Matches 1 - 50 out of 483 1 2 3 4 5 6 7 8 9 10 >
Match Document Document Title
7385349 Light emitting module and lighting unit for vehicle  
A light emitting module for generating a light includes a semiconductor light emitting unit for generating a light, a plurality of nanophosphor particles having diameters which are smaller than a...
7368093 Process for preparing fused solid of europium halide  
Fused solid of an europium halide containing a less amount of europium oxyhalide impurities is prepared by a process in which a starting europium halide is heated to fuse in the presence of a...
7357882 Light emitting device and illuminator using the same  
An object of the present invention is to provide a light emitting device having a high emission intensity, and a light emitting device having a high emission intensity and a good color rendering...
7332855 Phosphor blends for wavelength conversion and white light emitting device using the same  
The present invention provides a phosphor blend for wavelength conversion and a white light emitting device using the phosphor blend. Further disclosed is a white light emitting phosphor blend...
7329371 Red phosphor for LED based lighting  
Disclosed are phosphor compositions having the formula (RE 1-y Ce y )Mg 2-x Li x Si 3-x P x O 12 , where RE is at least one of Sc, Lu, Gd, Y, and Tb, 0.0001<x<0.1 and 0.001<y<0.1. When...
7311859 Method to produce nanocrystalline powders of oxide-based phosphors for lighting applications  
Some embodiments of the present invention are directed toward nanocrystalline oxide-based phosphor materials, and methods for making same. Typically, such methods comprise a steric entrapment route...
7311858 Silicate-based yellow-green phosphors  
Novel phosphor systems are disclosed having the formula A 2 SiO 4 :Eu 2+ D, where A is at least one of a divalent metal selected from the group consisting of Sr, Ca, Ba, Mg, Zn, and Cd; and D is a...
7303696 Light-emitting material and light-emitting element  
A light-emitting material includes a matrix section 12 and light-emitting sections 11 dispersed and buried in the matrix section. The matrix section 12 comprises a first material and the...
7297294 Method of preparing storage phosphors from dedicated precursors  
A method for producing CsX:Eu stimulable phosphors and screens or panels provided with said phosphors as powder phosphors or vapor deposited needle-shaped phosphors suitable for use in image...
7294956 Semiconductor light emitting element and light emitting device using this  
The semiconductor light emitting device is composed of a combination of a near ultraviolet LED and a phosphor layer including a plurality of phosphors for absorbing near ultraviolet emitted by the...
7276182 Method of preparing storage phosphors from dedicated precursors  
In a method for producing CsX:Eu stimulable phosphors and screens or panels provided with said phosphors as powder phosphors or vapor deposited needle-shaped phosphors suitable for use in image...
7270773 Quantum-splitting fluoride-based phosphors, method of producing, and radiation sources incorporating same  
A quantum-splitting fluoride-based phosphor comprises gadolinium, at least a first alkali metal, and a rare-earth metal activator. The phosphor is made in a solid-state method without using HF gas....
7267787 Phosphor systems for a white light emitting diode (LED)  
Novel phosphor systems for a white LED are disclosed. The phosphor systems are excited by a non-visible to near-UV radiation source having an excitation wavelength ranging from about 250 to 420 nm....
7267785 White light emitting phosphor blend for LED devices  
There is provided a white light illumination system including a radiation source, a first luminescent material having a peak emission wavelength of about 570 to about 620 nm, and a second...
7259509 Phosphor coating composition for a mercury low-pressure discharge lamp for illuminating plants  
The invention relates to a fluorescent lamp for the illumination of plants, having a tubular discharge vessel, two electrodes which are fused in a gastight manner into the ends of the discharge...
7255812 Method of making haloapatite phosphors  
A method of making a haloapatite phosphor having a general formula represented by (Ca (1−x−y) Mn x Sb y ) 5 (PO 4 ) 3 (F (1−z−y) Cl z O y ), where 0<x<0.05, 0.004<y<0.01, and...
7252787 Garnet phosphor materials having enhanced spectral characteristics  
Phosphor compositions having the formula (Y 1-x-y-z Tb x Gd y Ce z ) 3 (M 1 M 2 ) t (Al 1-r-s Ga r In s ) A-2t O 12+D , where M 1 is Mg or Zn, M 2 is Si or Ge, 0<x+y<1, 0.01<z<0.1,...
7247257 Light emitting device  
To minimize the variability in the emitted light color and improve the unevenness of color tone, a light emitting device comprises a light emitting element and a fluorescent substance that is...
7241399 Synthesis of nanoparticles  
Methods for the preparation of inorganic nanoparticles capable of fluorescence, wherein the nanoparticles consist of a host material that comprises at least one dopant. The synthesis of the...
7223987 Process for producing phosphor and plasma display panel unit  
Fine particles of a phosphor are weighed, mixed, and filled. Provided after this step are at least one step of firing the particles in a reducing atmosphere, and a step of pulverizing, dispersing,...
7214330 Method of manufacturing phosphor powder, phosphor powder, and phosphor composition  
A method of manufacturing a highly crystallized phosphor powder, comprising: making a raw material solution containing metal elements and/or semimetal elements that will be constituents of the...
7208103 Quantum-splitting fluoride-based phosphors, method of producing, and devices incorporating the same  
A quantum-splitting phosphor has a formula of ADF 5 :Pr 3+ , wherein A is at least one alkaline-earth metal and D is at least one Group-IIIB metal. The phosphor is made in a solid-state method...
7202477 Scintillator compositions of cerium halides, and related articles and processes  
A scintillator composition is disclosed, containing a solid solution of at least two cerium halides. A radiation detector for detecting high-energy radiation is also described herein. The detector...
7183560 Storage phosphor screens having homogeneously incorporated dopant  
Storage phosphor particles suitable for use in coated layers of stimulable phosphor screens or panels, in favor of high relative sensitivity, advantageously contain at the surface of the phosphor...
7175778 Self-aligning QCA based nanomaterials  
The present application is directed to the preparation and use of a class of nanoparticles called Quantum Confined Atoms or QCA's. A QCA is a particle of material comprising a plurality of host...
7169481 Radiation image conversion panel and manufacturing method therefor  
A radiation image conversion panel that has a phosphor layer. The phosphor layer contains a binding agent, a phosphor particle, and at least aryl carboxylic acid or alicyclic carboxylic acid,...
7153450 Method and apparatus for preparing rare earth-activated barium fluorohalide based phosphor  
The present invention provides a method and apparatus for preparing a rare earth-activated barium fluorohalide based phosphor, in which atmospheric states during calcining and during cooling can be...
7128849 Phosphors containing boron and metals of Group IIIA and IIIB  
A phosphor comprises: (a) at least a first metal selected from the group consisting of yttrium and elements of lanthanide series other than europium; (b) at least a second metal selected from the...
7094361 Optically transparent nanocomposite materials  
Optically transparent composite materials in which solid solution inorganic nanoparticles are dispersed in a host matrix inert thereto, wherein the nanoparticles are doped with one or more active...
7084403 Scintillator compositions, and related processes and articles of manufacture  
Scintillator materials based on certain types of halide-lanthanide matrix materials are described. In one embodiment, the matrix material contains a mixture of lanthanide halides, i.e., a solid...
7077978 Phosphors containing oxides of alkaline-earth and group-IIIB metals and white-light sources incorporating same  
A phosphor comprises a material having a formula of AMgD 10 O 17 :Eu 2+ ,Mn 2+ , wherein A is at least an alkaline-earth metal selected from the group consisting of Ba, Sr, Ca, and combinations...
7067072 Nanophase luminescence particulate material  
The present invention relates in general to nanoparticles exhibiting luminescence such as photostimulated luminescence or photoluminescence and optical switching processes based upon such...
7060982 Fluoride single crystal for detecting radiation, scintillator and radiation detector using the single crystal, and method for detecting radiation  
The invention provides a fluoride single crystal for detecting radiation having high luminescence intensity, a scintillator, a radiation detector employing the single crystal and a method for...
7060202 Process for preparing rare earth luminescent materials  
The present invention relates to a process for preparing rare earth trichromatic phosphor, comprising the following steps: (1) providing precursors for at least one composition formula selected...
7048872 Codoped direct-gap semiconductor scintillators  
Fast, bright inorganic scintillators at room temperature are based on radiative electron-hole recombination in direct-gap semiconductors, e.g. CdS and ZnO. The direct-gap semiconductor is codoped...
7037446 Radiation image storage panel  
In a radiation image storage panel composed of a phosphor layer produced by vapor phase deposition, the phosphor layer is composed of an europium activated cesium halide stimulable phosphor and...
7022263 Europium-activated phosphors containing oxides of rare-earth and group-IIIB metals and method of making the same  
Europium-activated phosphors comprise oxides of at least a rare-earth metal selected from the group consisting of gadolinium, yttrium, lanthanum, and combinations thereof and at least a Group-IIIB...
7018564 Method for making phosphor ink and system using the same  
A method for making phosphor ink is provided which uses ultrasonic vibrations to remove surface defect layers from phosphor particles and to quickly and uniformly disperse the phosphor particles...
7008557 Production method of phosphor and phosphor  
The present invention relates to a production method of a phosphor comprising the steps of: forming a phosphor precursor in a liquid phase; drying the phosphor precursor; and firing the dried...
7005084 Thermoluminescent detector of LiF containing Mg, Cu, Na and Si as dopants and its preparation  
The disclosure concerns a pellet type LiF element for a thermoluminescent dosimetry (TLD) and its preparation. More particularly, the disclosure concerns the pellet type LiF element for a...
7001537 Phosphor and its production process  
The present invention is to provide a phosphor of minimum particle size having an excellent crystallinity and a high brightness higher than conventional crude particles, which is usable for a...
6994802 Cathodoluminescent phosphor powders, methods for making phosphor powders and devices incorporating same  
Cathodoluminescent phosphor powders and a method for making phosphor powders. The phosphor powders have a small particle size, narrow particle size distribution and are substantially spherical. The...
6992432 Fluorescent lamp  
A mercury vapor discharge lamp having a barrier layer and a single phosphor layer. The phosphor layer comprises 10–50 weight percent halophosphors and 50–90 weight percent rare earth phosphors....
6982046 Light sources with nanometer-sized VUV radiation-absorbing phosphors  
A light source comprises: (a) a source of plasma discharge that emits electromagnetic radiation, a portion of which has wavelengths shorter than about 200 nm; and (b) a phosphor composition that...
6939481 White light emitting phosphor blends for LED devices  
There is provided white light illumination system including a radiation source, a first luminescent material having a peak emission wavelength of about 575 to about 620 nm, a second luminescent...
6919060 Process for producing particles of a metal compound  
The object of the present invention is to provide a process for producing particles of a metal compound having a spherical particle shape and an average particle diameter larger than 0.3 μm...
6916753 Tm3+-doped silicate glass and the use thereof  
The present invention is a thulium doped silicate glass having an excellent fluorescent emission in the 1.4 μm band, and the usage thereof. The silicate glass of this invention includes: 65˜95...
6899962 Europium activated cesium bromide phosphor and radiation image storage sheet  
An europium activated cesium bromide phosphor having the formula of CsBr:xEu [0<x≦0.2], in which a relationship between an emission intensity (I E ) of Eu 2+ and a coloring intensity (I P )...
6899827 Inorganic optical taggant and method of making  
Sintered, translucent ceramic microbeads, preferably alumina, titania, zirconia, yttria, zirconium phosphate, or yttrium aluminum garnet (YAG) are doped with one or more optically active species....
6893490 Ink for display panel and method for producing plasma display panel using the same  
An ink for a display panel that at a time of application is a mixture of a powder material, a water-soluble resin included in a range of 1 wt % to 20 wt % inclusive of the ink, and a water-miscible...
Matches 1 - 50 out of 483 1 2 3 4 5 6 7 8 9 10 >