Organic electroluminescent material and organic electroluminescent device by using the same
First Claim
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1. An organic electroluminescent material of the formula (1):
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Abstract
An organic electroluminescent material of the formula (1):
wherein A and B are an electron donating group, R1 and R2 are an alkyl group.
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21 Claims
- 1. An organic electroluminescent material of the formula (1):
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6. An organic electroluminescent device, comprising:
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a substrate;
a first electrode;
a second electrode; and
a light-emitting layer, wherein the first electrode, the light-emitting layer and the second electrode are disposed over the substrate in sequence, and the light-emitting layer comprises an organic electroluminescent material of the formula (2);
wherein A′ and
B′
are an electron donating group, R1′ and
R2′
are an alkyl group. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification