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Including particular phosphor

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313 - Electric lamp and discharge devices

313483000 - WITH LUMINESCENT SOLID OR LIQUID MATERIAL

313484000 - With gaseous discharge medium

313485000 - Phosphor on envelope wall

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Class / Patent application numberDescriptionNumber of patent applications / Date published
313487000 Plural 49
Entries
DocumentTitleDate
20130069521PLASMA-DISPLAY PANEL - A phosphor layer of a plasma display panel has a green phosphor layer containing Zn03-21-2013
20130069520PLASMA-DISPLAY PANEL - A phosphor layer of a plasma display panel has a green phosphor layer containing Zn03-21-2013
20130076227FLUORESCENT LAMP WITH UNDERLYING YTTRIUM VANADATE PHOSPHOR LAYER AND PROTECTIVE PHOSPHOR LAYER - A fluorescent lamp includes a glass envelope that is light transmitting. There is means for providing a discharge inside the envelope. A discharge-sustaining fill of mercury and an inert gas is sealed inside the envelope. An underlying phosphor-containing layer is disposed inside the envelope. The underlying layer includes yttrium vanadate phosphor. A protective phosphor-containing layer is disposed over the underlying layer at a location that is more distal from the glass than the underlying layer.03-28-2013
20130076226FLUORESCENT LAMP WITH ZINC SILICATE PHOSPHOR AND PROTECTIVE PHOSPHOR LAYER - A fluorescent lamp comprises a glass envelope that is light transmitting. Also included is means for providing a discharge inside the envelope. A discharge-sustaining fill includes mercury and an inert gas sealed inside the envelope. An underlying phosphor-containing layer is disposed inside the envelope. The underlying layer includes zinc silicate phosphor. A protective phosphor-containing layer is disposed over the underlying layer at a location that is more distal from the glass than the underlying layer. A ratio of a surface density of the protective layer to a surface density of the underlying layer is at least 0.4:1.03-28-2013
20100045163PHOSPHOR BODY CONTAINING RUBY FOR WHITE OR COLOUR-ON-DEMAND LEDS - The invention relates to a phosphor element comprising Cr(III)-activated aluminium oxide (ruby), to the production thereof, and to the use thereof as LED conversion phosphor for white LEDs or so-called colour-on-demand applications.02-25-2010
20100109508M-C-N-O BASED PHOSPHOR - M-C—N—O based phosphors having high emission intensity are provided without using heavy metals, rare metals, and special activator agents. Colors of the M-C—N—O based phosphors can be changed by adjusting a peak top of an emission spectrum. Highly environmentally-compatible polymer dispersions, inorganic EL devices, light emitting devices, fluorescent tubes, and the like are also provided, which use the M-C—N—O based phosphors.05-06-2010
20090045719Odor neutralizing fluorescent sunlamp - A fluorescent tanning lamp having a glass envelope has an ultra-violet light reflecting coating covering at least 180° of an inside surface of the envelope; and a phosphor layer covering substantially 360° of the inside surface of the envelope, including overlying the ultra-violet reflecting coating. An odor reducing photocatalytic material is provided on an outside surface of the envelope, the photocatalytic material being coextensive with the ultra-violet light reflecting material. A preferred material is anatase TiO02-19-2009
20090091235FLUORESCENT LAMP AND BACKLIGHT UNIT - A fluorescent lamp (04-09-2009
20090009052PHOSPHOR, FLUORESCENT LAMP USING THE SAME, AND DISPLAY DEVICE AND ILLUMINATING DEVICE USING FLUORESCENT LAMP - A phosphor includes Eu-activated YVO01-08-2009
20100079057FLUORESCENT POWDER, PROCESS FOR PRODUCING THE SAME, AND LIGHT EMITTING DEVICE, DISPLAY DEVICE, AND FLUORESCENT LAMP CONTAINING FLUORESCENT POWDER - According to the present invention, a fluorescent powder composed mainly of an acicular or fibrous zinc oxide single crystal with an aspect ratio of 5 or higher is produced by the following steps: 04-01-2010
20080297024Low-Pressure Mercury Vapor Discharge Lamp and Compact Fluorescent Lamp - A low-pressure mercury vapor discharge lamp has a light-transmitting discharge vessel (12-04-2008
20100171413PROCESS FOR THE PREPARATION OF A LINE-EMITTER PHOSPHOR - The invention relates to novel line-emitter phosphors, to a process for the preparation thereof, and to white-emitting illumination units comprising the line-emitter phosphors according to the invention.07-08-2010
20090058255PLASMA DISPLAY DEVICE03-05-2009
20100033075WHITE LGHT-EMITTING DIODE AND ITS FLUORINE-OXIDE PHOSPHOR POWDER - The present invention discloses a fluorine-oxide phosphor powder, based on the cubic garnet fluorine oxide and yttrium aluminum oxide and using cerium as activator, is characterized in that the luminescent material is added with fluorine with a chemical equivalence formula as Y02-11-2010
20090153018PLASMA DISPLAY PANEL - Powder of a crystal body is disposed in positions respectively facing the discharge cells formed in the discharge space S defined between the front glass substrate and the back glass substrate of a PDP. The crystal body is included among an MgO crystal body having properties of causing CL (and PL) emission having a peak within a 200-nm to 300-nm wavelength range upon excitation by ultraviolet rays, and has properties of having a higher intensity of light emission caused by 146-nm wavelength ultraviolet light than the intensity of light emission caused by 172-nm wavelength ultraviolet light.06-18-2009
20090015130LIGHT EMISSION DEVICE AND DISPLAY DEVICE USING THE LIGHT EMISSION DEVICE AS A LIGHT SOURCE - A light emission device with improved high voltage stability, and a display device having the light emission device as its light source, the light emission device comprising front and rear substrates disposed to face each other, an electron emission unit disposed on the front substrate and having a plurality of electron emission elements, and a light emission unit including a metal reflective layer formed on the rear substrate and a phosphor layer formed on the metal reflective layer. Each of the electron emission elements includes first electrodes, second electrodes arranged between the first electrodes, and electron emission regions electrically connected to the first electrodes and having a thickness smaller that of the first electrodes.01-15-2009
20090206724Green phosphor and display device including the same - A green phosphor, including a first phosphor represented by Formula 1:08-20-2009
20100090582PLASMA DISPLAY PANEL AND PLASMA DISPLAY APPARATUS USING THE SAME - A high-luminance plasma display panel has at least has a plurality of discharge cells including a phosphor film emitting visible rays by excitation caused by ultraviolet light generated by the discharge of a discharge gas. The phosphor film has at least two layers of a phosphor layer and a reflecting layer, and the phosphor layer is arranged closer to the discharge space side than the reflecting layer. A film thickness Wt of the phosphor film is 40 μm or less, and a film thickness Wp of the phosphor layer, a particle diameter dp of a phosphor that is at least a part of components of the phosphor layer, a film thickness Wr of the reflecting layer, and a particle diameter dr of a reflecting material that is at least a part of components of the reflecting layer satisfy 2dp≦Wp≦5dp and 2dr≦Wr≦Wt−Wp.04-15-2010
20090273271HIGH PRESSURE METAL HALIDE LAMP - The invention relates to a high-pressure metal halide lamp, comprising an arc tube (11-05-2009
20090009051Fluorescent Substance and Plasma Display Panel - A fluorescent substance comprising a plurality of particles of (Y01-08-2009
20100102703DISCHARGE LAMP AND ILLUMINAN COMPOUND FOR A DISCHARGE LAMP - The invention relates to an illuminant compound for a discharge lamp (04-29-2010
20080238290Low Pressure Mercury Vapor Fluorescent Lamps - A low mercury consumption electric lamp is provided having a layer of a luminescent material comprising a phosphor derived from a mixture of a mixture of a cool-white calcium halophosphate, a red-emitting yttrium oxide (YOX), a green-emitting cerium, terbium lanthanum phosphate (LAP), and a blue-emitting europium-activated barium magnesium hexa-aluminate (BAM).10-02-2008
20080290778Fluorescent Lamp, Back Light Unit, And Method Of Manufacturing The Fluorescent Lamp - A fluorescent lamp including a curved glass bulb that has a layer including a phosphor layer on an inner surface, mercury and a rare gas enclosed inside, and a pair of electrodes at both ends, and when a tube inner diameter (mm) of the glass bulb is plotted on a horizontal axis of an orthogonal coordinate system and a total amount of CO11-27-2008
20080290779FLUORESCENT LAMP - A fluorescent lamp includes: a UV light-generating unit including a lamp seat, a lamp vessel sealed hermetically to the lamp seat, and a luminous gas contained sealingly in the lamp vessel for generating UV light when excited; and an outer vessel mounted detachably on the lamp seat, enclosing the lamp vessel, and having an inner surface coated with a UV-converting material.11-27-2008
20080203893Light-Emitting Device - The present invention is a light-emitting device which is provided with a phosphor layer containing a blue phosphor, wherein the phosphor layer includes an aluminate phosphor, as the blue phosphor, that contains Ba, Sr, Eu, Mg, Al and O as constituting elements at an atom-number ratio Ba:Sr:Eu:Mg:Al:O=p:q:r:1:w:17 wherein 0.70≦p≦0.95, 0≦q≦0.15, 0.05≦r≦0.20, p+q+r≧1, and 9.8≦w≦10.5 are satisfied, and a value of a linear coupling function s represented by a formula:08-28-2008
20080265738Fluorescent Lamp - The disclosed subject matter includes a fluorescent lamp and particularly a cold cathode fluorescent lamp that can be employed as a light source for a LCD backlight unit for a television, a computer, a display, and the like. The fluorescent lamp can include a couple of electrode units located opposite to each other at each end of a tube, a couple of welding beads sealing both the tube and the couple of electrode units, and a filler gas located in the tube. Each of the electrode units can include an emitter electrode that is configured with a crystalline silicon semiconductor material having an electrical conductivity or configured with other semiconductor materials, and can include a concave portion formed thereon. The electrode units can prevent blackening on an inner surface of the tube by avoiding the occurrence of spattering. Thus, the fluorescent lamp using the electrode units can enjoy a long life, high reliability, easy manufacture, and the like.10-30-2008
20080211378Enhanced UV-Emitting Fluorescent Lamp - An enhanced UV-emitting fluorescent lamp is described that provides a UV spectral emission for simultaneously tanning of the human skin and promotion of vitamin D production in the human body. The lamp contains a phosphor layer having a phosphor blend of three rare-earth-activated phosphors: SrB09-04-2008
20100201250METHOD OF PRODUCING ILLUMINANTS CONSISTING OF ORTHOSILICATES FOR pcLEDs - The invention relates to a process for the preparation of phosphors of the formula I08-12-2010
20100141113BLUE PHOSPHOR, LIGHT-EMITTING DEVICE, AND PLASMA DISPLAY PANEL - The present invention provides a blue phosphor that exhibits high luminance and shows less luminance degradation during driving of a light-emitting device. The present invention is a blue phosphor represented by the general formula aBaO.bSrO.(1−a−b)EuO.cMgO.dAlO06-10-2010
20120104931PLASMA DISPLAY PANEL - A protective layer of a plasma display panel includes a base layer formed on a dielectric layer, and a plurality of aggregated particles dispersed on an entire surface of the base layer. Phosphor layers include a green phosphor layer containing an Mn05-03-2012
20120068592RARE EARTH DOPED LUMINESCENT MATERIAL - A luminescent material includes an aluminate phosphor of formula I A03-22-2012
20080315749PHOSPHOR PASTE COMPOSITION AND METHOD OF MANUFACTURING FLAT DISPLAY DEVICE USING THE SAME - Provided are a phosphor paste composition, a flat display device including the same, and a method of manufacturing the flat display device. The phosphor paste composition contains a phosphor with at least a heat-resistant material selected from a Group II atom-containing material, a Group III atom-containing material, and a Group IV atom-containing material, a binder, and an organic solvent. By using the phosphor paste composition, the deterioration of the phosphor can be prevented during a heat treating process. The flat display device includes a phosphor layer containing the phosphor coated with the heat-resistant material such that lifetime of the flat display device is increased and a permanent residual image phenomenon, the adsorption of water by the phosphor, and the like can be prevented.12-25-2008
20100148658METHODS FOR PREPARATION OF NANOCRYSTALLINE RARE EARTH PHOSPHATES FOR LIGHTING APPLICATIONS - Disclosed here are methods for the preparation of optionally activated nanocrystalline rare earth phosphates. The optionally activated nanocrystalline rare earth phosphates may be used as one or more of quantum-splitting phosphor, visible-light emitting phosphor, vacuum-UV absorbing phosphor, and UV-emitting phosphor. Also disclosed herein are discharge lamps comprising the optionally activated nanocrystalline rare earth phosphates provided by these methods.06-17-2010
20090127999Discharge lamp with a monolithic ceramic color converter - The invention relates to a light emitting device, in particular discharge lamps with inner or outer electrodes or electrodeless in which the emittance of red light is enhanced by using a monolithic ceramic luminescence converter.05-21-2009
20100237765BLUE PHOSPHOR, AND LIGHT-EMITTING DEVICE USING THE SAME - The blue phosphor of the present invention is represented by the general formula aBaO.bSrO.(1−a−b)EuO.cMgO.dAlO09-23-2010
20100225224FLUORESCENT MATERIAL AND FLUORESCENT LAMP USING THE SAME - A fluorescent material is provided. The fluorescent material is expressed as: A09-09-2010
20100219742HALOPHOSPHATE PHOSPHORS AND METHOD OF PREPARING THE SAME - A method of preparing a halophosphate phosphor represented by Formula 1, the method comprising: mixing a metallic precursor compound, which comprises strontium pyrophosphate, strontium chloride and strontium carbonate, and an activator precursor compound to form a mixture; sintering the mixture under an oxygen or air atmosphere to form a sintered mixture; milling the sintered mixture to form a milled product, and sintering the milled product under a reducing atmosphere:09-02-2010
20100237764BLUE PHOSPHOR, AND LIGHT-EMITTING DEVICE USING THE SAME - The blue phosphor of the present invention includes ZrO09-23-2010
20100164360BLUE PHOSPHOR, LIGHT-EMITTING DEVICE, AND PLASMA DISPLAY PANEL - The present invention provides a phosphor having high luminance, a property of low luminance degradation during driving of a light-emitting device and manufacturing processes, and chromaticity y in PDP comparable to that of BAM:Eu. The present invention is the phosphor represented by the general formula xSrO.yEuO.MgO.zSiO07-01-2010
20090174307FLUORESCENT MIXTURE FOR FLUORESCENT LAMP, FLUORESCENT LAMP, BACKLIGHT ASSEMBLY HAVING THE SAME AND DISPLAY DEVICE HAVING THE SAME - A fluorescent lamp includes a lamp body, a fluorescent layer and a discharge electrode. The lamp body has a discharge space in which ultraviolet light is generated. The fluorescent layer is formed on an inner surface of the lamp body to change the ultraviolet light into visible light. The discharge electrode is on an end portion of the lamp body to apply a voltage to the discharge space. A ratio of intensities of the visible light at wavelengths of about 545 nm and about 516 nm is about 1.32:1 to about 1.71:1. Therefore, color reproducibility and luminance may be improved.07-09-2009
20090072704PHOSPHOR AND LIGHT-EMITTING DEVICE - The present invention provides a phosphor that has high luminance, a property of low luminance degradation during PDP driving, and chromaticity y comparable to that of BAM:Eu. The present invention is the phosphor that is represented by the general formula xAO.y03-19-2009
20100194263Method for Producing Illuminants Based on Orthosilicates for pcLEDs - The invention relates to a process for the preparation of phosphors of the formula I08-05-2010
20090218926METHOD OF MANUFACTURING BLUE SILICATE PHOSPHOR, AND BLUE SILICATE PHOSPHOR AND LIGHT-EMITTING DEVICE - The present invention provides a method of manufacturing a blue silicate phosphor having high luminance and a chromaticity y comparable to or lower than that of BAM:Eu. The present invention is a method of manufacturing a blue silicate phosphor represented by the general formula aAO.bEuO.(Mg09-03-2009
20110068678FLUORESCENT LAMP - The present invention relates to a fluorescent lamp including: a discharge space containing a discharge gas and being surrounded by a glass; a discharge electrode; a phosphor; and a mayenite type compound provided on at least a part of an inner surface contacting the discharge gas. According to the fluorescent lamp of the present invention, a fluorescent lamp that has good luminous efficiency of ultraviolet ray from a discharge gas, has good discharge characteristics such as discharge starting voltage and discharge sustaining voltage in a fluorescent lamp, is chemically stable, has excellent oxidation resistance, has excellent sputtering resistance, and can achieve electric power saving is provided.03-24-2011
20080278054Display Device, Screen Panel and Phosphor Material Composition Thereof - In an embodiment, a phosphor material composition comprises a phosphor powder and an additive, wherein the additive has an amount in a range of about 0.1%˜20% of the phosphor powder in weight. The material of the additive is selected from the group consisting of an energy absorption material and a conductive material and a combination thereof. In another embodiment, a phosphor material composition including a phosphor powder and an additive is provided, wherein the additive has an amount of 2.8 ppm˜32000 ppm. The material of the additive is also selected from the group consisting of an energy absorption material, a conductive material and a combination thereof.11-13-2008
20080252193Fluorescent Lamp, Backlight Unit and Liquid Crystal Television - The present invention relates to a fluorescent lamp, and in particular to a fluorescent lamp with an improved in-dark starting characteristic. A fluorescent lamp includes: a glass bulb (10-16-2008
20080203892Illumination System Comprising a Radiation Source and a Luminescent Material - An illumination system comprising a radiation source and a luminescent material comprising at least one phosphor capable of absorbing a part of the light emitted by the radiation source and emitting light of a wavelength different from that of the absorbed light, wherein said at least one phosphor is an amber to red-emitting cerium(III)-activated oxonitrido aluminate silicate of the general formula RE08-28-2008
20100060139MATERIAL FOR FORMING PROTECTIVE LAYER, METHOD OF PREPARING THE MATERIAL, AND PDP COMPRISING THE PROTECTIVE LAYER - Disclosed is a material for forming a protective layer, a protective layer employing the material and a PDP with the protective layer. Unlike conventional protective layers which employ MgO created in conditions of pressurized artificial gas, the instant protective layer uses MgO created by heating Mg and allowing it to oxidize naturally in air. The result is MgO with fewer defects that is more effective as a protective layer in many uses, such as in a PDP. The instant MgO also shows many specific spectral characteristics and contains impurities in amounts of less than about 2 ppm each. Also disclosed is a PDP which takes advantage of the advantages of the inventive protective layer.03-11-2010
20100026164LIGHT EMITTING DISPLAY DEVICE, PLASMA DISPLAY DEVICE AND PHOSPHOR PARTICLES - A fluorescence particle 02-04-2010
20080258601Device for Generating Uvc Radiation - A device for generating ultraviolet radiation by means of an excimer discharge, which device is equipped with an at least partly UV-transparent discharge vessel whose discharge space is filled with a gas filling, with means for triggering and maintaining an excimer discharge in the discharge space, and with a luminescent material that contains a phosphor comprising a host lattice of general formula (10-23-2008
20120206034RED PHOSPHOR MATERIAL AND PLASMA DISPLAY PANEL - The instant application describes a red phosphor material including Y(P08-16-2012
20090039758BONDING AGENTS FOR FLUORESCENT COLORING MATERIALS, PROCEDURE AND METHOD OF USE - An adhesive agent for fluorescent dyes for adhering a fluorescent layer on a substrate, wherein the adhesive agent contains or consists of a glass composition.02-12-2009
20120025696PHOSPHOR COATING FOR IRREGULAR SURFACES AND METHOD FOR CREATING PHOSPHOR COATINGS - Microstructured, irregular surfaces pose special challenges but coatings of the invention can uniformly coat irregular and microstructured surfaces with one or more thin layers of phosphor. Preferred embodiment coatings are used in microcavity plasma devices and the substrate is, for example, a device electrode with a patterned and microstructured dielectric surface. A method for forming a thin encapsulated phosphor coating of the invention applies a uniform paste of metal or polymer layer to the substrate. In another embodiment, a low temperature melting point metal is deposited on the substrate. Polymer particles are deposited on a metal layer, or a mixture of a phosphor particles and a solvent are deposited onto the uniform glass, metal or polymer layer. Sequential soft and hard baking with temperatures controlled to drive off the solvent will then soften or melt the lowest melting point constituents of the glass, metal or polymer layer, partially or fully embed the phosphor particles into glass, polymer, or metal layers, which partially or fully encapsulate the phosphor particles and/or serve to anchor the particles to a surface.02-02-2012
20100052505Tanning lamp - A low pressure fluorescent tanning lamp (03-04-2010
20090058253PLASMA DISPLAY DEVICE - A plasma display device having a panel main body in which a pair of transparent substrates is arranged in opposition so as to form a discharge space between the substrates on at least a front side, barrier ribs are arranged on at least one of the substrates to divide the discharge space into a plurality of spaces, a group of electrodes is arranged on the substrates so as to generate discharge in the discharge space divided with the barrier ribs, and phosphor layers that emit by discharge are provided, in which the phosphor layers are equipped with a green phosphor layer including at least a mixture of Zn03-05-2009
20090058254PHOSPHOR AND LIGHT-EMITTING DEVICE - The present invention provides a phosphor that has high luminance, a property of low luminance degradation during PDP driving, and chromaticity y comparable to that of BAM:Eu. The present invention is the phosphor that is represented by the general formula xAO.y03-05-2009
20100052506BLUE PHOSPHOR, LIGHT-EMITTING DEVICE, AND PLASMA DISPLAY PANEL - The present invention provides a blue phosphor having high luminance and showing less luminance degradation during driving of a light-emitting device. The present invention is a blue phosphor that includes: an alkaline earth metal aluminate represented by a general formula aBaO.bSrO.(1−a−b)EuO.cMgO.dAlO03-04-2010
20100270909LUMINOPHORE AND ILLUMINATION SYSTEM HAVING SUCH A LUMINOPHORE - A luminophore consisting of the BAM system as a host lattice, having the stoichiometry M10-28-2010
20120181918PLASMA DISPLAY PANEL - A plasma display panel includes a front plate, a rear plate facing the front plate, and a phosphor layer formed on the rear plate. The phosphor layer includes a green phosphor layer containing Zn07-19-2012
20080231161Low-Mercury-Consuming Fluorescent Lamps with Phosphor/Alumina-Containing Layer - A low-mercury-consuming fluorescent lamp (09-25-2008
20130020928PHOSPHOR PRECURSOR COMPOSITION - In accordance with one aspect of the present invention, a phosphor precursor composition is provided. The phosphor precursor composition includes gamma alumina, strontium oxide precursor, europium oxide precursor, and an alkaline earth metal precursor other than strontium oxide precursor which affords a phosphor having a formula selected from the group consisting of Sr01-24-2013
20080224590MANUFACTURING METHOD OF GAS DISCHARGE TUBE, GAS DISCHARGE TUBE, AND DISPLAY DEVICE - A gas discharge tube is manufactured by closing an opening of a glass tube by forming a glass layer with outer peripheral shape identical to the outer peripheral shape of the glass tube on an end face of the glass tube. An open end face (opening) of the glass tube is pressure-welded to a dry film containing a low melting point glass powder and a binder resin, and then the glass tube is lifted up to transfer the dry film for closing the opening to the end face of the glass tube. A phosphor support member is inserted into the glass tube from a side opposite to the end face and then an end of the phosphor support member is caused to adhere to the dry film. The binder resin is burnt off, and the dry film is vitrified to produce a low melting point glass layer.09-18-2008
20120248966REDUCED WATTAGE GAS DISCHARGE LAMP - A reduced wattage gas discharge lamp and method of making same. The gas discharge lamp includes a light transmissive envelope with an inner surface, having a light scattering reflective layer disposed thereon. A phosphor layer is coated on an inner surface of the light scattering reflective layer. A discharge-sustaining gaseous mixture is retained inside the light-transmissive envelope. The discharge-sustaining gaseous mixture includes at least 88% argon, by volume, at a low pressure. An electrode is located within the light-transmissive envelope. The electrode is capable of providing an electric discharge to trigger a reaction within the light-transmissive envelope to cause the lamp to emit light. The remainder of the discharge-sustaining gaseous mixture is substantially neon, at a low pressure. The low pressure is about 3.6 Torr.10-04-2012
20130134861FLUORESCENT LAMP UTILIZING ZINC SILICATE PHOSPHOR WITH IMPROVED LUMEN MAINTENANCE - Disclosed herein is a mercury vapor discharge lamp and methods for making same, where the lamp comprises a phosphor coating layer disposed on at least a portion of the inner surface of the lamp envelope. The phosphor coating layer comprises a phosphor composition comprising a colloidal alumina, particles comprising at least one rare earth compound, and phosphor particles, and the particles comprising at least one rare earth compound are present in the phosphor composition in an amount from about 0.5 percent to about 5 percent of the weight of the phosphor particles. The presence of colloidal alumina, the rare earth compound, and these selected phosphors may contribute to an increase at least one of lumen output or lumen maintenance for the lamp, as compared with the same mercury vapor discharge lamp comprising the same phosphor composition without colloidal alumina and without the particles comprising at least one rare earth compound.05-30-2013
20080203891Dielectric Barrier Discharge Lamp With Protective Coating - The subject of the present invention is a system incorporating a DBD lamp (08-28-2008
20090146545LOW-MERCURY-CONSUMING FLUORESCENT LAMPS - A low mercury consumption electric lamp is provided having a layer of a luminescent material which contains a phosphor blend having (1) about 50% by weight of the phosphor blend of a halophosphate phosphor wherein the average particle size of about 25% to 35% or more of the phosphor particles is about 3.3 to 4.0 microns or less, and (2) optionally, an intermediate layer of a Y, Sr, and borate material between the lamp surface and the phosphor layer.06-11-2009
20080197762Fluorescent Lamp - Disclosed is a fluorescent lamp having a phosphor layer formed on the inner wall of a lamp tube. The average particle size of the phosphors used in the phosphor layer is not more than 1 μm, and the thickness of the phosphor layer is not more than 5 μm. By having such a constitution, the ultraviolet light having a wavelength of 254 nm which is emitted from mercury sealed within the lamp tube can be efficiently converted into visible light and the visible light can be efficiently discharged outside the lamp tube.08-21-2008
20130207535Phosphor, Manufacture Thereof, Light-Emitting Device, and Image Display Device - Provided is a chemically-thermally stable phosphor having different emission characteristics from the conventional and exhibiting high emission intensity with an LED of 470 nm or less. A phosphor of the present invention includes A, D, E, and X elements (A is one or more kinds selected from Mg, Ca, Sr and Ba; D is one or more kinds selected from Si, Ge, Sn, Ti, Zr and Hf; E is one or more kinds selected from B, Al, Ga, In, Sc, Y and La; and X is one or more kinds selected from O, N and F), and an inorganic crystal of a crystal designated by Sr08-15-2013

Patent applications in class Including particular phosphor

Patent applications in all subclasses Including particular phosphor