Samsung Display Co., Ltd.

Eunsoo Ahn

Sungbum Kim

Jaesung Lee

Hyunjung Lee

Soobyung Ko

Junghoon Han

Sujin Shin

Eunyoung Lee

Haejin Kim

Mina Jeon

Youngkook Kim

Jaejin Lyu

Soo-byung Ko

Sunmi Choi

Jihyung Lee

Hyun Jung Lee

Soo-Byung Ko

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 π electron-deficient nitrogen-containing C-Ccyclic 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. The light-emitting device may be included in an electronic apparatus:

Organometallic compound and light-emitting device including the same

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:

Organometallic compound and organic light-emitting device including the same

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:

Organic electroluminescence device and organometallic compound for organic electroluminescence device

An organometallic compound is represented by Formula 1. 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 of the organometallic compound represented by Formula 1.

Provided are an organometallic compound and an organic light-emitting device including the same. An organic layer of the organic light-emitting device includes an organometallic compound represented by Formula 1:

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. An electronic apparatus includes the light-emitting device, and the first compound represented by Formula 1 is an organometallic compound, in which M is platinum (Pt), palladium (Pd), gold (Au), nickel (Ni), silver (Ag), or copper (Cu):

Organometallic compound, light-emitting device including the same, and electronic apparatus including the light-emitting device

An organic electroluminescence device includes an organometallic compound represented by Formula 1 in an emission layer to achieve high efficiency, low driving voltage, high luminance, and long life:

Provided are an organometallic compound represented by Formula 1, wherein in Lis a ligand represented by Formula 1-1, 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.M(L)(L)  Formula 1

Organometallic compound, organic light-emitting device including organometallic compound, and apparatus including organometallic compound

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, wherein the organic light-emitting device includes an organometallic compound represented by Formula 1. When the organometallic compound is used in an organic light-emitting device, the organic light-emitting device may have excellent effects in terms of driving voltage, efficiency, color purity, and/or lifespan:

Provided is an organometallic compound, a light-emitting device including the same, and an electronic apparatus including the light-emitting device. The organometallic compound is represented by Formula 1, which is defined in the specification:

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.

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 is represented by Formula 1:M(L)(L)  <Formula 1> In Formula 1, Lis a ligand represented by Formula 1-1, which is explained in the specification:

Organometallic compound, organic light-emitting device including the organometallic compound, and apparatus including the organic light-emitting device

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.

Organometallic compound, light-emitting device including the same, and electronic apparatus

An organic light-emitting device includes: a first electrode; a second electrode; an organic layer between the first electrode and the second electrode and including an emission layer; and at least one organometallic compound of the present embodiments. In the organic light-emitting device, the emission layer may further include a host, and the at least one organometallic compound may be a phosphorescent material or a delayed fluorescent material. The organic light-emitting device including the organometallic compound may have a low driving voltage, a high luminance, a high efficiency, and a long lifespan.

Provided is a method of purifying a phosphorescent dopant, the method including reacting the phosphorescent dopant with AgO.

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Yongin-si, South Korea

Eunsoo Ahn