Abstract: An organic light emitting device comprising a light emitting layer including a compound of Chemical Formula 1, and a first organic material layer including a compound of Chemical Formula 2.

Abstract: Provided is a compound of Formula 1: and an organic light emitting device including the same.

Abstract: Provided is an organic light-emitting device including an anode, a cathode, a light-emitting layer including a compound of Formula 1 between the anode and cathode, and a first organic material layer including a compound of Chemical Formula 2 between the light-emitting layer and the cathode: wherein: X1 is O or S; Cy2 is one selected from among a substituted or unsubstituted aromatic hydrocarbon ring and a substituted or unsubstituted aliphatic hydrocarbon ring, or is a fused ring of two or more rings selected from this group; and Cy3 and Cy4 are each independently one selected from among a substituted or unsubstituted: aromatic hydrocarbon ring, aliphatic hydrocarbon ring, and aromatic heteroring, or each independently is a fused ring of two or more rings selected from this group; wherein: X11 to X13 are N or CR?, and at least one of X11 to X13 is N.

Abstract: Provided is a compound of Chemical Formula 1: wherein: X1 is O or A1 is an aromatic hydrocarbon ring or a hetero ring; at least one of A2 and A3 is a hetero ring comprising S or O, and the other is an aromatic hydrocarbon ring, and when each of A2 and A3 are a hetero ring comprising S or O, A2 and A3 are the same as or different from each other; A4 and A5 are each independently an alkyl group, a cycloalkyl group, an aryl group, or a heterocyclic group; and adjacent two or more of A1 to A5 are optionally bonded to each other to form a substituted or unsubstituted ring, and an organic light emitting device including the same.

Abstract: Provided is a heterocyclic compound of Chemical Formula 1: wherein: R1, R3 and R4 are each independently a hydrogen, deuterium, halogen group, nitrile group, or substituted or unsubstituted: silyl, boron, alkyl, alkenyl, alkynyl, alkoxy, aryloxy, cycloalkyl, aralkyl, aryl, or amine group, or a heteroring, or adjacent groups bond to each other to form a substituted or unsubstituted ring; Cy is one of a substituted or unsubstituted: aliphatic hydrocarbon ring, aromatic ring, and heteroring, or a substituted or unsubstituted ring having two or more thereof fused therein; and ring B is a substituted or unsubstituted aliphatic hydrocarbon ring; xa is 0 or 1, when 0 Xa is a direct bond, and when 1 Xa is CRR?; R and R? are each independently hydrogen or a substituted or unsubstituted alkyl group; a and c are independently 0 to 3; and d is 0 to 5, and an organic light-emitting device comprising same.

Abstract: Provided is a heterocyclic compound of Chemical Formula 1: a is a substituted or unsubstituted tetracyclic or higher aromatic or heteroaromatic ring, and b is a benzene or naphthalene ring; at least two of G1 to G3 are a group of Chemical Formula A, and any remaining group, and G101, is hydrogen, deuterium, halogen, cyano, nitro, or a substituted or unsubstituted: silyl, boron, alkyl, alkoxy, cycloalkyl, aryl, or heteroaryl group; L1 and L2 are a direct bond, or a substituted or unsubstituted arylene or heteroarylene group; Ar1 and Ar2 are hydrogen, deuterium, halogen, cyano, nitro, or a substituted or unsubstituted: silyl, boron, alkyl, alkoxy, cycloalkyl, aryl, or a heteroaryl group, or a fused ring group of an aromatic hydrocarbon ring and aliphatic hydrocarbon ring, or bond to each other to form a substituted or unsubstituted heteroring; and an organic light emitting device including the same.

Abstract: Provided is an organic light emitting device including a positive electrode, a negative electrode, and an organic material layer provided between the positive electrode and the negative electrode, wherein the organic material layer comprises a hole transport material having a HOMO absolute value of 4.30 eV to 4.60 eV, and a reversibility value (Ir/If) of 0.83 or higher within an oxidation range at a scan rate of 100 mV/s, or the organic material layer comprises an electron blocking material having a reversibility value (Ir/If) of more than 0.5 within an oxidation range at a scan rate of 100 mV/s, or the organic material layer comprises an electron transport material having a LUMO absolute value of 2.60 eV to 2.90 eV, and a reversibility value (Ir/If) larger than [4.96?1.535×(the LUMO absolute value)] within a reduction range at a scan rate of 100 mV/s.

Abstract: Provided is a compound of Formula 1: wherein: Y is NR, CRxRy, O, or S; R, Rx, Ry, A1 and A2 are each independently hydrogen, deuterium, or a substituted or unsubstituted: alkyl, cycloalkyl, aryl, silyl, heteroaryl, alkoxy, aryloxy, aralkyl, alkenyl, or alkynyl group, or are bonded to an adjacent group to form a substituted or unsubstituted ring; R1 to R3 are each independently hydrogen, deuterium, or a substituted or unsubstituted: alkyl, cycloalkyl, aryl, silyl, heteroaryl, alkoxy, aryloxy, aralkyl, amine, alkenyl, or alkynyl group, or are bonded to an adjacent group to form a substituted or unsubstituted ring; R3 is optionally bonded to Y to form a substituted or unsubstituted ring, a and b are each an integer from 0 to 3; and c is an integer from 0 to 4, and an organic light emitting device including the same.

Abstract: The present specification provides a compound of Chemical Formula 1, and an organic light emitting device including the same.

Abstract: A compound of Formula 1 and an organic light emitting device including the same, the compound used as a material for an organic material layer of the organic light emitting device, and providing high efficiency and low voltage characteristics of the organic light emitting device.

Abstract: A compound of Formula 1 and an organic light emitting device including the same.

Abstract: A compound represented by Formula 1 and an organic light emitting device including the same, and the compound providing lower driving voltage, improved light efficiency, and improved service life characteristics of the organic light emitting device.

Abstract: A compound represented by Chemical Formula 1, and an organic light emitting device comprising the same, the compound used in an organic material layer of the organic light emitting device, and providing low driving voltage and high efficiency properties of the organic light emitting device.

Abstract: The present specification relates to a heterocyclic compound of Chemical Formula 1, and an organic light emitting device including the same. The heterocyclic compound as a material of an organic material layer of the organic light emitting device provides enhanced efficiency, low driving voltage and enhanced lifetime properties.

Abstract: A compound of Chemical Formula 1, and an organic light emitting device including the same.

Abstract: Provided is a compound of Chemical Formula 1: wherein, in Chemical Formula 1: X1 to X3 are each independently N or CH, provided that at least one of X1 to X3 is N; X4 to X6 are each independently N or CH, provided that at least one of X4 to X6 is N; Ar1 to Ar4 are each independently a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing any one or more selected from the group consisting of N, O, and S; L1 to L3 are each independently a single bond, a substituted or unsubstituted C6-60 arylene, or a substituted or unsubstituted C2-60 heteroarylene containing any one or more selected from the group consisting of N, O, and S; and n is 1 or 2, and an organic light emitting device including the same.

Abstract: Provided is a compound of Formula 1: wherein: Cy1 and Cy2 are each independently an aromatic hydrocarbon ring or aromatic hetero ring that is substituted or unsubstituted; R1 to R9 are each independently hydrogen, deuterium, a halogen group, a cyano group, a nitro group, or a substituted or unsubstituted: silyl, alkyl, alkoxy, cycloalkyl, aryl, amine, or heterocyclic group; m1 is 0 to 3, and m2 and m3 are each 0 to 5; when m1 to m3 are each 2 or more, the substituents in the parenthesis are the same or different and Z1 to Z4 are each independently CH or N, and n1 and n2 are each 0 to 2, and when Z1 to Z4 are each CH, n1+n2 is 2 to 4, and when one or more of Z1 to Z4 are N, n1+n2 is 1 to 4, and an organic light emitting device including the same.

Abstract: Provided is a compound of Formula 1: wherein: Cy1 and Cy2 are each independently a substituted or unsubstituted hetero ring; R1 to R5 are the same as or different from each other, and are each independently hydrogen, deuterium, a halogen group, a cyano group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amino group, a silyl group, a boron group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group: n1 and n2 are each an integer from 0 to 4: n3 to n5 are each an integer from 0 to 3; and when n1 to n5 are each 2 or more, two or more substituents in the parenthesis are the same as or different from each other, and an organic light emitting device including the same.

Abstract: Provided is an organic light emitting device comprising an anode; a cathode; and a light emitting layer provided between the anode and the cathode, wherein the light emitting layer comprises a first host material comprising a compound of Chemical Formula A: a second host material including a compound of Chemical Formula B: and a dopant material comprising a compound of Chemical Formula C or D:

Abstract: The present specification relates to a heterocyclic compound of Chemical Formula 1, and an organic light emitting device including the same. The heterocyclic compound as a material of an organic material layer of the organic light emitting device provides enhanced efficiency, low driving voltage and enhanced lifetime properties.