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US 5,310,504 AGranted
Phosphor slurry composition for color Braun tubes
AssigneeSamsung Electron Devices Co., Ltd.
InventorsIkchull Ihm, Minho Kim, Ichull Ihm
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Abstract
The present invention discloses a phosphor slurry composition for color Braun tubes comprising deionized water, phosphor powder, polyvinyl alcohol, sodium dichromate, ethyl silicate and zinc sulfate. A color Braun tube manufactured using a phosphor slurry composition of the present invention shows an excellent mirror reflection effect and high luminescent brightness.
Claims1
A phosphor slurry composition for color Braun tubes comprising:
- a) 100 parts by weight of phosphor powder,
- b) 120-130 parts by weight of polyvinyl alcohol,
- c) 5-6 parts by weight of sodium dichromate,
- d) 0.0009-0.5 parts by weight of ethyl silicate,
- e) 0.002-0.04 parts by weight of zinc sulfate and
- f) 120-130 parts by weight of deionized water.
3 more elements
Dependencies are inferred from the claim text.