Organic electroluminescent device, organic electroluminescent display device including the same, and organometallic compound for organic electroluminescent device

An organic electroluminescent display device, comprising:

• a first pixel comprising a first organic electroluminescent device which emits first visible rays;
• a second pixel comprising a second organic electroluminescent device which emits second visible rays;
• a third pixel comprising a third organic electroluminescent device which emits third visible rays;
• and
• a fourth pixel comprising a fourth organic electroluminescent device which emits near-infrared rays;
• wherein the fourth organic electroluminescent device comprises an emission layer comprising an organometallic compound represented by the following Formula 1:
• wherein in Formula 1,
• R1 and R2 are each independently a hydrogen atom, a deuterium atom, a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, 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, or are combined with an adjacent group to form a ring,
• “p” is an integer of 0 to 4,
• “q” is an integer of 0 to 3,
• “n” is 1 or 2,
• M is Pt, Ir or Os, and
• L1 is a bidentate ligand.

An organometallic compound represented by the following Formula 1:

• wherein in Formula 1,
• R1 and R2 are each independently a hydrogen atom, a deuterium atom, a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, 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, or are combined with an adjacent group to form a ring,
• “p” is an integer of 0 to 4,
• “q” is an integer of 0 to 3,
• “n” is 1 or 2,
• M is Pt, Ir or Os, and
• L1 is a bidentate ligand.