Electron Temperature, Plasma Density and Luminous Efficiency in accordance with Discharge Time in coplanar AC PDPs

Jeong, S.H.; Moon, M.W.; Oh, P.Y.; Jeong, J.M.; Ko, B.D.; Park, W.B.; Lee, J.H.; Lim, J.E.; Lee, H.J.; Han, Y.G.; Son, C.G.; Lee, S.B.; Yoo, N.L.; Choi, E.H.

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자료유형: 학술대회자료

저자정보: Jeong, S.H. (Charged Particle Beam and Plasma Laboratory / PDP Research Center Department of Electrophysics, Kwangwoon University) Moon, M.W. (Charged Particle Beam and Plasma Laboratory / PDP Research Center Department of Electrophysics, Kwangwoon University) Oh, P.Y. (Charged Particle Beam and Plasma Laboratory / PDP Research Center Department of Electrophysics, Kwangwoon University) Jeong, J.M. (Charged Particle Beam and Plasma Laboratory / PDP Research Center Department of Electrophysics, Kwangwoon University) Ko, B.D. (Charged Particle Beam and Plasma Laboratory / PDP Research Center Department of Electrophysics, Kwangwoon University) Park, W.B. (Charged Particle Beam and Plasma Laboratory / PDP Research Center Department of Electrophysics, Kwangwoon University) Lee, J.H. (Charged Particle Beam and Plasma Laboratory / PDP Research Center Department of Electrophysics, Kwangwoon University) Lim, J.E. (Charged Particle Beam and Plasma Laboratory / PDP Research Center Department of Electrophysics, Kwangwoon University) Lee, H.J. (Charged Particle Beam and Plasma Laboratory / PD) Han, Y.G. Son, C.G. Lee, S.B. Yoo, N.L. Choi, E.H.

저널정보: 한국정보디스플레이학회 한국정보디스플레이학회 International Meeting 한국정보디스플레이학회 2005년도 International Meeting on Information Displayvol.II

발행연도: 2005.1

수록면: 1,203 - 1,206 (4page)

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Electron temperature and plasma density in coplanar alternating-current plasma display panels (AC-PDP's) have been experimentally investigated in accordance with discharge time by a micro-probe in this experiment. The resolution of a step mortor to move in micro-Langmuir probe is 10um.[1-3] The used gas in this experiment is He-Ne-Xe (4%) mixure gas. And sustain voltage is 320V which is above of firing voltage for degradation. The electron temperature and plasma density can be obtained from current-voltage (I-V) characteristics of micro Langmuir probe, in which negative to positive bias voltage was applied to the probe. And Efficiency is calculated by formula related discharge power and light emission. Those experiments operated as various discharge time ($0{\sim}72$ Hours). As a result of this experiment, Electron Temperature was increased from 2eV to 5eV after discharge running time of 20 hours and saturates beyond 20 hours. The plasma density is inversely proportional to the square root of electron temperature. So the plasma density was decreased from $1.8{\times}10^{12}cm^{-3}$ to $8{\times}10^{11}cm^{-3}$ at above discharge running time. And the Efficiency was reduced to 70% at 60hours of discharge running time.

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