반도체디스플레이기술학회지 (Journal of the Semiconductor & Display Technology)

한국반도체디스플레이기술학회 (The Korean Society Of Semiconductor & Display Technology)
권호 표지

백색 레이저 조명용 Y3Al5O12:Ce3+,Pr3+ 단결정 특성

Properties of Y3Al5O12:Ce3+,Pr3+ Single Crystal for White Laser Lightings

  • 강태욱 (부경대학교 LED 공학협동과정) ;
  • 임석규 (부경대학교 융합디스플레이공학과) ;
  • 김종수 (부경대학교 LED 공학협동과정) ;
  • 이봉 (부경대학교 고분자공학과)
  • Kang, Taewook (Interdisciplinary Program of LED and Solid State Light Engineering, Pukyong National University) ;
  • Lim, Seokgyu (Dept. of Display Science and Engineering, Pukyong National University) ;
  • Kim, Jongsu (Interdisciplinary Program of LED and Solid State Light Engineering, Pukyong National University) ;
  • Lee, Bong (Dept. of Polymer Engineering Pukyong National University)
  • 투고 : 2018.11.07
  • 심사 : 2018.12.18
  • 발행 : 2018.12.31
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초록

$Y_3A_{l5}O_{12}:Ce^{3+},Pr^{3+}$ single crystal phosphor was prepared by floating zone method. single crystal was confirmed to have a Ia-3d (230) space group of cubic structure and showed regular morphology. The optical properties, single crystal exhibited a emission band from green, yellow wide wavelength and 610nm, 640nm red wavelength vicinity. The luminance maintenance rate was decreased by phonon with increasing temperature, but high luminance is maintained more than powder phosphor. In addition, $Y_3A_{l5}O_{12}:Ce^{3+},Pr^{3+}$ single crystal phosphor was applied to a high power blue laser diode, we implemented high power white laser lightings. and it was confirmed that thermal properties over time, due to the effective heat transfer of complete crystal structure. We confirmed that excellent radiant heat properties than powder phosphor was applied to a high power white laser diode.

키워드

참고문헌

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