Measurements of various light-emitting-diode efficiencies at room temperature

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초록

We present a method of measuring the internal quantum efficiency (IQE) of light-emitting diodes (LEDs) just at room temperature, the so-called room-temperature reference-point method (RTRM) that utilizes only experimentally measurable quantities of radiant power and current without assuming any physical parameters. Once the IQE is known, various LED efficiencies can be measured separately and quantitatively. The RTRM is applied to InGaN-based blue LEDs in order to elucidate operational mechanisms and improve the device performances. ? 2018 OSA - The Optical Society. All rights reserved.

키워드

Efficiency; III-V semiconductors; Blue LEDs; Device performance; Internal quantum efficiency; LED efficiencies; Measurements of; Operational mechanism; Physical parameters; Temperature reference; Light emitting diodes
제목
Measurements of various light-emitting-diode efficiencies at room temperature
저자
Shim, Jong In; Shin, Dong Soo
발행일
2018-09
유형
Conference Paper
저널명
Optics InfoBase Conference Papers
권
Part F125-JSAP 2018
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