Abstract: The present invention provides an organic electroluminescence device using a novel phosphorescent metal complex compound and having high efficiency, high luminance, and high durability. The organic electroluminescence device includes a pair of electrodes including an anode and a cathode, and one or more organic layers each containing an organic compound, the one or more organic layers being interposed between the pair of electrodes, wherein at least one of the one or more organic layers contain a phosphorescent metal complex compound having at least one ligand structure represented by the following general formula (1): where at least one of X, Y and Z represents an aromatic oligomer having 13 or more carbon atoms and bonded directly or via a linking group.

Abstract: Provided is an organic EL display apparatus including an organic EL device having a delayed fluorescence material which has good internal quantum efficiency and an organic EL device having a phosphorescent material. A soaking unit is provided in a plane in which the organic EL devices are provided.

Abstract: Provided is an organic light-emitting device which has an optical output with high emission efficiency and high luminance and which includes a pair of electrodes, and at least one layer including an organic compound and interposed between the electrodes, wherein the at least one layer including the organic compound includes an oligofluorene compound represented by the following general formula. At least a light-emitting layer of the at least one layer including the organic compound includes the oligofluorene compound and a light-emitting compound selected from a fluorescent compound and a phosphorescent compound. A weight ratio (B/A) of the light-emitting compound (B) selected from the fluorescent compound and the phosphorescent compound to the oligofluorene compound (A) is 1/100 or more and 100/100 or less.

Abstract: Provided is an organic light-emitting device having a high emission efficiency and a long lifetime. The organic light-emitting device (10) includes an anode (2), a cathode (6), and a stack body including at least a light-emitting layer (4) and interposed between the anode (2) and the cathode (6), in which the light-emitting layer (4) includes an oligomer material and a polymer material.

Abstract: An organic light-emitting device adapted for coating and having good emission efficiency and luminance. The organic light-emitting device employs an anode, a cathode, and a layer including an organic compound sandwiched between the anode and cathode. The layer containing the organic compound includes a bisfluorene compound represented by General Formula [1] below. wherein in Formula [1], A is a substituted or unsubstituted alkylene group, a substituted or unsubstituted cycloalkylene group, a substituted silylene group, a substituted germylene group, an oxygen atom, and a sulfur atom.

Abstract: An organic electroluminescent display apparatus having organic electroluminescent devices each of which is excellent in color reproducibility and has high emission efficiency in which green organic electroluminescent devices each have a delayed fluorescent material and a microcavity, and the hole transport layer of each of the devices has the same thickness as that of the hole transport layer of each of blue organic electroluminescent devices.

Abstract: Provided is an organic EL display apparatus including an organic EL device having a delayed fluorescence material which has good internal quantum efficiency and an organic EL device having a phosphorescent material. A soaking unit is provided in a plane in which the organic EL devices are provided.

Abstract: Provided is an organic EL display apparatus which can be driven at a low voltage and in which a red-light-emitting device uses a phosphorescent material, a green-light-emitting device uses a delayed fluorescent material, and the same material is used in the hole transport layers of the respective devices.

Abstract: A high-efficiency, white organic electroluminescent device has such a structure that its emission layer is obtained by laminating sub-emission layers of red, green, and blue, respectively. The green sub-emission layer contacting a hole transport layer has a delayed fluorescent material, and the red sub-emission layer has a phosphorescent light emitting material.

Abstract: An organic light-emitting device adapted for coating and having good emission efficiency and luminance. The organic light-emitting device employs an anode, a cathode, and a layer including an organic compound sandwiched between the anode and cathode. The layer containing the organic compound includes a bisfluorene compound represented by General Formula [1] below. wherein in Formula [1], A is a substituted or unsubstituted alkylene group, a substituted or unsubstituted cycloalkylene group, a substituted silylene group, a substituted germylene group, an oxygen atom, and a sulfur atom.

Abstract: There is provided an organic light emitting device including: an anode, a cathode, and layer containing an organic compound, the layer being interposed between the anode and the cathode, in which the layer containing an organic compound contains at least one kind of the oligofluorene compound represented by the following general formula (I): wherein: R1 and R2 each represent an alkyl group, and may be identical to or different from each other, and R1's and R2's by which different fluorene rings are substituted may be identical to or different from each other, provided that at least four substituents of all substituents each represented by R1 or R2 are each an alkyl group having 4 or more carbon atoms, and at least four substituents of all the substituents are each an alkyl group having 1 or 2 carbon atoms; and n represents an integer of 4 to 10.

Abstract: An optical fiber cable that sustains reduced increase in transmission loss and optical fiber breakage when subject to external pressure exerted thereon, comprises an aggregate of elements including central buffer filaments disposed in the center part of the optical fiber cable and a plurality of optical fibers disposed around the central buffer filaments, as well as circumferential strength filaments disposed around the outer periphery of the aggregate of elements, and a sheath covering the circumferential strength filaments.

Abstract: The present invention provides an organic electroluminescence device using a novel phosphorescent metal complex compound and having high efficiency, high luminance, and high durability. The organic electroluminescence device includes a pair of electrodes including an anode and a cathode, and one or more organic layers each containing an organic compound, the one or more organic layers being interposed between the pair of electrodes, wherein at least one of the one or more organic layers contain a phosphorescent metal complex compound having at least one ligand structure represented by the following general formula (1): where at least one of X, Y and Z represents an aromatic oligomer having 13 or more carbon atoms and bonded directly or via a linking group.

Abstract: Provided is an organic light-emitting device which has an optical output with high emission efficiency and high luminance and which includes a pair of electrodes, and at least one layer including an organic compound and interposed between the electrodes, wherein the at least one layer including the organic compound includes an oligofluorene compound represented by the following general formula. At least a light-emitting layer of the at least one layer including the organic compound includes the oligofluorene compound and a light-emitting compound selected from a fluorescent compound and a phosphorescent compound. A weight ratio (B/A) of the light-emitting compound (B) selected from the fluorescent compound and the phosphorescent compound to the oligofluorene compound (A) is 1/100 or more and 100/100 or less.

Abstract: A novel fluorene compound is provided which has at least one fluorene group represented by the following general formula [III] or [IV]:

Abstract: A cable wherein even when there is a substantial volume of cable identifying information for identifying the cable, all of that cable identifying information can be simply and speedily written-in. This cable has a cable core, an integrated member with a chain of RFIDs including a plurality of RFID elements arranged at suitable intervals along a longitudinal direction of the cable core, to and from which cable identifying information can be written-in and read-out by transmission of electromagnetic energy, and a transmission coaxial cable for collectively writing-in cable identifying information to all of the RFID elements.

Abstract: An optical fiber cable including a slotted core (3) having a suitable number of slots (7) and identification members (25) disposed in a designated slot (7B) of the slots (7) for identifying cable information.

Abstract: An optical fiber cable that sustains reduced increase in transmission loss and optical fiber breakage when subject to external pressure exerted thereon, comprises an aggregate of elements including central buffer filaments disposed in the center part of the optical fiber cable and a plurality of optical fibers disposed around the central buffer filaments, as well as circumferential strength filaments disposed around the outer periphery of the aggregate of elements, and a sheath covering the circumferential strength filaments.

Abstract: A cable wherein even when there is a substantial volume of cable identifying information for identifying the cable, all of that cable identifying information can be simply and speedily written-in. This cable has a cable core, an integrated member with a chain of RFIDs including a plurality of RFID elements arranged at suitable intervals along a longitudinal direction of the cable core, to and from which cable identifying information can be written-in and read-out by transmission of electromagnetic energy, and a transmission coaxial cable for collectively writing-in cable identifying information to all of the RFID elements.

Abstract: An optical fiber cable including a slotted core (3) having a suitable number of slots (7) and identification members (25) disposed in a designated slot (7B) of the slots (7) for identifying cable information.