Abstract: Provided is a heterocyclic compound of Chemical Formula 1: wherein: Y1 is O or S; Ar1 is a substituted C6-60 aryl; or a substituted or unsubstituted C1-60 heteroaryl containing one or more heteroatoms selected from among O, N, Si, and S; L is a single bond; a substituted or unsubstituted C6-60 arylene; or a substituted or unsubstituted C1-60 heteroarylene containing one or more heteroatoms selected from among O, N, Si, and S; R1 to R3 are each independently hydrogen; deuterium; a halogen; cyano; nitro; amino; a substituted or unsubstituted C1-60 alkyl; a substituted or unsubstituted C1-60 haloalkyl; or a substituted or unsubstituted: C1-60 alkoxy, C1-60 haloalkoxy, C3-60 cycloalkyl, C2-60 alkenyl, C6-60 aryl, C6-60 aryloxy, or C1-60 heteroaryl containing one or more heteroatoms selected from among N, O, and S, and n1 to n3 are each independently 1 to 5, and an organic light emitting device including the same.

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

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

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

Abstract: Provided is a compound of chemical formula wherein: Y is O or S; X1 to X3 are each N or CH, and one or more of X1 to X3 is N; and Ar1 to Ar4 are the same as or different from each other, and each independently is an aryl group having 6 to 20 carbon atoms that is unsubstituted or substituted with nitrile or a heteroaryl group having 2 to 20 carbon atoms; or a tricyclic heteroaryl group having 2 to 20 carbon atoms that is unsubstituted or substituted with an aryl group having 6 to 20 carbon atoms, and an organic light emitting device including the same.

Abstract: The present specification relates to a compound and an organic electronic device including the same.

Abstract: Provided is a heterocyclic compound of Chemical Formula 1: wherein: X1 to X3 are each independently is N or CH; at least two of X1 to X3 are N; Y is O or S; R1 to R6 each independently is hydrogen, deuterium, a halogen group, a nitrile group, or a substituted or unsubstituted: alkyl, silyl, aryl or heteroaryl group; Ar1 and Ar2 each independently is a substituted or unsubstituted aryl or heteroaryl group; L1 and L2 each independently is a direct bond, or a substituted or unsubstituted arylene or heteroarylene group; Z is a nitrile group, a halogen group, or a substituted or unsubstituted: alkyl, silyl, aryl or heteroaryl group; n is an integer of 0 to 2; and a and b are an integer of 0 to 5, and an organic light-emitting device including the same.

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

Abstract: An organic light emitting device having improved driving voltage, efficiency and lifetime, the organic light emitting device having an anode, a cathode, and a light emitting layer disposed between the anode and the cathode, wherein the light emitting layer includes a compound of the following Chemical Formula 1, and a compound of the following Chemical Formula 2:

Abstract: Provided is a compound of Chemical Formula 1: wherein: Y is O or S; X1 to X3 are each N or CH, and one or more of X1 to X3 is N; and Ar1 to Ar4 are the same as or different from each other, and each independently is an aryl group having 6 to 20 carbon atoms that is unsubstituted or substituted with nitrile or a heteroaryl group having 2 to 20 carbon atoms; or a tricyclic heteroaryl group having 2 to 20 carbon atoms that is unsubstituted or substituted with an aryl group having 6 to 20 carbon atoms, and an organic light emitting device including the same.

Abstract: The present invention relates to a novel heterocyclic compound and an organic light emitting device comprising the same.

Abstract: The present specification provides a heterocyclic compound and an organic light emitting device comprising the same.

Abstract: The present invention provides an organic light emitting device comprising at least one light emitting layer which comprises a first host compound and a second host compound, and the organic light emitting device has improved driving voltage, efficiency and lifetime.

Abstract: The present application relates to a compound and an organic light emitting device comprising the same.

Abstract: Provided is a compound of Chemical Formula 1: wherein: each X is independently N or CH, with the proviso that at least one X is N; Y is O or S; L1 and L2 are each independently a single bond, a substituted or unsubstituted C6-60 arylene, or a substituted or unsubstituted C2-60 heteroarylene containing at least one heteroatom selected from the group consisting of N, O, and S; Ar1 and Ar2 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 N, O, and S; and Ar3 is 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; and to an organic light emitting device including the same.

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

Abstract: Provided is an organic light emitting device, comprising: an anode; a cathode disposed opposite to the anode; and one or more organic material layers disposed between the anode and cathode, the organic material layer including a light emitting layer that includes a compound of Chemical Formula 1 and a compound Chemical Formula 2: wherein: one of R21, R22, R23, and R24 is -L21-Ar1, and the remaining are hydrogen; and one of R31, R32, R33, and R34 is -L22-Ar2, and the remaining are hydrogen; excluding compounds where: R21 is -L21-Ar1 and R31 is -L22-Ar2, R22 is -L21-Ar1 and R32 is -L22-Ar2, R23 is -L21-Ar1 and R33 is -L22-Ar2, or R24 is -L21-Ar1 and R34 is -L22Ar2; L21 and L22 each is a single bond, or a substituted or unsubstituted C6-60 arylene; X2 is O or S; and Ar1 is Chemical Formula 3:

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

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

Abstract: A server for managing data, according to various embodiments, may comprise: communication circuitry for receiving a data request from at least one electronic device; a cache for storing a plurality of update data according to an update time; and a processor for, when the data request is received from the electronic device, searching the cache for update data for a first period starting from a previous data request time to the time of receiving the data request, and transmitting at least one updated data of the first period to the electronic device.