Transferred charge density and Optical Property on Powder Electroluminescent device

후막 EL 소자의 광학 및 이동전하밀도 특성

  • 오주열 (원광대학교 전기전자공학부) ;
  • 이종찬 (원광대학교 전기전자공학부) ;
  • 박대희 (원광대학교 전기전자공학부)
  • Published : 1999.05.01

Abstract

Electroluminescence is occurred when phosphor is located in electric field. In this paper, we made powder electroluminescent device (PELD) with structured ITO film/Phosphor/Insulator/Silver paste. The transparent electrode was ITO film and green(2704-01), orange(2702-02) and blue-green(2703-01) were used as phosphor. The insulator was BaTiO$_3$ and $Y_2$O$_3$, back electrode was silver paste. To investigate electrical and optical properties of PELDs, EL spectrum, Brightness, Transferred charge density using Sawyer-Tower\`s circuit was measured.

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