Emission characteristics of white light phosphor

K. M. Lee, Bao Li An, Meng Lian Gong, Ying Liang Liu, Kok Wai CHEAH

Research output: Chapter in book/report/conference proceedingConference proceedingpeer-review

Abstract

White light LED was successfully fabricated by converting near-UV LED emission (390-420 nm) with a new white light phosphor. This new white phosphor was consisted of three fluorescence materials; two strontium aluminates based with lanthanide oxides, SrAl2O4:Eu2+ (for green (520 nm) emission) and Sr4Al14O25:Eu2+ (for blue (490 nm) emission) and new organometallic Eu complex, (for red (614 nm) emission). These materials have good absorption in the 300-500 nm range and have high quantum efficiencies (4.7-24.5%). The white light LED has a CIE value of (0.321, 0.365, 0.314).

Original languageEnglish
Title of host publicationCLEO/Pacific Rim 2003 - 5th Pacific Rim Conference on Lasers and Electro-Optics
Subtitle of host publicationPhotonics Lights Innovation, from Nano-Structures and Devices to Systems and Networks, Proceedings
PublisherIEEE
Pages720
Number of pages1
ISBN (Electronic)0780377664
DOIs
Publication statusPublished - 2003
Event5th Pacific Rim Conference on Lasers and Electro-Optics, CLEO/Pacific Rim 2003 - Taipei, Taiwan, Province of China
Duration: 15 Dec 200319 Dec 2003

Publication series

NamePacific Rim Conference on Lasers and Electro-Optics, CLEO - Technical Digest
Volume2

Conference

Conference5th Pacific Rim Conference on Lasers and Electro-Optics, CLEO/Pacific Rim 2003
Country/TerritoryTaiwan, Province of China
CityTaipei
Period15/12/0319/12/03

Scopus Subject Areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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