Abstract: A compound and an organic optoelectronic device are provided. The compound has the chemical formula (I): wherein: X1 to X5 are independently selected from C and N, when N is selected, a substituent may not be included; R1 to R9 are independently selected nom hydrogen, deuterium, C1 to C30 alkyl, C1 to C30 heteroatom-substituted alkyl, C6 to C30 aryl, C2 to C30 heteroaryl, and a chemical group A represented by the following chemical formula (II): and at least one of R1 to R9 is selected from the chemical group A. In the chemical formula (II), R10 to R17 are independently selected from hydrogen, deuterium, C1 to C30 alkyl, C1 to C30 heteroatom-substituted alkyl, C6 to C30 aryl, and C2 to C30 heteroaryl, and Y is selected from O, S, substituted or unsubstituted imino, substituted or unsubstituted methylene, and substituted or unsubstituted silylene.

Abstract: Provided is a metal complex which is excellent in quantum yield and full width at half maximum of a light emission spectrum. The metal complex is represented by the following formula (1): wherein M represents an iridium atom or the like, n1 represents 1 to 3, n2 represents 0 to 2, X1 to X8 represent a carbon atom or the like, R1 to R8 represent a hydrogen atom or the like, one of Xa and Xb is a single bond, and the other is a group represented by —CR11R12—CR13R14—, R11 to R14 represent an alkyl group or the like, ring A represents a heteroaromatic ring, and A1-G1-A2 represents an anionic bidentate ligand.

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

Abstract: Provided are an organic electronic element comprising a compound capable of improving luminous efficiency, stability and lifetime of an organic electronic device, in an emitting auxiliary layer or electron blocking layer formed between an emitting layer and a hole transport layer of the element, and an electronic device comprising the same.

Abstract: A condensed cyclic compound represented by Formula 1: wherein, in Formula 1, A1, X1, X2, R1 to R4, and a1 to a4 are described in the specification.

Abstract: An organic light emitting diode device includes a first electrode, a second electrode, an organic emission layer, an electron transport layer and a buffer layer. The second electrode is opposite to the first electrode. The organic emission layer is located between the first and second electrodes. The electron transport layer is located between the organic emission layer and the second electrode. The buffer layer is located between the organic emission layer and the electron transport layer, and is made of at least one material selected from a pyrene compound represented by the following Chemical Formula 1, an anthracene compound represented by the following Chemical Formula 2 and a combination thereof: Here, the definitions of R1, R2 and A are as described in the specification.

Abstract: A high light emission efficiency can be achieved by the use of a compound represented by the general formula (1) as a host material or a light-emitting material of a light-emitting layer of an organic light-emitting device. X1 to X12 each independently represent C or BH constituting carborane, provided that among X1 to X12, the bonding positions to A and D each represent C, and the other thereof each represent BH; A represents an acceptor bonded to the carborane through an aromatic ring or a heteroaromatic ring; and D represents a donor bonded to the carborane through an aromatic ring or a heteroaromatic ring.

Abstract: The present invention discloses a delayed fluorescence compound and the organic electroluminescent device employing the delayed fluorescence compound as the delayed fluorescence dopant material, the delayed fluorescence host material, or the phosphorescent host material in the light emitting layer, and/or used in the hole blocking layer and/or the electron transporting layer of the organic EL device, which thereby displays good performance.

Abstract: In an organic compound, two groups each including a benzonaphthofuranylamine skeleton are bonded to a central skeleton including a fluorene skeleton. The organic compound emits favorable blue light. Furthermore, the organic compound has a high hole-transport property.

Abstract: The embodiments of the present invention provide an organic light emitting diode device, display panel and display device. The existing top emitting series OLED device is improved with a structure of homojunctions; the functional layer of the top emitting series OLED device is also improved. The functional layer comprises a hole injection layer, a hole transport layer, a plurality of light emitting layers, an electron transport layer and an electron injection layer sequentially arranged from the anode. A charge generation layer A and a charge generation layer B are arranged between two directly adjacent light emitting layers. A homojunction is applied in each light emitting unit of the top emitting series OLED device, reducing the types of organic materials and the carrier injection barrier, improving the injection of carriers and the efficiency of the device. The driving voltage of the device is thus reduced.

Abstract: Provided is an organic electroluminescent element containing an anode, a cathode, and an organic functional layer containing one or a plurality of light-emitting layers, the organic functional layer being interposed between the anode and the cathode, wherein at least one of the light-emitting layers contains a compound having two condensed aromatic rings bonded to each other with a linking group; and the condensed aromatic rings form a ?-? stacking structure in the molecule.

Abstract: An organic light-emitting diode including a condensed cyclic compound represented by Formula 1 and a condensed cyclic compound represented by Formula 2: wherein Ar1, L, X, R1 to R18, and A are defined as in the specification. An organic layer including the condensed cyclic compounds may emit blue light of high color purity, high efficiency, and long lifetime.

Abstract: An organic electroluminescence device including: an anode; a cathode; two or more emitting units that are disposed between the anode and the cathode, each unit having an emitting layer; and a charge-generating layer that is disposed between the emitting units, wherein the charge-generating layer comprises an N layer nearer to the anode and a P layer nearer to the cathode, and the P layer comprises a compound represented by the following formula (I).

Abstract: Provided are a compound of Formula 1 and an organic electric element including a first electrode, a second electrode, and an organic material layer between the first electrode and the second electrode and comprising the compound, the element showing improved luminescence efficiency, stability, and life span.

Abstract: An anthracene derivative represented by Formula 1 is disclosed. An organic light-emitting device including an anode, a cathode, and an organic layer between the anode and the cathode, where the organic layer includes at least one anthracene derivative represented by Formula 1, is also disclosed. A method of manufacturing the organic light-emitting device is also disclosed.

Abstract: A novel polycyclic aromatic compound in which plural aromatic rings are linked via boron atoms, oxygen atoms and the like is provided, and therefore, the range of selection of the material for organic electroluminescent elements can be widened. Also, an excellent organic electroluminescent element is provided by using the novel polycyclic aromatic compound as a material for an organic electroluminescent element.

Abstract: A composition formed of a mixture of a first compound and a second compound wherein the first compound has a different chemical structure than the second compound. The first compound and the second compound are both organic compounds. At least one of the first compound and the second compound contains at least one less abundant stable isotope atom. The first compound has an evaporation temperature T1 and the second compound has an evaporation temperature T2 where both T1 and T2 are between 100 to 400 ° C. and the absolute value of T1-T2 is less than 20 ° C. The first compound has a concentration C1 in said mixture and a concentration C2 in a film formed by evaporating said mixture in a high vacuum deposition tool with a chamber base pressure between 1×10?6 Torr to 1×10?9 Torr, at a 2?/sec deposition rate on a surface positioned at a predefined distance away from the mixture being evaporated; and wherein absolute value of (C1-C2)/C1 is less than 5%.

Abstract: Provided are an organic EL device material capable of reducing the driving voltage of an organic EL device and increasing the lifetime of the device as compared with a conventional organic EL device material, specifically an aromatic amine derivative represented by N(Ara)(Arb)(Arc), and an organic EL device using the material. [Ara is represented by the formula (II). (In the formula (II): La represents a single bond or an arylene group; R1 to R4 each represent an alkyl group, an aryl group, or the like, and R3's or R4's, or R3 and R4 may be bonded to each other to form a ring; and o represents 0 to 3 and p represents 0 to 4.) Arb is represented by the formula (III).

Abstract: A bicarbazole compound represented by Formula 1: [Ar1]n1-(L1)a1-[Ar2]n2??Formula 1 wherein in Formula 1, a1, Ar1, Ar2, L1, n1, and n2 are the same as described in the specification.

Abstract: An organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer including a light emitting layer, disposed between the electrodes, in which at least one kind of compound represented by the following general formula is contained in any layer of the at least one organic layer, is an organic electroluminescent element, in which the generation of dark spots during driving is inhibited: wherein Q, Ar, L, and n are as defined in the application.