| 简介 |
PROBLEM TO BE SOLVED : To provide a cathode for plasma display panel low in discharge voltage, stably discharging and having a long life. SOLUTION : At least one of BaO2 or SrO2 or a combination of at least one of BaO2 or SrO2 and at least one of CaO2 or rare earth oxide is formed on a base metal surface (11, 12) and is heated in vacuum (15). This panel is formed by discharging a current larger than normal operating current after the panel is completed for the purpose of activation in rare gas (17). |
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