Abstract: An optical device is provided which does not need a collimate lens, and which has a high available efficiency of light. The optical device includes a light source unit 1 emitting light with a wavelength ?, and an optical element 2 with a concavo-convex structure including periodical lenses. When n is a natural number equal to or greater than 1, and the size of a k-th (where k is a natural number equal to or greater than 1) pitch from the smallest one among the pitches of the concavo-convex structure is Pk, a distance L1 between the light source unit and the optical element satisfies the following formula 1 for equal to or greater than any one pitch Pk. ( n - 0 . 1 ) ? P k 2 2 ? ? ? L 1 ? ( n + 0 .

Abstract: A lens and an optical system device are provided which can measure optical characteristics of a light source or an optical element with a simple structure. A lens 1 has an optical axis, and includes an incident surface F and an emit surface B. The incident surface F and the emit surface B are formed so as to emit incident light to the incident surface F from a first position O at an irradiation angle ? relative to the optical axis from the emit surface B at an emit angle ?/m (where m>1) relative to the optical axis by refraction at the incident surface F and at the emit surface B, and formed in such a way that apparent positions of lights emitted from the emit surface B all begin from a second position P. Moreover, an optical system device includes the lens 1 and a diffuser panel that diffuses emitted light from the lens 1.

Abstract: A semiconductor light emitting device includes a light extraction layer having a light extraction surface. The light extraction layer includes: a plurality of cone-shaped parts formed in an array on the light extraction surface, and a plurality of granular parts formed both on a side part of the cone-shaped part and in a space between adjacent cone-shaped parts. A method of manufacturing the semiconductor light emitting device includes: forming a mask having an array pattern on the light extraction layer; and etching the mask and the light extraction layer from above the mask. The etching includes first dry-etching performed until an entirety of the mask is removed and second dry-etching performed to further dry-etch the light extraction layer after the mask is removed.

Abstract: The present disclosure provides an imprinting device and an imprinting method. The present disclosure also provides a stamp comprising a resin-made molding component.

Abstract: A semiconductor light emitting device includes a light extraction layer having a light extraction surface. Multiple cone-shaped parts formed in an array are provided on the light extraction surface. The cone-shaped part has a first portion having a first angle of inclination of a side surface and a second portion having a second angle of inclination of a side surface smaller than the first angle. The second portion is closer to an apex of the cone-shaped part than the first portion and has a larger height than the first portion.

Abstract: An optical device including at least a part of a rotation body acquired by rotating a reference plane shape or a parallelly shifted body acquired by parallelly shifting the reference plane shape, the reference plane shape including an incidence portion allowing light from a predetermined site to enter, an emit portion that reflects the light which has traveled through the incidence portion and which is directly irradiated and a first reflection portion that reflects the reflected light by the emit portion toward the emit portion. The reference plane shape may include a second reflection portion that reflects the light which has traveled through the incidence portion and which is directly irradiated to the emit portion. An optical system apparatus includes a light source placed at the predetermined site.

Abstract: A roller-type depressing device, an imprinting device, and a roller-type depressing method which are capable of suppressing an uneven elastic deformation of a main roller, and which are also capable of depressing an object uniformly. A roller-type depressing device depresses an object, and includes a main roller having at least a surface formed of an elastic material, and depressing the object, a roller moving unit moving the main roller relative to the object, a pressure adjusting unit adjusting pressure applied to the object by the main roller, a pressure receiving stage receiving the pressure from the main roller via the object, an intermediate roller having at least a surface formed of a material with a larger elastic modulus than the elastic material, and supporting the main roller, and, a backup roller formed shorter in an axial direction than the main roller and the intermediate roller, and supporting the intermediate roller.

Abstract: A roller-type depressing device that can depress an object like a die or a molding target by controlling the pressure of a roller, an imprint device, and a method utilizing the same are provided. A roller-type depressing device depresses an object like a die or a molding target by a main roller, and includes a pressure adjusting plate, a roller moving unit that moves the main roller relative to the object, a pressure adjusting unit that holds the pressure adjusting plate so that force produced by a pressure difference in fluid applied to both faces of the pressure adjusting plate acts on the main roller, a pressure receiving stage receiving pressure of the main roller, a pressure adjuster that adjusts the pressure difference in fluid applied to both faces of the pressure adjusting plate, and a pressure equalizer that equalizes pressure applied to the object by the main roller.

Abstract: An imprint device and an imprint method which form mold patterns on both surfaces of a molding target. An imprint device transfers mold patterns on both surfaces of a molding target using flexible first and second dies and includes first and second casings which each apply pressure of first and second pressurizing rooms respectively, to the first and second dies respectively and the molding target, a pressurizer that adjusts the pressures of the pressurizing rooms, first and second moving units that move the first and second dies respectively and the molding target in a direction coming close to or distant from each other, a depressurizer that depressurizes a depressurizing room formed between the first and second casings, and eliminates fluids present between the dies and the molding target, and a pressure adjuster that adjusts pressures to reduce pressure differences between the depressurizing room and the pressurizing rooms.

Abstract: An optical component capable of sufficiently reducing reflection of light by controlling a change in refractive index, even if incident angle of light varies. An optical component includes a base, a moth-eye structure with predetermined concavities and convexities, and at least one buffer layer provided between the base and the moth-eye structure. A change in refractive index between the base and a medium is adjusted by the buffer layer and the moth-eye structure.

Abstract: A roller-type depressing device, an imprint device and an imprint method utilizing the same which can depress an object like a die or a molding target by controlling the depressing force of a roller is provided. A roller-type depressing device to depress the object with a roller includes a pressure adjusting plate provided with the roller, a roller moving unit moving the roller relative to the object, a pressure adjusting unit holding the pressure adjusting plate in such a way that force produced by a pressure difference in fluid applied to both faces of the pressure adjusting plate acts on the roller, a pressure receiving stage receiving the pressure of the roller via the object, and a pressure adjuster adjusting the pressure difference in fluid applied to both faces of the pressure adjusting plate.

Abstract: A shaping method and a shaping device are provided which can easily and inexpensively form a curved face in a film including a micropattern. A shaping method is for forming, in a predetermined shaping-target area of a film including a patterned face with a micropattern, and a rear face opposite to the patterned face, a curved face beyond the thickness of the film, and includes a fixing step for fixing an outer edge of the shaping-target area of the film by fixing means, a first heating step for heating the film 20 by heating means 95, and a pressure adjusting step for producing a predetermined pressure difference between both faces of the film by the pressurizing means in such a way that pressure at a side where the film is fixed in the fixing step becomes small to form a pre-curved face.

Abstract: An imprinting device to transfer the mold pattern on a die to a molding target includes a casing forming a pressure-adjusting chamber, a stage supporting the die and the molding target, a frame encircling a circumference of the stage, first moving means moving the casing and the stage in a direction coming close to each other or becoming distant from each other, second moving means moving the casing and the frame in a direction coming close to each other or becoming distant from each other, pressure-adjusting means that adjusts the pressure of a fluid in the pressure-adjusting chamber, and decompression means which decompresses a decompression chamber formed by the stage, a frame, and the die or the molding target, and which eliminates a fluid present between the die and the molding target.

Abstract: A cyclic-olefin-based thermoplastic resin for thermal imprint to be used in the production of a sheet or a film which contains at least one of skeletons represented by the following chemical equation 1 or the following chemical equation 2 in a main chain. The glass transition temperature Tg (° C.) and the value ([M]) of MFR at 260° C. satisfy the following equation 1, and [M]<30. The thermal imprint characteristics (transferability, mold release characteristic, and the like) are superior and the productivity (throughput) is improved.

Abstract: A roller-type depressing device, an imprint device and an imprint method utilizing the same which can depress an object like a die or a molding target by controlling the depressing force of a roller is provided. A roller-type depressing device to depress the object with a roller includes a pressure adjusting plate provided with the roller, a roller moving unit moving the roller relative to the object, a pressure adjusting unit holding the pressure adjusting plate in such a way that force produced by a pressure difference in fluid applied to both faces of the pressure adjusting plate acts on the roller, a pressure receiving stage receiving the pressure of the roller via the object, and a pressure adjuster adjusting the pressure difference in fluid applied to both faces of the pressure adjusting plate.

Abstract: An imprinting device to transfer the mold pattern on a die to a molding target includes a casing forming a pressure-adjusting chamber, a stage supporting the die and the molding target, a frame encircling a circumference of the stage, first moving means moving the casing and the stage in a direction coming close to each other or becoming distant from each other, second moving means moving the casing and the frame in a direction coming close to each other or becoming distant from each other, pressure-adjusting means that adjusts the pressure of a fluid in the pressure-adjusting chamber, and decompression means which decompresses a decompression chamber formed by the stage, a frame, and the die or the molding target, and which eliminates a fluid present between the die and the molding target.

Abstract: An imprinting device is provided which is capable of using small an opening/closing device even when a transfer area increases. The imprinting device that transfers a molding pattern of a die to a molding target includes a pressurization unit that includes a pressurization chamber to pressurize the die and the molding target by a fluid, a stage that supports the die and the molding target pressurized by the pressurization unit, a pressurization device for adjusting the pressure of the fluid inside the pressurization chamber, an opening/closing device for relatively moving the pressurization unit and the stage, and a securing tool that secures the pressurization unit and the stage so as to prevent or suppress an application of force generated by the pressurization unit to the opening/closing device.

Abstract: A resin for thermal imprint include a cyclic-olefin-based thermoplastic resin that contains at least one of skeletons represented by the following chemical equation 1 or the following chemical equation 2 in a main chain. The glass transition temperature Tg (° C.) and the value ([M]) of MFR at 260° C. satisfy the following equation 1, and [M]>10. The thermal imprint characteristics (transferability, mold release characteristic, and the like) are superior and the productivity (throughput) is improved. Tg(° C.

Abstract: A screening method for a substance acting on a maintenance of the epithelial properties of cells which enables obtainment of highly-reliable data quickly at low costs is provided. The screening method includes (a) a step for culturing cells on a cell culture substrate that can form a spheroid, (b) a step for causing the cells to contact a test substance, and (c) a step for evaluating an effect of the test substance acting on a maintenance of the epithelial properties of the cells with a change in a morphology of the spheroid being as an indicator. In this case, the step (c) can carry out an evaluation through a measurement of the number of spheroids in a predetermined size or a measurement of the hypoxic areas in the spheroid.

Abstract: A resin for thermal imprint include a cyclic-olefin-based thermoplastic resin that contains at least one of skeletons represented by the following chemical equation 1 or the following chemical equation 2 in a main chain. The glass transition temperature Tg (° C.) and the value ([M]) of MFR at 260° C. satisfy the following equation 1, and [M]>10. The thermal imprint characteristics (transferability, mold release characteristic, and the like) are superior and the productivity (throughput) is improved. Tg(° C.