Abstract: Provided is a binder fiber for an optical fiber unit including a flat sea-island color composite fiber, in which the flat sea-island color composite fiber satisfies the following (1) to (3): (1) a sea component of the flat sea-island color composite fiber has a melting start temperature of 100° C. or higher and a melting peak temperature of 120° C. to 150° C.; (2) the flat sea-island color composite fiber has a width of 0.5 to 3.0 mm and a thickness of 0.15 mm or less; and (3) the flat sea-island color composite fiber has a thermal shrinkage rate of 1.0% or lower after being heated at 100° C. for 3 hours. With the binder fiber, the color developing properties are improved, the shape retaining properties of optical fiber cores are maintained, the optical fiber cores are not compressed, and there is no adhesion with another adjacent binder fiber or the optical fiber cores.

Abstract: An optical fiber cable includes an optical fiber core wire; a pair of tension members extending parallel to each other in an extension direction of the optical fiber core wire, sandwiching the optical fiber core wire; and a rectangular jacket covering the optical fiber core wire and the pair of tension members, and in a cross-section orthogonal to the extension direction, having a major axis in a facing direction of the tension members and a minor axis in a direction orthogonal to the facing direction, wherein each of the tension members is glass fiber reinforced plastic having a diameter in a range of 0.7 mm or more and 1 mm or less, and the jacket has a friction coefficient of 0.3 or less, the major axis of 4 mm or less, and the minor axis of 2.8 mm or less.

Abstract: The method of manufacturing an organic electroluminescence display device includes the steps of: forming an organic compound layer on a first electrode; forming a sacrificial layer soluble in a polar solvent on the organic compound layer; forming an intermediate layer formed of a water-soluble polymer on the sacrificial layer; patterning the sacrificial layer, the intermediate layer, and the organic compound layer; removing the intermediate layer and a layer formed thereon; and removing the sacrificial layer, in which the step of removing the sacrificial layer includes a step of performing a contacting step of bringing the sacrificial layer and the polar solvent into contact with each other a plurality of times.

Abstract: Provided is an organic light-emitting device including a display region provided with an organic light-emitting device provided on a substrate, where the organic light-emitting device includes: a first electrode provided on the substrate; a hole injection layer provided on the first electrode; an organic compound layer including a light-emitting layer, which is provided on the hole injection layer; and a second electrode provided on the organic compound layer, the hole injection layer is a layer including an organic compound having an electron-withdrawing substituent, and the organic compound layer coats an end of the hole injection layer, which is provided outside the display region.

Abstract: Provided is a method of manufacturing an organic electroluminescence display device including: an organic compound layer-forming step of forming an organic compound layer on a first electrode; a release layer-forming step of forming a release layer on the organic compound layer; a first processing step for the release layer of patterning the release layer; an organic compound layer-processing step of removing the organic compound layer in a region not covered with the release layer processed in the first processing step for the release layer; and a second processing step for the release layer of removing a part of the release layer, in which the release layer is a deposited film formed of a charge-transportable organic compound and is dissolved by a solvent containing an organic solvent miscible with water.

Abstract: Provided is a display apparatus using an organic EL device in which blur in a display image to be a problem for the display apparatus is reduced while propagating light propagating through a high-refractive-index transparent layer is efficiently extracted outside. The display apparatus has a configuration in which a high-refractive-index transparent layer is provided on a light exit side of the organic EL device, a light extraction structure is provided on the high-refractive-index transparent layer so as to surround each of subpixels, a visible light absorbing member is arranged between pixels adjacent to each other, and the visible light absorbing member is not arranged in a region between subpixels adjacent to each other within a pixel.

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: The method of manufacturing an organic electroluminescence display device includes the steps of: forming an organic compound layer on a first electrode; forming a sacrificial layer soluble in a polar solvent on the organic compound layer; forming an intermediate layer formed of a water-soluble polymer on the sacrificial layer; patterning the sacrificial layer, the intermediate layer, and the organic compound layer; removing the intermediate layer and a layer formed thereon; and removing the sacrificial layer, in which the step of removing the sacrificial layer includes a step of performing a contacting step of bringing the sacrificial layer and the polar solvent into contact with each other a plurality of times.

Abstract: A method of manufacturing an organic electroluminescent device includes a step of forming a masking layer and an intermediate layer on a first organic compound layer such that the masking layer and the intermediate layer have a predetermined pattern, a step of patterning the first organic compound layer using the masking layer and the intermediate layer, a step of forming a second organic compound layer, and a step of removing the intermediate layer and the second organic compound layer formed thereon in such a manner that the intermediate layer is contacted with a dissolving liquid for dissolving the intermediate layer. In the method, the first and second organic compound layers are protected by covering the first and second organic compound layers with a sacrificial layer until the patterning of the first and second organic compound layers is completed.

Abstract: This optical fiber cable is provided with a covering resin including an outermost layer. The outermost layer is formed by a resin composition including: (a) a base resin prepared by adding at least one copolymer selected from an ethylene-vinyl acetate copolymer and an ethylene-ethyl acrylate copolymer to a high density polyethylene; (b) 25 to 90 parts by weight of a phosphate salt with respect to 100 parts by weight of the base resin; and (c) 0.75 to 15 parts by weight of either a silicone dispersed polyethylene or a silicone grafted polyethylene with respect to 100 parts by weight of the base resin.

Abstract: An optical fiber cable includes an elongated optical element portion having an optical fiber, a pair of tensile strength members and an outer jacket. The optical fiber is composed of one or more plastic coated optical fibers, tight-buffered optical fibers or optical ribbon fibers. The pair of tensile strength members is arranged in parallel at both sides of the optical fiber in a width direction of the optical fiber. The outer jacket covers outer circumferences of the optical fiber and the pair of tensile strength members. A frictional coefficient of the outer jacket is equal to or less than 0.20. Shore D hardness of the outer jacket is equal to or more than 60.

Abstract: Provided is a display apparatus including an organic EL device in which blur in a displayed image to be a problem for the display apparatus is reduced. The display apparatus includes a plurality of subpixels for emitting light having different emission colors in a pixel, and each of the plurality of subpixels includes an organic EL device. A transparent layer having a refractive index higher than that of an organic compound layer of the organic EL device is provided on the organic EL device, and further, a light extraction structure surrounding each of the subpixels is provided on the transparent layer. A distance between the subpixels closest to each other included in two adjacent pixels is set to be at least a sum of waveguide lengths of light emitted from the respective subpixels.

Abstract: Provided is a method of manufacturing an organic electroluminescence display device including: an organic compound layer-forming step of forming an organic compound layer on a first electrode; a release layer-forming step of forming a release layer on the organic compound layer; a first processing step for the release layer of patterning the release layer; an organic compound layer-processing step of removing the organic compound layer in a region not covered with the release layer processed in the first processing step for the release layer; and a second processing step for the release layer of removing a part of the release layer, in which the release layer is a deposited film formed of a charge-transportable organic compound and is dissolved by a solvent containing an organic solvent miscible with water.

Abstract: Provided is a method of manufacturing an organic electroluminescence display device including an organic electroluminescence element, which has element characteristics comparable to those in the case of a vacuum in-situ process, while utilizing a patterning approach based on photolithography. The method of manufacturing an organic electroluminescence display device includes: an organic compound layer-forming step of forming an organic compound layer at least on a first electrode; a release layer-forming step of forming a release layer on the organic compound layer; a release layer-processing step of processing the release layer; and an organic compound layer-processing step of removing the organic compound layer in a region not covered with the release layer processed in the release layer-processing step, and at least the lowermost layer out of the release layer is a deposited film formed of a material soluble in a polar solvent.

Abstract: Each pixel in a display apparatus includes a plurality of sub-pixels configured to emit light with different luminescent colors. Each of the sub-pixels includes an organic EL element. A high-refractive-index transparent layer having a refractive index higher than that of an organic compound layer in the organic EL element is provided on a light emitting side of the organic EL element. A light extraction structure is provided on a light emitting side of the high-refractive-index transparent layer. The light extraction structure is provided on the pixel, and a visible-light absorbing member is provided in an interpixel region.

Abstract: Each pixel in a display apparatus includes a plurality of sub-pixels configured to emit light with different luminescent colors. Each of the sub-pixels includes an organic EL element. A high-refractive-index transparent layer having a refractive index higher than that of an organic compound layer in the organic EL element is provided on a light emitting side of the organic EL element. A light extraction structure is provided on a light emitting side of the high-refractive-index transparent layer. The light extraction structure is provided on the sub-pixels, and is not in an interpixel region.

Abstract: An optical fiber cable includes an elongated optical element portion having an optical fiber, a pair of tensile strength members and an outer jacket. The optical fiber is composed of one or more plastic coated optical fibers, tight-buffered optical fibers or optical ribbon fibers. The pair of tensile strength members is arranged in parallel at both sides of the optical fiber in a width direction of the optical fiber. The outer jacket covers outer circumferences of the optical fiber and the pair of tensile strength members. A frictional coefficient of the outer jacket is equal to or less than 0.20. Shore D hardness of the outer jacket is equal to or more than 60.

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: 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: This optical fiber cable is provided with a covering resin including an outermost layer. The outermost layer is formed by a resin composition including: (a) a base resin prepared by adding at least one copolymer selected from an ethylene-vinyl acetate copolymer and an ethylene-ethyl acrylate copolymer to a high density polyethylene; (b) 25 to 90 parts by weight of a phosphate salt with respect to 100 parts by weight of the base resin; and (c) 0.75 to 15 parts by weight of either a silicone dispersed polyethylene or a silicone grafted polyethylene with respect to 100 parts by weight of the base resin.