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학술지 White ACPEL Device with ZnS:Cu,Cl, Tb3Al5O12:Ce3+, and CaS:Eu2+ Phosphors Using a Layered Structure
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저자
박봉제, 서홍석, 안준태, 오대곤, 정운진, 한지연, 장호성, 전덕영
발행일
200912
출처
ETRI Journal, v.31 no.6, pp.803-805
ISSN
1225-6463
출판사
한국전자통신연구원 (ETRI)
DOI
https://dx.doi.org/10.4218/etrij.09.0209.0235
협약과제
09MB3500, 반도체 나노구조를 이용한 펌핑용 10 W급 광원기술, 오대곤
초록
Improvement of the color rendering index (CRI) and luminance of a white alternate current powder electroluminescent (ACPEL) device has been attempted using ZnS:Cu,Cl, Tb3Al5O12:Ce (TAG:Ce), and CaS:Eu phosphors with a layered structure. The device with TAG:Ce and ZnS:Cu,Cl phosphors showed a CRI of 75, with a luminance increase of about 30% depending on the thickness of the TAG:Ce. Further CRI improvement was attempted using CaS:Eu. When they were separately screen-printed, the CRI was increased up to 89 with no decrease in luminance. Copyright © 2009 ETRI.
키워드
ACPEL, CaS:Eu, Cl, CRI, TAG:Ce, ZnS:Cu
KSP 제안 키워드
Color rendering index, Layered structure, Structure improvement, screen-printed