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Measurement of Spatiotemporal Distribution for the Density of Excited Xe Atoms in the 1s5 in Accordance with Various ITO-shapes in Ac-PDP

교류형 플라즈마 평판 표시장치(AC-PDP)에서 ITO 전극 구조에 따른 Xe 여기종의 시공간 밀도 분포 연구

  • Cho, S.H. (Department of Electrophysics/PDP Research Center, Kwangwoon University) ;
  • Hong, Y.J. (Department of Electrophysics/PDP Research Center, Kwangwoon University) ;
  • Son, C.G. (Department of Electrophysics/PDP Research Center, Kwangwoon University) ;
  • Han, Y.G. (Department of Electrophysics/PDP Research Center, Kwangwoon University) ;
  • Jeong, Y.H. (Hongik University Research Institute of Science and Technology) ;
  • Gwon, G.C. (Department of Electrophysics/PDP Research Center, Kwangwoon University) ;
  • Hong, B.H. (Department of Electrophysics/PDP Research Center, Kwangwoon University) ;
  • Cho, G.S. (Department of Electrophysics/PDP Research Center, Kwangwoon University) ;
  • Choi, E.H. (Department of Electrophysics/PDP Research Center, Kwangwoon University)
  • 조석호 (광운대학교 전자물리학과/PDP 연구센터) ;
  • 홍영준 (광운대학교 전자물리학과/PDP 연구센터) ;
  • 손창길 (광운대학교 전자물리학과/PDP 연구센터) ;
  • 한용규 (광운대학교 전자물리학과/PDP 연구센터) ;
  • 정용환 (홍익대학교 과학기술연구소) ;
  • 권기청 (광운대학교 전자물리학과/PDP 연구센터) ;
  • 홍병희 (광운대학교 전자물리학과/PDP 연구센터) ;
  • 조광섭 (광운대학교 전자물리학과/PDP 연구센터) ;
  • 최은하 (광운대학교 전자물리학과/PDP 연구센터)
  • Published : 2009.01.30

Abstract

We have measured the spatiotemporal behavior for the density of excited Xe atoms in the $1s_5$ metastable states by laser absorption spectroscopy in accordance with various shapes of ITO electrode. The maximum density of excited Xe atoms in the Is5 state in a discharge cell for fish-boned, T-shaped and squared ITO electrodes has been measured to be $3.01{\times}10^{13}\;cm^{-3}$, $2.66{\times}10^{13}\;cm^{-3}$ and $2.06{\times}10^{13}\;cm^{-3}$, respectively. Throughout this experiment, we could understand the influence of the shapes of ITO electrode of micro discharge cell on the high efficiency of AC-PDPs.

3전극 면방전형 AC-PDP에서 발광효율을 높이기 위한 방법으로 새로운 구조의 ITO전극을 제안하였다. 기존에 사용하고 있는 사각형(square), T 형태의 ITO 전극구조와 새롭게 설계한 물고기뼈 형태(fish-boned type) ITO 전극 구조의 시험패널을 제작하였다. 레이저 흡수 분광법(Laser absorption spectroscopy)을 이용하여 각 ITO 전극 구조에 따라 Xe 여기종의 밀도분포를 측정하고, 고속 ICCD(Image Intensified Charge-Coupled Diode) 카메라를 이용하여 각각의 전극에 따른 $750\;nm\;{\sim}\;900\;nm$ 파장의 방전모습을 확인하였다. 시험패널 상판의 x, f 전극에 220V의 사각펄스(square pulse)를 교대로 인가하여 방전시켰다. 사각형, T 그리고 물고기뼈 형태의 ITO 전극 구조에서 $X_e$ 여기종 밀도는 각각 $2.06{\times}10^{13}\;cm^{-3}$, $2.66{\times}10^{-3}\;cm^{-3}$$3.01{\times}10^{13}\;cm^{-3}$으로 물고기뼈 형태에서 가장 높게 측정되었다.

Keywords

References

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