Abstract: A light emitting element including a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode is provided. The emission layer includes a polycyclic compound having two N atoms and a B atom fused to three aromatic rings, and at least one sterically bulky substituent. The shape of the polycyclic compound may reduce intermolecular interactions and provide material and chemical stability.

Abstract: Embodiments provide a fused polycyclic compound, a light emitting element including the fused polycyclic compound, and a display device including the light emitting element. The light emitting element includes a first electrode, a second electrode facing the first electrode, and at least one functional layer disposed between the first electrode and the second electrode, wherein the at least one functional layer includes a first compound represented by Formula 1.

Abstract: A light emitting element including a first electrode, a second electrode provided on the first electrode, and an emission layer provided between the first electrode and the second electrode is provided. The emission layer includes a first compound and may exhibit high efficiency and long service life characteristics.

Abstract: A light-emitting element including a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode is provided. The light-emitting layer includes a fused polycyclic compound having a pentacyclic core that includes three aromatic rings fused by one boron and two nitrogen atoms. A first substituent that excludes hydrogen and deuterium is connected to the pentacyclic core at an ortho-position of the boron.

Abstract: Embodiments provide a fused polycyclic compound, a light emitting element that includes the fused polycyclic compound, and an electronic device that includes the light emitting element. The light emitting element includes a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode and including the fused polycyclic compound represented by Formula 1, which is explained in the specification.

Abstract: An organic electroluminescence device includes a first electrode and a second electrode facing each other, and a plurality of organic layers between the first electrode and the second electrode, wherein at least one of the organic layers includes a fused polycyclic compound represented by Formula 1 below, thereby improving luminous efficiency.

Abstract: An organic electroluminescence device includes a first electrode, a hole transport region provided on the first electrode, an emission layer provided on the hole transport region, an electron transport region provided on the emission layer, and a second electrode provided on the electron transport region. The emission layer includes a nitrogen-containing compound. The nitrogen-containing compound includes a triazine moiety and a carbazole moiety. In the carbazole moiety, at least one position among 2, 3 and 7 is substituted; each of positions 2 and 7 is substituted or unsubstituted with a substituted or unsubstituted phenyl group, or a substituted or unsubstituted carbazole group; and position 3 is substituted or unsubstituted with a substituted or unsubstituted phenyl group.

Abstract: Provided is a light-emitting element including a first electrode, a second electrode provided on the first electrode, and an emission layer provided between the first electrode and the second electrode. The emission layer includes a first compound represented by Formula 1 below and thus the light-emitting element exhibits long-lifespan characteristics.

Abstract: Embodiments provide a fused polycyclic compound, a light emitting element that includes the fused polycyclic compound, and an electronic device that includes the light emitting element. The light emitting element includes a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode and including the fused polycyclic compound.

Abstract: A light emitting element including a first electrode, a second electrode facing the first electrode, and a functional layer provided between the first electrode and the second electrode is provided. The functional layer includes an emission layer that includes a first compound with a core having a plurality of aromatic rings fused through a boron atom and two heteroatoms. The functional layer includes a hole transport region between the first electrode and the emission layer, and an electron transport region between the emission layer and the second electrode. The emission layer may further include a second compound, a third compound, and or a fourth compound.

Abstract: Embodiments provide fused polycyclic compound and a light emitting element that includes the fused polycyclic compound. The light emitting element include a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode and including the fused polycyclic compound.

Abstract: A light emitting device that includes a first electrode, a second electrode provided on the first electrode, and an emission layer provided between the first electrode and the second electrode is provided. The emission layer includes a fused polycyclic compound, and may also include at least one of a second compound, a third compound, or a fourth compound. The fused polycyclic compound includes three aromatic rings fused by boron and nitrogen atoms and also includes substituents with steric properties that may reduce or prevent the negative impact caused by intermolecular interactions and improve the emission efficiency and service life of the light emitting device.

Abstract: Embodiments provide a light emitting element that includes a first electrode, a second electrode facing the first electrode, and an emission layer which is disposed between the first electrode and the second electrode and includes a first compound represented by Formula 1, which is explained in the specification.

Abstract: Embodiments provide a light emitting element that includes a first electrode, a second electrode facing the first electrode, and at least one functional layer disposed between the first electrode and the second electrode. The at least one functional layer includes a first compound represented by Formula 1, and at least one of a second compound represented by Formula HT and a third compound represented by Formula ET, wherein Formulas 1, HT, and ET are each explained in the specification.

Abstract: A light emitting element of an embodiment may include a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode. The emission layer may include a first compound and at least one among second to fourth compounds. The first compound may be represented by Formula 1, the second compound may be represented by Formula HT-1, the third compound may be represented by Formula ET-1, and the fourth compound may be represented by Formula M-b. Accordingly, the light emitting element of an embodiment may show a low driving voltage, high efficiency and long-life characteristics.

Abstract: Embodiments provide a fused polycyclic compound and a light emitting device including the fused polycyclic compound. The light emitting element includes a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode. The emission layer includes a fused polycyclic compound, and at least one of a second compound, a third compound, and a fourth compound. The first compound is represented by Formula 1, the second compound is represented by Formula HT-1, the third compound is represented by Formula ET-1, and the fourth compound is represented by Formula M-b, which are each explained in the specification.

Abstract: Embodiments provide a light emitting device that includes a first electrode, a second electrode facing the first electrode, and at least one functional layer disposed between the first electrode and the second electrode, wherein the at least one functional layer includes a first compound represented by Formula 1, and at least one of a second compound represented by Formula HT or a third compound represented by Formula ET, thereby exhibiting low voltage, high efficiency, and long service life characteristics. Formulas 1, HT, and ET are each explained in the specification.

Abstract: A light emitting device may include a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a first compound represented by Formula 1.

Abstract: Embodiments provide a light emitting element that includes a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode. The emission layer includes a first compound, and at least one of a second compound or a third compound.

Abstract: Embodiments provide a fused polycyclic compound and a light emitting device including the fused polycyclic compound. The light emitting device includes a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes fused polycyclic compound, which is represented by Formula 1 and is explained in the specification.