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Characteristics of Luminance and Efficiency for External Electrode Fluorescent Lamps Driven by Square Pulses  

조태승 (광운대학교 전자물리학과)
김영미 (광운대학교 전자물리학과)
권남옥 (광운대학교 전자물리학과)
김성중 (광운대학교 전자물리학과)
강준길 (광운대학교 전자물리학과)
최은하 (광운대학교 전자물리학과)
조광섭 (광운대학교 전자물리학과)
Publication Information
Journal of the Korean Vacuum Society / v.11, no.1, 2002 , pp. 76-80 More about this Journal
Abstract
Characteristic properties of fluorescent lamps operated by capacitively-coupled external electrodes have been investigated. External electrode fluorescent lamps(EEFLs) are typically operated at low currents less than 10 mA, and high voltages of about 1.5 kV. Luminance of up to 20,000 cd/$\textrm m^2$ with efficiency of above 40 lm/W is achieved in EEFLs driven by square pulses of the frequency lower than 100 kHz. It is also found that the brightness and efficiency of external electrode fluorescent lamps depend on the electrode length whose optimum length is about 3 cm.
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Times Cited By KSCI : 1  (Citation Analysis)
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