
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