Organic Electroluminescence Element, Display and Illuminator
First Claim
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1. An organic electroluminescence element comprising an anode and a cathode having therebetween:
- at least two or more light emission layers exhibiting different emission peaks and an intermediate layer provided between the light emission layers, whereinat least one of the light emission layers comprises a phosphorescent compound as a light emission compound; and
an excited triplet energy of a compound forming the intermediate layer is larger than an excited triplet energy of the phosphorescent compound.
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Abstract
An organic electroluminescence element comprising an anode and a cathode having therebetween: at least two or more light emission layers exhibiting different emission peaks and an intermediate layer provided between the light emission layers, wherein at least one of the light emission layers comprises a phosphorescent compound as a light emission compound; and an excited triplet energy of a compound forming the intermediate layer is larger than an excited triplet energy of the phosphorescent compound.
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14 Claims
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1. An organic electroluminescence element comprising an anode and a cathode having therebetween:
- at least two or more light emission layers exhibiting different emission peaks and an intermediate layer provided between the light emission layers, wherein
at least one of the light emission layers comprises a phosphorescent compound as a light emission compound; and an excited triplet energy of a compound forming the intermediate layer is larger than an excited triplet energy of the phosphorescent compound. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
- at least two or more light emission layers exhibiting different emission peaks and an intermediate layer provided between the light emission layers, wherein
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