Discharge and photo-luminance properties of a parallel plates electron emission lighting device

Chia Hung Li, Ming Chung Liu, Chang Lin Chiang, Jung Yu Li, Shih Pu Chen, Tai Chiung Hsieh, Yen I. Chou, Yi Ping Lin, Po Hung Wang, Ming Shin Chun, Hui Kai Zeng, Jenh-Yih Juang

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Abstract

The gas discharge and photo-luminance properties of a planar lighting source featuring highly uniform light emission and mercury-free design were studied. The current density-voltage characteristics and the associated gas discharge of the devices operating with the values of the ratio of electric field to gas pressure (E/p) between 4.3 kV/Torr-cm and 35.7 kV/Torr-cm indicate that the width of the cathode fall extends over the entire gap between the two electrodes and the device is mostly in the obstructed discharge regime. The optical emission analysis confirmed the electron collision-induced gas emissions and strong effect of gas pressure on the phosphor emission when operated at constant current density, both are indicative of the primary roles played by the electron energy.

Original languageEnglish
Pages (from-to)A51-A56
JournalOptics Express
Volume19
Issue number101
DOIs
StatePublished - 3 Jan 2011

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