Fluorescent film structure of color Braun tube

Details Fluorescent film structure of color Braun tube Fluorescent film structure of color Braun tube

1996-04-16

1997-10-14

Nold, Charles

Stock material or miscellaneous articles

Composite

Of inorganic material

428691, 427 64, 427 68, 25230136, 313478, 313474, 313477, 348781, 348786, B05D 506

Patent

active

056770715

ABSTRACT:
The present invention is to improve color purity and brightness of a color Braun tube by constructing a fluorescent film for a red fluorescent material as a laminated structure. The present invention relates to a structure of a fluorescent film for a color Braun tube wherein the fluorescent film of the red fluorescent material comprises fluorescent material layers having a laminate structure made of two different compositions of Y.sub.2 O.sub.2 S: Eu and Y.sub.2 O.sub.3 :Eu.

REFERENCES:
patent: 5310504 (1994-05-01), Ihm et al.
patent: 5322707 (1994-06-01), Ihm et al.

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