Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7436115 | Electroluminescent device The present invention discloses a method for fabricating an electroluminescent lamp that includes a step in which an electroluminescent active layer is formed by curing a UV curable electroluminescent composition. Embodiments of the method of the present invention i... | 10/14/2008 |
| 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 halogen source and then cooled to give the fused solid. ... | 05/06/2008 |
| 7365369 | Nitride semiconductor device A nitride semiconductor device used chiefly as an LD and an LED element. In order to improve the output and to decrease Vf, the device is given either a three-layer structure in which a nitride semiconductor layer doped with n-type impurities serving as an n-type co... | 04/29/2008 |
| 7361378 | Method for manufacturing radiation image conversion panel A method for manufacturing a radiation image conversion panel which comprises the steps of: effecting aggregate reduction for a calcined product of a stimulable phosphor by dispersion in a dispersion medium, to thereby obtain a slurry; removing grains therefrom that... | 04/22/2008 |
| 7361413 | Electroluminescent device and methods for its production and use A luminescent device comprises an electroluminescent phosphor in operative contact with a light-emitting material wherein excitation of the electroluminescent phosphor by an alternating current electrical field causes the emission of light by the light-emitting mate... | 04/22/2008 |
| 7354526 | Processing method for glass substrate, processed glass product and stress applying apparatus A processing method for glass substrate of the present invention includes: applying heat and external force to a glass substrate and then cooling it down to thereby form a compression stressed part having a different etching rate from that of other parts with respec... | 04/08/2008 |
| 7303827 | Light-emitting phosphor particles and electroluminescent devices employing same Phosphor particles having coatings comprising certain light emitting small molecules and light-emitting devices employing these phosphor particles and light-emitting small molecules are provided. Also provided are light-emitting devices employing a layer of phosphor... | 12/04/2007 |
| 7294960 | Organic electroluminescent device with HIL/HTL specific to each RGB pixel An organic EL device comprises a plurality of organic EL elements, each of which has a pair of electrodes and functional layers including at least a light-emitting layer between the electrodes. With respect to components other than the light-emitting layer, the stru... | 11/13/2007 |
| 7291290 | Phosphor, method of manufacturing same, and plasma display panel using same An Eu-activated phosphor that maintains high wavelength conversion efficiency and suppresses deterioration with time due to vacuum ultraviolet irradiation, as well as a plasma display panel having superior display performance by suppressing sticking image caused by ... | 11/06/2007 |
| 7259396 | Light source with a light-emitting element The invention relates to a light source comprising a light-emitting element, which emits light in a first spectral region, and comprising a luminophore, which comes from the group of alkaline-earth orthosilicates and which absorbs a portion of the light emitted by t... | 08/21/2007 |
| 7199519 | Electrical equipment having light-emitting device with triplet and singlet compounds in the light-emitting layer The luminance of different colors of light emitted from EL elements in a pixel portion of a light emitting device is equalized and the luminance of light emitted from the EL elements is raised. The pixel portion of the light emitting device has EL elements whose EL ... | 04/03/2007 |
| 7183561 | Radiation image conversion panel and manufacturing method thereof It is an object to provide a radiation image conversion panel exhibiting excellent X-ray irradiation resistance property and a manufacturing method thereof. Disclosed is a radiation image conversion panel having a stimulable phosphor layer containing a stimulable ph... | 02/27/2007 |
| 7170077 | Binderless storage phosphor screen An image storage screen or panel, suitable for use in applications related with computed radiography comprises, on a support, a binderless needle-shaped stimulable CsBr:Eu phosphor layer, wherein, besides low amounts of a europium activator or dopant in favor of hom... | 01/30/2007 |
| 7157746 | Light emitting device having a divalent-europium-activated alkaline earth metal orthosilicate phosphor The light emitting device has a light emitting diode which is made of a nitride semiconductor and a phosphor which absorbs a part of lights emitted from the light emitting diode and emits different lights with wavelengths other than those of the absorbed lights. The... | 01/02/2007 |
| 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 optimally adjusted and a cooling rate can be selected in a wide rang... | 12/26/2006 |
| 7147802 | Phosphor and method for production thereof and plasma display device The present invention relates to a plasma display device apt to increase luminance of a phosphor layer and prevent degradation of a discharge characteristic, and to a phosphor used for the device. This plasma display device has a green phosphor having a crystal stru... | 12/12/2006 |
| 7125998 | Rhodium and iridium complexes The present invention relates to novel organometallic compounds which are phosphorescence emitters. Compounds of this type can be used as active components (=functional materials) in a series of different types of, application which can be classed within the electro... | 10/24/2006 |
| 7112921 | Light emitting device having selenium-based fluorescent phosphor Provided herein are novel phosphors useful in the manufacture of white light emitting diodes. The phosphors provided by the invention are described by the formulae: MSxSey: B in which x, and y are each independently any valu... | 09/26/2006 |
| 7109648 | Light emitting device having thio-selenide fluorescent phosphor Provided herein are novel phosphors useful in the manufacture of white light emitting diodes. The phosphors provided by the invention are described by the formulae: MA2(SxSey)4:B and/or M... | 09/19/2006 |
| 7083996 | Nitride semiconductor device and manufacturing method thereof A nitride semiconductor device includes a GaN substrate having a single-crystal GaN layer at least on its surface and plurality of device-forming layers made of nitride semiconductor. The device-forming layer contacting the GaN substrate has a coefficient of thermal... | 08/01/2006 |
| 7053551 | Zinc silicate system phosphor, method for producing the same, zinc silicate system phosphor paste, and display device At least one kind of a rear earth element or an alkaline earth metal element is activated together with manganese in a zinc silicate system phosphor, and a mean particle size of the phosphor is between 0.01 and 1.0 μm. ... | 05/30/2006 |
| 7049010 | Polymeric materials for electroluminescent devices Provided is a conjugated poly(1,4-arylene vinylene) compound comprising an arylene unit having adjacent substituents, said substituents being oriented such as to affect the electronic structure of the compound sufficiently to cause a blue-shift in the photoluminesce... | 05/23/2006 |
| 7042151 | Electrical equipment having light-emitting device with triplet and singlet compounds in the light-emitting layer The luminance of different colors of light emitted from EL elements in a pixel portion of a light emitting device is equalized and the luminance of light emitted from the EL elements is raised. The pixel portion of the light emitting device has EL elements whose EL ... | 05/09/2006 |
| 7029763 | Light-emitting phosphor particles and electroluminescent devices employing same Light-emitting substance-coated phosphor particles and light-emitting devices employing phosphor particles and light-emitting substances are provided. Also provided are light-emitting devices employing a layer of phosphor material that is covered by at least one lay... | 04/18/2006 |
| 7018724 | Organic EL device and preparation method In an organic EL device comprising a cathode, an anode, and two or more stacked organic layers therebetween including a light emitting layer, an electron injecting organic layer containing an organic salt or complex of a metal having a standard electrode potential o... | 03/28/2006 |
| 7015053 | Nitride semiconductor laser device A nitride semiconductor laser device has an improved stability of the lateral mode under high output power and a longer lifetime, so that the device can be applied to write and read light sources for recording media with high capacity. The nitride semiconductor lase... | 03/21/2006 |
| 7012368 | Organic electro luminescence device having multilayer cathode There is provided an organic electro luminescence device which includes at least one thin organic layer between an anode substrate and a cathode. The cathode includes first to fourth electrodes stacked on the thin organic layer. The first and third electrodes are fo... | 03/14/2006 |
| 7001639 | Electroluminescent devices fabricated with encapsulated light emitting polymer particles The present system provides electroluminescent devices including electroluminescent panels, and more specifically, electroluminescent devices fabricated from materials including light emitting polymers and particles comprising light emitting polymers that have been ... | 02/21/2006 |
| 6943380 | Light emitting device having phosphor of alkaline earth metal silicate The light emitting device has a light emitting diode which is made of a nitride semiconductor and a phosphor which absorbs a part of lights emitted from the light emitting diode and emits different lights with wavelengths other than those of the absorbed lights. The... | 09/13/2005 |
| 6916501 | Electroluminescent device The present invention discloses a method for fabricating an electroluminescent lamp that includes a step in which an electroluminescent active layer is formed by curing a UV curable electroluminescent composition. Embodiments of the method of the present invention i... | 07/12/2005 |
| 6908695 | Light-emitting device and manufacturing method thereof A light emitting element having a superior light emitting characteristic is provided by forming a region partly including a phosphor (light emitting region) in manufacturing of a light emitting element having an organic compound layer using a high molecular weight m... | 06/21/2005 |
| 6905785 | Polymeric fluorescent substance, production thereof and polymer light-emitting device Provided is a method of producing a polymeric fluorescent substance wherein one or more monomers represented by the general formula (1) are polymerized in the presence of a zerovalent nickel complex, X1—Ar1—X2 (1) ... | 06/14/2005 |
| 6887972 | Blue electroluminescent materials for polymer light-emitting diodes A polymeric material comprising alternate substituted fluorene and phenylene units, as represented by the following formula wherein R1, R2, R3 and R4, which may be identical ... | 05/03/2005 |
| 6885149 | High efficiency transparent organic light emitting devices A highly transparent non-metallic cathode is disclosed that comprises a metal-doped organic electron injection layer that is in direct contact with a transparent non-metallic electron injecting cathode layer, such as indium tin oxide (ITO), wherein the metal-doped o... | 04/26/2005 |
| 6864628 | Light emitting device comprising light-emitting layer having triplet compound and light-emitting layer having singlet compound The luminance of different colors of light emitted from EL elements in a pixel portion of a light emitting device is equalized and the luminance of light emitted from the EL elements is raised. The pixel portion of the light emitting device has EL elements whose EL ... | 03/08/2005 |
| 6815095 | Binderless phosphor screen having a pigmented interlayer A binderless stimulable phosphor screen is provided, comprising a vapor deposited phosphor layer on a support, wherein between the support and the phosphor layer a ceramic layer is present, wherein said ceramic layer preferably comprises a mixture of pigments so tha... | 11/09/2004 |
| 6638646 | Substituted poly(arylenevinylenes), process for their preparation, and their use in electroluminescent elements Poly(arylenevinylenes) comprising at least 20% of recurring units of the formula (I), ##STR1## where the symbols and indices have the following meanings: Aryl: is an aryl group having 4 to 14 carbon atoms; R': is a substituent which is either in the la... | 10/28/2003 |
| 6626011 | Method of manufacturing a monomode fluoride optical fiber, and an optical amplifier using such a fiber The invention provides a monomode optical fiber and a monomode preform (2) having a mother preform (22) housed in an outer sleeve tube (20). It is characterized in that it also includes an intermediate tube (21) between the mother preform (22) and the out... | 09/30/2003 |
| 6597012 | Organic electroluminescent device An organic electroluminescent device having a luminescent layer interposed between an anode and a cathode, on a substrate, wherein a layer containing an electron-accepting compound containing a boron atom represented by the following formula (I): ##S... | 07/22/2003 |
| 6555253 | Organic electroluminescent device In an organic electroluminescent device constructed by providing at least an emitting layer and a carrier transport layer using an organic material between a hole injection electrode and an electron injection electrode, at least one of the emitting layer ... | 04/29/2003 |
