Abstract: The present invention provides a pig feed which can increase a productivity of pork and can reduce a cold stress or a heat stress. The present invention provides also a pig feed comprising abscisic acid and/or its salt; a method for breeding a pig which comprises taking the pig feed to a pig; a method for preventing and/or improving the reduction of a productivity in a pig due to a cold and/or a heat; a method for increasing a feed efficiency in a pig; and a method for improving antioxidant potency of a pig by increasing a reduced glutathione in a body of a pig.

Abstract: A method of producing a film having excellent external quantum efficiency when used in a light emitting layer of a light emitting device is provided. A method of film production includes preparing an ink containing a specific metal complex, storing the ink for 3 days or more under light shielding, and forming a film by using the stored ink. The total content of metal complexes having a molecular weight larger by 16, 32 or 48 than that of the specific metal complex according to an area percentage value determined by liquid chromatography is 0.6 or less when the content of the specific metal complex is taken as 100.

Abstract: A composition which is useful for production of a light emitting device excellent in light emission efficiency is provided. In particular, provided is a composition containing a compound represented by formula (1) and a phosphorescent compound, wherein R1 and R2 each independently represent a substituent, n1 represents an integer of 1 to 14, and Ar1 represents an arylene group or a divalent heterocyclic group, and at least one of one or more groups Ar1 is a group represented by the formula (1-A), wherein the variable groups R1A to R8A, R91A, and R92A are as defined in the specification.

Abstract: A method of producing a film having excellent external quantum efficiency when used in a light emitting layer of a light emitting device is provided. A method of film production includes preparing an ink containing a specific metal complex, storing the ink for 3 days or more under light shielding, and forming a film by using the stored ink. The total content of metal complexes having a molecular weight larger by 16, 32 or 48 than that of the specific metal complex according to an area percentage value determined by liquid chromatography is 0.6 or less when the content of the specific metal complex is taken as 100.

Abstract: A light emitting device is provided which contains an anode, a cathode, and two organic layers disposed between the anode and the cathode. The first organic layer contains a phosphorescent material and the second organic layer contains a crosslinked body of a crosslinkable material and a phosphorescent material. The two phosphorescent materials contain the same phosphorescent compound represented by formula (1), and the crosslinkable material is a compound represented by formula (3): In formula (1), M represents a metal atom, n1 is ?1, n2 is ?0, E1 and E2 represent a carbon atom, L1 and L2 represent an aromatic heterocyclic ring, and A1-G1-A2 represents an anionic bidentate ligand. In formula (3), mB1 to mB3 represent an integer of ?0, Ar7 may represent an aromatic hydrocarbon group, LB1 may represent a divalent group, and X? may represent a crosslinkable group.

Abstract: A method of producing a film having excellent external quantum efficiency when used in a light emitting layer of a light emitting device is provided. A method of film production includes preparing an ink containing a specific metal complex, storing the ink for 3 days or more under light shielding, and forming a film by using the stored ink. The total content of metal complexes having a molecular weight larger by 16, 32 or 48 than that of the specific metal complex according to an area percentage value determined by liquid chromatography is 0.6 or less when the content of the specific metal complex is taken as 100.

Abstract: A light emitting device including an anode, a cathode, a light emitting layer disposed between the anode and the cathode, and a hole transporting layer disposed between the anode and the light emitting layer is described. The light emitting layer is a layer containing an iridium complex (A) and a heterocyclic compound constituted of typical elements (B), the hole transporting layer is a layer containing a crosslinked body of a crosslinkable material. The molecular weight (MA) of the iridium complex (A) and the molecular weight (MB) of the heterocyclic compound (B) satisfy the formula 2700?MA+MB?10000 (M1-1) and the formula 0.35?MA/MB?3.00 (M2-1).

Abstract: A light emitting device excellent in luminance life includes an anode, a cathode, a first organic layer (containing at least one phosphorescent compound) disposed between the anode and cathode and a second organic layer (containing at least one phosphorescent compound and a crosslinked body) disposed between the anode and first organic layer. At least one phosphorescent compound contained in the first and second organic layers is the same phosphorescent compound and is represented by the formula (1): wherein M may be an iridium atom, n1 represents an integer of 1 or more, n2 may be 0 or more, E1 and E2 may be a carbon atom, ring L1 represents an aromatic heterocyclic ring, ring L2 may be an aromatic hydrocarbon ring, A1-G1-A2 represents an anionic bidentate ligand, and at least one of rings L1 and L2 has an aryl group, a monovalent heterocyclic group or a substituted amino group.

Abstract: A method of producing a film having excellent external quantum efficiency when used in a light emitting layer of a light emitting device is provided. A method of film production includes preparing an ink containing a specific metal complex, storing the ink for 3 days or more under light shielding, and forming a film by using the stored ink. The total content of metal complexes having a molecular weight larger by 16, 32 or 48 than that of the specific metal complex according to an area percentage value determined by liquid chromatography is 0.6 or less when the content of the specific metal complex is taken as 100.

Abstract: A composition which is useful for production of a light emitting device excellent in light emission efficiency is provided. In particular, provided is a composition containing a compound represented by formula (1) and a phosphorescent compound, wherein R1 and R2 each independently represent a substituent, n1 represents an integer of 1 to 14, and Ar1 represents an arylene group or a divalent heterocyclic group, and at least one of one or more groups Ar1 is a group represented by the formula (1-A), wherein the variable groups R1A to R8A, R91A, and R92A are as defined in the specification.

Abstract: A composition is provided containing: a phosphorescent compound having an emission spectrum whose maximum peak wavelength is between 380 nm or more and less than 495 nm, having no dendron and represented by formula (1?); two or more phosphorescent compounds having an emission spectrum whose maximum peak wavelength is between 495 nm or more and less than 750 nm and having a dendron; and a compound represented by formula (H-1). In formula (1?) M represents an iridium atom or the like, n1 represents an integer of 1 or more, n2 represents an integer of 0 or more, E1 and E2 represent a carbon atom or the like, the ring R1? represents a diazole ring, the ring R2 represents a 6-membered aromatic hydrocarbon ring or the like, and A1-G1-A2 represents an anionic bidentate ligand.

Abstract: A light emitting device is provided which contains an anode, a cathode, and two organic layers disposed between the anode and the cathode. The first organic layer contains a phosphorescent material and the second organic layer contains a crosslinked body of a crosslinkable material and a phosphorescent material. The two phosphorescent materials contain the same phosphorescent compound represented by formula (1), and the crosslinkable material is a compound represented by formula (3): In formula (1), M represents a metal atom, n1 is ?1, n2 is ?0, E1 and E2 represent a carbon atom, L1 and L2 represent an aromatic heterocyclic ring, and A1-G1-A2 represents an anionic bidentate ligand. In formula (3), mB1 to mB3 represent an integer of ?0, Ar7 may represent an aromatic hydrocarbon group, LB1 may represent a divalent group, and X? may represent a crosslinkable group.

Abstract: A light emitting device including an anode, a cathode, a light emitting layer disposed between the anode and the cathode, and a hole transporting layer disposed between the anode and the light emitting layer is described. The light emitting layer is a layer containing an iridium complex (A) and a heterocyclic compound constituted of typical elements (B), the hole transporting layer is a layer containing a crosslinked body of a crosslinkable material. The molecular weight (MA) of the iridium complex (A) and the molecular weight (MB) of the heterocyclic compound (B) satisfy the formula 2700?MA+MB?10000 (M1-1) and the formula 0.35?MA/MB?3.00 (M2-1).

Abstract: A composition is provided containing a first phosphorescent compound (DB) having an emission spectrum whose maximum peak wavelength is from 400 nm to less than 480 nm and having a dendron and a second phosphorescent compound (DGR) having an emission spectrum whose maximum peak wavelength is from 480 nm to less than 680 nm and having a dendron.

Abstract: A polymer compound is provided having constitutional units of formula (1) and formula (2), and a constitutional unit of formula (3) and/or (4?): wherein Ar1 to Ar4, Ar20, Ar30? and Ar40 represent arylene groups or the like; Ar5 to Ar7 represent aryl groups or the like; Ar8 represents (2+p)-valent aromatic hydrocarbon group or the like; Ar10 represents (2+n)-valent aromatic hydrocarbon group or the like; R1 represents alkyl group or the like; La, Lb, Lg and Lh represent alkylene groups or the like; LA and LD represent oxygen atoms or the like; Q1 represents monovalent crosslinkable group; Q2? to Q4? represent monovalent crosslinkable groups or the like; x, y, c, nA and nD represent 0 or 1; p represents integer of 1 or greater; na and ng represent integer of 0 to 3; nb and nh represent integer of 0 to 12; and n represents integer of 1 to 4.

Abstract: A polymer compound is provided having a constitutional unit represented by the following formula (1): wherein: R1 and R2 represent an alkyl group, an aryl group, a mono-valent aromatic heterocyclic group, an alkoxy group or an aryloxy group, and Ar1 represents an arylene group or a di-valent condensed polycyclic aromatic heterocyclic group.

Abstract: A light-emitting device having an anode, a cathode, a first organic layer disposed between the anode and the cathode, and a second organic layer disposed between the anode and the first organic layer and adjacent to the first organic layer is provided. The first organic layer contains a phosphorescent compound of formula (1), and the second organic layer contains a crosslinked body formed from a polymer compound having a crosslinkable group in which the average number of the crosslinkable groups in the polymer compound per molecular weight of 1000 is at least 0.5.

Abstract: A light emitting device excellent in luminance life includes an anode, a cathode, a first organic layer (containing at least one phosphorescent compound) disposed between the anode and cathode and a second organic layer (containing at least one phosphorescent compound and a crosslinked body) disposed between the anode and first organic layer. At least one phosphorescent compound contained in the first and second organic layers is the same phosphorescent compound and is represented by the formula (1): wherein M may be an iridium atom, n1 represents an integer of 1 or more, n2 may be 0 or more, E1 and E2 may be a carbon atom, ring L1 represents an aromatic heterocyclic ring, ring L2 may be an aromatic hydrocarbon ring, A1-G1-A2 represents an anionic bidentate ligand, and at least one of rings L1 and L2 has an aryl group, a monovalent heterocyclic group or a substituted amino group.

Abstract: A composition comprising: a light emitting material; and a polymer compound having a constitutional sequence represented by the following formula (1) as a main chain: -[—(Y)n—Z—]m-??(1) in the formula, Y represents a divalent group, in which two hydrogen atoms are removed from a structure represented by the following formula (Y-1) or (Y-2), Z represents a divalent group, in which two hydrogen atoms are removed from a structure represented by the following formula (Z-1), (Z-2), (Z-3), (Z-4), (Z-5), (Z-6), (Z-7), or (Z-8), m represents an integer of 4 to 10,000, and n represents an integer of 1 to 3.

Abstract: A composition is provided containing: a phosphorescent compound having an emission spectrum whose maximum peak wavelength is between 380 nm or more and less than 495 nm, having no dendron and represented by formula (1?); two or more phosphorescent compounds having an emission spectrum whose maximum peak wavelength is between 495 nm or more and less than 750 nm and having a dendron; and a compound represented by formula (H-1). In formula (1?) M represents an iridium atom or the like, n1 represents an integer of 1 or more, n2 represents an integer of 0 or more, E1 and E2 represent a carbon atom or the like, the ring R1? represents a diazole ring, the ring R2 represents a 6-membered aromatic hydrocarbon ring or the like, and A1-G1-A2 represents an anionic bidentate ligand.