Abstract: The present disclosure relates to an organic metal compound having the following structure of Formula 1, an organic light emitting diode (OLED) and an organic light emitting device that includes the organic metal compound. The OLED and the organic light emitting device including the organic metal compound can improve their luminous efficiency, luminous color purity and lifespan.

Abstract: An organometallic compound, represented by Formula 1: wherein, M1 is a transition metal, Ln1 is a ligand represented by Formula 1A, Ln2 is a ligand represented by Formula 1B, n1 is 0, 1, or 2, and n2 is 1, 2, or 3, wherein * and *? each indicate a binding site to M1, and CY1, CY2, R1, R2, R10, R20, X1, X2, Y1 to Y8, L1, Ar1, b10, b20, a1, and k1 are each as described herein.

Abstract: The present invention provides a nitrogen-containing fused heterocyclic compound and applications thereof. When the nitrogen-containing fused heterocyclic compound of the present invention is used as a host material of an emitting layer of an organic light-emitting element, the organic light-emitting element has a lower driving voltage (3.8 V to 4.1 V), a higher current efficiency (15 Cd/A to 23 Cd/A or higher) and a longer service life (273 h or higher).

Abstract: A light-emitting element includes: an anode; a cathode; and a light-emitting layer between the anode and the cathode, wherein the light-emitting layer contains quantum dots and ligands, the ligands are a polymer including at least two repeating units, and each repeating unit includes, at an end of at least one side chain thereof, a modified functional group coordinated to any one of the quantum dots.

Abstract: The present application relates to an electronic device comprising a xanthene or thioxanthene compound of a particular formula. The electronic device is preferably an organic electroluminescent device (OLED). The application further relates to particular xanthene or thioxanthene compounds as such, and to the use thereof in the abovementioned devices, and to processes for preparation thereof.

Abstract: The present disclosure relates to an organic compound of Formula 1, and an organic light emitting diode including the organic compound and an organic light emitting display device including the organic compound. The organic light emitting diode comprises a first electrode, a second electrode facing the first electrode, and a first emitting material layer positioned between the first and second electrodes, where the first emitting material layer includes the organic compound. The organic light emitting display device comprises a substrate, the above organic light emitting diode over the substrate, and an encapsulation film covering the organic light emitting diode.

Abstract: A light-emitting device with high emission efficiency and low driving voltage is provided. A light-emitting apparatus, an electronic device, and a lighting device with low power consumption are provided. The following organic compound is provided: the organic compound has an arylamine structure; and when the organic compound is deposited to be a film, the ordinary refractive index of the deposited film with respect to light with a wavelength of 458 nm is greater than or equal to 1.50 and less than or equal to 1.75, the birefringence ?n of the deposited film with respect to light with a wavelength of 458 nm is greater than or equal to 0 and less than or equal to 0.008, or the alignment order parameter of the deposited film with respect to light with a wavelength corresponding to the longest wavelength where an absorption peak appears in the absorption spectrum is greater than or equal to ?0.07 and less than or equal to 0.00.

Abstract: Embodiments of the present invention provide an organic light emitting diode and an organic light emitting display device including the organic compound. The organic compound is capable of reducing a driving voltage of an organic light emitting diode and improves a current efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the same.

Abstract: The present disclosure provides an organic electronic material containing a nitrogen heterocycle and a preparation method and use thereof, and relates to the technical field of organic electroluminescence. Nitrogen-containing heterocycles such as pyridine, triazine or pyrimidine are introduced into a main structure of phenanthrene, such that the electronegativity of the material is enhanced, and the electron transport performance and the thermal stability of a compound are improved. The organic electron transport material provided by the present disclosure has a relatively good thermal stability, a high luminous efficiency and a high luminous purity. An organic light-emitting device prepared from the organic electronic material has effects of reducing a driving voltage, improving a luminous efficiency, enabling color purity to be excellent and prolonging a service life.

Abstract: The present specification relates to an organic light emitting device including an anode, a first organic material layer including a compound of Chemical Formula 1, a second organic material layer including a compound of Chemical Formula 2, a light emitting layer and a cathode: wherein all the variables are described herein.

Abstract: The present application relates to an electronic device comprising a xanthene or thioxanthene compound of a particular formula. The electronic device is preferably an organic electroluminescent device (OLED). The application further relates to particular xanthene or thioxanthene compounds as such, and to the use thereof in the abovementioned devices, and to processes for preparation thereof.

Abstract: Provided is an OLED having an anode, a cathode and an organic emissive layer disposed between the anode and the cathode.

Abstract: The present invention relates to an organic light emitting compound that is employed for a light efficiency improving layer provided in an organic light emitting device. The organic light emitting device employing the same achieves low-voltage driving of a further improved device and excellent luminous efficiency through improved light extraction efficiency, and thus can be usefully used in various display devices.

Abstract: A compound for an organic optoelectronic element, a composition for an organic optoelectronic element, the composition including the compound, an organic optoelectronic device including the compound or the composition for an organic optoelectronic device, and a display device including the organic optoelectronic device, the compound being represented by a combination of Chemical Formula 1, Chemical Formula 2, and Chemical Formula 3.

Abstract: Provided is an organic light-emitting element comprising: a first electrode; a second electrode provided to face the first electrode; and an organic material layer provided between the first electrode and the second electrode, in which the organic material layer comprises a layer comprising a compound of Formula 1: wherein: L1 is a direct bond, or a substituted or unsubstituted arylene or heteroarylene group; Ar1 is a substituted or unsubstituted aryl or heteroaryl group; R1 to R12 are each independently hydrogen, a nitrile group, a halogen, or a substituted or unsubstituted alkyl, silyl, aryl or heteroaryl group, or adjacent groups bond together to form a ring; and any two adjacent R1 to R4 bond together to form a substituted or unsubstituted aromatic ring, and a layer comprising a compound of Formula 2: wherein: Ar2 to Ar4 are each independently a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, or -L2-Z.

Abstract: Disclosed herein is an organic light-emitting diode, comprising: a first electrode, a second electrode opposite the first electrode, and a light-emitting layer and an electron-density-controlling layer in that order between the first electrode and the second electrode, wherein the electron-density-controlling layer includes at least one selected from among compounds represented by Chemical Formulas A to D, and the light-emitting layer includes at least one anthracene compound represented by Chemical Formula H. The electron-density-controlling layer may be disposed between the light-emitting layer and an electron transport layer.

Abstract: The present disclosure relates to an organic electroluminescent device. The organic electroluminescent device of the present disclosure can provide a low driving voltage and excellent luminous efficiency by comprising a specific combination of a host compound and a hole transport material.

Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. The organic electroluminescent compound of the present disclosure may be comprised in a light-emitting layer, and is effective for producing an organic electroluminescent device having high luminescent efficiency and/or excellent lifespan characteristic.

Abstract: The invention relates to Organic light emitting diode comprising at least one emission layer, an electron injection layer and at least one cathode electrode, wherein: the electron injection layer comprises an organic phosphine compound, wherein the electron injection layer is free of a metal, metal salt, metal complex and metal organic compound; the cathode electrode comprises at least a first cathode electrode layer, wherein the first cathode electrode layer comprises a first zero-valent metal selected from the group comprising alkali metal, alkaline earth metal, rare earth metal and/or a group 3 transition metal; and the electron injection layer is arranged in direct contact to the first cathode electrode layer.

Abstract: An organic compound represented by formula [1], where in formula [1], R1 to R8 are each independently selected from the group consisting of a hydrogen atom, a halogen atom, an alkyl group, and other substituents, and X1 is oxygen, sulfur, selenium, tellurium, or a CR9R10 group, in which R9 and R10 are each independently selected from the group consisting of a hydrogen atom, a halogen atom, an alkyl group, and other substituents, and at least one of R1 to R8 is a group represented by formula [2].