Organic electroluminescence device and nitrogen-containing compound for organic electroluminescence device

An organic electroluminescence device, comprising:

• a first electrode;
• a hole transport region on the first electrode;
• an emission layer on the hole transport region;
• an electron transport region on the emission layer;
• and
• a second electrode on the electron transport region,
• wherein the emission layer comprises a nitrogen-containing compound represented by following Formula 1:
• wherein in Formula 1,
• X and Z are each independently a hydrogen atom, a deuterium atom, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted carbazole group,
• Y is a hydrogen atom, a deuterium atom, or a substituted or unsubstituted phenyl group,
• at least one of X, Y or Z is not a hydrogen atom and is not a deuterium atom,
• one of X and Y is a hydrogen atom or a deuterium atom,
• R1 and R2 are each independently a hydrogen atom, a deuterium atom, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted heteroaryl group having 2 to 30 carbon atoms for forming a ring,
• L is a substituted or unsubstituted arylene group having 6 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted heteroarylene group having 2 to 30 carbon atoms for forming a ring,
• a is an integer of 0 to 4,
• b is an integer of 0 to 2,
• c is 1 or 2, and
• d is 1 or 2.

A nitrogen-containing compound represented by following Formula 1:

• wherein in Formula 1,
• X and Z are each independently a hydrogen atom, a deuterium atom, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted carbazole group,
• Y is a hydrogen atom, a deuterium atom, or a substituted or unsubstituted phenyl group,
• at least one of X, Y or Z is not a hydrogen atom and is not a deuterium atom,
• one of X and Y is a hydrogen atom or a deuterium atom,
• R1 and R2 are each independently a hydrogen atom, a deuterium atom, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted heteroaryl group having 2 to 30 carbon atoms for forming a ring,
• L is a substituted or unsubstituted arylene group having 6 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted heteroarylene group having 2 to 30 carbon atoms for forming a ring,
• a is an integer of 0 to 4,
• b is an integer of 0 to 2,
• c is 1 or 2, and
• d is 1 or 2.