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The effect of thickness on luminous properties of ceramic phosphor plate for high-power LD

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2016, 26(2), pp.80~83
  • DOI : 10.6111/JKCGCT.2016.26.2.080
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering
  • Published : April 30, 2016

Ji Eun Kyung 1 Chul Woo Lee 2 Song YoungHyun 3 정병우 4 정몽권 5 YOON, DAEHO 3

1성균관대학교(자연과학캠퍼스) 성균나노과학기술원
2성균관대학교(자연과학캠퍼스)
3성균관대학교
4LG전자 소재기술원
5효성기술원

Accredited

ABSTRACT

In the present paper, garnet structured Y3Al5O12 : Ce 3+ (YAG : Ce) ceramic phosphor plate (CPP) for high power laser diode (LD) was prepared and optical properties were analyzed. We synthesized monodispersed spherical nano-sized YAG : Ce particles by liquid phase method, fabricated phosphor ceramic plate with the addition of Al2O3. 75 μm and 100 μm thick YAG : Ce CPPs were compared in terms of the factors of conversion efficacy, thermal quenching, luminance and correlated color temperature (CCT). In conclusion, conversion efficacy decreased by 25 % in both samples and 100 μm thick sample provides better optical properties of thermal quenching, maximum light conversion efficacy and maximum luminance value.

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