Abstract: A display device includes a light emitting element layer including a plurality of light emitting elements configured to output first color light, a color conversion layer on the light emitting element layer to receive the first color light, the color conversion layer being configured to convert the first color light so as to output at least two lights having colors different from each other, and a light collection layer between the light emitting element layer and the color conversion layer to collect the first color light, thereby providing the collected first color light to the color conversion layer. The light collection layer that collects the first color light may be disposed between the color conversion layer and the light emitting element layer to improve the light efficiency of the first color light outputted from the light emitting element layer, and also to prevent (or reduce) the colors from being mixed between the pixel areas, thereby improving the display quality.

Abstract: A closure and a container assembly are disclosed. The closure includes a first visual identifier and a second visual identifier, wherein the second visual identifier is different from the first visual identifier. The first visual identifier may be a first color, and the second visual identifier may be a second color. At least one of the first and/or second visual identifier may include a fluorescent compound having a characteristic fluorescent spectra. The first visual identifier and the second visual identifier may be provided on the annular skirt of the closure. The fluorescent compound may be provided on at least one of the closure and the container assembly and can be used to facilitate automated visualization of the fluorescent compound under fluorescence excitation light.

Abstract: To provide a quantum dot-containing resin sheet or film, a method for producing the same, and a wavelength conversion member that can, in particular, solve the problem of aggregation of the quantum dots and the problem with the use of a scattering agent, suppress a decrease in light conversion efficiency, and improve the light conversion efficiency of a resin molded product containing quantum dots. The quantum dot-containing resin sheet or film of the present invention includes a stack of a plurality of resin layers, at least one of the resin layers containing quantum dots, and the plurality of resin layers is integrally molded through co-extrusion.

Abstract: Provided is an aqueous coating composition capable of forming a coating film having superior metallic coating film appearance and coating film properties and reducing the amount of an organic solvent to be used. Also provided is a method for forming a metallic coating film using such an aqueous coating composition. Provided is an aqueous coating composition comprising a coating film-forming resin, a curing agent, a scaly pigment, an inorganic viscosity agent, a hydrophobic associative viscosity agent, and a dispersant, wherein the composition contains the inorganic viscosity agent in an amount of 1 to 7 parts by mass based on 100 parts by mass of the total resin solid content of the coating film-forming resin and the curing agent, and the composition contains the hydrophobic associative viscosity agent in an amount of 1 to 15 parts by mass based on 100 parts by mass of the total resin solid content of the coating film-forming resin and the curing agent.

Abstract: An inflatable sports ball is provided. The sports ball includes an interior bladder and a cover disposed about the interior bladder. The cover may include an outer substrate and an intermediate structure. The cover may further include an outer substrate surface, defined by the outer substrate, and a feature surface radially spaced apart from the outer substrate surface. Together the outer substrate surface and the feature surface cooperate to define an exterior surface of the cover. A mechanoluminescent material may be embedded in a portion of the cover. The mechanoluminescent material may be disposed at only one of the outer substrate surface and the feature surface, such that it is positioned to form a predetermined design on the cover. The mechanoluminescent material emits visible light in response to an externally-applied stress, such that the predetermined design illuminates when an external stress or mechanical stimulus is exerted upon the cover.

Abstract: A method produces a structured element by machining a workpiece with pulsed laser radiation, the workpiece including a workpiece material transparent to the laser radiation, the laser radiation being radiated into the workpiece from an entry side and, in an area of a rear side of the workpiece located opposite the entry side, being focused within the workpiece in a focus area such that workpiece material is removed in the focus area by multi-photon absorption, and includes bringing the rear side of the workpiece, at least in a machining area currently being machined around the focus area, into contact with a free-flowing liquid transparent to the laser radiation, wherein at least some of the liquid flows in a direction towards the machining area such that the liquid flows into the machining area at an angle of 60° or less to the rear side.

Abstract: The invention discloses environment-controlling fibers, method manufacturing the same and fabrics using the same, which adopts polyolefin material, optoelectronic material, thermoelectric material, piezoelectric material and catalyst material, to make fibers and fabric by melting, mixing, drawing and weaving. The fabrics are used in all kinds of environmental control products or for organic agriculture. To use green energy such as solar light energy, solar thermal energy, wind energy, hydro energy, geothermal energy and other renewable energy to stimulate the function of the special material within the fibers, so that the fabrics can remove pollutants in the environment and produce self-purification function to achieve the purpose of improving the environmental conditions or promote plant growth.

Abstract: Disclosed herein are a structure for optical analysis that is capable of optically analyzing a small amount of a sample and an ink composition for manufacturing the same. A structure for optical analysis includes a support and an ink structure coupled to the support and configured to form a chamber on one surface of the support. The ink structure includes a first ink structural component configured to form a body of the ink structure and a second ink structural component formed at a lower portion of a side surface of the first ink, such that the first ink structural component and the second ink structural component have different slopes with respect to a direction of a center of the chamber.

Abstract: A device includes a first structure with a sheet layer with a plurality of discrete through-holes and a second structure coupled to the first structure. At least a portion of a first surface of the sheet layer of the first structure is exposed from the second structure. A top portion of the sheet layer, including the exposed portion of the first surface of the sheet layer, includes fluorocarbon. The second structure includes a material of a higher surface tension than the top of the sheet layer. A second surface of the sheet layer, opposite to the first surface of the sheet layer, is embedded in the second structure. The second structure extends at least partially into the plurality of discrete through-holes of the first structure.

Abstract: A coated scintillator particle, a scintillator particle coated with a semiconducting photoactive material, a method for producing such scintillator particles, an x-ray detector, a gamma-ray detector, and a UV detector using such coated scintillator particles, a method for producing such x-ray detector, gamma-ray detector, or UV detector, and the use of the coated scintillator particles for detecting high-energy radiation, e.g., radiation, gamma radiation and/or x-rays, are disclosed.

Abstract: Electric sintering of precursor materials to prepare phosphor ceramics is described herein. The phosphor ceramics prepared by electric sintering may be incorporated into devices such as light-emitting devices, lasers, or for other purposes.

Abstract: Luminescent fibers, articles including the luminescent fibers, and methods of forming the luminescent fibers are provided herein. In an embodiment, a luminescent fiber includes a regenerated cellulose and a luminescent polycyclic compound. The luminescent polycyclic compound includes a heterocyclic ring. The heterocyclic ring includes two nitrogen atoms therein.

Abstract: Described herein are printable structures and methods for making, assembling and arranging electronic devices. A number of the methods described herein are useful for assembling electronic devices where one or more device components are embedded in a polymer which is patterned during the embedding process with trenches for electrical interconnects between device components. Some methods described herein are useful for assembling electronic devices by printing methods, such as by dry transfer contact printing methods. Also described herein are GaN light emitting diodes and methods for making and arranging GaN light emitting diodes, for example for display or lighting systems.

Abstract: The fluorescent substance according to the present disclosure emits luminescence with a peak in the wavelength range of 500 to 600 nm under excitation by light with a peak in the wavelength range of 250 to 500 nm, and has an optical absorption coefficient ?560nm of 4×10?5 or less at 560 nm. The substance is represented by the following formula (1): (M1-xCex)2yAlzSi10-zOuNw??(1). In the formula, M is a metal element selected from the group consisting of Ba, Sr, Ca, Mg, Li, Na and K; and x, y, z, u and w are variables satisfying the conditions of 0<x?1, 0.8?y?1.1, 2?z?3.5, u?1, 1.8?z?u and 13?u+w?15, respectively.

Abstract: Some phosphor powders can be difficult to form into ceramic compacts because they are difficult to sinter. As described herein, phosphor powders that can degrade under conventional sintering temperatures can be sintered by heating the powder at a lower temperature, such as less than 800° C., while the powder is under greater than atmospheric pressure, such as at least 0.05 GPa. Phosphor ceramic compacts prepared by this method, and light-emitting devices incorporating these phosphor ceramic compacts, are also described.

Abstract: A glass tube including quantum dots under oxygen-free conditions is described. An optical component and other products including such glass tube, a composition including quantum dots, and methods are also disclosed.

Abstract: According to one embodiment, the phosphor exhibits a luminescence peak in a wavelength ranging from 500 to 600 nm when excited with light having an emission peak in a wavelength ranging from 250 to 500 nm. The phosphor has a composition represented by (M1-xCex)2yAlzSi10-zOuNw (M represents Sr and a part of Sr may be substituted by at least one selected from Ba, Ca, and Mg; x, y, z, u, and w satisfy 0<x?1, 0.8?y?1.1, 2?z?3.5, 0<u?1, 1.8?z?u, and 13?u+w?15). The phosphor has a crystalline aspect ratio of 1.5 to 10.

Abstract: Disclosed herein are emissive ceramic materials having a dopant concentration gradient along a thickness of a yttrium aluminum garnet (YAG) region. The dopant concentration gradient may include a maximum dopant concentration, a half-maximum dopant concentration, and a slope at or near the half-maximum dopant concentration. The emissive ceramics may, in some embodiments, exhibit high internal quantum efficiencies (IQE). The emissive ceramics may, in some embodiments, include porous regions. Also disclosed herein are methods of make the emissive ceramic by sintering an assembly having doped and non-doped layers.

Abstract: A production method of a phosphor includes firing a starting material mixture in a nitrogen atmosphere at a temperature range between 1,500° C. inclusive and 2,200° C. inclusive. The starting material mixture is a mixture of metallic compounds, and is capable of constituting a composition including M, A, Al, O, and N (M is Eu; and A is one kind or two or more kinds of element(s) selected from C, Si, Ge, Sn, B, Ga, In, Mg, Ca, Sr, Ba, Sc, Y, La, Gd, Lu, Ti, Zr, Hf, Ta, and W) by firing.

Abstract: A ceramic conversion element includes a multiplicity of first regions and a multiplicity of second regions, wherein the first regions vitreous, ceramic or monocrystalline fashion, at least either the first regions or the second regions are columnar and have a preferred direction forming an angle of at most 45° with a normal to a main surface of the conversion element, the first regions convert electromagnetic radiation in a first wavelength range into electromagnetic radiation in a second wavelength range different from the first wavelength range, the second regions convert electromagnetic radiation in the first wavelength range into electromagnetic radiation in a third wavelength range different from the first and second wavelength ranges, wherein the second regions are formed by a resin into which phosphor particles are embedded.

Abstract: Disclosed herein are emissive ceramic elements having low amounts of certain trace elements. Applicants have surprisingly found that a lower internal quantum efficiency (IQE) may be attributed to specific trace elements that, even at very low amounts (e.g., 50 ppm or less), can cause significant deleterious effects on IQE. In some embodiments, the emissive ceramic element includes a garnet host material and an amount of Ce dopant. The emissive ceramic element may, in some embodiments, have an amount of Na in the composition less than about 67 ppm, an amount of Mg in the composition less than about 23 ppm, or an amount of Fe in the composition less than about 21 ppm.

Abstract: A scintillation device includes a free-standing ceramic scintillator body that includes a polycrystalline ceramic scintillating material comprising a rare earth element, wherein the polycrystalline ceramic scintillating material is characterized substantially by a cation-deficient perovskite structure. A method of producing a free-standing ceramic scintillator body includes preparing a precursor solution including a rare earth element precursor, a hafnium precursor and an activator (Ac) precursor, obtaining a precipitate from the solution, and calcining the precipitate to obtain a polycrystalline ceramic scintillating material including a rare earth hafnate doped with the activator and having a cation-deficient perovskite structure.

Abstract: A luminescent material can be formed by a process using a vacancy-filling agent that includes vacancy-filling atoms. In an embodiment, the process can include forming a mixture of a constituent corresponding to the luminescent material and the vacancy-filling agent. The process can further include forming the luminescent material from the mixture, wherein the luminescent material includes at least some of the vacancy-filling atoms from the vacancy-filling agent. In another embodiment, the process can include melting a constituent corresponding to the luminescent material to form a melt and adding a vacancy-filling agent into the melt. The process can also include forming the luminescent material from the melt, wherein the luminescent material includes at least some of the vacancy-filling atoms from the vacancy-filling agent. The luminescent material may have one or more improved performance properties as compared to a corresponding base material of the luminescent material.

Abstract: A solid-state linear lamp comprises a co-extruded component, the co-extruded component comprising a photoluminescent portion and a support body, where the photoluminescent portion is integrally formed with the support body. The co-extruded component is formed to comprise an interior cavity for receiving insertion of a substrate having one or more light emitters. The array of solid-state light emitters is configured to emit light into the elongate interior cavity.

Abstract: The invention relates to a high-strength luminescent cellulose synthetic fiber, which is produced by means of spin dyeing with a luminescent pigment and a dulling pigment.

Abstract: A storage phosphor panel can include an extruded inorganic storage phosphor layer including a thermoplastic polyolefin and an inorganic storage phosphor material, where the extruded inorganic storage phosphor panel has a DQE comparable to that of a traditional extruded inorganic solvent coated inorganic storage phosphor screen. Also disclosed is an inorganic storage phosphor detection system including an extruded inorganic storage phosphor panel that can include an extruded inorganic storage phosphor layer including a thermoplastic olefin and an inorganic storage phosphor material; and photodetector(s) coupled to the extruded inorganic storage phosphor panel to detect photons generated from the extruded inorganic storage phosphor panel.

Abstract: A spectral luminescence standard has bismuth in a light-transmissive inorganic matrix material and emits light in the near infrared region upon irradiation with excitation light. The bismuth acts as a luminescence emitter in the near infrared region. A method includes manufacturing such a spectral luminescence standard and a calibration medium which has the spectral luminescence standard in or on a carrier material.

Abstract: The embodiment of the present disclosure provides yellow luminescent substance having high luminous efficiency. This fluorescent substance is represented by the formula (1): (M1-xREx)2yAlzSi10-zOuNwCla??(1) (in the formula, M is at least one element selected from the group consisting of Ba, Sr, Ca, Mg, Li, Na and K), and it emits luminescence with a peak within 500 to 600 nm when excited by light of 250 to 500 nm.

Abstract: An inflatable membrane for use with a three-dimensional (3D) scanning system configured to measure signal intensity of a first and a second wavelength of light may include a matrix material, a pigment for opacity, and a fluorescent material that is transparent to the first and the second wavelengths of light. The first and second wavelengths of light may be ranges of wavelengths. The matrix material may include a silicone, and the pigment for opacity may include a carbon black. The 3D scanning system may be configured to scan anatomical cavities, such as the human ear canal.

Abstract: Disclosed herein is a method of increasing the luminescent efficiency of a translucent phosphor ceramic. Other embodiments are methods of manufacturing a phosphor translucent ceramic having increased luminescence. Another embodiment is a light emitting device comprising a phosphor translucent ceramic of one of these methods.

Abstract: The embodiment of the present disclosure provides a phosphor having such high luminous efficiency as to be capable of realizing a light-emitting device suffering less from color drift even when working with high power. This phosphor is a Ce-activated phosphor having a crystal structure of Sr2Si7Al3ON13, and emitting luminescence with a peak wavelength of 500 to 600 nm under excitation by light with a peak wavelength of 250 to 500 nm. The XRD profile of the phosphor measured with Cu—K? line radiation according to Bragg-Brendano method shows diffraction lines having the intensities I0 and I1 at diffraction angles 2?s in the ranges of 31.55-31.85° and 24.75-250.5°, respectively, on the condition that the ratio of I1/I0 is 0.24 or less.

Abstract: An oxynitride phosphor powder contains ?-SiAlON and aluminum nitride, obtained by mixing a silicon source, an aluminum source, a calcium source, and a europium source to produce a composition represented by a compositional formula: Cax1Eux2Si12-(y+z)Al(y+z)OzN16-z (wherein x1, x2, y and z are 0<x1?3.40, 0.05?x2?0.20, 4.0?y?7.0, and 0?z?1), and firing the mixture.

Abstract: Disclosed herein are emissive ceramic materials having a dopant concentration gradient along a thickness of a yttrium aluminum garnet (YAG) region. The dopant concentration gradient may include a maximum dopant concentration, a half-maximum dopant concentration, and a slope at or near the half-maximum dopant concentration. The emissive ceramics may, in some embodiments, exhibit high internal quantum efficiencies (IQE). The emissive ceramics may, in some embodiments, include porous regions. Also disclosed herein are methods of make the emissive ceramic by sintering an assembly having doped and non-doped layers.

Abstract: A method comprising injection molding a plastic part from a polymer formulation comprising an injection moldable thermoplastic and a fluorescent compound, wherein the fluorescent compound has a decomposition temperature that establishes a maximum processing temperature for the polymer formulation. The fluorescent compound will thermally decompose to generate gaseous products causing visible bubble formation in the surface of the plastic part in response to exposure to a processing temperature that exceeds the decomposition temperature of the fluorescent compound. If the plastic part was processed without exposure to a processing temperature that exceeds the decomposition temperature of the fluorescent compound, then any fluorescent compound within the plastic part will cause the plastic part to fluoresce in response to exposure to black light. A suitable fluorescent compound may be, for example, selected from oxalates, carbamic acids, carbonic acids, diazocarbonyl compounds, and combinations thereof.

Abstract: A method for producing a film having luminescent particles is described. The method has steps a) mixing a thermoplastic and a luminescent pigment containing a hydroxyalkyl terephthalate of the formulate: R1—COO—P(OH)x-COO—R2 and obtaining a thermoplastic mixture; and b) homogenizing the thermoplastic mixture to 150° C. to 200° C. in an extruder, by way of an extrusion nozzle, and obtaining a thermoplastic film.

Abstract: Lens assemblies for use in remote phosphor lighting systems, and methods of making and using them, are described. The lens assemblies typically include a lens member, a dichroic reflector attached to an outer surface of the lens member, and a phosphor layer attached to an inner surface of the lens member. The dichroic reflector reflects LED light originating from a given source point in a reference plane proximate the inner surface to a given image point in the reference plane. The phosphor layer may be patterned to cover one or more first portions of the inner surface and to expose one or more second portions, and/or the phosphor layer may be removably bonded to the inner surface. The lens assemblies can be readily combined with one or more short wavelength (e.g. blue) LEDs and other components to provide a remote phosphor lighting system.

Abstract: A patterned scintillator panel including an extruded scintillator layer comprising a thermoplastic polyolefin and a scintillator material, wherein the scintillator layer comprises a pattern. Also disclosed is a method of making a patterned scintillator panel including forming a scintillator layer by melt extrusion, the scintillator layer comprising thermoplastic particles comprising a thermoplastic polyolefin and a scintillator material; and patterning the scintillator layer. Further disclosed is a method of making a patterned scintillator panel including forming a scintillator layer by injection molding, the scintillator layer comprising thermoplastic particles comprising a thermoplastic polyolefin and a scintillator material; and patterning the scintillator layer.

Abstract: A compound is provided containing silicon, aluminum, strontium, europium, nitrogen, and oxygen is used that enables a red phosphor having strong luminous intensity and high luminance to be obtained, and that enables the color gamut of a white LED to be increased with the use of the red phosphor. The red phosphor contains an element A, curopium, silicon, aluminum, oxygen, and nitrogen at the atom number ratio of the following formula: [A(m-x)Eux]Si9AlyOnN[12+y-2(n-m)/3]. The element A in the formula is at least one of magnesium, calcium, strontium, and barium, and m, x, y, and n in the formula satisfy the relations 3<m<5, 0<x<1, 0<y<2, and 0<n<10.

Abstract: A light emitting device package, and more particularly, a light emitting device package including a phosphor film, a method of manufacturing the same, and a lighting apparatus using the same are disclosed. The method of manufacturing a light emitting device package including a phosphor film, includes attaching a phosphor film green sheet on a first surface of a support substrate, attaching a glass film green sheet on the phosphor film green sheet, patterning the glass film green sheet by mold pressing, and sintering the phosphor film green sheet and the patterned glass film green sheet.

Abstract: A blue phosphor having an emission peak wavelength different from that of conventional blue phosphors, a method for producing the same, and a high-intensity luminescent device using the phosphor are provided. The phosphor of the present invention is represented by a general formula MeaRebAlcSidOeNf (Me may contain one or more elements selected from Mg, Ca, Sc, Y, and La as second elements, provided that Sr or Ba is contained as an essential first element, and Re may contain one or more elements selected from Mn, Ce, Tb, Yb, and Sm as second elements, provided that Eu is contained as an essential first element), where the composition ratio represented by a, b, c, d, e, and f has the following relations: a+b=1, 0.005<b<0.25, 1.60<c<2.60, 2.50<d<4.05, 3.05<e<5.00, and 2.75<f<4.40.

Abstract: This disclosure, viewed from one aspect, this disclosure relates to a solution of polyamide comprising: an aromatic polyamide, a silane coupling agent and a solvent. The solution of polyamide can improve adhesion between the polyamide film and the base of glass or silicon wafer.

Abstract: A process of producing a layer composite includes a luminescence conversion layer and a scattering layer, wherein a press having a first pressing tool with a cavity and a second pressing tool is used including introducing a first polymer including a luminescence conversion substance into the cavity, inserting a film between the first and second tools, closing the press and carrying out a first pressing, hardening the first polymer to form a luminescence conversion layer in the press, opening the press, wherein the luminescence conversion layer adhering to the film remains in the press, introducing a second polymer including scattering particles into the cavity, closing the press and carrying out a second pressing, hardening the second polymer to form a scattering layer disposed on the luminescence conversion layer, opening the press, and removing the support film with the layer composite including the luminescence conversion layer and the scattering layer.

Abstract: The invention relates to a persistent phosphorescent ceramic composite material which is a sintered dense body comprising two or more phases, a first phase consisting of at least one metal oxide and a second phase consisting of a metal oxide containing at least one activating element in a reduced oxidation state. The invention furthermore relates to a method for the preparation of a phosphorescent ceramic composite material as defined in any of the previous claims, the method comprising the following steps: preparing a mixture of a metal oxide and a phosphor; fabricating a green body from the mixture; and heat treating the green body in a reducing atmosphere.

Abstract: A scintillator panel including: a plate-like substrate; a grid-like barrier rib provided on the substrate; and a scintillator layer composed of a phosphor filled in cells divided by the barrier rib, wherein the barrier rib is formed of a material which is mainly composed of a low-melting-point glass containing 2 to 20% by mass of an alkali metal oxide. The scintillator panel is provided with a narrow barrier rib with high accuracy in a large area, and the scintillator panel has high luminous efficiency, and provides sharp images.

Abstract: The fluorescent substance according to the present disclosure emits luminescence with a peak in the wavelength range of 500 to 600 nm under excitation by light with a peak in the wavelength range of 250 to 500 nm, and has an optical absorption coefficient ?560nm of 4×10?5 or less at 560 nm. The substance is represented by the following formula (1): (M1-xCex)2yAlzSi10-zOuNw??(1). In the formula, M is a metal element selected from the group consisting of Ba, Sr, Ca, Mg, Li, Na and K; and x, y, z, u and w are variables satisfying the conditions of 0<x?1, 0.8?y?1.1, 2?z?3.5, u?1, 1.8?z?u and 13?u+w?15, respectively.

Abstract: The present invention relates to a set of multi-doped cerium-activated scintillation materials of the solid solutions on the basis of the rare earth silicate, comprising lutetium and having compositions represented by the chemical formulas: (Lu2?w?x+2yAwCexSi1?y)1?zMexJjOq and (Lu2?w?x?2yAwCexSi1+y)1?zMezJjOq. The invention is useful for detection of elementary particles and nuclei in high-energy physics, nuclear industry; medicine, Positron Emission Tomography (TOF PET and DOI PET scanners) and Single Photon Emission Computed Tomography (SPECT), Positron Emission Tomography with Magnetic Resonance imaging (PET/MR); X-ray computer fluorography; non-destructive testing of solid state structure, including airport security systems, the Gamma-ray systems for the inspection of trucks and cargo containers.

Abstract: Some embodiments in the present disclosure generally relate to fluorescent structures such as fluorescent glass, fluorescent substrates, and/or light emitting devices, which can include a gradient of fluorescent molecules across the structure, substrate, and/or light emitting device. In some embodiments, the fluorescent glass, fluorescent substrates, and/or light emitting devices can be porous and include at least one fluorescent molecule within the one or more pore. In some embodiments, this can allow for the creation of a gradient fluorescent material throughout the material.

Abstract: The fluorescent substance according to one embodiment of the present invention has the following compositional formula (1): [Compositional formula 1] SrySi(6?z)AlzOzN(8?z):Rex. Here, x, y and z are respectively 0.005?x?0.05, 0.05?y?0.5, 0.001?z?0.50, and Re is a rare earth element. As a result, the fluorescent substance according to one embodiment of the present invention can exhibit a short wavelength of between 525 nm and 537 nm when the concentration of strontium is between 0.05 moles and 0.5 moles. Also, the fluorescent substance can exhibit a short wavelength of between 525 nm and 537 nm by the addition of barium in a range of between 0.003 moles and 0.125 moles when the concentration of aluminium is high. Also, the fluorescent substance can exhibit a short wavelength of between 525 nm and 537 nm by adjusting the oxygen concentration by the addition not only of AlN but also of Al2O3 as an aluminium precursor when the concentration of aluminium is high.

Abstract: A luminophore composition comprising amorphous aluminoborate powders is disclosed. The composition is obtainable by preparing an aluminoborate resin by a wet chemical route based on precursors solutions substantially free from monovalent and divalent cations; drying the resin to obtain a solid; grinding the solid to obtain a powder; pyrolyzing the powder at a pyrolysis temperature lower than the crystallization temperature of the composition; and calcinating the powder so pyrolyzed at a calcination temperature lower than the crystallization temperature of the composition. Furthermore, a process for the preparation of said composition is disclosed. The composition is particularly suitable for use in solid-state lighting, and for example for converting UV light into warm white visible light.

Abstract: A phosphor indicated by general formula MeaRebSicAldNeOf. In the formula: Me has Sr as an essential element thereof and can include one or more types of element selected from Na, Li, Mg, Ca, Ba, Sc, Y, and La; and Re has Eu as an essential element thereof and can include one or more types of element selected from Mn, Ce, Tb, Yb, and Sm. In addition, when a=1?x, b=x, c=(2+2p)×(1?y), d=(2?2p)×y, e=(1+4p)×(1?z), and f=(1+4p)×z, parameters p, x, y, and z fulfill the following: 1.620<p<1.635, 0.005<x<0.300, 0.200<y<0.250, and 0.070<z<0.110. A light-emitting device with high luminance is provided by using this phosphor.