Abstract: An optical element includes: an optical element substrate; a first light shielding film that covers a non-optical path portion of the optical element substrate; a functional film that covers an optical path portion of the optical element substrate and the first light shielding film; and a second light shielding film that covers a non-optical path portion of the functional film, in which a region of the functional film which is not covered with the second light shielding film is transparent and has a uneven structure, and a region of the functional film which is covered with the second light shielding film has light reflecting properties. As a result, the optical element such as a lens is provided in which flare characteristics are excellent, and ghosting does not occur.

Abstract: The antireflection film is provided on a surface of a light-transmitting substrate and includes a thin multi-layer film and a fine unevenness layer that are laminated in this order from the substrate side. The thin multi-layer film includes multiple layers. The fine unevenness layer has a structure in which an uneven structure having a shorter average pitch than a wavelength of used light is provided and in which a refractive index to the used light changes continuously depending on a continuous change in a space occupation of the uneven structure in a thickness direction of the thin multi-layer film. The multiple layers include: an oxide film having a relatively high refractive index that is formed of at least two metal elements or is formed of silicon and at least one metal element; and an oxynitride film having a relatively low refractive index.

Abstract: The optical member includes: a transparent substrate; and an antireflection film that is formed on surface, in which the antireflection film includes a fine unevenness layer and an interlayer, the fine unevenness layer includes an alumina hydrate as a major component and has a uneven structure having a shorter distance between convex portions than a wavelength of antireflection target light, the interlayer is disposed between the fine unevenness layer and the transparent substrate, a peak value of spatial frequency of the uneven structure in the fine unevenness layer is higher than 6.5 ?m?1, and the interlayer includes at least three layers alternately including a low refractive index layer and a high refractive index layer.

Abstract: [It is an object] to provide an organic electroluminescent element having a transparent electrode, with which there is no need to produce a separate light extraction layer, [which can be produced by] a simple film formation process, and which is advantageous in terms of cost. [This is] an organic electroluminescent element in which a substrate, a first transparent electrode that is adjacent to this substrate, an organic layer including at least one organic light-emitting layer, a second transparent electrode, a low refractive-index layer with a refractive index of 1.3 or less, and a reflector layer are formed in this order, with this organic electroluminescent element being such that the aforementioned first transparent electrode contains at least one type of transparent particle with a primary particle size of 0.5 ?m or more.

Abstract: A dielectric multilayer film is formed on one surface of a lens main body, a film including aluminum is formed on the other surface of the lens main body, the film including aluminum is immersed in hot water without immersing the dielectric multilayer film in the hot water, thereby changing the film including aluminum to a fine uneven structure film including an alumina hydrate as a main component, whereby a lens provided with antireflection functions on both surfaces is manufactured.

Abstract: One lens is provided with a functional film formed of a fine uneven structure film throughout an entire region including an edge portion of a lens surface facing the other lens, and a portion of the fine uneven structure film formed in the edge portion is filled with a flattening member and is thus flattened. The lens is disposed so as to be in contact with the other lens in the edge portion in which the flattening member is formed, thereby assembling a lens assembly.

Abstract: Provided is an organic electroluminescent device including, in an order mentioned: a reflective electrode; an organic electroluminescent layer; a light extraction layer; and a transparent substrate, wherein a ratio (w/d) is 9 or more where “d” denotes a total average thickness from the organic electroluminescent layer to the transparent substrate and “w” denotes a minimum width of a non-light-emitting region present outside of an outer periphery of an effective light-emitting region in the organic electroluminescent layer.

Abstract: Provided is an optical member, including: a substrate having an at least partially curved surface; a concave-convex structure at an outermost surface, the concave-convex structure being prepared by hydrothermal treatment of a layer formed by gas-phase deposition of at least one of simple aluminum and a compound containing aluminum on the substrate; and a dielectric layer formed by gas-phase deposition between the substrate and the concave-convex structure.

Abstract: An optical member includes a transparent substrate and an anti-reflection film. The anti-reflection film includes a refractive index gradient structure layer and an interference layer. A refractive index of the transparent substrate is different from a refractive index of the refractive index gradient structure layer on a side closest to the transparent substrate. A refractive index of the interference layer changes in the thickness direction, and has values which are discrete from both refractive indexes of the refractive index gradient structure layer and the transparent substrate at a boundary between the interference layer and the refractive index gradient structure layer and at a boundary between the interference layer and the transparent substrate, and a value thereof on a side close to the refractive index gradient structure layer is different from a value thereof on a side close to the transparent substrate.

Abstract: A first light-shied-coating formation step that forms a light shield coating only in a part of an area of a transparent-substrate in which a light shield coating is to be formed, a step that deposits an optical thin film including, as its outermost layer, a layer to be hydrothermally treated, which will become a fine uneven pattern coating by being hydrothermally treated, in an area in which an antireflection coating is to be formed, a second light-shield-coating formation step that forms a light shield coating in all of the area in which the light shield coating is to be formed, but the light shield coating was not formed in the first light-shield-coating formation step, and a step that forms the fine uneven pattern coating in the area in which the antireflection coating is to be formed by hydrothermally treating the layer to be hydrothermally treated are performed in this order.

Abstract: According to an exemplary embodiment of the present invention, there is provided a curable resin composition for forming an infrared reflective film with a refractive index ranging from 1.65 to 2.00, which is coatable with a film thickness of 50 nm to 250 nm.

Abstract: According to an exemplary embodiment of the present invention, there is provided a curable resin composition comprising a dye having a maximum absorption wavelength in a range of 600 nm to 820 nm, and being capable of forming a high refractive index layer with a refractive index ranging from 1.65 to 2.00.

Abstract: An antireflection film including a transparent thin film layer, and a transparent fine uneven layer whose main component is an alumina hydrate, which layers are formed in this order on a surface of a transparent substrate, is provided. The transparent thin film layer includes, in order from the transparent substrate side: an alumina layer; a water barrier layer which has a refractive index lower than the refractive index of the alumina layer and protects the alumina layer from water; and a flat layer whose main component is an alumina hydrate and whose refractive index is lower than the refractive index of the water barrier layer, and the water barrier layer has a thickness of 70 nm or less.

Abstract: An antireflection film including a transparent thin film layer, and a transparent fine uneven layer whose main component is an alumina hydrate, which layers are formed in this order on a surface of a transparent substrate, is provided. The transparent thin film layer has an intermediate refractive index between the refractive index of the transparent substrate and the refractive index of the fine uneven layer, and the transparent thin film layer includes at least a nitride layer or an oxynitride layer.

Abstract: A scintillator includes a plurality of columnar crystals. A surface protection film is made of poly-para-xylyene and covers a surface of the scintillator, and the front ends of the columnar crystals penetrate thereinto. A photoelectric conversion panel includes a glass substrate and an element unit formed on the glass substrate. The element unit includes a plurality of pixels, is disposed opposite to the front ends of the columnar crystals, and detects visible light which is emitted from the front ends and is transmitted through the surface protection film in a light receiving region of each pixel so as to be converted into electric charge. To improve an SN ratio, a penetration amount P of the front end into the surface protection film and an area A of the light receiving region of each pixel are set to satisfy a relationship of 0 m?1<P/A?1.4×103 m?1.

Abstract: In a surface emission-type semiconductor light-emitting element including a DBR layer, a variation in light intensity due to a temperature change in the formation of a large number of elements manufactured from one wafer is suppressed while maintaining a light intensity enhancement effect. In the semiconductor light-emitting element that outputs emitted light having a predetermined emission peak wavelength ?, including at least a substrate 10, a lower distributed Bragg reflective layer 12 provided on the substrate 10, and a light-emitting layer 20 provided on a lower distributed Bragg reflective layer 12, the light-emitting layer 20 includes one or more sets of two active layers 22 arranged at a distance of (1+2m)?/4n in an inactive layer 21, ?, is the emission peak wavelength, n is a refractive index of the light-emitting layer 20, and m is an integer of 0 or greater.

Abstract: [Problem] To provide an organic electroluminescent device that is excellent in external extraction efficiency of emitted light and able to attain reduced power consumption and prolonged service life. [Solution] An organic electroluminescent device including, in an order mentioned: a reflective electrode; an organic electroluminescent layer; a transparent substrate; and a light-extracting unit, wherein the light-extracting unit contains a light-extracting member and a light distribution-converting member. In one preferable embodiment, the light-extracting member and the light distribution-converting member are each a prism, a prism array, a lens, a lens array, a fine concavo-convex structure or a fine particle layer.

Abstract: Provided is an organic electroluminescent device including, in an order mentioned: a reflective electrode; an organic electroluminescent layer; a light extraction layer; and a transparent substrate, wherein a ratio (w/d) is 9 or more where “d” denotes a total average thickness from the organic electroluminescent layer to the transparent substrate and “w” denotes a minimum width of a non-light-emitting region present outside of an outer periphery of an effective light-emitting region in the organic electroluminescent layer.

Abstract: Provided is an optical member, including: a substrate having an at least partially curved surface; a concave-convex structure at an outermost surface, the concave-convex structure being prepared by hydrothermal treatment of a layer formed by gas-phase deposition of at least one of simple aluminum and a compound containing aluminum on the substrate; and a dielectric layer formed by gas-phase deposition between the substrate and the concave-convex structure.

Abstract: [It is an object] to provide an organic electroluminescent element having a transparent electrode, with which there is no need to produce a separate light extraction layer, [which can be produced by] a simple film formation process, and which is advantageous in terms of cost. [This is] an organic electroluminescent element in which a substrate, a first transparent electrode that is adjacent to this substrate, an organic layer including at least one organic light-emitting layer, a second transparent electrode, a low refractive-index layer with a refractive index of 1.3 or less, and a reflector layer are formed in this order, with this organic electroluminescent element being such that the aforementioned first transparent electrode contains at least one type of transparent particle with a primary particle size of 0.5 ?m or more.