High brightness property of Power Electroluminescent Device using ZnS:Cu

ZnS:Cu를 이용한 후막 전계발광소자의 고휘도 특성

  • 이종찬 (원광대학 전기·전자공학부) ;
  • 박대희 (원광대학 전기·전자공학부)
  • Published : 1999.05.01

Abstract

In this paper, to fabricate the AC power electroluminescent device (PELD) with high brightness, new structure that constructed single emissive layer between electrodes was proposed. Dielectric and phosphor material structure that constructed single emissive layer between electrodes was proposed. Dielectric and phosphor material were BaTiO3 and ZnS:Cu respectively. Fabricated AC power EL devices were estimated by optical and electrical properties of EL spectrum, brightness, CIE coordinate system, transferred charge density and EL emission wave in time domain. With above results, we found that brightness of newly proposed AC powder EL power EL device was 2754 cd/m2 at 100V, 400 Hz and compared with conventional device structure.

Keywords

High brightness;Power EL;Electrical properties;Charge density

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