Abstract: A light-emitting device includes a first compound being an organometallic compound represented by Formula 1. The light-emitting device may further include a second compound including at least one ? electron-deficient nitrogen-containing C1-C60 cyclic group, a third compound including a group represented by Formula 3, a fourth compound configured to emit delayed fluorescence, or any combination thereof, wherein the first compound, the second compound, the third compound, and the fourth compound are different from each other.

Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; an interlayer between the first electrode and the second electrode and including an emission layer; and an organometallic compound of Formula 1: wherein, in Formula 1, the variables are described herein.

Abstract: An organic electroluminescence device including a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region, wherein the emission layer may include an organometallic compound represented by Formula 1 to thereby exhibit a long service life and/or high efficiency:

Abstract: An electronic apparatus includes a light-emitting device including an organometallic compound represented by Formula 1: wherein in Formula 1, CY1 to CY3 are each independently a C3-C60 carbocyclic group or a C1-C60 heterocyclic group, Y1 to Y4 are each independently C or N, and A1 to A4 are each independently a chemical bond, O, or S.

Abstract: Provided are an organometallic compound, a light-emitting device including the organometallic compound, and an electronic apparatus including the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer disposed between the first electrode and the second electrode. The interlayer includes an emission layer. The emission layer includes a first compound which is the organometallic compound; and a second compound, a third compound, a fourth compound, or any combination thereof. The first compound, the second compound, the third compound, and the fourth compound are different from one another.

Abstract: An organometallic compound represented by Formula 1 and a light-emitting device including the same. In Formula 1, the substituents are the same as defined in the Detailed Description.

Abstract: Provided are an organometallic compound represented by Formula 1, a light-emitting device including the same, and an electronic apparatus including the light-emitting device: wherein the detailed description of Formula 1 is the same as described in the present specification.

Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; an interlayer between the first electrode and the second electrode and including an emission layer; and at least one organometallic compound of Formula 1, as defined herein. The first electrode includes an anode, and the second electrode includes a cathode.

Abstract: An organic electroluminescence device is provided and including a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region, wherein the emission layer may include an organometallic compound, thereby exhibiting high luminous efficiency and long service life characteristics.

Abstract: A light-emitting device includes a first compound represented by Formula 1, for example, in an emission layer of the device as a dopant or emitter.

Abstract: A light-emitting device includes: a first electrode; a second electrode; an interlayer between the first electrode and the second electrode and including an emission layer; and an organometallic compound represented by Formula 1, as defined herein.

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: Provided is an organometallic compound, a light-emitting device including the same, and an electronic apparatus including the light-emitting device.

Abstract: There is provided an organometallic compound represented by Formula 1 and an organic light-emitting device including the same: wherein, the detailed description of Formula 1 is the same as described in the present specification.

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 represented by Formula 1 and an organic light-emitting device including the organometallic compound. 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 comprising an emission layer; and at least one of the organometallic compound represented by Formula 1.

Abstract: An organometallic compound represented by Formula 1, a light-emitting device including the same, and an electronic apparatus including the light-emitting device are disclosed. In Formula 1, the substituents are as described in more detail in the specification.

Abstract: A light-emitting device includes a first compound represented by Formula 1; and a second compound, a third compound, a fourth compound, or any combination thereof, each having a specific formula: emitting device may have excellent driving voltage, current density, high luminescence efficiency, and long lifespan, and may be used in the manufacture of a high quality electronic apparatus.

Abstract: Provided is a method of purifying a phosphorescent dopant, the method including reacting the phosphorescent dopant with Ag2O.

Abstract: An organometallic compound is provided, which is represented by Formula 1: The substituents of Formula 1 will be understood by the definitions provided in the specification. A light-emitting device including the organometallic compound and an electronic apparatus including the light-emitting device are also provided.