Abstract: An organic electroluminescence device includes two or more emitting units, where a first emitting unit includes a first emitting zone and a second emitting unit includes a second emitting zone, a high refractive index zone (HN1) and a low refractive index zone (LN1) are disposed between the first and second emitting zones, a total film thickness of one or more high refractive index layers included in the high refractive index zone (HN1) is 20 nm or more, the high refractive index zone (HN1) includes a first high refractive index layer, the low refractive index zone (LN1) includes a first low refractive index layer, the first low refractive index layer contains a first organic material having a refractive index NM1, the first high refractive index layer contains a second organic material having a refractive index NM2, and a relationship of Numerical Formula N1 is satisfied, NM2>NM1 (Numerical Formula N1).

Abstract: Provided is a polycarbonate-polyorganosiloxane copolymer, including a polyorganosiloxane block (A-1) including a specific structural unit and a polycarbonate block (A-2) formed of a specific repeating unit.

Abstract: A polyalkylene glycol-based compound of formula (1): may be one in which R1 is a monovalent hydrocarbon group having 1 to 32 carbon atoms, a monovalent aromatic hydrocarbon group having 6 to 42 ring carbon atoms, a monovalent acyl group having 2 to 32 carbon atoms, or a monovalent oxygen-containing hydrocarbon group having 2 to 32 carbon atoms; R2 is a monovalent hydrocarbon group having 1 to 32 carbon atoms, a monovalent aromatic hydrocarbon group having 6 to 42 ring carbon atoms, a monovalent acyl group having 2 to 32 carbon atoms, a monovalent oxygen-containing hydrocarbon group having 2 to 32 carbon atoms, or a hydrogen atom; R3 is a divalent hydrocarbon group having 4 carbon atoms; R4 is a divalent hydrocarbon group having 2 or 3 carbon atoms; m and n are respectively numbers between 1 and 40 and 0 and 20; and m/(m+n)?0.5.

Abstract: A compound represented by a formula (I) below. In the formula (1), CN is a cyano group, D12 is a group represented by a formula (IA), and R101 to R104 are each independently a group represented by the formula (IA), a group having a partial structure represented by each of formulae (a-1) to (a-7), a group having a partial structure represented by each of formulae (b-1) to (b-6), a hydrogen atom, a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms, or the like.

Abstract: An organic electroluminescence device includes an anode, a cathode, and an emitting layer, in which the emitting layer contains a delayed fluorescent compound M2 represented by a formula (1), and the compound M2 has at least one deuterium atom in a molecule. In the formula (1), CN is a cyano group, D11 and D12 are each independently a group represented by a formula (11), (12) or (13), at least one D11 is a group represented by the formula (12) or (13), and R is a hydrogen atom, an aryl group, etc.

Abstract: Provided are: a modified sulfide solid electrolyte containing a sulfide solid electrolyte having a BET specific surface area of 10 m2/g or more and containing a lithium atom, a sulfur atom, a phosphorus atom, and a halogen atom, and a compound having two or more heterocyclic rings each having a carbon atom and an oxygen atom; and a method for producing the modified sulfide solid electrolyte, which has excellent coating suitability when coated as a paste and is capable of efficiently exhibiting excellent battery performance even when a sulfide solid electrolyte having a large specific surface area is used. Also provided are an electrode combined material and a lithium-ion battery using the modified sulfide solid electrolyte.

Abstract: A solid electrolyte includes a lithium element, a sulfur element, a phosphorus element, and a halogen element. The solid electrolyte does not include P2S64? structure, and the solid electrolyte has diffraction peaks at around 2?=20.2° and 23.6° in the X-ray diffraction pattern using a CuK? ray.

Abstract: A grease composition, containing a base oil (A), a urea-based thickener (B), and a polymer compound (C). The particles that make up the urea-based thickener (B) in the grease composition satisfy the following requirement (I): the particles have an arithmetic average particle diameter on an area basis as measured by a laser diffraction/scattering method of 2.0 ?m or less, and the polymer compound (C) has a number average molecular weight (Mn) of 30,000 or more and a molecular weight distribution (Mw/Mn) of 2.20 or less.

Abstract: A method of production of a solid electrolyte having an Argyrodite-type crystal structure, including steps of mixing raw materials such that lithium (Li), phosphorus (P), sulfur (S), oxygen (O), and halogen (X) satisfy the following formulas (11) to (14) to obtain a mixture; and heating the mixture: 4.8?Li/P?5.3??(11) 3.8?S/P?4.4??(12) 0<O/P?0.8??(13) 1.0<X/P?2.0??(14) wherein the formula (11) represents a molar ratio of Li to P, the formula (12) represents a molar ratio of S to P, the formula (13) represents a molar ratio of O to P, and the formula (14) represents a molar ratio of halogen (X) to P.

Abstract: An organic EL device includes a first hole transporting zone including a first anode-side organic layer and a second anode-side organic layer, in which at least one of the first anode-side organic layer or the second anode-side organic layer contains an additive material, and when the first anode-side organic layer contains a fourth material as the additive material, Numerical Formula N1 and N2 are satisfied: NM 1 > NM 2 ( Numerical ? Formula ? N1 ) NM 1 ? 4 > N ? M 10 ( Numerical ? Formula ? N2 ) where NM1 represents a refractive index of a constituent material in the first anode-side organic layer; NM2 represents a refractive index of a constituent material in the second anode-side organic layer; NM10 represents a refractive index of the constituent material in the first anode-side organic layer not containing the fourth material; and NM14 represents a refractive index of the constituent material in the first anode-side organic layer containing

Abstract: Provided are a compound and a material for an organic electroluminescent device, which further improve performance of an organic EL device; an organic electroluminescent device in which device performance is further improved; and an electronic device including such an organic electroluminescent device, which are a compound represented by the following formula (1) (each symbol in the formula is as defined in the specification); a material for an organic electroluminescent device including the compound; an organic electroluminescent device including the compound; and an electronic device including such an organic electroluminescent device.

Abstract: A stacked body, including a reflective electrode layer, an intermediate layer having a MgZnO composition, and a semiconductor layer having an AlGaN composition in this order, where a thickness of the intermediate layer is 1-80 nm. An emitting device containing the stacked body. A method of producing the stacked body.

Abstract: A sintered oxide contains In element, Y element, and Ga element at respective atomic ratios as defined in formulae (1) to (3) below, 0.8 ? In / ( In + Y + Ga ) ? 0 .96 , ( 1 ) 0.02 ? Y / ( In + Y + Ga ) ? 0.1 , ( 2 ) and 0.02 ? Ga / ( In + Y + Ga ) ? 0.1 , ( 3 ) and Al element at an atomic ratio as defined in a formula (4) below, 0.0005 ? Al / ( In + Y + Ga + Al ) ? 0.07 , ( 4 ) where In, Y, Ga, and Al in the formulae represent the number of atoms of the In element, Y element, Ga element, and Al element in the sintered oxide, respectively.

Abstract: An organic electroluminescence device includes an emitting region provided between a cathode and an anode, a first anode side organic layer, a second anode side organic layer, and a third anode side organic layer, in which the emitting region includes at least one emitting layer, the second anode side organic layer contains at least one compound different from the compound contained in the third anode side organic layer, the third anode side organic layer has a film thickness of 20 nm or more, and a difference NM2?NM3 between a refractive index NM2 of a constituent material contained in the second anode side organic layer and a refractive index NM3 of a constituent material contained in the third anode side organic layer satisfies a relationship of a numerical formula (Numerical Formula N1) below, NM2?NM3?0.05??(Numerical Formula N1).

Abstract: An aromatic polyether containing a structural unit represented by the following formula (1), a structural unit represented by the following formula (2), and a structure represented by the following formula (3), wherein 1H-NMR measurement, a ratio of a peak intensity of a peak having the largest peak intensity among peaks derived from the structure represented by the formula (3) appearing in the range of chemical shift 7.55 ppm to 7.65 ppm, relative to a peak intensity of a peak derived from the structural unit represented by the formula (2) appearing in the vicinity of chemical shift 7.35 ppm is 0.20 to 2.00%.

Abstract: A compound which improves properties of the organic EL device, an organic electroluminescent device in which the element properties are more improved, and an electronic device containing the organic electroluminescent device. A compound which is represented by any of formulas (1) to (3), an organic electroluminescent device including the compound, and an electronic device including the organic electroluminescent device.

Abstract: Provided is a sulfide solid electrolyte glass ceramic containing a lithium atom, a sulfur atom, a phosphorus atom, and a halogen atom and having peaks at diffraction angles (2?) of 20.2° and 29.3° in X-ray diffractometry using CuK? line. Due to an intensity ratio (PA/PB) of a peak intensity (PA) of the peak appearing at 2?=20.2° to a peak intensity (PB) of the peak appearing at 2?=29.3° made into more than 1.0, the sulfide solid electrolyte glass ceramic has a high ionic conductivity and has an increased water resistance. A method for producing the sulfide solid electrolyte glass ceramic is also provided.

Abstract: A compound that further improves the capability of an organic electroluminescent device, an organic electroluminescent device having a further improved device capability and an electronic device including the organic electroluminescent device are provided. A compound represented by the following formula (1): wherein the symbols in the formula (1) are defined in the description, an organic electroluminescent device including the compound, and an electronic device including the organic electroluminescent device.

Abstract: An object of the present invention is to provide a lubricating oil composition which, even while exhibiting an excellent friction reducing effect by combining plural types of molybdenum-based friction modifiers, has excellent high-temperature detergency, oxidation stability and copper corrosion resistance. The object has been achieved by a lubricating oil composition containing a base oil (A), a molybdenum-based friction modifier (B), a metal-based detergent (C), and an ash-free dispersant (D), wherein the molybdenum-based friction modifier (B) contains two or more selected from the group consisting of a binuclear molybdenum dithiocarbamate (B1), a trinuclear molybdenum dithiocarbamate (B2), and a molybdenum-amine complex (B3); the metal-based detergent (C) contains a sulfur atom; the ash-free dispersant (D) contains a nitrogen atom; the acid value derived from the binuclear molybdenum dithiocarbamate (B1) and the trinuclear molybdenum dithiocarbamate (B2) is less than 0.

Abstract: An organic electroluminescence device includes: an anode; an emitting layer; and a cathode, the emitting layer containing a first material and a second material represented by a formula (21) below. The first material has a singlet energy larger than a singlet energy of the second material.