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Size-dependent efficiency and efficiency droop of blue InGaN micro-light emitting diodes
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10.1063/1.4769835
/content/aip/journal/apl/101/23/10.1063/1.4769835
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/23/10.1063/1.4769835
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) Schematic structure and (b) optical micrograph of the μLEDs with diameters from 6 μm to 105 μm.

Image of FIG. 2.
FIG. 2.

Size-dependent characteristics of (a) injection current density versus voltage (inset: log (current) versus voltage) and (b) EQEs versus injection current density (inset: EQEs versus log(J)) for sample A. The thermal annealing time of sample A is 2 min. (c) EQE peak current density and efficiency droop at 650 A/cm2 as a function of pixel size.

Image of FIG. 3.
FIG. 3.

Size-dependent characteristics of EQEs versus injection current density (inset: EQEs versus log(J)) for sample B. The thermal annealing time of sample B is 3 min.

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/content/aip/journal/apl/101/23/10.1063/1.4769835
2012-12-06
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Size-dependent efficiency and efficiency droop of blue InGaN micro-light emitting diodes
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/23/10.1063/1.4769835
10.1063/1.4769835
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