Abstract: The present invention relates to an organic light-emitting compound represented by [chemical formula A] or [chemical formula B], which can be used in an organic light-emitting device, and an organic light-emitting device comprising same, wherein [chemical formula A] and [chemical formula B] are the same as described in the detailed description of the invention.

Abstract: The present invention relates to an anthracene derivative compound having a characteristic structure in which an aryl group is introduced into a skeletal structure in which deuterium-substituted phenyl and anthracene are linked. In addition, the present invention relates to a high-efficiency, long-life organic light-emitting device of which the luminous efficiency and lifetime characteristics are significantly improved by employing a polycyclic compound having a characteristic structure as a dopant for a light-emitting layer while employing said compound as a host for the light-emitting layer.

Abstract: The present invention relates to an organic light-emitting device comprising, in a light-emitting layer thereof: a compound represented by [chemical formula A]; and a compound represented by any one of [chemical formula D-6] and [chemical formula D-7], wherein [chemical formula A], [chemical formula D-6], and [chemical formula D-7] are as described in the detailed description of the invention.

Abstract: The present invention relates to an organic light-emitting diode in which a light-emitting layer comprises a compound represented by [chemical formula A] as a host and comprises a compound represented by [chemical formula 3], [chemical formula 4], [chemical formula 3-1] to [chemical formula 4-3] as a dopant, wherein [chemical formula 3], [chemical formula 4], [chemical formula 3-1] to [chemical formula 4-3] are the same as those described in the detailed description of the invention.

Abstract: It is an object of the present invention to provide, as a material for organic EL device having high efficiency and high durability, an organic compound having excellent characteristics such as excellent electron injection/transport performance, hole blocking performance, and high stability in a film state, and an organic EL device having high efficiency and high durability, which is obtained by using this compound. A compound having a pyrimidine ring structure, the compound being represented by the following general formula (1). (In the formula, A1 represents a substituted or unsubstituted aromatic heterocyclic group. Ar1 represents a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a substituted or unsubstituted fused polycyclic aromatic group.

Abstract: The present invention relates to an organic light-emitting device in which a light-emitting layer included in the organic light-emitting device comprises: a compound represented by [chemical formula A]; and a compound represented by any one of [chemical formula D-1] to [chemical formula D-7], wherein [chemical formula A] and [chemical formula D-1] to [chemical formula D-7] are as set forth in the detailed description of the invention.

Abstract: An object of the present invention is to provide, as a material for a highly efficient and highly durable organic EL element, an organic compound that has excellent properties, including excellent electron-injecting/transporting capability, hole-blocking capability, and high stability in the form of a thin film. Another object of the present invention is to provide a highly efficient and highly durable organic EL element by using this compound. The present invention focuses on the properties of the benzazole ring, which has affinity for electrons, and specifically focuses on the capability of its nitrogen atom to coordinate to a metal and also on excellent heat resistance. The inventors have thus designed and chemically synthesized various compounds having a benzazole ring structure, and then experimentally produced organic EL elements including the compounds, followed by thoroughly evaluating the characteristics thereof.

Abstract: The present invention relates to a novel heterocyclic compound which can be used for an organic light-emitting device, and an organic light-emitting device comprising same, wherein [Chemical Formula A] above is as set forth in the detailed description of the invention.

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: An object of the present invention is to provide, as a material for a highly efficient and highly durable organic EL element, an organic compound having excellent properties, including excellent electron-injecting/transporting capability, hole-blocking capability, and high stability in the form of a thin film. Another object of the present invention is to provide a highly efficient and highly durable organic EL element by using this compound. The compound having an azabenzoxazole ring structure of the present invention has excellent heat resistance, and good electron-transporting capability. An organic EL element having an electron-transporting layer, a hole-blocking layer, a light-emitting layer, or an electron-injecting layer including the compound had favorable element characteristics.

Abstract: The present invention relates to a novel heterocyclic compound usable in an organic light-emitting device and to an organic light-emitting device comprising same, wherein [chemical formula A] is as described in the detailed description of the invention.

Abstract: The present invention relates to an organic light-emitting device comprising an organic compound represented by [chemical formula A], and, more particularly, to an organic light-emitting device comprising two emission layers between a first electrode and a second electrode and using the organic compound represented by [chemical formula A] in at least one of the two emission layers, [chemical formula A] being the same as that described in the detailed description of the invention.

Abstract: Disclosed herein is an organic light emitting diode including a novel anthracene compound. More particularly, an organic light emitting diode including an anthracene compound represented by Chemical Formula A; and a compound represented by Chemical Formula B-1 or B-2 is provided. Chemical Formulas A, B-1, and B-2 are as defined in the description.

Abstract: Disclosed are an anthracene derivative with a specific structure and an organic electroluminescent device including the anthracene derivative. The organic electroluminescent device includes a light emitting layer employing the anthracene derivative as a host compound and a polycyclic aromatic derivative with a specific structure as a dopant compound. The use of the host and dopant compounds allows the organic electroluminescent device to have a long lifetime and significantly improved low-voltage characteristics.

Abstract: An object of the present invention is to provide, as a material for a highly efficient and highly durable organic EL element, an organic compound that has excellent properties, including excellent electron-injecting/transporting capability, hole-blocking capability, and high stability in the form of a thin film. Another object of the present invention is to provide a highly efficient and highly durable organic EL element by using this compound. The present invention focuses on the properties of the benzazole ring, which has affinity for electrons, and specifically focuses on the capability of its nitrogen atom to coordinate to a metal and also on excellent heat resistance. The inventors have thus designed and chemically synthesized various compounds having a benzazole ring structure, and then experimentally produced organic EL elements including the compounds, followed by thoroughly evaluating the characteristics thereof.

Abstract: An object of the present invention is to provide, as a material for a highly efficient and highly durable organic EL element, an organic compound having excellent properties, including excellent electron-injecting/transporting capability, hole-blocking capability, and high stability in the form of a thin film. Another object of the present invention is to provide a highly efficient and highly durable organic EL element by using this compound. The present invention provides a compound having a pyrimidine ring structure that is designed and chemically synthesized with the focus on the properties of the pyrimidine ring, which has affinity for electrons, specifically with the focus on the capability of the nitrogen atoms to coordinate to a metal and excellent heat resistance. Various organic EL elements including the compound were experimentally produced, followed by evaluation of the characteristics of those elements. From the results, it was found that the organic EL elements have favorable characteristics.

Abstract: An object of the present invention is to provide, as a material for a highly efficient and highly durable organic EL element, an organic compound having excellent properties, including excellent electron-injecting/transporting capability, hole-blocking capability, and high stability in the form of a thin film. Another object of the present invention is to provide a highly efficient and highly durable organic EL element by using this compound. The compound having an azabenzoxazole ring structure of the present invention has excellent heat resistance, and good electron-transporting capability. An organic EL element having an electron-transporting layer, a hole-blocking layer, a light-emitting layer, or an electron-injecting layer including the compound had favorable element characteristics.

Abstract: The present invention relates to an organic light-emitting diode which can operate at a low voltage and has a long lifespan compound and, more particular, to an organic light-emitting diode, comprising: a first electrode; a second electrode facing the first electrode; and a light-emitting layer and an electron transport layer sequentially arranged between the first and the second electrode, wherein the light-emitting layer contains at least one of the amine compounds represented by following Chemical Formula A or Chemical Formula B, and the electron transport layer contains at least one of the compounds represented by the following Chemical Formula E. The structures of Chemical Formulas A, B, and E are as shown in the specification.

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: According to the present invention, there are provided a pyrimidine derivative represented by a general formula (1) indicated below, and an organic electroluminescent device comprising a pair of electrodes, and at least one organic layer sandwiched therebetween, wherein the pyrimidine derivative is used as a constituent material for the at least one organic layer. The pyrimidine derivative of the present invention is a material for a high efficiency, high durability organic electroluminescent device, is excellent in electron injection/transport performance, has hole blocking capability, and excels in characteristics.