Image display apparatus

Details Image display apparatus Image display apparatus

2009-06-30

2011-12-20

Cho, James H (Department: 2819)

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

C315S169400, C345S063000, C345S077000, C313S505000

Reexamination Certificate

active

08080943

ABSTRACT:
An image display apparatus of a present invention has a rear plate having a plurality of electron-emitting devices, a face plate having a light-emitting member, a high-voltage power source which applies a high voltage to the light-emitting member, a current detecting unit which detects an emission current from the electron-emitting devices, and a bypass capacitor. One end of the bypass capacitor is connected between the high-voltage power source and the current detecting unit, and the other end of the bypass capacitor is connected to a potential regulating electrode, and an electrostatic capacitance Cp of the bypass capacitor satisfies a following formula:in-line-formulae description="In-line Formulae" end="lead"?Cp>∈A/din-line-formulae description="In-line Formulae" end="tail"?where ∈: permittivity of vacuum, A: an area of the light-emitting member, and d: a distance between the rear plate and the face plate.

REFERENCES:
patent: 6060840 (2000-05-01), Foo et al.
patent: 6465966 (2002-10-01), Konuma
patent: 7391167 (2008-06-01), Jang et al.
patent: 7542016 (2009-06-01), Kim
patent: 2002/0008482 (2002-01-01), Konuma
patent: 2001-209352 (2001-08-01), None

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