Field emission display with non-evaporable getter material

Details Field emission display with non-evaporable getter material Field emission display with non-evaporable getter material

1998-07-31

2000-03-07

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

H01J 938

Patent

active

060332786

ABSTRACT:
The present invention provides an FED with a getter material deposited and activated on the substrates of the faceplate and the baseplate of the FED. In one embodiment of the invention, a large FED includes a faceplate, a baseplate, and an unactivated non-evaporable getter material. The faceplate has a transparent substrate with an inner surface, and a cathodoluminescent material disposed on a portion of the inner surface. The baseplate has a base substrate with a first surface and an emitter array formed on the first surface. The baseplate and the faceplate are coupled together to form a sealed vacuum space in which the inner surface and the first surface are juxtaposed to one another in a spaced-apart relationship across a vacuum gap. The unactivated non-evaporating getter material is deposited directly on the inner surface and/or the first surface. The unactivated non-evaporating getter material may alternatively be deposited on a thin film of bonding material that is disposed on the inner surface and/or the first surface.

REFERENCES:
patent: 5223766 (1993-06-01), Nakayama et al.
patent: 5520563 (1996-05-01), Wallace et al.
patent: 5614785 (1997-03-01), Wallace et al.
patent: 5656889 (1997-08-01), Niiyama et al.
patent: 5688708 (1997-11-01), Kato et al.
E. Giorgi and B. Ferrario, High-Porosity Thick-Film Getters, IEEE Transactions on Electronic Devices, vol. 38, pp. 2744-2747 (Nov. 1989).

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