Light-emitting material for organic electroluminescence device, and organic electroluminescence device for which the light-emitting material is adapted
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United States of America Patent
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Jun 26, 2001
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N/A
app pub date -
Feb 26, 1998
filing date -
Sep 25, 1995
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Abstract
A light-emitting material of the following general formula [1] for an organic electroluminescence device, ##STR1## wherein each of A.sup.1 to A.sup.4 is a substituted or unsubstituted aryl group having 6 to 16 carbon atoms, and each of R.sup.1 to R.sup.8 is independently a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryl group or a substituted or unsubstituted amino group, provided that adjacent substituents may form an aryl ring.
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