Discharge properties of Ni cylindrical electrode with MgO films used for cold cathode lamp

Autor:	Goto, Miki, Nakamura, Yusuke, Shono, Toshihiro, Misu, Takayuki, Arai, Toshihiko
Jazyk:	japonština
Rok vydání:	2014
Předmět:	cup electrode backlighting LCD maintained voltage cold cathode MgO film DC sputtering
Zdroj:	神奈川工科大学研究報告.B,理工学編. 38:67-70
ISSN:	2188-2878
Popis:	application/pdf We developed the high-performance electrodes of a lamp used for backlighting liquid crystal displays. The discharge characteristics of the electrodes were measured. The electrodes used for discharge lamp were cylinder type (cup type). MgO has a high secondary electron emission. The MgO film was grown in Ni cup of 4 mm inner diameter by DC sputtering. The cathode voltages of a lamp with the electrodes coated in MgO thin films were simultaneously measured with a high voltage probe connected to a digital oscilloscope when the lamp was operated by a sine-wave power supply under the same discharge condition. The maintained voltages of electrodes coated in MgO thin films were 60 % lower than those of Ni. It was hardly sputtered in discharge tube with the MgO electrodes.
Databáze:	OpenAIRE
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