Abstract: The present invention relates to a polyester elastomer resin composition comprising: a thermoplastic polyester elastomer (A); a thickening agent (B); and a urea compound scavenger (C), wherein the thermoplastic polyester elastomer (A) is composed of a hard segment and a soft segment that are linked to each other; the hard segment being composed of a crystalline polyester formed from an aromatic dicarboxylic acid and an aliphatic and/or alicyclic diol, the soft segment being at least one member selected from aliphatic polyethers, aliphatic polyesters, or aliphatic polycarbonates; the urea compound scavenger (C) has an amine value of 50 eq/t or more; the thickening agent (B) is present in an amount of 0 to 5 parts by mass, and the urea compound scavenger (C) is present in an amount of 0.1 to 10 parts by mass, per 100 parts by mass of the thermoplastic polyester elastomer (A).

Abstract: An endotoxin adsorbent comprising a crystalline cellulose having a nitrogen atom-containing cationic group can sufficiently remove endotoxin from a material containing endotoxin to be removed and containing a substance having a cationic group and can efficiently remove endotoxin also from a highly viscous material. The nitrogen atom-containing cationic group may be typically a functional group derived from a polyvalent amine and/or a quaternary ammonium salt. The crystalline cellulose having a nitrogen atom-containing cationic group may comprise the nitrogen atom-containing cationic group at a content of 0.05 to 3 meq/dry·g in terms of anion exchange capacity.

Abstract: A method of manufacturing a light emitting element includes, sequentially (a) forming a first light reflecting layer having a convex shape; (b) forming a layered structure body by layering a first compound semiconductor layer, an active layer, and a second compound semiconductor layer; (c) forming, on the second surface of the second compound semiconductor layer, a second electrode and a second light reflecting layer formed from a multilayer film; (d) fixing the second light reflecting layer to a support substrate; (e) removing the substrate for manufacturing a light emitting element, and exposing the first surface of the first compound semiconductor layer and the first light reflecting layer; (f) etching the first surface of the first compound semiconductor layer; and (g) forming a first electrode on at least the etched first surface of the first compound semiconductor layer.

Abstract: A polyester elastomer resin composition that provides improved mold fouling in a continuous use for a long-term, and prevents the lowering in physical properties of polyester elatomer which causes by contacting with grease in environments exceeding 140° C. The polyester elastomer resin composition contains a thermoplastic polyester elastomer (A) prepared by bonding a hard segment and a soft segment an alicyclic polycarbodiimide compound and/or an aliphatic polycarbodiimide compound (B); and a polyamide resin (C) having an amine value of 50 to 2000 eq/tin such a ratio that (B) is in 0.1 to 5 part(s) by mass and (C) is in 0.1 to 10 part(s) by mass to 100 parts by mass of (A). The polyester elastomer resin composition has an acid value which is more than 5 eq/t and not more than 20 eq/t.

Abstract: The present invention relates to a polyester elastomer resin composition comprising: a thermoplastic polyester elastomer (A); a thickening agent (B); and a urea compound scavenger (C), wherein the thermoplastic polyester elastomer (A) is composed of a hard segment and a soft segment that are linked to each other; the hard segment being composed of a crystalline polyester formed from an aromatic dicarboxylic acid and an aliphatic and/or alicyclic diol, the soft segment being at least one member selected from aliphatic polyethers, aliphatic polyesters, or aliphatic polycarbonates; the urea compound scavenger (C) has an amine value of 50 eq/t or more; the thickening agent (B) is present in an amount of 0 to 5 parts by mass, and the urea compound scavenger (C) is present in an amount of 0.1 to 10 parts by mass, per 100 parts by mass of the thermoplastic polyester elastomer (A).

Abstract: Means for removing endotoxin is provided. Endotoxin is removed by contacting an endotoxin adsorbent including a cellulose nanofiber having an amino group with a liquid containing endotoxin.

Abstract: A polyester elastomer resin composition having excellent anti-noise properties and wear resistance that achieves sustained wear resistance over a long period of time; enables lubricants to bleed out even in a low-temperature environment, so that the effects of the lubricants are maintained; and further prevents the lubricants from being dissolved in water, even when a molded article is washed with water.

Abstract: The invention aims to provide small-sized and highly-reliable light converter and light source unit, as well as a projector each of which makes it possible to cool down heat generated in a fluorescent body in a motorless manner. A light converter of the disclosure includes a fluorescent body that is excited by excitation light; a first light-collecting lens that has a lens surface to which the fluorescent body is bonded, and causes the excitation light to enter the fluorescent body; and a heat-dissipating member to which the lens surface is adhered at least around a region to which the fluorescent body is bonded.

Abstract: A light source unit according to an embodiment of the present disclosure includes: a light source section; and a wavelength conversion element that is excited by exciting light from the light source section to emit fluorescent light. The wavelength conversion element includes a substrate that is rotatable around a rotation axis, a phosphor layer including a plurality of phosphor particles, and a quantum-dot layer including a plurality of quantum dots. The phosphor layer and the quantum-dot layer are disposed in this order relative to the light source section.

Abstract: A light source unit includes a light source section and a fluorescent structure. The fluorescent structure includes a fluorescent part where light from the light source section enters. The fluorescent part includes a transparent grain in addition to a plurality of phosphors.

Abstract: A light-emitting device of an embodiment of the present disclosure includes a first base, a second base that is disposed to face the first base, and a phosphor layer that is provided to be filled with a plurality of phosphor particles between the first base and the second base.

Abstract: The present invention relates to a polyester elastomer resin composition containing: (A) a thermoplastic polyester elastomer; (B) a di- or higher functional epoxy compound; (C) an organic carboxylic acid alkali metal salt having 3 to 40 carbon atoms; (D) an inorganic crystal nucleating agent; and (E) a urea compound scavenger having an amine value of 50 eq/t or more, wherein per 100 parts by mass of component (A), component (B) is present in an amount of 0.1 to 5 parts by mass, component (D) is present in an amount of 0 to 3 parts by mass, and component (E) is present in an amount of 0.1 to 5 parts by mass; component (C), on an alkali metal basis, is present in an amount of 50 to 2000 ppm in the polyester elastomer resin composition on a mass basis.

Abstract: A wireless power feeding system includes a power transmission device and a power reception device. A power transmission circuit in the power transmission device switches high-frequency power supplied to a power transmission coil. When a reset IC in the power reception device detects switching of high-frequency power by the power transmission circuit, the power reception device changes an input impedance seen from the power transmission circuit to the side where a load circuit is disposed on the basis of the content of a signal to be transmitted to the power transmission device. The power transmission device detects the change in the input impedance and obtains the content of the signal.

Abstract: A method of manufacturing a light emitting element includes, sequentially (a) forming a first light reflecting layer having a convex shape; (b) forming a layered structure body by layering a first compound semiconductor layer, an active layer, and a second compound semiconductor layer; (c) forming, on the second surface of the second compound semiconductor layer, a second electrode and a second light reflecting layer formed from a multilayer film; (d) fixing the second light reflecting layer to a support substrate; (e) removing the substrate for manufacturing a light emitting element, and exposing the first surface of the first compound semiconductor layer and the first light reflecting layer; (f) etching the first surface of the first compound semiconductor layer; and (g) forming a first electrode on at least the etched first surface of the first compound semiconductor layer.

Abstract: A fluorescent substrate according to one embodiment of the present disclosure includes: a substrate that is in a rotatable manner; a fluorescent layer disposed in a center of the substrate; and a fixing layer that fixes a portion of a surface on side on which the fluorescent layer is located of the substrate and a portion of a surface on side on which the substrate is located of the fluorescent layer to each other. Thus, in a case where warpage occurs in the substrate due to a stress caused by thermal expansion arising in each of the fluorescent layer and the substrate, it is possible to reduce an amount of displacement of the fluorescent layer.

Abstract: A method of manufacturing a light emitting element includes, sequentially (a) forming a first light reflecting layer having a convex shape; (b) forming a layered structure body by layering a first compound semiconductor layer, an active layer, and a second compound semiconductor layer; (c) forming, on the second surface of the second compound semiconductor layer, a second electrode and a second light reflecting layer formed from a multilayer film; (d) fixing the second light reflecting layer to a support substrate; (e) removing the substrate for manufacturing a light emitting element, and exposing the first surface of the first compound semiconductor layer and the first light reflecting layer; (f) etching the first surface of the first compound semiconductor layer; and (g) forming a first electrode on at least the etched first surface of the first compound semiconductor layer.

Abstract: An object of the present invention is to improve the efficiency of heat dissipation from a phosphor wheel while suppressing the air resistance and noise of the phosphor wheel during the driving of a light source apparatus. A phosphor wheel according to the present invention includes a disc-like substrate, a phosphor layer formed on the substrate, and a plurality of heat dissipation fins overlapping with each other when viewed in a direction orthogonal to a surface of the substrate.

Abstract: An endotoxin adsorbent comprising a crystalline cellulose having a nitrogen atom-containing cationic group can sufficiently remove endotoxin from a material containing endotoxin to be removed and containing a substance having a cationic group and can efficiently remove endotoxin also from a highly viscous material. The nitrogen atom-containing cationic group may be typically a functional group derived from a polyvalent amine and/or a quaternary ammonium salt. The crystalline cellulose having a nitrogen atom-containing cationic group may comprise the nitrogen atom-containing cationic group at a content of 0.05 to 3 meq/dry·g in terms of anion exchange capacity.

Abstract: The present invention aims to improve mold fouling in a continuous use for a long-term, and to prevent lowering in physical properties of polyester elatomer which causes by contacting with grease in environments exceeding 140° C. A polyester elastomer resin composition which contains; a thermoplastic polyester elastomer (A) prepared by bonding a hard segment and a soft segment, wherein the hard segment comprises a polyester constituted from an aromatic dicarboxylic acid and an aliphatic and/or alicyclic diol(s) as constituting ingredients, and wherein the soft segment is at least one member selected from a group consisting of an aliphatic polyether, an aliphatic polyester and an aliphatic polycarbonate; an alicyclic polycarbodiimide compound and/or an aliphatic polycarbodiimide compound (B); and a polyamide resin (C) having an amine value of 50 to 2000 eq/t in such a ratio that (B) is in 0.1 to 5 part(s) by mass and (C) is in 0.

Abstract: The invention aims to provide small-sized and highly-reliable light converter and light source unit, as well as a projector each of which makes it possible to cool down heat generated in a fluorescent body in a motorless manner. A light converter of the disclosure includes a fluorescent body that is excited by excitation light; a first light-collecting lens that has a lens surface to which the fluorescent body is bonded, and causes the excitation light to enter the fluorescent body; and a heat-dissipating member to which the lens surface is adhered at least around a region to which the fluorescent body is bonded.