Abstract: An organic light emitting device including: an anode; a cathode; and an organic material layer having one or more layers provided between the anode and the cathode, in which one or more layers of the organic material layer include a compound of Chemical Formula 1 and a compound of Chemical Formula 2: where the substituents are as defined in the specification.

Abstract: A compound of Chemical Formula 1: wherein X1 is O or S; any one of R1 to R6 is a moiety bonded to L1 of the following Chemical Formula A at **: Ar1 is the following Chemical Formula B: where X2 is O or S, and the other substituents are as described in the specification; and an organic light-emitting device including the same. When the compound of Chemical Formula 1 is included in an organic light-emitting device, the device exhibits lower driving voltage, improved light efficiency, and improved service life characteristics.

Abstract: A heterocyclic compound represented by Chemical Formula 1 and an organic light emitting device including the same, and the heterocyclic compound which is used as a material of an organic material layer of the organic light emitting device and provides improved efficiency, low driving voltage and improved lifetime characteristics of the organic light emitting device.

Abstract: A compound of Chemical Formula 1 and an organic light emitting device including the same: wherein at least one of X1 to X3 is N, and the others are CR13; Y1 is O or S; L1 is a direct bond or a substituted or unsubstituted monocyclic arylene group; R1 to R5, R11 to R13, G1 to G8 and Q1 to Q16 are the same as or different from each other, and are each independently hydrogen or deuterium, and the other substituents are as defined in the specification. When the compound is included in an organic light emitting device, the device exhibits excellent characteristics in terms of efficiency, driving voltage, and stability.

Abstract: A compound of Chemical Formula 1: wherein X1 is O or S; any one of R1 to R5 is a moiety bonded to L1 of the following Chemical Formula A at **: Ar1 is a substituted or unsubstituted aryl group, Chemical Formula 1 comprises at least one deuterium, and the other substituents are as defined in the specification; and an organic light-emitting device including the same. When a compound of Chemical Formula 1 is included in an organic light emitting device, the device exhibits lower driving voltage, improved light efficiency, and improved service life characteristics.

Abstract: An organic light emitting device including a first electrode; a second electrode provided to face the first electrode; and an organic material layer having one, two or more layers provided between the first electrode and the second electrode, wherein the organic material layer includes a first organic material layer including a compound of Chemical Formula 1 and a second organic material layer including a compound of Chemical Formula 2.

Abstract: Provided is an organic electroluminescent device, the organic electroluminescent device comprising a cathode, an anode, and one or more organic material layers provided between the cathode and the anode, the one or more organic material layers comprising a light emitting layer, an electron transport region and a hole transport region, wherein all of the organic materials, other than a dopant, contained in the one or more organic material layers have a triplet state energy of 2.5 eV or higher, at least three types of the organic materials having a triplet state energy of 2.5 eV or higher have a triplet state energy of 2.7 eV or higher, and at least two types of the organic materials having a triplet state energy of 2.5 eV or higher include a spiro compound.

Abstract: The present specification provides a heterocyclic compound 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: The present specification relates to a hetero-cyclic compound represented by the following Chemical Formula 1, and an organic light emitting device including the same. Such hetero-cyclic compound used as a material for an organic material layer of an organic light emitting device improves efficiency, achieves low driving voltage, and/or improves service life characteristics. [Chemical Formula 1] wherein R1 to R5, r3 to r5, L1, and Ar1 are defined therein.

Abstract: An organic light emitting device comprising an anode, a hole transport layer, a light emitting layer including a host and a dopant, and a cathode, where a difference between a dipole moment value of a compound included in the hole transport layer and a dipole moment value of the host is 1.0 to 2.0, and the organic light emitting device having low driving voltage, high emission efficiency and long lifetime characteristics.

Abstract: The present disclosure provides a compound represented by the following Chemical Formula 1, and an organic light emitting device including the same. The compound is used as a material of an organic material layer of the organic light emitting device.

Abstract: Provided is a compound of Chemical Formula 1: wherein X is O or S; L1 and L2 each independently is a direct bond or a substituted or unsubstituted arylene group; X1 is N or CR1, X2 is N or CR2, X3 is N or CR3, and at least two of X1 to X3 are N; R1 to R3 each independently is hydrogen, deuterium, or a substituted or unsubstituted alkyl, aryl or heteroaryl group; Ar1 and Ar2 each independently is hydrogen, deuterium, or a substituted or unsubstituted alkyl, aryl or heteroaryl group; positions at which ?is substituted with ?are asymmetric; m1, m2, n1 and n2 each independently is 0 or 1; and m1+m2 is 1, and n1+n2 is 1, and an organic light emitting device comprising the same.

Abstract: The present specification relates to an organic light emitting device.

Abstract: The present specification relates to a hetero-cyclic compound and an organic light emitting device comprising the same.

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 X1 is N or CRa, X2 is N or CRb, X3 is N or CRc, and one or more of X1 to X3 are N; Ar1 and Ar2 each independently is a substituted or unsubstituted alkyl, aryl group, or heteroaryl group; Ar3 is a substituted or unsubstituted aryl or heteroaryl group; L is a substituted or unsubstituted arylene group; R1 and R2 each independently is hydrogen, deuterium, or a substituted or unsubstituted alkyl or aryl group, or bond to each other to form a ring; R3 and Ra to Rc each independently is a hydrogen, deuterium, halogen, nitrile, nitro, hydroxyl, or a substituted or unsubstituted group selected from among a silyl, boron, alkyl, cycloalkyl, alkoxy, aryloxy, alkylthioxy, arylthioxy, alkylsulfoxy, arylsulfoxy, alkenyl, aralkyl, aralkenyl, alkylaryl, arylphosphine, phosphine oxide, aryl, or a heteroaryl group, or bond to adjacent groups to form a ring; a3 is 1 to 6; and n is 1 to 5, and an organic light emitting device comprising the same.

Abstract: Provided is a compound of Chemical Formula 1: wherein: L is a single bond, a substituted or unsubstituted C6-60 arylene, or a substituted or unsubstituted C2-60 heteroarylene containing at least one selected from the group consisting of N, O and S, and Ar is a substituted or unsubstituted C2-60 heteroaryl containing at least one selected from the group consisting of N, O and S, and to an organic light emitting device comprising the same.

Abstract: The present application relates to a compound of Chemical 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 between the anode and the cathode and including a compound of Chemical Formula 2: a first organic material layer between the anode and the light-emitting layer and including a compound of Chemical Formula 1: and a second organic material layer between the light-emitting layer and the cathode and including a compound of Chemical Formula 3: wherein: Ar101, Ar102 and R101 to R108 are each independently hydrogen, deuterium, or a substituted or unsubstituted alkyl or aryl group; Ar1 and Ar2 are each independently hydrogen, deuterium, a halogen, a cyano, or a substituted or unsubstituted silyl, alkyl, cycloalkyl, or aryl group; R201 to R204 are each independently hydrogen, deuterium, a halogen, a cyano, or a substituted or unsubstituted alkyl, cycloalkyl, aryl group, or heterocyclic group; and Z is O or S.