Abstract: A performance in a technique using a heater for manufacturing a resin molding product is further improved. A method of manufacturing a resin molding product includes: a step of placing a first portion configuring a resin molding product, in a first mold; a step of placing a second portion configuring a resin molding product, in a second mold; a step of inserting a heater between the first mold and the second mold; a step of partially heating the first portion and the second portion by the heater; a step of evacuating the heater; a step of welding the first portion and the second portion; and a step of extracting the resin molding product including the first portion and the second portion.

Abstract: To provide a material for an organic EL device that is excellent in hole injection and transport abilities, electron blocking ability, thin film stability, and durability, as a material for an organic EL device with high efficiency and high durability, and also to provide an organic EL device having a high efficiency, a low driving voltage, and a long lifetime by combining the material with various materials for an organic EL device that is excellent in hole and electron injection and transport abilities, electron blocking ability, thin film stability, and durability. An organic electroluminescent device comprising at least an anode, a hole transport layer, a light emitting layer, an electron transport layer and a cathode in this order, wherein the hole transport layer comprises a carbazole compound of the following general formula (1), and the light emitting layer comprises a blue light emitting dopant.

Abstract: A dye for hair coloration that has a long shelf life and is excellent in heat resistance, and a method for producing the dye for hair coloration, are provided. A dye for hair coloration represented by the following general formula (1), the dye for hair coloration having a proportion of a polyatomic anion (An) or impurities derived from An of 1% by mass or less: wherein in the formula (1), D represents a cationic moiety of the dye for hair coloration; An represents a polyatomic anion; and a and b each independently represent a value of 0 to 1.

Abstract: A dye for hair coloration that has a long shelf life and is excellent in heat resistance, and a method for producing the dye for hair coloration, are provided. A dye for hair coloration represented by the following general formula (1), the dye for hair coloration having a proportion of a polyatomic anion (An) or impurities derived from An of 1% by mass or less: wherein in the formula (1), D represents a cationic moiety of the dye for hair coloration; An represents a polyatomic anion; and a and b each independently represent a value of 0 to 1.

Abstract: The present invention provides an organic EL device having at least an anode, a first hole transport layer, a second hole transport layer, a luminous layer, an electron transport layer, and a cathode in this order, wherein the second hole transport layer contains an arylamine compound represented by the following general formula (1), and the electron transport layer contains a pyrimidine derivative represented by the following general formula (2). The organic EL device of the present invention has a high efficiency, and is driven at a low driving voltage. Further, it has a particularly long lifetime.

Abstract: There is provided a compound represented by the following general formula (1). [Chem. 1] (X)(Z)??(1) (in which, X represents a basic dye having at least one amino group having 0 to 20 carbon atoms which may have a substituent, and Z represents a non-coloring anion including an amino acid.

Abstract: There is provided a compound represented by the following general formula (1). [Chem. 1] (X)(Z) ??(1) (in which, X represents a basic dye having at least one amino group having 0 to 20 carbon atoms which may have a substituent, and Z represents a non-coloring anion including an amino acid.

Abstract: To provide a material for an organic EL device that is excellent in hole injection and transport abilities, electron blocking ability, thin film stability, and durability, as a material for an organic EL device with high efficiency and high durability, and also to provide an organic EL device having a high efficiency, a low driving voltage, and a long lifetime by combining the material with various materials for an organic EL device that is excellent in hole and electron injection and transport abilities, electron blocking ability, thin film stability, and durability. An organic electroluminescent device comprising at least an anode, a hole transport layer, a light emitting layer, an electron transport layer and a cathode in this order, wherein the hole transport layer comprises a carbazole compound of the following general formula (1), and the light emitting layer comprises a blue light emitting dopant.

Abstract: To provide an organic compound having a high electron injection/transport performances, an excellent hole blocking ability, and a stable thin-film state, as a material for organic electroluminescent devices with high efficiency and high durability, and also to provide an organic electroluminescent device having a high efficiency and high durability by using the compound. An organic electroluminescent device comprising a pair of electrodes, and one or more organic layers sandwiched between the pair of electrodes, wherein the compound having a benzazole ring structure of the general formula (1) is used as a constituent material of at least one organic layer.

Abstract: The present invention provides an organic EL device having at least an anode, a first hole transport layer, a second hole transport layer, a luminous layer, an electron transport layer, and a cathode in this order, wherein the second hole transport layer contains an arylamine compound represented by the following general formula (1), and the electron transport layer contains a pyrimidine derivative represented by the following general formula (2). The organic EL device of the present invention has a high efficiency, and is driven at a low driving voltage. Further, it has a particularly long lifetime.

Abstract: In the organic electroluminescent device having at least an anode, a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer and a cathode in this order, the hole injection layer includes an arylamine compound of the following general formula (1) and an electron acceptor. In the formula, Ar1 to Ar4 may be the same or different, and represent a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a substituted or unsubstituted condensed polycyclic aromatic group.

Abstract: According to the present invention, there are provided a benzofuroindole derivative represented by the following general formula (1); and an organic EL device comprising a pair of electrodes and at least one organic layer sandwiched therebetween, wherein the above derivative is used as a constituent material for the at least one organic layer. The benzofuroindole derivative of the present invention is useful as a constituent material for a hole injection layer, a hole transport layer, an electron blocking layer or a luminous layer of an organic EL device. It has excellent electron blocking capability, is stable in a thin film state, and excels in heat resistance. Thus, the organic EL device of the present invention, prepared using such a benzofuroindole derivative, is high in luminous efficiency and power efficiency, thereby lowering the practical driving voltage of the device. The device can also lower light emission starting voltage, and improve durability.