Abstract: An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the emission layer includes a polycyclic compound containing one electron donor and one electron acceptor, and the electron donor includes an azaborine group and the electron acceptor includes any one of a cyano group, a carbonyl group, a boron group, a sulfonyl group, a sulfinyl group, a phosphine oxide group, a nitrogen-containing five-membered ring, or a nitrogen-containing six-membered monocyclic ring.

Abstract: An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the emission layer includes a polycyclic compound represented by Formula 1: wherein in Formula 1, at least one selected from Ring A and Ring B is a substituted or unsubstituted heteroaryl group having 2 to 30 carbon atoms for forming a ring.

Abstract: Provided are a monoamine compound and a light emitting element including the same.

Abstract: An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the emission layer includes a polycyclic compound represented by Formula 1: wherein in Formula 1, at least one selected from Ring A and Ring B is a substituted or unsubstituted heteroaryl group having 2 to 30 carbon atoms for forming a ring.

Abstract: Provided are a light emitting element and an amine compound for a light emitting element, and the light emitting element of an embodiment includes a first electrode, a second electrode on the first electrode, and at least one functional layer between the first electrode and the second electrode, wherein an amine compound represented by a set chemical formula is included in the functional layer, thereby improving the emission efficiency and element lifetime of the light emitting element.

Abstract: An organic electroluminescence device includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a compound represented by Formula 1 below.

Abstract: Provided is a light emitting device including a first electrode, a second electrode, and at least one functional layer disposed between the first electrode and the second electrode, and the at least one functional layer may include an amine compound represented by Formula E, thereby exhibiting high luminous efficiency and improved service life characteristics.

Abstract: Provided are a monoamine compound and an organic electroluminescence device including the same.

Abstract: A nitrogen-containing compound is represented by the following Formula 1 where B1 to B4 are each independently N or CR1, A1 is an electron accepting group, L1 and R1 are further defined, and D is an electron donating group represented by the following Formula 2 X is Si or Ge and Y1, Y2, R2, R3, n and m are further defined. An organic electroluminescence device includes the nitrogen-containing compound.

Abstract: An organic electroluminescence device having high luminous efficiency includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the emission layer includes a polycyclic compound represented by Formula 1.

Abstract: A luminescence device, includes: 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 hole transport region includes a compound of Formula 1: wherein in the Formula 1, the variables are described herein.

Abstract: Provided is a light emitting element including a first electrode, a second electrode disposed on the first electrode, and at least one functional layer disposed between the first electrode and the second electrode. The at least one functional layer may include a nitrogen-containing compound represented by Formula 1 below, and the nitrogen-containing compound may improve efficiency and a service life of the light emitting element. Therefore, the light emitting element including the nitrogen-containing compound may exhibit excellent efficiency and long service life characteristics.

Abstract: A heterocyclic compound and an organic electroluminescence device including the same, the heterocyclic compound being represented by Formula 1 below:

Abstract: A polycyclic compound and an organic electroluminescence device including the same, the polycyclic compound being represented by Formula 1:

Abstract: An organic electroluminescence device and a polycyclic compound used for the organic electroluminescence device are provided. The polycyclic compound according to an embodiment of the inventive concept is represented by Formula 1. In Formula 1, Y is B, P?O, or P?S, and X is SiR3R4, or GeR5R6. At least one of R1 or R2 is NAr2Ar3.

Abstract: Provided are an amine compound and an organic electroluminescence device including the same.

Abstract: Provided are a monoamine compound and an organic electroluminescence device including the same.

Abstract: An organic electroluminescence device according to an embodiment of the present disclosure includes a first electrode, a second electrode facing the first electrode, and a plurality of organic layers between the first electrode and the second electrode, wherein at least one organic layer of the plurality of organic layers includes a polycyclic compound containing two aromatic 6-membered rings which are linked by a single bond, and a plurality of benzimidazole groups which are substituted at the two aromatic 6-membered rings, wherein each of the two aromatic 6-membered rings includes a carbon atom or a nitrogen atom as an atom for forming a ring.

Abstract: Provided are a monoamine compound and an organic electroluminescence device including the same.

Abstract: An organic electroluminescence device includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a compound represented by Formula 1 below.