Image display device having a spacer structure for reducing...

Electric lamp and discharge devices – With support and/or spacing structure for electrode and/or... – Supporting and/or spacing elements

Reexamination Certificate

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Details

C313S495000, C313S288000, C313S238000, C315S169100

Reexamination Certificate

active

11025988

ABSTRACT:
An image forming device includes a rear plate having a conductor set to a low voltage, an electron emitter disposed on the rear plate, the electron emitter including the conductor, and a face plate having an electrode set to a high voltage and facing the rear plate. An image forming source is provided on the face plate and includes the electrode. A spacer is electrically connected to the conductor and the electrode and includes an insulating substrate having a first end surface facing the rear plate, a second end surface facing the electrode, and side surfaces connecting the first end surface and the second end surface. A first high-resistance film covers the side surfaces of the insulating substrate, and a second high-resistance film covers at least one of the first end surface and the second end surface of the insulating substrate and has a sheet resistance greater than or equal to a sheet resistance of the first high-resistance film. In addition, the spacer, the conductor and the electrode are electrically connected via a third high-resistance film interposed between the conductor or the electrode and the second high-resistance film.

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patent: 2003-136741 (2003-05-01), None

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