Abstract: An organic light-emitting device includes an emission layer including a first compound represented by Formula 1, a second compound, and a third compound. The first compound may be an organometallic compound that acts as a phosphorescent dopant, and the second and third compounds may form an exciplex.

Abstract: An object is to provide a light-emitting element with high emission efficiency. The light-emitting element contains first to third organic compounds. The first organic compound has a function of converting triplet excitation energy into light. The second organic compound has a benzofuropyrimidine skeleton or a benzothienopyrimidine skeleton. The third organic compound is a fluorescent compound. Light emitted from the light-emitting element is light emitted from the third organic compound that receives excitation energy from the first organic compound or from an exciplex formed by the first and second organic compounds.

Abstract: A light emitting device and a displaying device. The light emitting device includes a luminescent layer, wherein the luminescent layer includes a thermally activated delayed-fluorescence material; the thermally activated delayed-fluorescence material includes a donor group, a receptor group and a linking group; the donor group and the receptor group bond to the linking group; and a torsion angle between a plane where the donor group is located and a plane where the linking group is located is ?1, and a torsion angle between a plane where the receptor group is located and the plane where the linking group is located is ?2; wherein ?1 and ?2 enable an energy-level difference between a singlet-state energy level of the thermally activated delayed-fluorescence material and a triplet-state energy level of the thermally activated delayed-fluorescence material to be less than a constant quantity T, wherein 0 eV<T<0.3 eV.

Abstract: A display device includes: a substrate; an organic light-emitting diode positioned above the substrate; and a thin film encapsulation layer disposed on the organic light-emitting diode. The thin film encapsulation layer includes: at least one inorganic layer; and at least one organic layer disposed on the at least one inorganic layer. The at least one organic layer has a refractive index of about 1.66 or greater.

Abstract: A novel organic compound is provided. The organic compound is represented by General Formulae (G1), (u1), and (g1), where Ar represents a substituted or unsubstituted condensed aromatic ring, one of R1 and R2 represents a group represented by General Formula (u1), and any one of R30 to R40 represents a bond. In addition, A is a group represented by General Formula (g1), and B represents a substituted or unsubstituted phenyl group. Moreover, n is an integer of 0 to 2, and Q1 and Q2 independently represent an oxygen atom or a sulfur atom.

Abstract: A compound including a benzimidazole ring structure, represented by general formula (1). (In formula (1), X1 and X2 may be the same or different and each represent a specific carbon atom or a nitrogen atom, Ar represents a specific group, R1 and R2 may be the same or different and each represent a specific group, and m is an integer of 0-4.

Abstract: The present disclosure relates to a boron compound useful in an organic light-emitting diode and an organic light-emitting diode comprising same and, more particularly, to a boron compound represented by [Chemical Formula A] or [Chemical Formula B], wherein [Chemical Formula A] and [Chemical Formula B] are as defined in the description.

Abstract: An organic electroluminescence device includes: a first electrode; a second electrode facing the first electrode; and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one organic layer of the plurality of organic layers includes a first compound represented by Formula 1, a second compound represented by Formula 2, and a third compound represented by Formula 3, wherein Formulae 1-3 are defined herein.

Abstract: An organic light-emitting device and an electronic apparatus incorporating the same. The organic light-emitting device includes an anode, a cathode, and an organic layer between the anode and the cathode and comprising an emission region. The emission region includes a first emission layer, a second emission layer, and a first exciton quenching layer. The first emission layer comprises a first host and a first dopant, the second emission layer comprises a second host and a second dopant, and the first exciton quenching layer is disposed between the first emission layer and the second emission layer and comprises a first quenching material.

Abstract: The present disclosure provides an oxygen heterocyclic compound, an application thereof, and an electronic device using the same. The oxygen heterocyclic compound has a structural formula as represented by following formula 1: The oxygen heterocyclic compound comprises an aromatic amine portion and an oxygen heterocyclic portion. The aromatic amine portion effectively promotes the hole injection and transport performance. The oxygen heterocyclic portion is conducive to the formation of molten evaporation materials.

Abstract: A light emitting diode of an embodiment includes a first electrode, a second electrode, and at least one functional layer disposed between the first electrode and the second electrode and including an amine compound represented by Formula 1, thereby showing high emission efficiency properties and improved life characteristics.

Abstract: Provided is an organic light emitting device including a first electrode; a second electrode opposite to the first electrode; and a first organic material layer and a second organic material layer provided between the first electrode and the second electrode, wherein the first organic material layer includes a compound of Chemical Formula 1: wherein: at least one of Xa to Xc is N, and the rest are CR; and Ar2 to Ar4 are each independently a substituted or unsubstituted aryl or heterocyclic group, and the second organic material layer includes a compound of wherein: HAr is a substituted or unsubstituted heterocyclic group including at least one or more Ns; L1 and L2 are each independently a direct bond or a substituted or unsubstituted arylene or divalent heterocyclic group; and Ar1 is a direct bond, —O—, or a substituted or unsubstituted arylene or divalent heterocyclic group.

Abstract: The present invention relates to an electronic device comprising between a first electrode and a second electrode at least one first semiconducting layer comprising (i) at least one first hole transport matrix compound consisting of covalently bound atoms and (ii) at least one electrical p-dopant selected from metal borate complexes, wherein the metal borate complex consists of at least one metal cation and at least one anionic ligand consisting of at least six covalently bound atoms which comprises at least one boron atom, wherein the first semiconducting layer is a hole injection layer, a hole-injecting part of a charge generating layer or a hole transport layer, a method for preparing the same and a respective metal borate compound.

Abstract: Provided is an organic light-emitting device including: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the emission layer may include a host and a dopant, the host may include a first compound and a second compound different from the first compound, the dopant may include a third compound and a fourth compound different from the third compound, and the third compound may be a platinum-containing organometallic compound.

Abstract: The compound represented by formula (1): wherein A, B, R1, and R2 are as defined in the description, provides organic electroluminescence (EL) devices having a high emission efficiency when operated at low voltage and a long lifetime and electronic devices including such organic EL devices.

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

Abstract: It is an object of the present invention to provide a high molecular weight compound that has excellent hole injection and transport performance, is capable of blocking electrons, and is highly stable as a thin film. It is another object of the present invention to provide an organic EL element that includes an organic layer (thin film) made of the above-described high molecular weight compound, wherein the organic EL element has high light emission efficiency and a long lifespan. The high molecular weight compound according to the present invention includes a repeating unit represented by a general formula (3), that is constituted by a specific triarylamine structural unit and a specific bonding structural unit, and has a weight average molecular weight of 10,000 or more and less than 1,000,000 on a polystyrene basis.

Abstract: An organic light emitting device having a first organic material layer that includes a compound of Chemical Formula 1 and the second organic material layer that includes a compound of Chemical Formula 2,

Abstract: The present invention relates to certain fluorenes, to the use of the compounds in an electronic device, and to an electronic device comprising at least one of these compounds. The present invention furthermore relates to a process for the preparation of the compounds and to a formulation and composition comprising one or more of the compounds.

Abstract: A hybrid LED-OLED lighting device includes a waveguide layer, a light-emitting diode (LED) array optically coupled to the waveguide layer, and an organic light-emitting diode (OLED) array. Light emitted from the LED array is provided to an edge of the waveguide layer and light emitted from the OLED array is provided to a first surface of the waveguide layer. Light emitted from the LED array and light emitted from the OLED array passes through a second surface of the waveguide layer opposite the first surface of the waveguide layer, and light emitted from the lighting device comprises the light emitted from the LED array and the light emitted from the OLED array.