Thin-panel picture display device

Details Thin-panel picture display device Thin-panel picture display device

1997-01-02

1999-01-19

Patel, Nimeshkumar

Electric lamp and discharge devices

Cathode ray tube

Beam deflecting means

313103CM, 313105CM, 313495, 3151691, H01J 2970, H01J 162, G09G 310

Patent

active

058617094

ABSTRACT:
A picture display device having a vacuum envelope which is provided with a transparent face plate and a display screen having a pattern of luminescent pixels, and with a rear wall, comprising electron-producing means, an addressing system arranged between said means and the face plate so as to address desired pixels, and, adjacent to the display screen, a plate of electrically insulating material provided with apertures for passing electrons, in operation a voltage difference being applied across said plate, characterized in that the surface at the electron entrance side of the apertured plate is coated with a coating of a material selected from the group comprising nonstoichiometric nitrides, borides and carbides of Al and/or Si, and amorphous Si.

REFERENCES:
patent: 5313136 (1994-05-01), Van Gorkom
patent: 5557296 (1996-09-01), Lambert
patent: 5614781 (1997-03-01), Spindt et al.
patent: 5721468 (1998-02-01), De Zwart et al.

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