Patent application number | Description | Published |
20080246005 | Phosphor for blue-light led, blue-light led using same - A phosphor for blue-light LEDs formed by different solid solutions of (ΣLn) | 10-09-2008 |
20080290319 | Red Light Phosphor and Multilayer Photo-Transforming Film - The present invention relates to a red light phosphor, which is based on sulfide and activating agent containing rare earth strontium or hafnium. It is characterized by that the aforementioned materials are a fluorine-sulfur oxide containing lanthanum-yttrium-zirconium and/or hafnium with its stoichiometric formula as (La | 11-27-2008 |
20080290355 | Warm white LED and its phosphor that provides orange-yellow radiation - A phosphor providing orange-yellow radiation for use in warm white LEDs (light emitting diodes) is disclosed to include a substrate prepared from a rear-earth garnet and an activating agent prepared from cerium. The phosphor has a constant radiation maximum value under excitement of InGaN, and the total chemical stoichiometric equation of the phosphor substrate is (ΣLn) | 11-27-2008 |
20090025792 | Silicon-Based Photovoltaic Cell and Its Red Light Conversion Layer - A silicon-based photovoltaic cell is disclosed having a red light conversion layer that absorbs ultraviolet rays, blue-purple or yellow-green light of the Sun's solar radiation and converts the absorption into a red, dark red and near infrared subband radiation. The maximum value of the solar radiation absorbed by the red light conversion layer is μ=470˜490 nm, and the maximum value of the photoluminescent spectrum of the red light conversion layer is within the photosensitive spectral zone of said single-crystal silicon substrate λ=700˜900 nm, i.e., in conformity with the optimual sensitivity area of silicon-based solar cells. The red light conversion layer has filled therein an ethyl acetoacetate or polycarbonate-based light-transmissive polymer that has evenly distributed therein a phosphor composed of α-Al | 01-29-2009 |
20090151785 | SOLAR CELL AND ITS SPECTRUM CONVERTER - A solar cell is disclosed to include a single crystal silicon chip, an electrode system, a glass plate cover, a polymer film set between the single crystal silicon chip and the glass plate cover, and a spectrum converter containing an inorganic phosphor, which absorbs radiation in purple, blue and green light of the Sun's solar radiation and converts the absorption into a photoluminescent light in yellow, orange-yellow and infrared area in the electromagnetic spectrum. The architecture characteristic of the solar cell increases the efficiency by about 20%. | 06-18-2009 |
20090151786 | SOLAR CELL AND ITS TRANSPARENT LIGHT CONVERSION FILM - The present invention discloses a solar cell which can enhance the absorption of the short-wavelength range radiation λ<400 nm of the sun and re-radiate in the wavelength range λ=500˜780 nm to enhance the solar cell's capability in absorbing more long-wavelength radiation and form separate electron-hole pairs so as to increase the output power of the solar cell assembly. Furthermore, the present invention also provides a transparent light conversion film for solar cells. | 06-18-2009 |
20090152494 | THREE-BAND PHOSPHOR FOR MULTI-LAYER AGRICULTURAL PLASTIC FILM - A blue-green-red three-band phosphor for multilayer agricultural plastic film for converting near ultraviolet light in photosynthetic active radiation is disclosed. The substrate of the phosphor is prepared from the group IIA element SiO | 06-18-2009 |
20090152495 | HIGH-BRIGHTNESS YELLOW-ORANGE YELLOW PHOSPHOR FOR WARM WHITE LED - A high-brightness yellow-orange yellow phosphor for use in warm white LED (light emitting diode), the high-brightness yellow-orange yellow phosphor comprises a substrate based on a rare-earth garnet and cerium for activating said substrate. The high-brightness yellow-orange yellow phosphor has the substances of Li | 06-18-2009 |
20090152575 | Orange-yellow silicate phosphor and warm white semiconductor using same - A silicate phosphor prepared from Mg | 06-18-2009 |
20090152576 | Blue-green light-emitting semiconductor and phosphor for same - A blue-green light emitting semiconductor having an In—Ga—N heterostructure and covered with a light-converting layer formed of a thermosetting polymer layer and an inorganic phosphor having a long wave Stokes radiation displacement characteristic, characterized in that the In—Ga—N semiconductor heterostructure emits light in near ultraviolet region λ=375˜405 nm, the light-converting layer converts the emission λ=375˜405 nm to wavelength λ=505˜515 nm; the wavelength light emitted by the light-converting layer has Stokes displacement 135˜105 nm, color coordinates 0.1506-18-2009 | |
20090153027 | Warm-white semiconductor and its phosphor with red-spectrum garent structure - The present invention discloses a warm-white semiconductor and its phosphor with red-spectrum garnet structure, comprising at least a semiconductor heterojunction and a light conversion film. The semiconductor heterojunction and light conversion film are characterized by that the warm-white luminescence is made up of three spectral bands which are related to the radiation of the activators, Ce, Pr, and Dy, in the inorganic phosphor of the light conversion film. The stoichiometric formula of the phosphor is (Y | 06-18-2009 |
20090173915 | Light-storing phosphor - A light-storing phosphor prepared from a matrix (host) based on the element of aluminate of group IIA and activated by Eu | 07-09-2009 |
20090289226 | Compound Material for Inorganic Phosphor and White LED - A compound material for white LED, including an inorganic phosphor, an inorganic light scatter and a polymer adhesive for interaction with a shortwave light radiated by an InGaN heterostructure. The light scatter is a nano-scale powder material formed of A | 11-26-2009 |
20090289269 | PACKAGING STRUCTURE OF LIGHT EMITTING DIODE - The present invention discloses a light-emitting diode packaging structure, comprising a base; a chip; a first material disposed on at least one side of the chip and having a first refraction index; a second material disposed upon the chip, having a second refraction index, and separated with the first material with an interface therebetween to refract the light refracted from the first material; and a ball lens disposed upon the second material and forming a confined space with the base; whereby, the light emitted from the chip refracts through the first refraction material and the second refraction material and finally emits out from the ball lens. | 11-26-2009 |
20090289545 | Warm-White Light-Emitting Diode and Its Phosphor Powder - The present invention discloses a warm-white-light emitting diode has the substrate of indium gallium nitride (InGaN) heterojunction containing a large amount of quantum wells and having a light conversion polymer layer, characterized by that the light conversion polymer layer is uniform in concentration, the light-emitting surface and edges of the indium gallium nitride heterojunction are covered with a thermosetting polymer, and the light conversion polymer layer contains some fluorescent powders, which are formed as at least two particle layers in the light conversion polymer layer to ensure the light transmitted reaching 20% of the first-order blue light and 70-80% of the second-order orange-yellow light from the indium gallium nitride heterojunction. The present invention also discloses a fluorescent powder. | 11-26-2009 |
20090315047 | Warm white light-emitting diode and thin film and its red phosphor powder - The invention discloses a red phosphor powder which is based on strontium (Sr) aluminiate and using europium (Eu) as exciting agent, and is characterized by that its chemical equivalence formula is (SrO) | 12-24-2009 |
20090315449 | Warm-white light-emitting diode and its orange phosphor powder - The present invention discloses an orange phosphor powder having a rare-earth aluminate have garnet structure, which is characterized by that its chemical composition is added with compounds of the IV and V groups elements and the stoichiometry formula of the orange phosphor powder is (ΣLn) | 12-24-2009 |
20100006875 | WHITE LIGHT-EMITTING DIODE AND ITS LIGHT CONVERSION LAYER - The present invention discloses a white light-emitting diode based on In—Ga—N nitride heterojunction is characterized by that the light-emitting diode has primary blue light emission of a specific wavelength and a light conversion layer so as to generate white light. Further, the present invention also discloses a light conversion layer and its fluorine oxygen garnet phosphor powder. | 01-14-2010 |
20100025720 | PACKAGING STRUCTURE AND METHOD FOR LIGHT-EMITTING DIODE - The present invention discloses a packaging structure for light-emitting diode, which comprises a grain to provide electroluminescence; a solder paste layer disposed on the bottom and perimeter of the grain to connect the grain with at least one support; and a heat-conducting layer disposed at the bottom of the grain to work as a heat-dissipating path for the grain, so that the aforementioned structure may significantly reduce the packaging thermal resistance of light-emitting diode. Further, the present invention also discloses a packaging method for light-emitting diode, which is capable of greatly reducing the packaging thermal resistance of light-emitting diode. | 02-04-2010 |
20100027269 | EVEN LUMINANCE, HIGH HEAT DISSIPATION EFFICIENCY, HIGH POWER LED LAMP STRUCTURE - An even luminance, high heat dissipation efficiency, high power LED lamp structure includes an aluminum extrusion body, an aluminum die cast front casing and an aluminum die cast rear casing respectively provided at two distal ends of the aluminum extrusion body, a PC board mounted inside the aluminum extrusion body, LEDs mounted in different LED mounting faces of the PC board at different angles, an inner cover plate decorating the inside of the aluminum die cast front casing, a transparent outer cover covering the bottom side of the aluminum extrusion body and sealed with a water seal, and a retaining device fastened to the aluminum extrusion body to secure the transparent outer cover in place. | 02-04-2010 |
20100032622 | Orange-yellow phosphor and warm white LED using the same - A phosphor providing orange-yellow radiation is prepared from a cerium activated rear-earth garnet substrate that contains Li (lithium), Si (silicon), N (nitrogen) and F (fluorine) atoms, obtaining the overall stoichiometric equation of (ΣLn) | 02-11-2010 |
20100033075 | WHITE 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 Y | 02-11-2010 |
20100039022 | TRICHROMATIC FIELD-EMISSION DISPLAY AND PHOSPHORS THEREOF - A trichromatic field-emission display is disclosed to include a cathode plate, three cathode electroluminescent phosphor screens and an anode plate, the anode plate having a transparent oxide thin film bonded to the photo gate electrode thereof, electron sources emitted by the photo gate electrode of the cathode plate striking the cathode electroluminescent phosphor screens to cause change of the electric field in the gap between the cathode plate and the anode plate. The cathode electroluminescent phosphor screens are made of an excitable rare earth element, assuring high stability and uniformity of luminous brightness when excited by an electron beam. | 02-18-2010 |
20100044729 | WARM-WHITE LIGHT EMTITTING DIODE AND ITS HALIDE PHOSPHOR POWDER - The invention relates to a halide phosphor powder for warm-white light emitting diode, which is a kind of low-color-temperature phosphor powder of halide nitride based on garnet of rare earth oxides, uses cerium as activating agent and is characterized in that chloride (Cl | 02-25-2010 |
20110001418 | HIGH HEAT DISSIPATION ELECTRIC CIRCUIT BOARD AND MANUFACTURING METHOD THEREOF - The present invention relates to a high heat dissipation electric circuit board, comprises: an electric conductive wiring layer serving to be installed with at least one electronic unit, on which a wiring is formed for being connected to the electronic unit; an insulation layer, installed on one side of the electric conductive wiring layer; and a graphite heat conduction layer, installed on one side of the insulation layer for uniformly dissipating heat generated by the electronic unit. Moreover, the present invention also provides a manufacturing method of high heat dissipation electric circuit board. | 01-06-2011 |
20110297226 | PHOTOVOLTAIC CELL AND ITS TRANSPARENT LIGHT CONVERSION POWDER - A photovoltaic cell is disclosed to include a monocrystalline silicon wafer, and a transparent light conversion powder which is made in the form of a polymer layer with a transparent phosphor powder filled therein and kept in contact with the outer surface of the monocrystalline silicon wafer to enhance the absorption of the short-wavelength radiation ultraviolet λ<480 nm of the sun and to re-radiate in the wavelength range λ=500˜980 nm, wherein the phosphor powder is formulated as Me | 12-08-2011 |
20110298358 | WARM WHITE LED AND ITS LUTETIUM-BASED PHOSPHOR - A lutetium-based phosphor having the chemical formula: xLu | 12-08-2011 |