Patent application number | Description | Published |
20080277652 | CARBON-CONTAINING SEMICONDUCTING DEVICES AND METHODS OF MAKING THEREOF - Embodiments of the present invention relate to semiconducting carbon-containing devices and methods of making thereof. The semi-conducting carbon containing devices comprise an n-type semiconducting layer and a p-type semiconducting layer, both of which are positioned over a substrate. The n-type semiconducting layer can be formed by pyrolyzing a carbon- and nitrogen-containing polymer, and the p-type semiconducting layer can be formed by pyrolyzing an aromatic- and aliphatic-group-containing polymer. In some embodiments, the devices are solar cell devices. | 11-13-2008 |
20090066234 | LIGHT EMITTING DEVICES AND COMPOSITIONS - A light emitting composition includes a light-emitting iridium-functionalized nanoparticle, such as an organic-inorganic light-emitting iridium-functionalized nanoparticle. A light emitting device includes an anode, a cathode, and a layer containing such a light-emitting composition. In an embodiment, the light emitting device can emit white light. | 03-12-2009 |
20090179552 | LIGHT EMITTING DEVICES AND COMPOSITIONS - A light emitting composition includes a light-emitting lumophore-functionalized nanoparticle, such as an organic-inorganic light-emitting lumophore-functionalized nanoparticle. A light emitting device includes an anode, a cathode, and a layer containing such a light-emitting composition. In an embodiment, the light emitting device can emit white light. | 07-16-2009 |
20090208398 | NANOPARTICLE SYNTHESIS BY SOLVOTHERMAL PROCESS - A solvothermal process for making inorganic nanoparticles is described. Inorganic nanoparticles can be produced by forming a suspension or solution comprising at least one group II-IV and lanthanide metal inorganic salt in a first medium, disposing the suspension or solution in a sealed chamber having an interior pressure, elevating the interior pressure of the sealed chamber to an initial interior pressure prior to the heating, heating the suspension or solution to a peak temperature higher than the normal boiling point of the first medium, optionally adding a second medium to the suspension or solution after the heating. | 08-20-2009 |
20090212697 | LIGHT EMITTING DEVICE WITH TRANSLUCENT CERAMIC PLATE - A light emitting device comprising a light emitting component that emits light with a first peak wavelength, and at least one sintered ceramic plate over the light emitting component is described. The at least one sintered ceramic plate is capable of absorbing at least a portion of the light emitted from said light emitting component and emitting light of a second peak wavelength, and has a total light transmittance at the second peak wavelength of greater than about 40%. A method for improving the luminance intensity of a light emitting device comprising providing a light emitting component and positioning at least one translucent sintered ceramic plate described above over the light emitting component is also disclosed. | 08-27-2009 |
20090293675 | METHOD AND APPARATUS OF PRODUCING NANOPARTICLES USING NEBULIZED DROPLET - Methods of generating nanoparticles are described that comprises feeding nebulized droplets into a radio frequency plasma torch to generate nanoparticles, wherein the majority of the nanoparticles generated have a diameter of less than about 50 nm. These methods are useful for synthesizing nanoparticles of metals, semiconductors, ceramics or any other material class where the precursors are either in liquid form or can be dissolved or suspended in a suitable liquid. Methods of feeding nebulized droplets and central gas into a radio frequency plasma torch and apparatus for generating nanoparticles are also described. | 12-03-2009 |
20100012478 | THERMAL TREATMENT FOR INORGANIC MATERIALS - A method of annealing inorganic particles using microwave is provided. The method comprises disposing a plurality of raw particles having poor room-temperature microwave coupling characteristics in a close proximity to a microwave-absorbing material, irradiating said microwave-absorbing material with microwave radiation to heat said microwave-absorbing material, and heating said plurality of raw particles for a period of time sufficient to obtain a plurality of annealed particles, wherein the plurality of annealed particles has a crystalline phase, and wherein said heating comprises transferring heat from said microwave-absorbing material to said plurality of raw particles. | 01-21-2010 |
20100031734 | METHOD AND SYSTEM FOR DETECTING IMPURITIES IN LIQUIDS - A method for testing the quality of a solvent is disclosed. The method comprises obtaining a solvent sample, wherein the solvent sample contains less than 10 ppm of impurities and nebulizing the solvent sample thereby forming a multitude of droplets that comprises solvent and impurities. The method further comprises evaporating the solvent from at least a portion of the multitude of droplets to thereby form a multitude of aerosol particles, condensing a liquid onto at least a portion of the multitude of aerosol particles to a multitude of form liquid-coated aerosol particles, and counting the number of liquid-coated aerosol particles. | 02-11-2010 |
20100200808 | NANOSCALE PHOSPHOR PARTICLES WITH HIGH QUANTUM EFFICIENCY AND METHOD FOR SYNTHESIZING THE SAME - Described herein are batches of nanoscale phosphor particles having an average particle size of less than about 200 nm and an average internal quantum efficiency of at least 40%. The batches of nanoscale phosphor particles can be substantially free of impurities. Also described herein are methods of manufacturing the nanoscale phosphor particles by passing phosphor particles through a reactive field to thereby dissociate them into elements and then synthesizing nanoscale phosphor particles by nucleating the elements and quenching the resulting particles. | 08-12-2010 |
20100207065 | METHOD OF MANUFACTURING PHOSPHOR TRANSLUCENT CERAMICS AND LIGHT EMITTING DEVICES - Disclosed herein is a method of increasing the luminescence 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 made by one of these methods. | 08-19-2010 |
20100207512 | METHOD OF FABRICATING TRANSLUCENT PHOSPHOR CERAMICS - One embodiment provides a method for fabricating a translucent phosphor ceramic compact comprising: heating a precursor powder to at least about 1000° C. under a reducing atmosphere to provide a pre-conditioned powder, forming an intermediate compact comprising the pre-conditioned powder and a flux material, and heating the intermediate compact under a vacuum to a temperature of at least about 1400° C. In another embodiment, the compact may be a cerium doped translucent phosphor ceramic compact comprising yttrium, aluminum, oxygen, and cerium sources. Another embodiment may be a light emitting device having the phosphor translucent ceramic provided as described herein. | 08-19-2010 |
20100209628 | GROWTH OF COATINGS OF NANOPARTICLES BY PHOTOINDUCED CHEMICAL VAPOR DEPOSITION - Photoinduced chemical vapor deposition was used to grow coatings on nanoparticles. Aerosolized nanoparticles were mixed with a vapor-phase coating reactant and introduced into a coating reactor, where the mixture was exposed to ultraviolet radiation. Tandem differential mobility analysis was used to determine coating thicknesses as a function of initial particle size. | 08-19-2010 |
20100213452 | AMBIPOLAR HOST IN ORGANIC LIGHT EMITTING DIODE - Some embodiments provide a compound represented by Formula 1: | 08-26-2010 |
20100213453 | AMBIPOLAR HOST IN ORGANIC LIGHT EMITTING DIODE - Some embodiments provide a compound represented by Formula 1: | 08-26-2010 |
20100213829 | AMBIPOLAR HOST IN ORGANIC LIGHT EMITTING DIODE - Some embodiments provide a compound represented by Formula 1: | 08-26-2010 |
20100213830 | AMBIPOLAR HOST IN ORGANIC LIGHT EMITTING DIODE - Some embodiments provide a compound represented by Formula 1: | 08-26-2010 |
20100213831 | AMBIPOLAR HOST IN ORGANIC LIGHT EMITTING DIODE - Some embodiments provide a compound represented by Formula 1: | 08-26-2010 |
20100213832 | AMBIPOLAR HOST IN ORGANIC LIGHT EMITTING DIODE - Some embodiments provide a compound represented by Formula 1: | 08-26-2010 |
20100221850 | CARBON-CONTAINING SEMICONDUCTING DEVICES AND METHODS OF MAKING THEREOF - Embodiments of the present invention relate to semiconducting carbon-containing devices and methods of making thereof. The semi-conducting carbon containing devices comprise an n-type semiconducting layer and a p-type semiconducting layer, both of which are positioned over a substrate. The n-type semiconducting layer can be formed by pyrolyzing a carbon- and nitrogen-containing polymer, and the p-type semiconducting layer can be formed by pyrolyzing an aromatic- and aliphatic-group-containing polymer. In some embodiments, the devices are solar cell devices. | 09-02-2010 |
20100231125 | ORGANIC LIGHT EMITTING DEVICE TO EMIT IN NEAR INFRARED - Compositions and light-emitting devices related to compounds represented by Formula I are disclosed herein. | 09-16-2010 |
20100283377 | NANOPARTICLE SYNTHESIS BY SOLVOTHERMAL PROCESS - An optical film capable of converting blue light to yellow light and a while light emitting device comprising the optical film are described. The optical film comprises a layer of YAG nanoparticles, wherein the layer of YAG nanoparticles has a size distribution of between about 2 nm to about 200 nm | 11-11-2010 |
20100301367 | LIGHT-EMITTING DEVICE COMPRISING A DOME-SHAPED CERAMIC PHOSPHOR - Some embodiments provide a light-emitting device comprising: a light-emitting diode; a substantially transparent encapsulating material having a refractive index in the range of about 1.3 to about 1.8; a layer of low refractive index material having a refractive index in the range of about 1 to about 1.2; and a translucent ceramic phosphor having a refractive index in the range of about 1.6 to about 2.7, and is substantially dome-shaped with substantially uniform thickness. Some embodiments provide a light-emitting device comprising: a substrate; a light-emitting diode mounted on a surface of the substrate; and a substantially hemispheric cover mounted on the surface of the substrate so as to enclose the light emitting diode; wherein the substantially hemispheric cover comprises an outer layer, a middle layer, and an inner layer arranged concentrically, with the inner layer being nearest the light-emitting diode. | 12-02-2010 |
20100301739 | LUMINESCENT CERAMIC AND LIGHT-EMITTING DEVICE USING THE SAME - Some embodiments provide luminescent ceramics which have a lower amount of dopant than conventional luminescent ceramics. In some embodiments, the luminescent ceramic comprises a host material comprising a rare earth element and at least one rare earth dopant, wherein the rare earth dopant may be about 0.01% to 0.5% of the rare earth atoms present in the material. Some embodiments provide luminescent ceramic comprising: a polycrystalline phosphor represented by the formula (A | 12-02-2010 |
20100308310 | EMISSIVE ARYL-HETEROARYL ACETYLENES - Disclosed herein are compounds represented by a formula: R | 12-09-2010 |
20100326526 | EMISSIVE ARYL-HETEROARYL COMPOUNDS - Disclosed herein are compounds represented by Formula 1, wherein R | 12-30-2010 |
20110006449 | PRODUCTION OF PHASE-PURE CERAMIC GARNET PARTICLES - Disclosed herein are processes for making a plurality of substantially phase-pure metal oxide particles, the particles comprising a garnet structure, the process comprising: subjecting a dispersion of precursors to a solvothermal treatment to form a garnet intermediate and applying a flow-based thermochemical process to said garnet intermediate. | 01-13-2011 |
20110062386 | COMPOUNDS FOR ORGANIC LIGHT EMITTING DIODE EMISSIVE LAYERS - Disclosed herein are compounds represented by a formula: | 03-17-2011 |
20110062424 | POLYMER COMPOSITIONS COMPRISING ADDITIVE BLOCK COPOLYMERS - Disclosed herein are some embodiments related to a polymer composition comprising a base polymer and a block copolymer additive. Laminated constructs, methods of preparing the polymer compositions and the laminate constructs, and devices related thereto are also disclosed. | 03-17-2011 |
20110193075 | PRINTABLE LIGHT-EMITTING COMPOSITIONS - Disclosed herein are compositions comprising an electron transport compound, an emissive compound, and an organic solvent. The emissive compound comprises an organic indium complex attached to a nanoparticle core. These compositions are useful in fabricating light emitting devices and can be deposited on a substrate via a printing process. | 08-11-2011 |
20110227477 | GARNET-BASED PHOSPHOR CERAMIC SHEETS FOR LIGHT EMITTING DEVICE - Some embodiments disclosed herein include a lighting apparatus having a composite. The composite may include a first emissive layer and a second emissive layer. The first emissive layer may include a first garnet phosphor having a common dopant. The second emissive layer may include a second garnet phosphor having the common dopant. In some embodiments, the first emissive layer and the second emissive layer are fixed together. Some embodiments disclosed herein include efficient and economic methods of making the composite. The method may include, in some embodiments, sintering an assembly that includes pre-cursor materials for the first emissive layer and the second emissive layer. | 09-22-2011 |
20110287173 | TRANSPARENT ELECTRICALLY-CONDUCTIVE HARD-COATED SUBSTRATE AND METHOD FOR PRODUCING THE SAME - A transparent electrically-conductive hard-coated substrate of the invention comprises a transparent base material; a deposited carbon nanotubes layer formed on the transparent base material; and a cured resin layer formed on the deposited carbon nanotubes layer, wherein the deposited carbon nanotubes layer has a thickness of 10 nm or less, the total thickness of the deposited carbon nanotubes layer and the cured resin layer is 1.5 μm or more, and part of the deposited carbon nanotubes layer is diffused into the cured resin layer so that carbon nanotubes are present in the cured resin layer. The transparent electrically-conductive hard-coated substrate possesses high transparency and hard coating properties and also has electrical conductivity. | 11-24-2011 |
20110306922 | LIGHT-EMITTING DEVICES FOR PHOTOTHERAPY - Some embodiments provide a compound represented by Formula 1. Other embodiments provide an organic light-emitting diode device, such as a light-emitting device for phototherapy, comprising a compound of Formula 1. Other embodiments provide an organic light-emitting device optionally comprising a wavelength convertor. Methods related to the treatment of diseases using phototherapy area also described. | 12-15-2011 |
20120015998 | PHOTOTHERAPY METHODS AND DEVICES COMPRISING EMISSIVE ARYL-HETEROARYL COMPOUNDS - Disclosed herein are compounds represented by a formula: R | 01-19-2012 |
20120037900 | AMBIPOLAR HOST IN ORGANIC LIGHT EMITTING DIODE - Some embodiments provide a compound represented by Formula 2B: | 02-16-2012 |
20120121933 | HYBRID COMPOSITE EMISSIVE CONSTRUCT AND LIGHT-EMITTING DEVICES USING THE SAME - Emissive constructs having three emissive layers, each having the same fluorescent host are described. At least one of the layers further includes a phosphorescent dopant. Light-emitting devices including these emissive constructs are also described. | 05-17-2012 |
20120179089 | SUBSTITUTED BIPYRIDINES FOR USE IN ORGANIC LIGHT-EMITTING DEVICES - Optionally substituted bipyridine compounds, optionally substituted phenylbipyridine compounds, or optionally substituted bis-phenylbipyridine compounds may be useful in light-emitting devices. Some examples include, but are not limited to, optionally substituted 4-(5-(6-(4-(diphenylamino)phenyl)pyridin-3-yl)pyridin-2-yl)-N,N-diphenylbenzenamine, optionally substituted 9-(4-(5-(6-(4-(9H-carbazol-9-yl)phenyl)pyridin-3-yl)pyridin-2-yl)phenyl)-9H-carbazole, optionally substituted 4-(5-(6-(benzo[d]thiazol-2-yl)pyridin-3-yl)pyridin-2-yl)-N,N-diphenylbenzenamine, optionally substituted 4-(5-(6-(benzo[d]oxazol-2-yl)pyridin-3-yl)pyridin-2-yl)-N,N-diphenylbenzenamine, optionally substituted N,N-diphenyl-4-(5-(6-(1-phenyl-1H-benzo[d]imidazol-2-yl)pyridin-3-yl)pyridin-2-yl)benzenamine, optionally substituted 4-(5-(6-(4-(9H-carbazol-9-yl)phenyl)pyridin-3-yl)pyridin-2-yl)-N,N-diphenylbenzenamine, optionally substituted 2-(5-(6-(benzo[d]thiazol-2-yl)pyridin-3-yl)pyridin-2-yl)benzo[d]thiazole, optionally substituted 2-(5-(6-(benzo[d]thiazol-2-yl)pyridin-3-yl)pyridin-2-yl)benzo[d]oxazole, optionally substituted 9-(4-(5-(6-(benzo[d]thiazol-2-yl)pyridin-3-yl)pyridin-2-yl)phenyl)-9H-carbazole, optionally substituted 9-(4-(5-(6-(benzo[d]oxazol-2-yl)pyridin-3-yl)pyridin-2-yl)phenyl)-9H-carbazole, optionally substituted 9-(4-(6′-(1-phenyl-1H-benzo[d]imidazol-2-yl)-3,3′-bipyridin-6-yl)phenyl)-9H-carbazole, and 6,6′-bis(9-phenyl-9H-carbazol-3-yl)-3,3′-bipyridine. | 07-12-2012 |
20130103123 | Light-Emitting Devices for Wound Healing - Methods and devices related to wound healing using phototherapy are described. Some embodiments provide an organic light-emitting diode device, such as a light-emitting device for phototherapy, comprising Ring System 1, Ring System 2, Ring System 3, Ring System 4 or Ring System 5. | 04-25-2013 |