Selectively shaped field emission electron beam source, and phos

Details Selectively shaped field emission electron beam source, and phos Selectively shaped field emission electron beam source, and phos

1994-03-24

1996-12-10

Patel, Nimeshkumar

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

313309, 313310, 313336, 313351, 313496, 313466, 445 50, H01J 130, H01J 2918, H01J 6304

Patent

active

055833934

ABSTRACT:
A field emitter device for selective emission of an electron and/or ion beam comprising a substrate member having an array of field emitter elements thereon, in which the field emitter elements and/or substrate member have a varied conformation producing a beam of appropriate focused and/or directional character. Also disclosed is a display article for producing an output in response to impingement of electron beams thereon, comprising a substrate member on which is disposed an array of phosphor elements, with a diamond-like film coated on the phosphor elements to maintain the phosphor elements in position on the substrate member. Also disclosed is a field emission apparatus comprising such field emitter device and display article, such as a flat panel display.

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