Samsung Display Co., Ltd.

Samsung Displayco., Ltd.

Mieun Jun

Seokhwan Hwang

Youngkook Kim

Soobyung Ko

Heechoon Ahn

Sungbum Kim

Mina Jeon

Haejin Kim

Junghoon Han

Jongwoo Kim

Hyoyoung Lee

Junha Park

Munki Sim

Soo-byung Ko

Sanghyun Han

Jaejin Lyu

Seokgyu Yoon

Hyejin Jung

Sooyon Kim

Seunggak Yang

Kwanghyun Kim

Hyeongu Cho

An organometallic compound represented by Formula 1 or 2 and an organic light-emitting device including the same.

Organometallic compound and organic light-emitting device including the same

Provided are an organometallic compound, an organic light-emitting device including the organometallic compound, and an organic light-emitting apparatus including the organic light-emitting device. Organic light-emitting devices including the organometallic compound may have a low driving voltage, high efficiency, and high luminance, thereby implementing high-quality organic light-emitting devices and organic light-emitting apparatuses.

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

Provided are an organometallic compound and an organic light-emitting device including the organometallic compound. The organometallic compound may be represented by Formula 1. In Formula 1, Lmay be a ligand represented by Formula 2A or 2B, and Lmay be a monovalent organic ligand or a divalent organic ligand.

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; and an organic layer comprising an emission layer between the first electrode and the second electrode, the organic layer including the organometallic compound represented by Formula 1.

An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the emission layer includes an organometallic compound of Formula 1. The organometallic compound of Formula 1 may be a phosphorescent dopant:

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 heterocyclic compound of Formula 1. The heterocyclic compound may be a host or a delayed fluorescent dopant. The organic light-emitting device including the heterocyclic compound may have a low driving voltage, high efficiency, high luminance, and a long lifespan.

Heterocyclic compound and organic light-emitting device including the same

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; an organic layer disposed between the first electrode and the second electrode, the organic layer including an emission layer and the organometallic compound represented by Formula 1.

An aromatic compound which improves emission efficiency and an organic electroluminescence device including the same are provided. The organic electroluminescence device includes: a first electrode; a second electrode opposite to the first electrode; and a plurality of organic layers between the first electrode and the second electrode, where at least one organic layer among the plurality of organic layers includes the aromatic compound. The aromatic compound is represented by Formula 1 below.

Aromatic compound and organic electroluminescence device including the same

A condensed-cyclic compound and an organic light-emitting device, the condensed-cyclic compound being represented by the following Formula 1:

Condensed-cyclic compound and organic light emitting device including the same

Provided are a condensed cyclic compound and an organic light-emitting device including the same. The organic light-emitting device may include a first electrode, a second electrode, and an organic layer disposed between the first electrode and the second electrode. The organic layer may include the condensed cyclic compound represented by Formula 1: In Formula 1, rings A, A, and Amay each be independently a C-Ccarbocyclic group or a C-Cheterocyclic group, and n1 to n3 may each be independently 0 or 1, provided that the sum of n1, n2, and n3 is 1. In addition, the descriptions of X, Lto L, a1 to a9, Arto Ar, b1 to b6, Rto R, and c1 to c3 are as defined in the present specification.

Condensed cyclic compound and organic light-emitting device including the same

An organometallic compound and an organic light-emitting device including the same are provided. The organometallic compound may be represented by Formula 1. In the compound of Formula 1, Mmay be selected from platinum (Pt), palladium (Pd), copper (Cu), silver (Ag), gold (Au), rhodium (Rh), iridium (Ir), ruthenium (Ru), osmium (Os), titanium (Ti), zirconium (Zr), hafnium (Hf), europium (Eu), terbium (Tb), and thulium (Tm). The structural characteristics of the organometallic compound may promote energy transfer, improve luminescent efficiency, and implement high color purity when applied to an organic light-emitting device. 

A heterocyclic compound represented by Formula 1: wherein Ain Formula 1 is selected from groups represented by Formulae 1-1 to 1-7, and an organic light-emitting device including the same.

A heterocyclic compound and an organic light-emitting device including the same are provided. The heterocyclic compound is represented by Formula 1:  Details of R1, R2, R3, X1, L1, and a1 and b1 are provided in the disclosure.

A heterocyclic compound represented by Formula 1 and an organic light-emitting device including the same are provided:  When the nitrogen atom of the acridine moiety is combined (e.g., coupled) with an spcarbon atom of the pentagonal ring, either directly or through a pi-conjugated carbocyclic group, the compound may be electron rich and may easily transport charges. The heterocyclic compound represented by Formula 1 may be used as a delayed fluorescence emitter in the organic light-emitting device, and the device may have a low driving voltage, a high efficiency, a high luminance, and a long lifespan.

A heterocyclic compound and an organic light-emitting device including the heterocyclic compound, the heterocyclic compound being represented by the following Formula 1:A-(A),&#x2003;&#x2003;&#x3c;Formula 1&#x3e; 

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Mieun Jun