Enhanced areal efficiency from 370nm AlGaN micro-ring light emitting diodes

H.W. Choi; M.D. Dawson

doi:10.1002/pssc.200461339

Enhanced areal efficiency from 370nm AlGaN micro-ring light emitting diodes

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

Abstract

The electrical and optical characteristics of a 370 nm AlGaN light-emitting diode device based on a microring-array geometry are presented. By structuring the light emission area into an interconnected array of micro-scale rings, the directed light extraction efficiency is enhanced, and current spreading in the n-type cladding layers is improved. A reduction of differential series resistance is observed, and the device saturates at a higher current as the carriers are injected efficiently and uniformly across the junction areas.

Original language	English
Pages (from-to)	2854-2857
Number of pages	3
Journal	Physica Status Solidi C
Volume	2
Issue number	7
DOIs	https://doi.org/10.1002/pssc.200461339
Publication status	Published - 2005

Keywords

light emission
optics
geometry

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10.1002/pssc.200461339

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title = "Enhanced areal efficiency from 370nm AlGaN micro-ring light emitting diodes",

abstract = "The electrical and optical characteristics of a 370 nm AlGaN light-emitting diode device based on a microring-array geometry are presented. By structuring the light emission area into an interconnected array of micro-scale rings, the directed light extraction efficiency is enhanced, and current spreading in the n-type cladding layers is improved. A reduction of differential series resistance is observed, and the device saturates at a higher current as the carriers are injected efficiently and uniformly across the junction areas.",

keywords = "light emission, optics, geometry",

author = "H.W. Choi and M.D. Dawson",

year = "2005",

doi = "10.1002/pssc.200461339",

language = "English",

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journal = "Physica Status Solidi C",

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publisher = "Wiley-VCH Verlag",

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AU - Choi, H.W.

AU - Dawson, M.D.

PY - 2005

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N2 - The electrical and optical characteristics of a 370 nm AlGaN light-emitting diode device based on a microring-array geometry are presented. By structuring the light emission area into an interconnected array of micro-scale rings, the directed light extraction efficiency is enhanced, and current spreading in the n-type cladding layers is improved. A reduction of differential series resistance is observed, and the device saturates at a higher current as the carriers are injected efficiently and uniformly across the junction areas.

AB - The electrical and optical characteristics of a 370 nm AlGaN light-emitting diode device based on a microring-array geometry are presented. By structuring the light emission area into an interconnected array of micro-scale rings, the directed light extraction efficiency is enhanced, and current spreading in the n-type cladding layers is improved. A reduction of differential series resistance is observed, and the device saturates at a higher current as the carriers are injected efficiently and uniformly across the junction areas.

KW - light emission

KW - optics

KW - geometry

UR - http://dx.doi.org/10.1002/pssc.200461339

U2 - 10.1002/pssc.200461339

DO - 10.1002/pssc.200461339

M3 - Article

SN - 1862-6351

VL - 2

SP - 2854

EP - 2857

JO - Physica Status Solidi C

JF - Physica Status Solidi C

IS - 7

ER -

Enhanced areal efficiency from 370nm AlGaN micro-ring light emitting diodes

Abstract

Keywords

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