Abstract: An organic electroluminescence device may include a first electrode, a second electrode opposite to the first electrode, and organic layers disposed between the first electrode and the second electrode. At least one of organic layers may include an organometallic complex including a first metal complex having a metal atom as a center atom of the first metal complex, a second metal complex having the metal atom as a center atom of the second metal complex, and an aromatic ring group connecting the first metal complex to the second metal complex.

Abstract: An organometallic compound is represented by Formula 1 and an organic light-emitting device includes the same. The organic light-emitting device includes: a first; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the organic layer includes an organometallic compound represented by Formula 1.

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer. The emission layer includes at least one organometallic compound of Formula 1, and at least one selected from a second compound and a third compound, where the organometallic compound, the second compound, and the third compound are different from each other.

Abstract: Provided are an organometallic compound, an organic light-emitting device including the organometallic compound, and an apparatus including the organometallic compound. The organic light-emitting device includes a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the organic layer includes the organometallic compound.

Abstract: Provided are an organometallic compound represented by Formula 1 and an organic light-emitting device including the same. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode and including an emission layer; and at least one organometallic compound represented by Formula 1.

Abstract: Provided are an organometallic compound, an organic light-emitting device including the same, and an apparatus including the organic light-emitting device. The organic light-emitting device includes: a first electrode; a second electrode; and an organic layer including an emission layer between the first electrode and the second electrode, wherein the organic layer includes the organometallic compound.

Abstract: Provided are an organometallic compound represented by Formula 1 and an organic light-emitting device including the same. The organic light-emitting device includes a first electrode; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode and including an emission layer; and at least one organometallic compound represented by Formula 1.

Abstract: Provided are an organometallic compound, an organic light-emitting device including the organometallic compound, and an apparatus including the organic light-emitting device.

Abstract: Provided are an organometallic compound and an organic light-emitting device including the same.

Abstract: Provided are an organometallic compound, an organic light-emitting device including the organometallic compound, and an apparatus including the organic light-emitting device. The organometallic compound may be represented by the formula M11 M12 (L11)n11(L12)n12, wherein M11 and M12 are each independently selected from a Period 1 transition metal, a Period 2 transition metal, and a Period 3 transition metal; L11 is a ligand represented by Formula 1-1 shown below, L12 is selected from a monodentate ligand and a bidentate ligand, n11 is 1, and n12 is selected from 0, 1, 2, 3, and 4.

Abstract: An organic light-emitting device is provided to include: a first electrode; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode, the organic layer including an emission layer; and at least one organometallic compound represented by Formula 1: M1M2L,??Formula 1 wherein, in Formula 1, M1 is a first metal center, M2 is a second metal center, and L is a ligand including a first ligand site coordinated to the first metal center and a second ligand site coordinated to the second metal center, and the first ligand site and the second ligand site are linked by an indoloindole derivative.

Abstract: An organic light-emitting device includes a first electrode, a second electrode facing the first electrode, an organic layer between the first electrode and the second electrode and including an emission layer, and at least one organometallic compound represented by Formula 1:

Abstract: Provided are an organometallic compound and an organic light-emitting device including the same.

Abstract: An organic light-emitting device includes an organometallic compound represented by M1(L1)n1(L2)n2, wherein L1 is a ligand represented by Formula 1-1: In Formula 1-1, *1 to *4 indicate a binding site to M1, and Z11 and Z12 are respectively boron (B) and nitrogen (N), or N and B. When M1 binds to an ?-position of the B or N atom, metal-ligand charge transfer in the complex may be improved. An OLED including the organometallic compound may have a long lifespan and improved luminescent efficiency and colorimetric purity.

Abstract: An organic light-emitting device and an organometallic compound are provided, the organic light-emitting device including a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the organic light-emitting device further includes an organometallic compound represented by Formula 1: wherein, M, Y1 to Y4, T1 to T4, A1 to A5, X1, X2, L1 to L3, a1 to a3, R1 to R5 and b1 to b5 are the same as defined in the specification.