Light output performance of red AlGaInP-based light emitting diodes with different chip geometries and structures
DC Field | Value | Language |
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dc.contributor.author | Oh, Jeong-Tak | - |
dc.contributor.author | Lee, Sang-Youl | - |
dc.contributor.author | Moon, Yong-Tae | - |
dc.contributor.author | Moon, Ji Hyung | - |
dc.contributor.author | Park, Sunwoo | - |
dc.contributor.author | Hong, Ki Yong | - |
dc.contributor.author | Song, Ki Young | - |
dc.contributor.author | Oh, Chan-Hyoung | - |
dc.contributor.author | Shim, Jong-In | - |
dc.contributor.author | Jeong, Hwan-Hee | - |
dc.contributor.author | Song, June-O | - |
dc.contributor.author | Amano, Hiroshi | - |
dc.contributor.author | Seong, Tae-Yeon | - |
dc.date.accessioned | 2021-09-02T12:34:38Z | - |
dc.date.available | 2021-09-02T12:34:38Z | - |
dc.date.created | 2021-06-16 | - |
dc.date.issued | 2018-04-30 | - |
dc.identifier.issn | 1094-4087 | - |
dc.identifier.uri | https://scholar.korea.ac.kr/handle/2021.sw.korea/76086 | - |
dc.description.abstract | We investigated the optical and electrical properties of red AlGaInP light-emitting diodes (LEDs) as functions of chip size, p-cladding layer thickness, and the number of multi-quantum wells (MQWs). External quantum efficiency (EQE) decreased with decreasing chip size. The ideality factor gradually increased from 1.47 to 1.95 as the chip size decreased from 350 mu m to 15 mu m. This indicates that the smaller LEDs experienced larger carrier loss due to Shockley-Read-Hall nonradiative recombination at sidewall defects. S parameter, defined as partial derivative lnL/partial derivative lnI, increased with decreasing chip size. Simulations and experimental results showed that smaller LEDs with 5 pairs of MQWs had over 30% higher IQE at 5 A/cm(2) than the LED with 20 pairs of MQWs. These results show that the optimization of the number of QWs is needed to obtain maximum EQE of micro-LEDs. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement. | - |
dc.language | English | - |
dc.language.iso | en | - |
dc.publisher | OPTICAL SOC AMER | - |
dc.subject | SURFACE RECOMBINATION | - |
dc.subject | MICRO-LEDS | - |
dc.subject | EFFICIENCY | - |
dc.subject | DISPLAY | - |
dc.title | Light output performance of red AlGaInP-based light emitting diodes with different chip geometries and structures | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Seong, Tae-Yeon | - |
dc.identifier.doi | 10.1364/OE.26.011194 | - |
dc.identifier.scopusid | 2-s2.0-85046368872 | - |
dc.identifier.wosid | 000431718300011 | - |
dc.identifier.bibliographicCitation | OPTICS EXPRESS, v.26, no.9, pp.11194 - 11200 | - |
dc.relation.isPartOf | OPTICS EXPRESS | - |
dc.citation.title | OPTICS EXPRESS | - |
dc.citation.volume | 26 | - |
dc.citation.number | 9 | - |
dc.citation.startPage | 11194 | - |
dc.citation.endPage | 11200 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Optics | - |
dc.relation.journalWebOfScienceCategory | Optics | - |
dc.subject.keywordPlus | SURFACE RECOMBINATION | - |
dc.subject.keywordPlus | MICRO-LEDS | - |
dc.subject.keywordPlus | EFFICIENCY | - |
dc.subject.keywordPlus | DISPLAY | - |
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