Abstract: Provided are a composition and a photosensitive composition that contain inorganic fine particles dispersed stably over a long period of time and are less likely to undergo excessive loss of the mass of their components (or non-solvent components in a case where the composition or the photosensitive composition contains a solvent) even when heated; a product of curing of such a photosensitive composition; a compound suitable for use in such a photosensitive composition; and a method of producing such a compound. The composition includes a photopolymerizable compound (A) and inorganic fine particles (B) and the photosensitive composition includes a photopolymerizable compound (A), inorganic fine particles (B), and an initiating agent (C), in which the photopolymerizable compound (A) is a compound of a specific structure having a radically polymerizable group-containing group or a cationically polymerizable group-containing group.

Abstract: A curable composition that can contain a high concentration of a heterocyclic compound (A) having a triazine ring as a component which gives a cured product exhibiting a high refractive index, surface without defects such as roughness or cracks, and is unlikely to have cracks occurring on the surface thereof even when exposed to a high-temperature and high-humidity environment, a cured product of the curable composition, and a compound that may be blended to the curable composition. As a component of the composition, a triazine compound having a structure in which an optionally substituted monocyclic aromatic group(s) or an optionally substituted condensed aromatic group(s) is/are bonded to the triazine ring via an amino group, and, as a solvent, triethylene glycol dimethyl ether are used in combination.

Abstract: The purpose of the present invention is to provide: a ?-conjugated compound exhibiting excellent light emission characteristics; an organic electroluminescent element using same; a display device; and an illumination device. Accordingly, this organic electroluminescent element is provided with: a positive electrode; a negative electrode; and at least one organic layer which is sandwiched between the positive electrode and the negative electrode, and which includes a light emission layer. The light emission layer includes a ?-conjugated compound having a structure represented by any of general formulae (1)-(3) (in general formulae (1)-(3), at least one among R1-R4, R5-R8, and R9-R16 represents a group represented by general formula (4) (in general formula (4): Ar1 and Ar2 represent substituted or unsubstituted aryl groups; L1 represents a single bond or a substituted or unsubstituted arylene group; and # represents a bond to general formulae (1)-(3))).

Abstract: Disclosed is a ?-conjugated compound that has a structure of the following Formula (1) and a HOMO level of ?5.3 eV or higher, in the formula, M represents CX1 or a nitrogen atom, X1 to X6 each represent an aromatic substituent or an aromatic heterocyclic group, in which at least four of X1 to X6 are electron-donating condensed aromatic ring substituents with 14 or more n electrons, and at least one of X1 to X6 is an electron-attracting substituent, and X1 to X6 may each independently further have a substituent.

Abstract: In order to provide a novel ?-conjugated compound capable of increasing the light-emission efficiency of an organic electroluminescence element, for example, this ?-conjugated compound has a structure indicated by general formula (1). (In general formula (1): Z1-Z6 each independently indicate a hydrogen atom, a deuterium atom, an electron-donating group D, or an electron-withdrawing group A; at least out of two among Z1-Z6 is an electron-donating group D and the other is an electron-withdrawing group A; and at least one ortho position combination Z1 and Z2, Z2 and Z3, Z3 and Z4, Z4 and Z5, Z5 and Z6, or Z6 and Z1 among Z1-Z6 is one combination out of an electron-donating group D and an electron-donating group D, an electron-withdrawing group A and an electron-withdrawing group A, or an electron-donating group D and an electron-withdrawing group A.

Abstract: a curable composition that gives a cured product exhibiting a high refractive index and a surface without defects such as roughness or cracks, a cured product of the composition, and a compound that may be blended to the composition. In a curable composition including a triazine compound having three aromatic-ring-containing groups each bonded to the triazine ring via an amino group, an aromatic-ring-containing group having a specific structure having a radically polymerizable group-containing group or a cationically polymerizable group-containing group is used as at least one of the three aromatic-ring-containing groups bonded to the triazine ring in the triazine compound mentioned above.

Abstract: A curable composition that can contain a high concentration of a heterocyclic compound (A) having a triazine ring as a component which gives a cured product exhibiting a high refractive index, surface without defects such as roughness or cracks, and is unlikely to have cracks occurring on the surface thereof even when exposed to a high-temperature and high-humidity environment, a cured product of the curable composition, and a compound that may be blended to the curable composition. As a component of the composition, a triazine compound having a structure in which an optionally substituted monocyclic aromatic group(s) or an optionally substituted condensed aromatic group(s) is/are bonded to the triazine ring via an amino group, and, as a solvent, triethylene glycol dimethyl ether are used in combination.

Abstract: A curable composition that gives a cured product exhibiting a high refractive index and a surface without defects such as roughness or cracks, a cured product of the composition, and a compound that may be blended to the composition. A triazine compound is used as a curable component in a curable composition, the triazine compound having an optionally substituted quinolinyl group, an optionally substituted isoquinolinyl group, or an optionally substituted 2-substituted benzothiazolyl group and an aromatic-ring-containing group having a radically polymerizable group-containing group or an aromatic-ring-containing group having a cationically polymerizable group-containing group, each group bonded to the triazine ring via an amino group.

Abstract: The present invention addresses the issue of providing: a novel squarylium compound that has high light-emission efficiency, in particular little reduction in light-emission efficiency in a solid membrane, and is capable of emitting a near-infrared light having excellent light resistance; and a light-emitting composition and a light-emitting film that contain said squarylium compound. This squarylium compound is characterized by having a structure indicated by general formula (1).

Abstract: This benzonitrile derivative has the structure represented by general formula (1). [In the formula, each of substituent groups D1-D5 independently represents a carbazolyl group, and at least one thereof has a structure having a chirality-producing section. However, there is no case in which D1-D5 are all the same. Each of D1-D5 may independently further have a substituent group.

Abstract: This benzonitrile derivative has the structure represented by general formula (1). [In the formula, each of substituent groups D1-D5 independently represents a carbazolyl group or an azacarbazolyl group, and at least one thereof represents an azacarbazolyl group. Each of D1-D5 may independently further have a substituent group.

Abstract: The present invention addresses the issue of providing: a novel squarylium compound that has high light-emission efficiency, in particular little reduction in light-emission efficiency in a solid membrane, and is capable of emitting a near-infrared light having excellent light resistance; and a light-emitting composition and a light-emitting film that contain said squarylium compound. This squarylium compound is characterized by having a structure indicated by general formula (1).

Abstract: The purpose of the present invention is to provide: a ?-conjugated compound exhibiting excellent light emission characteristics; an organic electroluminescent element using same; a display device; and an illumination device. Accordingly, this organic electroluminescent element is provided with: a positive electrode; a negative electrode; and at least one organic layer which is sandwiched between the positive electrode and the negative electrode, and which includes a light emission layer. The light emission layer includes a ?-conjugated compound having a structure represented by any of general formulae (1)-(3) (in general formulae (1)-(3), at least one among R1-R4, R5-R8, and R9-R16 represents a group represented by general formula (4) (in general formula (4): Ar1 and Ar2 represent substituted or unsubstituted aryl groups; L1 represents a single bond or a substituted or unsubstituted arylene group; and # represents a bond to general formulae (1)-(3))).

Abstract: Provided is an organic electroluminescent element containing an anode, a cathode, and an organic functional layer containing one or a plurality of light-emitting layers, the organic functional layer being interposed between the anode and the cathode, wherein at least one of the light-emitting layers contains a compound having two condensed aromatic rings bonded to each other with a linking group; and the condensed aromatic rings form a ?-? stacking structure in the molecule.

Abstract: An object of the present invention is to provide an organic electroluminescent element having a maximum emission wavelength in a near-infrared region, high luminous efficiency, and a small change in resistance value over time during passage of a current. An organic electroluminescent element of the present invention includes a positive electrode, a negative electrode, and an organic layer sandwiched between the positive electrode and the negative electrode and including at least a light emitting layer. The light emitting layer includes a first organic compound formed of a delayed fluophor or a phosphorescent compound having ?EST of 0.3 eV or less. Any one of the positive electrode, the negative electrode, and the organic layer includes a second organic compound formed of a fluorescent dye represented by general formula (1) or (2), having a maximum emission wavelength of 700 nm to 1000 nm in a fluorescence spectrum.

Abstract: In order to provide a novel ?-conjugated compound capable of increasing the light-emission efficiency of an organic electroluminescence element, for example, this ?-conjugated compound has a structure indicated by general formula (1). (In general formula (1): Z1-Z6 each independently indicate a hydrogen atom, a deuterium atom, an electron-donating group D, or an electron-withdrawing group A; at least out of two among Z1-Z6 is an electron-donating group D and the other is an electron-withdrawing group A; and at least one ortho position combination Z1 and Z2, Z2 and Z3, Z3 and Z4, Z4 and Z5, Z5 and Z6, or Z6 and Z1 among Z1-Z6 is one combination out of an electron-donating group D and an electron-donating group D, an electron-withdrawing group A and an electron-withdrawing group A, or an electron-donating group D and an electron-withdrawing group A.

Abstract: Provided is an organic electroluminescent element containing an anode, a cathode, and an organic functional layer containing one or a plurality of light-emitting layers, the organic functional layer being interposed between the anode and the cathode, wherein at least one of the light-emitting layers contains a compound having two condensed aromatic rings bonded to each other with a linking group; and the condensed aromatic rings form a ?-? stacking structure in the molecule.