Abstract:
A light emitting device includes a board and a light emitting element mounted on the board, emitting light having a wavelength of 250 nm to 500 nm. A red fluorescent layer is formed on the element and includes a red phosphor (M1−x1Eux1)aSibAlOcNd having a semicircular shape with a radius r, where M is an element that is selected from IA group elements, IIA group elements, IIIA group elements, IIIB group elements except Aluminum, rare-earth elements, and IVB group elements. An intermediate layer is formed on the red fluorescent layer, being made of transparent resin, having a semicircular shape with a radius D; and a green fluorescent layer is formed on the intermediate layer, including a green phosphor, having a semicircular shape. A relationship between the radius r and the radius D is 2.0r(μm)≦D≦(r+1000)(μm).
Abstract:
A light emitting device according to embodiments has: a substrate; first light emitting units arranged along a first straight line on the substrate; second light emitting units arranged along a second straight line on the substrate, the second straight line being parallel to the first straight line, the second light emitting units having an emission color different from the first light emitting units; and third light emitting units arranged along a third straight line on the substrate, the third straight line being parallel to the first and second straight lines, the third light emitting units having an emission color different from the first and second light emitting units, wherein a distance between light emitting units of a same emission color is longer than a minimum distance between light emitting units of different emission colors.
Abstract:
A light emitting device of embodiments is provided with a light-emitting element emitting excitation light of a first wavelength, a first phosphor layer containing a first phosphor that converts the excitation light into first converted light of a second wavelength longer than the first wavelength, a second phosphor layer provided between the light-emitting element and the first phosphor layer, receiving the excitation light, and containing a second phosphor that converts the excitation light into second converted light of a third wavelength longer than the second wavelength, and a filter layer provided between the first phosphor layer and the second phosphor layer and constituted of a two-dimensional photonic crystal or a three-dimensional photonic crystal that transmits the excitation light and the second converted light and reflects the first converted light.
Abstract:
A gas spring in which the piston rod is connected to a piston with a through-hole bored therethrough which is disposed in the cylinder filled with high pressure gas and oil and the spring action is effected by axial movement of the piston rod, characterized in that, when the piston rod is fully pushed into the cylinder, the oil reservoir formed within the cylinder is closed, yielding an ample sealing effect; and when the piston rod is fully pulled out of the cylinder, the high pressure gas can be filled along the piston rod into the cylinder without being hindered by the oil in the cylinder.
Abstract:
According to one embodiment, the luminescent material shows a luminescence peak in a wavelength range of 570 to 670 nm when excited with light having an emission peak in a wavelength range of 250 to 520 nm. The luminescent material includes a host material having a crystal structure substantially same as the crystal structure of Sr2Si7Al3ON13. The host material is activated by Eu, and includes Sr and Ca to satisfy a relationship of 0.008≦MCa/(MSr+MCa)≦0.114, where MCa is a number of moles of Ca and MSr is a number of moles of Sr.
Abstract translation:根据一个实施方案,发光材料在具有在250至520nm的波长范围内的发光峰的光激发时,显示在570至670nm的波长范围内的发光峰。 发光材料包括具有与Sr 2 Si 7 Al 3 ON 13的晶体结构基本相同的晶体结构的主体材料。 主体材料由Eu活化,包括Sr和Ca,以满足0.008&nlE的关系; MCa /(MSr + MCa)≦̸ 0.114,其中MCa是Ca的摩尔数,MSr是Sr的摩尔数 。
Abstract:
A white light emitting device according to an embodiment includes: a light emitting element having a peak wavelength in a wavelength range of 430 nm or more and 470 nm or less; a first fluorescent material emits light with a first peak wavelength of 525 nm or more and 560 nm or less; a second fluorescent material emits light with a second peak wavelength longer than the first peak wavelength; and a third fluorescent material emits light with a third peak wavelength of 620 nm or more and 750 nm or less, which is longer than the second peak wavelength. The first fluorescent material and the second fluorescent material has a composition of MSiαOβNγ, and when the first peak wavelength is denoted by λ1 (nm), whereas the second peak wavelength is denoted by λ2 (nm), 1100≦λ1+λ2 and λ2−λ1≦60 are satisfied.
Abstract:
An object of the present invention is to provide baked confectionery that can be made on an industrial scale, and are sufficiently shapable even when using an oligosaccharide having physiological functions, such as decay resistance, the effect of promoting bifidobacterium growth, the effect of improving the metabolism of lipids such as cholesterol, the effect of regulating immunity, and the effect of inhibiting a rise in blood sugar level. According to the present invention, there is provided baked confectionery comprising flour, a saccharide comprising 1-kestose, and an oil and fat comprising a water-containing oil and fat; and a method for producing such baked confectionery.
Abstract:
A light source includes: a light source system includes: a light source unit producing a first pulsed light beam having a plurality of frequency components; a splitter splitting the first pulsed light beam into second and third pulsed light beams; a first photonic crystal fiber converting the split second pulsed light beam into a wider bandwidth; a second photonic crystal fiber converting the split third pulsed light beam into a wider bandwidth; a first adjuster adjusting a spectrum of the second pulsed light beam converted into the wider bandwidth; a phase adjuster matching phases of the second and third pulsed light beams converted into the wider bandwidth; and a superimposing unit superimposing the second pulsed light beam having the adjusted spectrum and the third pulsed light beam converted into the wider bandwidth.
Abstract:
A rockingly movable chair includes a leg portion, a seat portion mounted on the leg portion and a circular arc surface provided on either of the leg portion or the seat portion for cooperating with an element which is provided on the other of the leg portion or the seat portion and which is displaceable along the circular arc surface so that the seat portion can rockingly move relative to the leg portion. A spring is provided between the leg portion and the seat portion to bias the seat portion with respect to the seat portion in one direction during the rocking movement. A locking device is provided to lock the rocking movement at a desired position.