Electric lamp and discharge devices – Cathode ray tube – Envelope
Patent
1989-03-23
1991-01-22
Wieder, Kenneth
Electric lamp and discharge devices
Cathode ray tube
Envelope
313479, 313313, H01J 2988
Patent
active
049873385
ABSTRACT:
a cathode ray tube comprises an envelope including a faceplate with an inner and outer surface and an antistatic layer covering the outer surface of the faceplate for discharging static charges accumulating in the faceplate. The antistatic layer is formed by using a solution containing an alcoholate of silicon as main constituent. The antistatic layer contains a stabilizing substance for maintaining antistatic characteristics. The antistatic layer also has light filtering characteristics when the layer contains xanthene dye as filtering substance.
REFERENCES:
patent: 4563612 (1986-01-01), Deal et al.
patent: 4728856 (1988-03-01), Iwasaki et al.
patent: 4785217 (1988-11-01), Matsuda et al.
Itou Takeo
Matsuda Hidemi
Tanaka Hajime
Kabushiki Kaisha Toshiba
Wieder Kenneth
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