Abstract: A polyaniline/carbon composite composed of polyaniline or its derivative combined with a carbonaceous material, in which polyaniline/carbon composite, the polyaniline or its derivative is a conductive polyaniline or its derivative dispersed in a non polar organic solvent is undoped. This polyaniline/carbon composite is capable of providing an active substance for a polarizable electrode and the polarizable electrode is capable of providing an electric double-layer capacitor having a high electrostatic capacity, an excellent electric charge-discharge characteristics and an excellent cycle characteristics.

Abstract: A method for producing a conductive polyaniline comprising oxidative polymerizing aniline or its derivative in the presence of at least one member of a sulfonic acid compound and a water-insoluble organic polymer compound having protonic acid group in a mixed layer composed of an aqueous layer and organic layer, during which it establishes the presence of a molecular weight adjusting agent and, optionally, a phase transfer catalyst so as to stably disperse them in an organic solvent, and an organic polymer composition containing the conductive polyaniline.

Abstract: A method for producing a conductive polyaniline comprising oxidative polymerizing aniline or its derivative in the presence of at least one member of a sulfonic acid compound and a water-insoluble organic polymer compound having protonic acid group in a mixed layer composed of an aqueous layer and organic layer, during which it establishes the presence of a molecular weight adjusting agent and, optionally, a phase transfer catalyst so as to stably disperse them in an organic solvent, and an organic polymer composition containing the conductive polyaniline.

Abstract: A light-emitting device of the present invention includes: a light-emitting element; and a phosphor layer containing phosphors that absorb light from the light-emitting element and wavelength-convert the absorbed light to emit light. The phosphor layer has a structure in which the phosphors are disposed on an applied adhesive with a thickness equal to or less than an average particle size of the phosphors. A thickness of the phosphor layer is equal to or less than five times the average particle size of the phosphors, and an occupancy ratio of the phosphors in the phosphor layer is 50% or more. Further, the phosphors disposed on the adhesive has an adjusted particle size.

Abstract: A method for producing a conductive polyaniline comprising oxidative polymerizing aniline or its derivative in the presence of at least one member of a sulfonic acid compound and a water-insoluble organic polymer compound having protonic acid group in a mixed layer composed of an aqueous layer and organic layer, during which it establishes the presence of a molecular weight adjusting agent and, optionally, a phase transfer catalyst so as to stably disperse them in an organic solvent, and an organic polymer composition containing the conductive polyaniline.

Abstract: A polyaniline/carbon composite composed of polyaniline or its derivative combined with a carbonaceous material, in which polyaniline/carbon composite, the polyaniline or its derivative is a conductive polyaniline or its derivative dispersed in a non polar organic solvent is undoped. This polyaniline/carbon composite is capable of providing an active substance for a polarizable electrode and the polarizable electrode is capable of providing an electric double-layer capacitor having a high electrostatic capacity, an excellent electric charge-discharge characteristics and an excellent cycle characteristics.

Abstract: A light-emitting device includes: a light-emitting element whose main emission wavelength is 410 nm or less; and one phosphor layer or more stacked to cover a light-emitting surface of the light-emitting element and containing phosphors that absorb light from the light-emitting element and wavelength-convert the absorbed light to emit light.

Abstract: An electrode for an electric double layer capacitor including a current collector electrode and an active substance carried on the current collector electrode, wherein the active substance is composed of a carbon-based fiber and a conductive polymer fiber formed by the electrospinning method, whereby a high capacity capacitor electrode having of a larger specific surface area than a conventional capacitor electrode and an electric double layer capacitor using the same is provided.

Abstract: A method for producing a conductive polyaniline comprising oxidative polymerizing aniline or its derivative in the presence of at least one member of a sulfonic acid compound and a water-insoluble organic polymer compound having protonic acid group in a mixed layer composed of an aqueous layer and organic layer, during which it establishes the presence of a molecular weight adjusting agent and, optionally, a phase transfer catalyst so as to stably disperse them in an organic solvent, and an organic polymer composition containing the conductive polyaniline.

Abstract: A polyaniline/porous carbon composite composed of a conductive polyaniline or the derivative thereof dispersed, in a doped state, in a non-polar organic solvent and a porous carbonaceous material and an electric double layer capacitor having a superior conductivity and a high electrostatic capacity without using a binder using the same.

Abstract: An electrolyte for a photovoltaic device including (i) a layered clay mineral and/or an organically modified layered clay mineral and (ii) an ionic liquid as well as a photovoltaic device including a photoelectrode including a transparent conducting layer and a metal oxide semiconductor mesoporous film using, as an electrolyte layer, the same, a counter electrode facing this photoelectrode and an electrolyte layer arranged between the photoelectrode and the counter electrode as well as a dye-sensitized solar cell composed of a photovoltaic device and a photosensitizer carried on a metal oxide semiconductor mesoporous film of the photovoltaic device, wherein the conductive substrate is obtained by coating, on a conductive substrate, a conductive polyaniline dispersion stably dispersed in an organic solvent including (A) a polyaniline obtained by polymerization of aniline or an aniline derivative, (B) a sulfonic acid compound and/or (C) an organic polymer having a protonic acid group, (D) a molecular weight mod

Abstract: A light emitting device 10 includes: a lead frame 12a serving as a mounting portion having a cup 13; a light emitting element 14, mounted on the bottom face 13a of the cup, for emitting light having a predetermined peak wavelength; a layer of large phosphor particles 16, absorbed and formed on the light emitting element, for absorbing light emitted from the light emitting element and for emitting light having a longer peak wavelength than that of the light emitted from the light emitting element; small phosphor particles 18, which have a smaller particle diameter than that of the large phosphor particles, for absorbing at least one of light emitted from the large phosphor particles and light emitted from the light emitting element and for emitting light having a longer peak wavelength than that of the at least one of the light emitted from the large phosphor particles and the light emitted from the light emitting element; and a sealing member 20, in which the small phosphor particles are dispersed, for sealin

Abstract: A light emitting device 10 includes: a lead frame 12a serving as a mounting portion having a cup 13; a light emitting element 14, mounted on the bottom face 13a of the cup, for emitting light having a predetermined peak wavelength; a layer of first phosphor particles 16, absorbed and formed on the light emitting element, for absorbing light emitted from the light emitting element and for emitting light having a longer peak wavelength than that of the light emitted from the light emitting element; second phosphor particles 18 for absorbing at least one of light emitted from the first phosphor particles and light emitted from the light emitting element and for emitting light having a longer peak wavelength than that of the at least one of the light emitted from the first phosphor particles and the light emitted from the light emitting element; and a sealing member 20, in which the second phosphor particles are dispersed, for sealing the light emitting element and the layer of first phosphor particles in the cup

Abstract: A modified conductive polymer containing a conducting polymer chemically treated with a radical species, whereby an organic polymer composition having small variation in electrical resistance value and environmental dependency and exhibiting stable electrical characteristics and a conductive member using the same are provided.

Abstract: A method for producing a conductive polyaniline comprising oxidative polymerizing aniline or its derivative in the presence of at least one member of a sulfonic acid compound and a water-insoluble organic polymer compound having protonic acid group in a mixed layer composed of an aqueous layer and organic layer, during which it establishes the presence of a molecular weight adjusting agent and, optionally, a phase transfer catalyst so as to stably disperse them in an organic solvent, and an organic polymer composition containing the conductive polyaniline.

Abstract: An organically modified layered clay ionically bonded with an organic compound having an ammonium group and an amino group, an organic polymer composition containing the same and an organic polymer capable of reacting with the amino group, and an inner liner using the same.

Abstract: A rubber composition comprising (i) 100 parts by weight of a rubber and (ii) 10 to 180 parts by weight of a composite composed of an oxidative condensate obtained by oxidative condensation of a &pgr;-electron aromatic compound and carbon black and a pneumatic tire using the same as a tire tread.

Abstract: An organically modified layered clay ionically bonded with an organic compound having an ammonium group and an amino group, an organic polymer composition containing the same and an organic polymer capable of reacting with the amino group, and an inner liner using the same.

Abstract: A rubber composition comprising (i) 100 parts by weight of a rubber and (ii) 10 to 180 parts by weight of a composite composed of an oxidative condensate obtained by oxidative condensation of a &pgr;-electron aromatic compound and carbon black and a pneumatic tire using the same as a tire tread.

Abstract: Leadframe stock 12 with frame portions 10 on which leadframes 1A and 1B are supported by means of support bridges 11A and 11B, and concave reflector mirror stock 14 with frame portions 16 on which concave reflector mirror 7 is supported by means of support bridges 17 and which are provided with a glossy plate are made by blanking or etching metal sheets and press forming which is applied to make the concave reflector mirror stock 14; the two stocks are made integral by joining their respective frame portions; the essential parts of the stocks including an LED chip and the concave reflector mirror 7 are molded with light-transmissive resin 2 such that they are completely buried in the resin; the support bridges 11A, 11B and 17 are then cut off to sever the individual frame portions to produce a reflecting LED lamp apparatus that is rigid, highly resistant to heat and commercially available at low cost.