Provided is the nitrogen-containing compound shown in Chemical formula 1, an organic electroluminescent device, and an electronic apparatus, relating to the technical field of organic materials. The nitrogen-containing compound can improve the performance of the organic electroluminescent device.

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Provided is the nitrogen-containing compound shown in Chemical formula 1, an organic electroluminescent device, and an electronic apparatus, relating to the technical field of organic materials. The nitrogen-containing compound can improve the performance of the organic electroluminescent device.

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The present specification relates to a polymer comprising a unit represented by Chemical Formula 1, a monomer represented by Chemical Formula 2, a coating composition comprising the same, an organic light emitting device formed using the same, and a method for manufacturing an organic light emitting device using the same:

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wherein the variables are described herein.

The present specification relates to a polymer comprising a unit represented by Chemical Formula 1, a monomer represented by Chemical Formula 2, a coating composition comprising the same, an organic light emitting device formed using the same, and a method for manufacturing an organic light emitting device using the same:

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wherein the variables are described herein.

The present application provides a heterocyclic compound capable of significantly enhancing lifetime, efficiency, electrochemical stability and thermal stability of an organic light emitting device, and an organic light emitting device including the heterocyclic compound in an organic material layer.

A nitrogen-containing compound as shown in Chemical formula (1), an electronic element, and an electronic device are provided. In Chemical formula (1), Ar.sub.1 and Ar.sub.2 are selected from a substituted or unsubstituted C6 to C30 aryl, a substituted or unsubstituted C3 to C30 heteroaryl, or a substituted or unsubstituted C3 to C20 cycloalkyl; Ar.sub.3 is selected from a substituted or unsubstituted C6 to C20 aryl, or a substituted or unsubstituted C3 to C20 heteroaryl.

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A nitrogen-containing compound as shown in Chemical formula (1), an electronic element, and an electronic device are provided. In Chemical formula (1), Ar.sub.1 and Ar.sub.2 are selected from a substituted or unsubstituted C6 to C30 aryl, a substituted or unsubstituted C3 to C30 heteroaryl, or a substituted or unsubstituted C3 to C20 cycloalkyl; Ar.sub.3 is selected from a substituted or unsubstituted C6 to C20 aryl, or a substituted or unsubstituted C3 to C20 heteroaryl.

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An organic electroluminescence device includes an anode, a cathode, a first emitting layer, and a second emitting layer provided between the first emitting layer and the cathode, in which the first emitting layer includes, as a first host material, a first compound that includes at least one group represented by a formula (11) below, the first compound being represented by a formula (1) below, the second emitting layer includes a second compound represented by a formula (2) below as a second host material, and the first emitting layer is in direct contact with the second emitting layer. L.sub.101 is a single bond or a substituted or unsubstituted arylene group having 6 to 50 ring carbon atoms. Ar.sub.101 is a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms. mx is 0, 1, 2, 3, 4, or 5.

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An organic electroluminescence device includes an anode, a cathode, a first emitting layer, and a second emitting layer provided between the first emitting layer and the cathode, in which the first emitting layer includes, as a first host material, a first compound that includes at least one group represented by a formula (11) below, the first compound being represented by a formula (1) below, the second emitting layer includes a second compound represented by a formula (2) below as a second host material, and the first emitting layer is in direct contact with the second emitting layer. L.sub.101 is a single bond or a substituted or unsubstituted arylene group having 6 to 50 ring carbon atoms. Ar.sub.101 is a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms. mx is 0, 1, 2, 3, 4, or 5.

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An organic electroluminescence device includes an anode, a cathode, and an emitting layer disposed between the anode and the cathode. The emitting layer comprises a delayed fluorescent compound M2 having at least one deuterium atom and a compound M3 having at least one deuterium atom. A singlet energy S.sub.1(M2) of the compound M2 and a singlet energy S.sub.1(M3) of the compound M3 satisfy the relationship S.sub.1(M3)>S.sub.1(M2).