Abstract: To provide an optical laminate that can sufficiently exhibit the function of a functional material such as an antistatic agent or fine particles in the obtained laminate without using a binder material for fixing the functional material to the substrate, as well as a method for manufacturing the same, there is obtained the optical laminate by step (A1) in which the substrate is coated with a composition (a) containing a solvent capable of swelling or dissolving the substrate and the functional material, step (A2) of drying, and step (A3) of forming a resin layer on the coated substrate.

Abstract: The present invention is to provide an optical film excellent in adhesion and hardness. An optical film comprising an optically-transparent substrate, an adhesion layer and a hard coat layer, the adhesion layer and the hard coat layer being provided in this order on one surface of the optically-transparent substrate, wherein the adhesion layer is made of a composition mainly comprising a resin of the same kind as a resin constituting the optically-transparent substrate, and a glass transition temperature of the adhesion layer is lower than that of the optically-transparent substrate, wherein the hard coat layer is formed of a cured product of a curable resin composition for the hard coat layer, and wherein a transition area, which has both components of the adhesion layer and the hard coat layer in a mixed state, resides between the adhesion layer and the hard coat layer.

Abstract: It is an object of the present invention to provide an improved optical layered body with reduced scintillation, gloss blackness, color effects and interference fringes, while maintaining antistatic and antiglare performance. The optical layered body comprises, in order, an antistatic layer, an antiglare layer and a low refractive index layer on a light-transmitting substrate, The antistatic layer is a thin resin layer containing antimony-doped tin oxide and a diffusion filler, and having a predetermined surface roughness on its surface.

Abstract: The main object of the present invention is to provide a photocatalyst composition and a photocatalyst containing layer showing a high activity in a short period of time, and a pattern formed body using the photocatalyst containing layer. To attain the object, the invention provides a photocatalyst composition containing at least a photocatalyst, characterized by including a portion with the signal intensity of the electron spin resonance spectrum derived from the hydroxy radical increased to 1,000 times or more in 1 second within 600 seconds of the start of the ultraviolet ray irradiation at the time of measuring the electron spin resonance spectrum while irradiating the ultraviolet ray.

Abstract: The object of the present invention is to provide a substrate for an organic EL element capable of forming an organic EL layer efficiently in a highly precise pattern in a short period of time, and an organic EL element having the preferable electric characteristics.

Abstract: The present invention provides a quantitative evaluation method of fouling of antifouling properties, a fouling evaluation apparatus, and a production method of optical members, which can be applied to various members, and haves high reproducibility and enable to detect a subtle difference between fouling, and an optical layered body having a property of preventing fingerprints from adhering, an anti-contamination property and a degree of recovery from fouling, and a display product including the optical layered body. The present invention pertains to an evaluation method of fouling, wherein light is radiated to a test sample and scattered light reflected off or passing through the test sample is detected to evaluate a degree of fouling of the surface of the test sample.

Abstract: The present invention provides an optical layered body having a good antistatic performance and good optical properties as well as an excellent durability. The present invention provides an optical layered body, comprising: an antistatic layer on a light-transmitting substrate, wherein the antistatic layer is a resin thin film layer containing at least an organic conductive material and a nonconductive polymeric material which is a resin having a glass transition temperature of 60° C. or higher or a resin obtainable by a reaction between a resin having a glass transition temperature of 60° C. or higher and a cross-linking agent.

Abstract: Provided is a method of producing a multilayer coating film, the method including the steps of: turning multiple coating liquids into multiple layers in advance; and transferring the coating liquids turned into multiple layers onto a substrate, in which a mixing-preventing component that prevents two kinds of coating liquids which contact each other from mixing with each other is added to at least one of the two kinds of coating liquids in advance, and molecules of the mixing-preventing component are localized toward a vicinity of an interface between layers of the coating liquids so that the interface between layers is secured. The production method includes producing a multilayer coating film having good interlayer adhesiveness with ease and good productivity, by collectively applying multiple coating liquids without using a gelling agent or the like for modifying the viscosity of each coating liquid to be laminated.

Abstract: Provided is a method of producing a multilayer coating film, including the steps of: turning multiple coating liquids into multiple layers in advance; and transferring the coating liquids turned into multiple layers onto a substrate, in which a coating liquid having the following characteristics is inserted as an intermediate layer between two kinds of coating liquids to be laminated so that the coating liquids are turned into multiple layers: the coating liquid contains both film-forming components in the two kinds of coating liquids, and a total concentration of the film-forming components is higher than a concentration of the film-forming component in each of the two kinds of coating liquids. The production method includes producing a multilayer coating film extremely excellent in interlayer adhesiveness with ease and good productivity, by collectively applying multiple coating liquids without using a gelling agent or the like for modifying the viscosity of each coating liquid to be laminated.

Abstract: It is an object of the present invention to provide a method for producing an optical layered body having a favorable self-adhesion property and recoatability as well as favorable antistatic performance in a simple manner. An optical layered body comprises: an antistatic layer on a light-transmitting substrate; and a hard coat layer on the antistatic layer, wherein the hard coat layer includes a penetration portion partially extending through the antistatic layer, and/or an impregnation portion partially extending through the antistatic layer and impregnating the light-transmitting substrate.

Abstract: It is a main object of the present invention to provide an optical layered body having an excellent antistatic property and adhesion. An optical layered body comprising an antistatic layer and a hard coat layer formed in sequence on a light transmitting substrate, wherein in the cross-sectional appearance of the layered body, the cross-section phase of the hard coat layer exists in the region of the light transmitting substrate via the antistatic layer from the hard coat layer.

Abstract: The invention provides an optical laminate comprising an optically transparent base and a silica particle-containing antiglare layer, wherein the silica particles have a dielectric constant of less than 4.0, which optical laminate is provided with excellent optical characteristics and with suitable aggregation of silica particles even when silica particles are present in the antiglare layer.

Abstract: The present invention provides a thiophene derivative useful for a material for forming an organic positive hole transport layer of an organic EL element excellent in light emitting efficiency, water resistance or the like, a polymer having the thiophene derivative as a monomer unit, and an organic EL element. The object can be solved by a thiophene derivative represented by the following formula (1), a polymer comprising the thiophene derivative, and an organic EL element, an organic positive hole transporting layer of which comprises the polymer: wherein, each “X” is a halogen atom, which may be same or different from each other; and “R” is an alkyl group.

Abstract: It is a principal object of the present invention to provide an optical layered body in which an additive amount of an antistatic agent causing high cost can be reduced, and a high antistatic property can be imparted simply and at a low cost. The present invention relates to an optical layered body comprising a light-transmitting substrate and at least a hard coat layer and a low refractive index layer, formed on the light-transmitting substrate, wherein 1) the low refractive index layer is formed on the outermost surface, and 2) the above low refractive index layer contains an antistatic agent.

Abstract: In a production process of a thin film laminate for constituting an organic EL element or the like, a thin film laminate is provided in which no water stays in a thin film formed of a hydrophilic material and, thus, the function of other thin films overlying the surface of the thin film, such as a luminescent layer, is not deteriorated. The thin film laminate comprises: a substrate; and, provided on the substrate in the following order, a first thin film and a second thin film. The first thin film is formed of a hydrophilic organic material. The hydrophilic organic material has hydrophilic groups which have been converted to lipophilic group. The lipophilic groups are partially or wholly returned to hydrophilic groups upon exposure to heat energy or a radiation. The second thin film is formed of a lipophilic organic material.

Abstract: In view of the above state of the art, it is an object of the present invention to provide an optical layered body which can prevent the agglomeration of silica particles and form the desired surface roughness on the surface. An optical layered body comprising a light-transmitting substrate and an antiglare layer having a surface roughness on its surface, wherein said antiglare layer is a resin layer containing an organic particle and a nonspherical silica, and a weight ratio of organic particle/nonspherical silica is from 1/10 to 60/10.

Abstract: This invention proposes an antistatic composition. The antistatic composition comprises an ionic liquid, which is liquid at room temperature, as an electrolyte and a resin.

Abstract: It is an object of the present invention to provide an optical layered body which improves an preventing scintillation property, gloss blackness, color reproducibility (preventing coloring and interference fringe) while maintaining antistatic performance and an antiglare property. An optical layered body comprising an antistatic layer, an antiglare layer and a low refractive index layer in an order on a light-transmitting substrate, wherein said antistatic layer is a resin thin layer containing antimony-doped tin oxide and a diffusion filler, and having surface roughness on its surface.

Abstract: A process of producing an electroluminescent element is provided. The production process comprises repeating at least twice a step of forming an electroluminescent layer comprising a buffer layer and a luminescent layer by patterning using a photolithographic process, thereby producing an electroluminescent element comprising a patterned electroluminescent layer. The method includes the steps of forming a first pattern part comprising a first buffer layer as the lowermost layer, and coating a solution for forming a second buffer layer in a region including the first pattern part. The first buffer layer is immiscible with the solution for forming the second buffer layer.

Abstract: A process of producing an electroluminescent element is provided. The production process comprises repeating at least twice a step of forming an electroluminescent layer comprising a buffer layer and a luminescent layer by patterning using a photolithographic process, thereby producing an electroluminescent element comprising a patterned electroluminescent layer. The method includes the steps of forming a first pattern part comprising a first buffer layer as the lowermost layer, and coating a solution for forming a second buffer layer in a region including the first pattern part. The first buffer layer is immiscible with the solution for forming the second buffer layer.