Relationships Between Impurity Gas and Luminance/Discharge Characteristics of AC PDP

AbstractThe luminance and discharge characteristics of an AC PDP may be significantly affected by a small amount of impurity gas in working gas. Impurity gases such as O2, O, C and H2 can be mixed in the manufacturing and /or discharge processes.In this paper, a small amount of impurity gas in AC PDP are introduced intertimally and the relationship between the amount of impurity gas and the luminance/discharge characteristics are investigated. The luminous efficiency decreased seriously with the increase in the partial pressure of impurity gases, especially in H2, O2 and CO2. Under the condition of the impurity gas ratio of 2 X 10-3 for Ar, N2, H2, CO2 and O2, the luminous efficiency decreased to about 8 %, 8 %, 32 %, 36 % and 50 %, respectively.