Abstract: A light emitting element of one or more embodiments includes a first electrode, a second electrode oppositely to the first electrode, and an emission layer between the first electrode and the second electrode. The light emitting element of one or more embodiments includes a polycyclic compound represented by a specific chemical structure in the emission layer, thereby showing improved emission efficiency and life characteristics.

Abstract: A solid electrolyte contains a compound that has a crystal phase having an argyrodite-type crystal structure and that is represented by LiaPSbXc, where X is at least one elemental halogen, a represents a number of 3.0 or more and 6.0 or less, b represents a number of 3.5 or more and 4.8 or less, and c represents a number of 0.1 or more and 3.0 or less. The proportion of the crystal phase with an argyrodite-type structure relative to all crystal phases constituting the solid electrolyte is 97.0 wt % or more. The compound has a lattice strain of less than 0.10%. The solid electrolyte preferably exhibits a lithium ion conductivity of 4.0 mS/cm or more.

Abstract: A solid electrolyte: (compound A) a compound that has a crystal phase having an argyrodite-type crystal structure and that is represented by LiaPSbXc, where X is at least one elemental halogen, a represents a number of 3.0 or more and 6.0 or less, b represents a number of 3.5 or more and 4.8 or less, and c represents a number of 0.1 or more and 3.0 or less; and (compound B) a compound that is represented by LiX, where X is as defined above. The compound B has a crystallite size of 25 nm or more. The solid electrolyte preferably has a BET specific surface area of 14.0 m2/g or less.

Abstract: A solid electrolyte includes: (compound A) a compound that has a crystal phase having an argyrodite-type crystal structure and that is represented by LiaPSbXc, where X is at least one elemental halogen, a represents a number of 3.0 or more and 6.0 or less, b represents a number of 3.5 or more and 4.8 or less, and c represents a number of 0.1 or more and 3.0 or less; and (compound B) a compound that is represented by LiX, where X is as defined above. The compound B has a crystallite size of 60 nm or less. The solid electrolyte according to the present invention preferably exhibits a lithium ion conductivity at 25° C. of 4.0 mS/cm or more.

Abstract: A sulfide solid electrolyte contains a compound that has a crystal phase having an argyrodite-type crystal structure and that is represented by LiaPSbXc, where X is at least one elemental halogen, a represents a number of 3.0 or more and 6.0 or less, b represents a number of 3.5 or more and 4.8 or less, and c represents a number of 0.1 or more and 3.0 or less. The sulfide solid electrolyte has a ratio of ALi/(ALi+AP+AS+AX) to a specific surface area (m2 g?1) of 3.40 (m?2g) or more, where ALi represents the amount of lithium (atom %) quantitatively determined from the Li 1s peak, AP represents the amount of phosphorus (atom %) quantitatively determined from the P 2p peak, AS represents the amount of sulfur (atom %) quantitatively determined from the S 2p peak, and AX represents the amount of halogen (atom %) quantitatively determined from the halogen peak, the peaks being exhibited in X-ray photoelectron spectroscopy (XPS).

Abstract: A method for producing a spectacle lens 2 including a base portion 2 that is made of a resin material and includes a convex object-side face and a concave eyeball-side face, and an optical element 12 that is made of a material different from the material for forming the base portion and is embedded in the base portion, is described. The method includes: arranging an optical element in a cavity 28 of a mold including a first mold part 20 and a second mold part 24 that can be opened and closed; introducing a resin material for forming a base portion of the spectacle lens into the cavity of the mold; obtaining the spectacle lens by curing the resin material that is a resin for forming the base portion; disassembling the mold; and detaching the spectacle lens from the mold.

Abstract: A method for producing a spectacle lens 2 including a base portion 2 that is made of a resin material and includes a convex object-side face and a concave eyeball-side face, and an optical element 12 that is made of a material different from the material for forming the base portion and is embedded in the base portion, is described. The method includes: arranging an optical element in a cavity 28 of a mold including a first mold part 20 and a second mold part 24 that can be opened and closed; introducing a resin material for forming a base portion of the spectacle lens into the cavity of the mold; obtaining the spectacle lens by curing the resin material that is a resin for forming the base portion; disassembling the mold; and detaching the spectacle lens from the mold.

Abstract: Provided is a plastic lens obtained by curing a curable composition including a curable compound, wherein the curable composition includes 50 parts by mass or more of a (meth)acrylic curable compound relative to 100 parts by mass of the total amount of the curable compound, and in the plastic lens, the absorbance ratio of the maximum absorbance Abs1 at a wave number of 1680 to 1620 cm?1 relative to the maximum absorbance Abs2 at a wave number of 1800 to 1690 cm?1 in an infrared spectrum obtained by measurement with a Fourier transform infrared spectrophotometer is 7.0% or less, as calculated by using the following Formula 1: Absorbance ratio (%)=(Abs1/Abs2)×100.

Abstract: A method for producing a spectacle lens 2 including a base portion 2 that is made of a resin material and includes a convex object-side face and a concave eyeball-side face, and an optical element 12 that is made of a material different from the material for forming the base portion and is embedded in the base portion, is described. The method includes: arranging an optical element in a cavity 28 of a mold including a first mold part 20 and a second mold part 24 that can be opened and closed; introducing a resin material for forming a base portion of the spectacle lens into the cavity of the mold; obtaining the spectacle lens by curing the resin material that is a resin for forming the base portion; disassembling the mold; and detaching the spectacle lens from the mold.

Abstract: Provided are a polyisocyanate monomer composition for optical members, from which an optical members with which turbidity and clouding are difficult to occur during the production thereof, and which is excellent in transparency, can be obtained, and an optical member and production methods therefor.

Abstract: Provided is a spinel-type lithium metal composite oxide that makes it possible to achieve excellent high-temperature storage characteristics when used as a positive electrode active material of a lithium battery. The spinel-type (Fd-3m) lithium metal composite oxide is characterized by the oxygen occupancy (OCC) thereof as determined by the Rietveld method being 0.965-1.000, the lattice strain thereof as determined by the Williamson-Hall method being 0.015-0.090, and the ratio (Na/Mn) of the molar content of Na to the molar content of Mn satisfying 0.00<Na/Mn<1.00×10?2.

Abstract: Provided is a plastic lens obtained by curing a curable composition including a curable compound, wherein the curable composition includes 50 parts by mass or more of a (meth)acrylic curable compound relative to 100 parts by mass of the total amount of the curable compound, and in the plastic lens, the absorbance ratio of the maximum absorbance Abs1 at a wave number of 1680 to 1620 cm?1 relative to the maximum absorbance Abs2 at a wave number of 1800 to 1690 cm?1 in an infrared spectrum obtained by measurement with a Fourier transform infrared spectrophotometer is 7.0% or less, as calculated by using the following Formula 1: Absorbance ratio (%)=(Abs1/Abs2)×100.

Abstract: Provided are a polyisocyanate monomer composition for optical members, from which an optical members with which turbidity and clouding are difficult to occur during the production thereof, and which is excellent in transparency, can be obtained, and an optical member and production methods therefor.

Abstract: Provided is a spinel-type lithium metal composite oxide that makes it possible to achieve excellent high-temperature storage characteristics when used as a positive electrode active material of a lithium battery. The spinel-type (Fd-3m) lithium metal composite oxide is characterized by the oxygen occupancy (OCC) thereof as determined by the Rietveld method being 0.965-1.000, the lattice strain thereof as determined by the Williamson-Hall method being 0.015-0.090, and the ratio (Na/Mn) of the molar content of Na to the molar content of Mn satisfying 0.00<Na/Mn<1.00×10?2.

Abstract: A method for producing a progressive-addition plastic lens having a prism thinning applied thereto without cutting and polishing includes: a lens molding die forming step of forming a lens molding die configured by a first molding die having a molding face for forming one optical surface, which is a progressive-addition surface, of the lens and a second molding die having a molding face for forming the other optical surface of the lens, wherein the first molding die and the second molding die are arranged so that the respective molding faces thereof face inner side; a filling step of filling a lens material liquid containing a monomer composition into the formed lens molding die; and a curing step of polymerizing and curing the filled lens material liquid so as to form the lens.

Abstract: A mold 1 includes a mold assembly 2 and an injection aid member 3 attached to the mold assembly. The mold assembly 2 includes a first mold 21 and a second mold 22 which are opposed to each other, a tape member 23 connecting the outer peripheries of the first mold 21 and the second mold 22, a cavity 24 to which a plastic lens material is injected, and a through hole 25 which makes a portion of the cavity 24 open. The injection aid member 3 includes a first opening 33 opposed to the through hole 25 of the mold assembly 2, a second opening 34 connected to the first opening 33, an attachment 32 provided around the first opening 33 and firmly attached to the mold assembly 2.

Abstract: A mounting structure of a chip component includes a chip component that is bonded by having a pair of external terminal electrodes provided on both ends of an element body of the thin chip component bonded to a pair of lands respectively through solder, the pair of lands being provided on an attaching substrate in a lateral direction with respect to each other. Where plan view distances from ends of the external terminal electrodes at the ridge lines formed between the surfaces and side faces of the element body of the chip component to the edges of the lands connected to the external terminal electrodes are designated as “d,” and the vertical distances from the bottom surfaces of the external terminal electrodes and the lands are designated as “t,” then d>t/tan 35° and preferably d>t/tan 25° is fulfilled.

Abstract: In a laminated capacitor, one additional first internal electrode layer, which has its edge connected to the first external electrode as do the first internal electrode layers, is provided to one of the five first internal electrode layers so as to face one another via the second dielectric layer having a thickness smaller than the thickness of the first dielectric layer and not contributing to the formation of capacity, and one additional second internal electrode layer, which has its edge connected to the second external electrode as do the second internal electrode layers, is provided to one of the five second internal electrode layers so as to face one another via the third dielectric layer having a thickness smaller than the thickness of the first dielectric layer and not contributing to the formation of capacity.

Abstract: In a laminated capacitor, one additional first internal electrode layer, which has its edge connected to the first external electrode as do the first internal electrode layers, is provided to one of the five first internal electrode layers so as to face one another via the second dielectric layer having a thickness smaller than the thickness of the first dielectric layer and not contributing to the formation of capacity, and one additional second internal electrode layer, which has its edge connected to the second external electrode as do the second internal electrode layers, is provided to one of the five second internal electrode layers so as to face one another via the third dielectric layer having a thickness smaller than the thickness of the first dielectric layer and not contributing to the formation of capacity.

Abstract: A mounting structure of a chip component includes a chip component that is bonded by having a pair of external terminal electrodes provided on both ends of an element body of the thin chip component bonded to a pair of lands respectively through solder, the pair of lands being provided on an attaching substrate in a lateral direction with respect to each other. Where plan view distances from ends of the external terminal electrodes at the ridge lines formed between the surfaces and side faces of the element body of the chip component to the edges of the lands connected to the external terminal electrodes are designated as “d,” and the vertical distances from the bottom surfaces of the external terminal electrodes and the lands are designated as “t,” then d?t/tan 35° and preferably d?t/tan 25° is fulfilled.