Organic electroluminescence device
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Abstract
An organic EL device including at least an anode, a cathode and an organic light-emitting zone with high brightness is provided. A mixture containing at least two compounds is used for a light-emitting zone and the spectrum of the luminescence from light-emitting zone includes at least one peak at a wavelength which is different from neither of fluorescent peak positions of the compounds included in light-emitting zone.
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Citations
104 Claims
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1-103. -103. (canceled)
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104. An organic electroluminescence device having a light-emitting zone, wherein the light-emitting zone comprises at least two compounds, and a spectrum of luminescence from the light-emitting zone includes at least one peak at a wavelength which is different from a spectrum of any one of fluorescent peak positions of the compounds included in the light-emitting zone,
wherein the light-emitting zone comprises a mixture containing at least one electroluminescent material represented by the following formula [1] wherein Ar1 designates a substituted or non-substituted arylene group having 5 to 42 carbon atoms, Ar2 to Ar5 designate, independently with one another, a substituted or non-substituted aryl group having 6 to 20 carbon atoms, and wherein at least one of Ar2 to Ar5 of the compound represented by the formula [1] has a substituted or non-substituted styryl group as a substituent.
Specification