Properties of Czochralski grown Ce,Gd:Y3Al5O 12 single crystal for white light-emitting diode

Anastasiya Latynina, Makoto Watanabe, Daisuke Inomata, Kazuo Aoki, Yoshiyuki Sugahara, Encarnacíon García Víllora, Kiyoshi Shimamura

Research output: Contribution to journalArticlepeer-review

51 Citations (Scopus)

Abstract

Czochralski grown Ce and Gd-doped Y3Al5O12 (Ce,Gd:YAG) single crystal demonstrated superior performance features in a new concept of white LED where it is used as thin single crystal phosphor plates (SCPPs). New SCPP-based white LED realizes epoxy resin free package, which allows to eliminate the photodegradation issue of the organic material. Optical, thermal and electrical properties of SCPPs and SCPP-based white LEDs are discussed with the powder phosphor and commercial LED reference. SCPPs showed significantly higher values and better stability under the high temperatures, irradiation and current. Quantum efficiency was found to be as high as 93%.

Original languageEnglish
Pages (from-to)89-92
Number of pages4
JournalJournal of Alloys and Compounds
Volume553
DOIs
Publication statusPublished - 2013 Mar 15

Keywords

  • Crystal growth
  • Luminescence
  • Optical properties
  • Oxide materials
  • Phosphors

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

Fingerprint Dive into the research topics of 'Properties of Czochralski grown Ce,Gd:Y<sub>3</sub>Al<sub>5</sub>O <sub>12</sub> single crystal for white light-emitting diode'. Together they form a unique fingerprint.

Cite this