Abstract: Provided are a composition containing a component A and a component B, a cured substance or a molded body thereof, an optical member and a lens. Component A: A compound having a nitrogen-containing fused aromatic ring as a partial structure Component B: A compound represented by any of General Formulae (B1) to (B5) In General Formulae (B1) to (B5), Ar101 to Ar104 represent an aryl group or a heteroaryl group, X1 represents a monovalent substituent, Y1 represents a hydrogen atom or a monovalent substituent, and adjacent two of Ar101 to Ar104, X1, and Y1 may be bonded to each other to form a ring, where none of the monovalent substituents employed as X1 or Y1 is an aryl group or a heteroaryl group.

Abstract: The present invention provides a curable composition containing a compound represented by General Formula A and a compound represented by General Formula B. ArL-Sp-Pol)n??(General Formula A) In General Formula A, Ar represents an n-valent group containing a nitrogen-containing fused aromatic ring as a partial structure; L represents a linking group such as —O— and —C(?O)O—; Sp represents a single bond or a divalent linking group; Pol represents a hydrogen atom or a polymerizable group; n represents 1 or 2; and the compound represented by General Formula A has at least one polymerizable group. In General Formula B, R?, R?, and R?? are each independently a hydrogen atom or a substituent; R? and R? or R? and R?? may be bonded to each other to form a ring that may have a substituent; and W is a hydrogen atom or a substituent.

Abstract: Provided are a polymer film including a layer A and a layer B on at least one surface of the layer A, in which the layer A contains a polymer having a dielectric loss tangent of 0.01 or less or at least one polymer A selected from the group consisting of a liquid crystal polymer, a fluorine-based polymer, a polymerized substance of a compound which has a cyclic aliphatic hydrocarbon group and a group having an ethylenically unsaturated bond, a polyphenylene ether, and an aromatic polyether ketone, the layer B contains an additive, and the layer B has an inflection point in a change in elastic modulus due to a change in temperature or a change in deformation rate, or has a reduced elastic modulus under pressurization; a laminate using the polymer film; and a method for manufacturing the same.

Abstract: Provided are a compound represented by the following General Formula (A1-1), a method for producing the same, and the use of the compound: wherein R5 and R6 represent a hydrogen atom or an alkyl group, L1 and L2 represent an alkylene group having 1 to 6 carbon atoms, Spa and Spb represent a single bond or a divalent linking group, R11 and R21 represent a substituent, and v1 and w1 are an integer of 0 to 4. Further provided that a structure represented by (R11)v1-benzen ring/cyclopentadiene skeleton/naphthalene ring-(R21)w1 is not line-symmetrical, where “/” represents that two rings described on left and right sides of the structure are fused.

Abstract: Provided are a curable resin composition including a near-ultraviolet light-absorbing organic compound, indium tin oxide particles, and a polymer having a constitutional unit represented by General Formula (P) and having an acidic group at one terminal, in which the near-ultraviolet light-absorbing organic compound is a compound that has a maximal value at 300 to 400 nm in an absorption spectrum in a wavelength region of 300 to 800 nm and does not substantially absorb light at a wavelength of 410 to 800 nm; a cured product formed of the curable resin composition; a diffractive optical element; and a multilayer diffractive optical element. ArP represents an aryl group and LP and RP1 represent a specific group.

Abstract: Provided are the following compound represented by General Formula (A) or (B), a curable resin composition including the compound, a cured product thereof, an optical member, and a lens: A ring Ar1 and a ring Ar2 represent an aromatic ring represented by a specific formula or a fused ring thereof, R1 and R2 represent a specific substituent, and v and w are a specific integer. R3 and R4 represent a hydrogen atom or a monovalent substituent, L1 and L2 represent an alkylene group having 1 to 6 carbon atoms, and Spa to Spd represent a single bond or a divalent linking group. Pol1 and Pol2 represent a hydrogen atom or a polymerizable group, in which at least one of Pol1 or Pol2 is a polymerizable group. Further, in the formulae, a structure represented by (R1)v—Ar1/cyclopentadiene skeleton/Ar2—(R2)w is not line-symmetrical.

Abstract: A curable resin composition for a lens, including a coloring agent A having a maximal absorption at a wavelength of 520 to 620 nm, in which a wavelength dispersion WD of a cured product of the composition, which is calculated by the following expression (X), is 2.0×10?5 or more; a cured product formed of the curable resin composition for a lens; a diffractive optical element; and a multilayer diffractive optical element. WD=(nC?n(1129))/(1129?656)??Expression (X) In the expression, nC represents a refractive index at a wavelength of 656 nm and n(1129) represents a refractive index at a wavelength of 1129 nm.

Abstract: Provided are a cured product of a curable composition including a compound represented by General Formula (1), in which a birefringence ?n at a wavelength of 587 nm is 0.00??n?0.01; an optical member; a lens; a compound represented by General Formula (1); a curable resin composition containing the compound; a cured product; a diffractive optical element; and a multilayer diffractive optical element. Pol1-Spa-L1-Ar-L2-Spb-Pol2??Genera Formula (1) Ar represents an aromatic ring group represented by a specific formula, L1 and L2 represent —O—, Spa and Spb represent a linking group having the shortest atom number of 11 or more and linking Pol and L, Pol1 and Pol2 represent a polymerizable group, and in Spa and Spb, a linking portion to L1 or L2 is —CH2— and a linking portion to Pol1 or Pol2 is a carbon atom.

Abstract: According to the present invention, a lens adhesive including a compound represented by General Formula 1 is provided. Pol1-Sp1-L1-Ar-L2-Sp2-Pol2??(General Formula 1) In the formula, Ar is an aromatic ring group represented by General Formula 2-2 and the like. In the formula, Z1 and Z2 each represent a hydrogen atom, a methyl group, and the like; A1 and A2 each represent —S— and the like; X represents C(Rz)2 and the like (where Rz is a substituent, and two Rz's may form a ring); L1 and L2 each represent a single bond, —O—, —OC(?O)—, —OC(?O)O—, —OC(?O)NH—, and the like; Sp1 and Sp2 each represent a single bond or a linking group such as a linear alkylene group; Pol1 and Pol2 each represent a hydrogen atom or a polymerizable group; and a compound represented by General Formula 1 has at least one polymerizable group. Using the lens adhesive, it is possible to provide a cemented lens that is unlikely to deteriorate due to light, and an imaging module having high durability.

Abstract: Provided is a curable composition containing a polymerizable compound represented by General Formula (A), an acylphosphine oxide photopolymerization initiator, and an amine compound. ArL-Sp-Pol)n??Genera Formula (A) Ar represents an n-valent group containing a nitrogen-containing fused aromatic ring satisfying all items (i) to (iii), as a partial structure. (i) The nitrogen-containing fused aromatic ring has a fused ring structure in which two or more 6-membered rings are fused. (ii) The nitrogen-containing fused aromatic ring has at least one nitrogen atom as a ring-constituting atom. (iii) All ring-constituting atoms have p-orbitals, and all the p-orbitals contribute to aromaticity. L and Sp each independently represent a single bond or a divalent linking group, Pol represents a hydrogen atom or a polymerizable group, and n represents 1 or 2. The polymerizable compound represented by General Formula (A) contains at least one polymerizable group.

Abstract: The present invention provides a cured product obtained by curing a curable composition including a compound represented by General Formula 1, in which a birefringence ?n (587 nm) is 0.00??n (587 nm)?0.01. Pol1-Sp1-L1-Ar-L2-Sp2-Pol2??(General Formula 1) In the formula, Ar represents a divalent group containing a ring structure selected from the group consisting of a quinoxaline ring and a quinazoline ring; L1 and L2 each represent a single bond, —O—, —OC(?O)—, —OC(?O)O—, —OC(?O)NH—, and the like; Sp1 and Sp2 each represent a single bond or a divalent linking group; Pol1 and Pol2 each represent a hydrogen atom or a polymerizable group; and the compound represented by General Formula 1 has at least one polymerizable group. The cured product of the present invention has a small Abbe number (?d) and a large partial dispersion ratio (?g, F), and is therefore useful for production of optical members.

Abstract: The present invention provides a curable resin composition including a bifunctional or more (meth)acrylate compound, indium tin oxide particles, and an acidic polymer, in which the acidic polymer has a moiety including a carboxyl group at a polymer skeleton of a (meth)acrylate compound and at any one of terminals of the polymer skeleton of a (meth)acrylate compound, and an acid value of the acidic polymer is 2.0 mgKOH/g or more and less than 100 mgKOH/g. The curable resin composition of the present invention provides a transparent cured product, hardly causes bubbles to be mixed in a case of applying the curable resin composition to a mold so as to form a lattice-shaped cured product, and also has a good peeled surface shape from the mold after curing. The present invention also provides a diffractive optical element including a surface having a diffraction grating shape and formed of the cured product of the curable resin composition.

Abstract: According to the present invention, as a monomer which is unlikely to be crystallized in a curable composition for manufacturing an optical member and which enables manufacture of a cured product having a high level of moisture-heat resistance, a compound represented by General Formula (A) is provided.

Abstract: A lens having high quality even after long-term storage can be manufactured using a curable composition containing a compound represented by General Formula A, a compound represented by General Formula B, and a polymerization initiator, in which a ratio of a substance amount of the compound represented by General Formula B to a substance amount of the compound represented by General Formula A is 1 to 25 mol %. In the Formulas, each portion surrounded by a broken line of Ar11, Ar12, and Ar13 represents that each of the portions may form a fused ring; L1 and L2 each represent a single bond, —O—, or the like; Sp1 and Sp2 each represent a single bond or a divalent linking group; Pol1 and Pol2 each represent a polymerizable group; R3 to R6 each represent a substituent; and q, r, v, and w are each an integer of 0 to 4.

Abstract: Provided are a polymerizable composition containing a compound represented by General Formula (I-1) or General Formula (I-2) and a polymerizable compound, applications of the polymerizable composition, a compound represented by General Formula (II), and applications of the compound. In General Formula (I-1), General Formula (I-2), and General Formula (II), R1 represents a hydrogen atom, an alkyl group, or the like, R2 and R3 each represent a hydrogen atom, an alkyl group, or the like, R4 and R5 each represent an electron-withdrawing group, and A represents a 5- or 6-membered ring or the like. In General Formula (I-1), D represents O, S, or N-E, and E represents an alkyl group. At least one of R1, R2, R3, R4, R5, or A in General Formula (II) contains a substituent selected from the group consisting of General Formula (III) and General Formula (IV).

Abstract: A curable composition contains: a cardo skeleton-containing monomer having two or more (meth)acryloyl groups in a molecule; an aromatic ring-containing monofunctional (meth)acrylate monomer; and an acidic phosphate ester, in which the acidic phosphate ester is a compound represented by General Formula (1), and the content of the acidic phosphate ester is 0.003% to 1% by mass with respect to a total mass of the curable composition.

Abstract: A curable composition containing a compound represented by General Formula A and a salt of an acidic phosphoric acid ester is provided as a curable composition for forming a cured product that has a small Abbe number and a large partial dispersion ratio and has excellent moldability. In General Formula A, Ar represents an n-valent group containing a nitrogen-containing aromatic ring as a partial structure, L represents a linking group such as —O— and —C(?O)O—, Sp represents a single bond or a divalent linking group, Pol represents a hydrogen atom or a polymerizable group, and n represents 1 or 2; and the compound represented by General Formula A has at least one polymerizable group.

Abstract: The present invention provides a resin composition suitable for producing a diffractive optical element, the resin composition including an indium tin oxide particle and a near-ultraviolet light-absorbing organic compound having a maximum value of an absorbance at 340 nm to 400 nm in an absorption spectrum in a wavelength region of 300 nm to 780 nm and exhibiting substantially no light absorption at a wavelength of 410 to 800 nm.

Abstract: According to the present invention, a cured product obtained by curing a curable composition including a compound represented by General Formula 1, in which a birefringence ?n (587 nm) is 0.00??n (587 nm)?0.01, is provided, and this cured product is suitable for manufacturing an optical member. Pol1-Sp1-L1-Ar-L2-Sp2-Pol2??(General Formula 1) In formula, Ar is an aromatic ring group represented by General Formula 2-2 and the like. In formula, Z1 and Z2 each represent a hydrogen atom, a methyl group, and the like; A1 and A2 each represent —S— and the like; X represents C(Rz)2 and the like (where Rz is a substituent, and two Rz's may form a ring); L1 and L2 each represent a single bond, —O—, —OC(?O)—, —OC(?O)O—, —OC(?O)NH—, and the like; Sp1 and Sp2 each represent a single bond or a divalent linking group; Pol1 and Pol2 each represent a hydrogen atom or a polymerizable group; and a compound represented by General Formula 1 has at least one polymerizable group.

Abstract: The present invention provides a curable composition containing a compound represented by General Formula A and a compound represented by General Formula B. Ar?L-Sp-Pol)n??(General Formula A) In General Formula A, Ar represents an n-valent group containing a nitrogen-containing fused aromatic ring as a partial structure; L represents a linking group such as —O— and —C(?O)O—; Sp represents a single bond or a divalent linking group; Pol represents a hydrogen atom or a polymerizable group; n represents 1 or 2; and the compound represented by General Formula A has at least one polymerizable group. In General Formula B, R?, R?, and R?? are each independently a hydrogen atom or a substituent; R? and R? or R? and R?? may be bonded to each other to form a ring that may have a substituent; and W is a hydrogen atom or a substituent.