Dispersion for preventing electrification antistatic film...

Details Dispersion for preventing electrification antistatic film... Dispersion for preventing electrification antistatic film...

2006-01-31

2006-01-31

Xu, Ling X. (Department: 1775)

Electric lamp and discharge devices

Cathode ray tube

Envelope

C313S439000, C313S493000, C313S495000, C313S498000, C313S422000, C313S512000, C313S479000, C313S480000, C428S328000, C428S331000, C428S405000, C428S689000, C428S697000, C428S698000, C428S699000, C428S701000, C428S702000

Reexamination Certificate

active

06992431

ABSTRACT:
An image display device having a vacuum envelope which has a light transmissible panel, a funnel and a neck, its inside held vacuum, a phosphor layer is formed on the inside surface of the light transmissible panel, an electron gun is disposed within the neck. An antistatic film which contains high-resistance fine particles having a specific resistivity of 106to 109Ω·cm is formed on inside wall of the neck. The image display device is free from deterioration of display characteristics caused by a change of the track of electrons emitted by the application of voltage, a spark in a tube, or a leakage current.

REFERENCES:
patent: 4101803 (1978-07-01), Retsky et al.
patent: 5189337 (1993-02-01), Endo et al.
patent: 5785892 (1998-07-01), Nishida et al.
patent: 301104 (1989-02-01), None
patent: 8-114803 (1996-05-01), None

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