Phosphor layers for electroluminescent panels and methods of their manufacture
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United States of America Patent
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May 29, 2007
Grant Date -
Mar 10, 2005
app pub date -
Apr 29, 2002
filing date -
May 4, 2001
priority date (Note) -
Expired
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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.
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