Abstract: A compound of Chemical Formula 1: wherein: Ar1 is a substituted or unsubstituted C6-60 aryl or a substituted or unsubstituted C2-60 heteroaryl containing at least one of N, O, or S as a heteroatom; X is O or S; R1 is hydrogen, deuterium, a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing at least one heteroatom selected from the group consisting of N, O and S; each R2 is independently hydrogen, deuterium, or a substituted or unsubstituted C6-60 aryl; each R3 is independently hydrogen, deuterium, or a substituted or unsubstituted C6-60 aryl; each R4 is independently hydrogen, deuterium, or a substituted or unsubstituted C6-60 aryl; and the other substituents are as defined in the specification, wherein the compound of Chemical Formula 1 is substituted with at least one deuterium; and an organic light emitting device comprising the same.

Abstract: A novel compound of Chemical Formula 1: wherein in the Chemical Formula 1: n is an integer of 1 to 6; X is O or S; L1 and L2 are each independently a single bond, substituted or unsubstituted C6-60 arylene, or substituted or unsubstituted C2-60 heteroarylene containing at least one heteroatom selected from the group consisting of O, S, Si, P and B; Ar1 is cyano, substituted or unsubstituted C6-60 aryl, or substituted or unsubstituted C2-60 heteroaryl containing at least one heteroatom selected from the group consisting of O, S, Si, P and B; and Ar2 and Ar3 are each independently substituted or unsubstituted C6-60 aryl or substituted or unsubstituted C2-60 heteroaryl containing at least one heteroatom selected from the group consisting of O, S, Si, P and B; and an organic light emitting device including the same.

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

Abstract: A novel compound of Chemical Formula 1: wherein: Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl or a substituted or unsubstituted C2-60 heteroaryl containing one or more heteroatoms selected from the group consisting of N, O and S; each Z is independently hydrogen or deuterium; one of X1 and X2 is carbon (C) connected to a substituent of the following Chemical Formula 2, and the other is CH or CD: Y is O or S; and the other substituents are as defined in the specification; and an organic light emitting device including the same. When the compound of Chemical Formula 1 is used as a material in an organic material layer of an organic light-emitting device, the device exhibits excellent characteristics in terms of efficiency and lifetime.

Abstract: An organic light emitting device comprising: an anode; a cathode; and between the anode and the cathode a light emitting layer including a compound of Chemical Formula 1, and a compound of Chemical Formula 2: wherein: X1 is O or S, each X2 is independently N or CH, provided that at least one is N, each Ar1, Ar2 and Ar3 each independently is a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing any one or more of N, O, and S, B is benzene fused with two adjacent rings, and the other substituents are as defined in the specification. When compounds by Chemical Formulae 1 and 2 are used in the light emitting layer, the device has improved driving voltage, efficiency, and lifetime.

Abstract: An organic light emitting device comprising: an anode; a cathode; and a light emitting layer between the anode and cathode, the light emitting layer comprising a compound of Chemical Formula 1, and a compound of Chemical Formula 2: wherein: X1 is O or S; at least one of X2 is N; each Ar1, and Ar2 and Ar3 are independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing any one or more of N, O, and S; at least one of the Ar2 and Ar3 is substituted with at least one deuterium, or at least one of the R3 and R4 is deuterium; and the other substituents are defined in the specification. When light emitting layer includes a compound of Chemical Formulae 1 and 2, the organic light emitting device exhibits improved driving voltage, efficiency and lifetime.

Abstract: Provided is a novel compound of Chemical Formula 1: wherein in Chemical Formula 1: n is an integer of 1 to 6; X is O or S; L1 and L2 are each independently a single bond, substituted or unsubstituted C6-60 arylene, or substituted or unsubstituted C2-60 heteroarylene containing at least one heteroatom selected from the group consisting of O, S, Si, P and B; Ar1 is cyano, substituted or unsubstituted C6-60 aryl, or substituted or unsubstituted C2-60 heteroaryl containing at least one heteroatom selected from the group consisting of O, S, Si, P and B; and Ar2 and Ar3 are each independently substituted or unsubstituted C6-60 aryl, or substituted or unsubstituted C2-60 heteroaryl containing at least one heteroatom selected from the group consisting of O, S, Si, P and B; and an organic light emitting device including the same.

Abstract: A novel compound of Chemical Formula 1 and an organic light emitting device including the same: where Y is O or S: Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing one or more heteroatoms of N, O and S; A and B are each independently a C6-60 aromatic ring or a C2-60 heteroaromatic ring containing one or more heteroatoms of N, O and S which is fused with an adjacent pentagonal ring; D is deuterium; R1 and R2 are each independently deuterium or a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing one or more heteroatoms of N, O and S, provided that at least one of R1 and R2 is deuterium; and the other substituent are as defined in the specification.

Abstract: Provided is a novel compound of Chemical Formula 1: wherein in Chemical Formula 1: n is an integer of 1 to 6; X is O or S; Ar1 is a cyano, a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing at least one heteroatom selected from the group consisting of O, S, Si, P and B; and Ar2 and Ar3 are each independently a substituted or unsubstituted C6-60 aryl or a substituted or unsubstituted C2-60 heteroaryl containing at least one heteroatom selected from the group consisting of O, S, Si, P and B; and an organic light emitting device including the same. When the compound of Chemical Formula 1 is used as a material for an organic material layer of an organic light emitting device, and can improve efficiency, low driving voltage, and/or lifespan of the organic light emitting device.

Abstract: A compound of Chemical Formula 1 and an organic light-emitting device including the same: where X1 is O or S; R3 is a polycyclic heterocyclic group comprising at least one selected from N, O and S, or is a substituted or unsubstituted monocyclic heterocyclic group comprising at least one selected from O and S; Ar is a substituted or unsubstituted aryl group; and the other substituents are as described in the specification. When included in an organic light emitting device, the compound of Chemical Formula 1 can adjust the role of smoothly injecting holes into the light emitting layer, and can balance the movement of holes and electrons in the host, resulting in the device exhibiting lower driving voltage and improved efficiency and stability.

Abstract: The present disclosure provides an organic light emitting device including a first electrode, a second electrode provided to face the first electrode, and an organic material layer including a light emitting layer provided between the first electrode and the second electrode, and the light emitting layer including a compound represented by Formula 1, a compound represented by Formula 2, and a compound represented by Formula 3.

Abstract: An organic light emitting device including a compound of Chemical Formula 1 and a compound of Chemical Formula 2, wherein

Abstract: Provided is a compound of Chemical Formula 1: wherein: D is deuterium; L1 is a direct bond or a substituted or unsubstituted arylene group; Ar1 is a substituted or unsubstituted aryl group; R1 to R9 are the same as or different from each other, and are each independently hydrogen or deuterium; and a1 is an integer from 1 to 8, and an organic light emitting device including the same. Because the compound includes deuterium in the anthracene core, it exhibits improved mobility of electrons and holes, and improved molecular stability, and an organic light emitting device including the compound has excellent driving voltage, efficiency and service life.

Abstract: An organic light emitting device including a first electrode, a second electrode provided opposite to the first electrode, and an organic material layer provided between the first electrode and the second electrode, wherein the organic material layer includes a hole transfer layer and an electron blocking layer, and the hole transfer layer and the electron blocking layer include a compound of Chemical Formula 1, the materials of the hole transfer layer and the electron blocking layer are different from each other, and one or more layers that are not the hole transfer layer and the electron blocking layer of the organic material layer include a compound of Chemical Formula 2.

Abstract: The present specification relates to a compound represented by the following Formula 1 and an organic light emitting device including the same. The compound is used as a material for an organic material layer of the organic light emitting device.

Abstract: The present specification provides an organic light emitting device including a light emitting layer including a compound represented by Chemical Formula 1; and a compound represented by Chemical Formula H.

Abstract: Provided is an organic light emitting device comprising: a first electrode; a second electrode; one or more organic material layers including a light emitting layer provided between the first electrode and the second electrode, wherein the light emitting layer includes a compound of Chemical Formula 1 and a compound of Chemical Formula 2:

Abstract: A compound of Chemical Formula 1, and an organic light emitting device including the same, the compound used as a material of an organic material layer of the organic light emitting device and providing high color purity and enhanced lifetime properties.

Abstract: The present specification provides an organic light emitting device including a light emitting layer.

Abstract: An organic light emitting device including a light emitting layer, which comprises one or more of compounds represented by Formulae 1-1 to 1-3, and a compound represented by Formula 2.