Fluorene compound, polymers thereof having a polyphenylene group, and EL element comprising the same
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United States of America Patent
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Oct 5, 2004
Grant Date -
May 29, 2003
app pub date -
Oct 14, 2002
filing date -
Oct 26, 2001
priority date (Note) -
Expired
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Abstract
A fluorene compound and polymers thereof having a polyphenylene group, and EL element comprising the same, which can be prepared through a Diels-Alder reaction of a compound having one or more cyclopentadienone group and a compound having one or more acetylene group and can be used as a core material for organic and polymeric EL element and/or other optical devices.
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