Luminescent screen with mask layer

Details Luminescent screen with mask layer Luminescent screen with mask layer

1996-11-12

1998-07-14

Chapman, Mark

Etching a substrate: processes

Forming or treating mask used for its nonetching function

216 24, 216 25, 313402, 313409, 313415, B44C 122

Patent

active

057799202

ABSTRACT:
The present invention provides luminescent screens with a mask layer, methods of manufacturing the screens, and display devices incorporating the screens. The mask layer is attached to a matrix defining the pixels in the screen and preferably includes voids formed therethrough corresponding to each pixel. The voids in the mask layer preferably have a size generally corresponding to that of the pixels near the phosphor material and narrow in the direction of the electron source.

REFERENCES:
patent: 3665241 (1972-05-01), Spindt et al.
patent: 3755704 (1973-08-01), Spindt et al.
patent: 3812559 (1974-05-01), Spindt et al.
patent: 5210472 (1993-05-01), Casper et al.
patent: 5372973 (1994-12-01), Doan et al.
patent: 5578225 (1996-11-01), Chien
patent: 5705079 (1998-01-01), Elledge
T. Sugiura, "Dyeing Color-Filters For Liquid Crystal Display", Conference Record of the 1991 International Display Research Conference, Oct. 15-17, 1991, (San Diego, CA), IEEE, pp. 81-84 (1991).

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