Phosphor layers for electroluminescent panels and methods of...

Compositions – Inorganic luminescent compositions with organic...

Reexamination Certificate

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C427S064000, C427S065000, C427S066000, C427S067000, C427S068000, C427S071000, C427S157000

Reexamination Certificate

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10476645

ABSTRACT:
A phosphor layer for an electroluminescent panel comprises a phosphor powder held in a binder. The binder comprises a mixture of two constituents, one of which is a drying oil or a semi-drying oil or a derivative and the other constituent is a sol-gel precursers. Examples of suitable oils are linseed oil, rape seed oil, sunflower oil and soyabean oil. Examples of suitable sol-gel precursers are tetraethyl orthosilicate, boron iso-propoxide, aluminium sec-butoxide and titanium iso-propoxide. Metal salts such as metal alkoxides, metal acetates and metal nitrates may be mixed with the sol-gel precursers.

REFERENCES:
patent: 2834903 (1958-05-01), Roberts
patent: 5374377 (1994-12-01), Nguyen et al.
patent: 5589048 (1996-12-01), De Jaeger et al.
patent: 5635006 (1997-06-01), Watanabe et al.
patent: 6479941 (2002-11-01), Abe et al.
patent: 2 017 140 (1979-10-01), None
patent: WO 00/27169 (2000-05-01), None
Derwent abstract for JP 73019105 B, 1973.
Page 338, Phosphor Handbook, Yen et al:ed., 1999.

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