Did You Know...
...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."
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| Number | Title | Issue Date |
| 7656081 | Imaging device with specific phosphor To provide an imaging device that shows high resolution and high luminance and produces good-quality images, an imaging device includes phosphor layer having a thickness of 40 μm or less and containing a phosphor having a composition represented by chemical formula... | 02/02/2010 |
| 7431864 | Phosphor, production method thereof and light emitting instrument The present invention aims at providing a blue-aimed phosphor powder which is more excellent in emission characteristic than the conventional rare-earth activated sialon phosphors and which is more excellent in durability than the conventional oxide phosphors. | 10/07/2008 |
| 7429340 | Phosphor 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-conta... | 09/30/2008 |
| 7413680 | Phosphor and fluorescent display device A phosphor including a matrix in the form of titanate expressed by Ca1-xSrxTiO3 (0 | 08/19/2008 |
| 7394191 | Image display device having a long-life phosphor layer The disclosed method can improve the luminescence life of an image display device. By using a blue luminescent phosphor having the phosphor component ZnS:M, N (where M is one or more elements selected from Cu, Ag, and Au, and N is one or more elements selected from ... | 07/01/2008 |
| 7394091 | Composite nano-particle and method for preparing the same There is provided composite nano-particles comprising nano-crystal particles dispersed stably and individually in suspension in high concentration without mutual aggregation of the nano-particles. A determined amount of pure water or deionized water is poured into a... | 07/01/2008 |
| 7361417 | Phosphor layer, image display device employing the same and method for making the phosphor layer A phosphor layer having improved contrast and brightness characteristics and a display device including the same are provided. The phosphor layer is made out of an ultra-fine pigment, a dispersant, a phosphor, a photosensitizer and a binder. The phosphor has a unifo... | 04/22/2008 |
| 7352130 | Arc discharge flashlamp First and second substrates are spaced apart and joined around a perimeter to define a gas chamber between the substrates. The first substrate is made of a material that transmits visible radiation. A layer of a phosphor material overlies an interior surface of one ... | 04/01/2008 |
| 7333587 | Method and system for imaging using multiple offset X-ray emission points A technique is provided for imaging a field of view using an X-ray source comprising two or more emission points. Each emission point is configured to emit a fan of radiation encompassing less than the entire field of view. The emission points are activated individu... | 02/19/2008 |
| 7315114 | Display apparatus provided with a light-emitting glass face panel having an inner surface coated with a phosphor layer A display apparatus includes a face plate that constitutes a part of a vacuum envelope, a phosphor layer formed on an inner surface of the face plate, and an electron beam source that emits electron beams to the phosphor layer. The face plate includes a light-emitti... | 01/01/2008 |
| 7298077 | Device for generating UV radiation A device for generating ultraviolet radiation by an excimer discharge is equipped with an at least partly UV-transparent discharge vessel whose discharge space is filled with a gas filling. The device includes electrodes for triggering and maintaining the excimer di... | 11/20/2007 |
| 7273568 | Phosphor and production method of the same, method of shifting emission wavelength of phosphor, and light source and LED A phosphor including a main production phase of a phosphor expressed by a composition formula of MmAaBbOoNn:Zz (where an element M is one or more bivalent elements, an element A is one or more trivalent elements, an element B is one or more tetravalent elements, O i... | 09/25/2007 |
| 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. The phosphor can be used alone or in conjunction with other phosphor... | 09/18/2007 |
| 7261838 | Electroluminescent phosphor The electroluminescent phosphor of this invention is comprised of zinc sulfide activated with copper and iodine and may produce an emission with an x color coordinate from 0.145 to 0.155 and a y color coordinate from 0.085 to 0.095. The phosphor preferably contains ... | 08/28/2007 |
| 7259400 | Nanocomposite photonic structures for solid state lighting A photonic structure for “white” light generation by phosphors under the excitation of a LED. The photonic structure mounts the LED and an optically transparent nanocomposite matrix having dispersed therein phosphors which will emit light under the excitation of... | 08/21/2007 |
| 7238535 | Test cell for evaluating phosphor An test cell is adapted for both making and testing samples. The cell includes a bottom plate and a top plate having concentric apertures defining a central test cavity. A post attached to the bottom plate closes off the bottom of the test cavity. A slide closes off... | 07/03/2007 |
| 7229332 | Method for manufacturing white light source A method for manufacturing a white light source provides an LED light source and a semiconductor-type phosphor with (Zn, Cd)S being the host with foreign ions added thereto as luminescence centers. The LED light source emits light ranging from 495 nm about (blue-gre... | 06/12/2007 |
| 7229572 | Photoluminescent phosphor powders, methods for making phosphor powders and devices incorporating same Photoluminescent 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 method of the invention advantageously permits the economic production... | 06/12/2007 |
| 7227302 | Color cathode-ray tube Optical filter layers that transmit only light with a desired wavelength are provided in a non-formation region of an optical absorbing layer formed on an inner surface of a glass panel, and phosphor layers that emit either one of red, green, and blue light are prov... | 06/05/2007 |
| 7226547 | Electroluminescent phosphor powders, methods for making phosphor powders and devices incorporating same Electroluminescent 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 method of the invention advantageously permits the economic producti... | 06/05/2007 |
| 7211942 | Radiation image conversion panel There is provided a radiation image conversion panel having a sufficient quantity of emitted light and high graininess. The radiation image conversion panel has a phosphor layer containing a stimulable phosphor and a binder. The phosphor layer has at least two layer... | 05/01/2007 |
| 7208103 | Quantum-splitting fluoride-based phosphors, method of producing, and devices incorporating the same A quantum-splitting phosphor has a formula of ADF5:Pr3+, 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 without using hazardous HF gas. The phosphor can be use... | 04/24/2007 |
| 7202594 | Display device panel with an emitting fluorescent film composed of red fluorescent particles covered with a red pigment A display device which includes, a display panel, a red emitting fluorescent film, a green emitting fluorescent film, and a blue emitting fluorescent film, each of the fluorescent films being formed on an inner surface of the display panel. The red emitting fluoresc... | 04/10/2007 |
| 7173367 | Coated non-oxide cathodoluminescent phosphors, films thereof and field emission devices therewith This invention is directed to phosphor particles and to field emission displays using the particles, each of the particles is coated with an electrically conducting material to impart to the particles environmental stability, stability under use conditions, and redu... | 02/06/2007 |
| 7161287 | Green emitting yttrium silicate phosphor and cathode-ray tube using the same The present invention provides a green emitting yttrium silicate phosphor, which has an improved temperature characteristic and life, and a cathode-ray tube using it. A green emitting yttrium silicate phosphor according to the present invention comprises a compositi... | 01/09/2007 |
| 7153451 | Phosphors and related manufacturing method, display device, and fluorescent lamp Phosphors having high luminescence characteristics are provided while achieving manufacturing cost reductions by minimizing the usage amount of Eu, the luminescence center. Also provided are a display device (PDP, etc) and a fluorescent lamp having excellent display... | 12/26/2006 |
| 7147803 | Process for the preparation of pink light-emitting diode with high brightness The subject invention relates to yttrium aluminum garnet fluorescent powders with formula (Y3-x-yZxEuy)Al5O12 or (Y3ZxEuy)Al5O12, wherein 0 | 12/12/2006 |
| 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 |
| 7138756 | Phosphor for electron beam excitation and color display device using the same A phosphor, which has less reduction in emission efficiency and is capable of keeping high luminance even when density of an electron beam for exciting the phosphor increases, is provided. As raw materials, Ca3N2 (2N), AlN (3N), Si3N... | 11/21/2006 |
| 7135222 | Radiographic image conversion panel A radiographic image conversion panel including, a support and a photostimulable phosphor layer formed on the support by a vapor deposition method. The support has a plurality of carbon fiber reinforced resin sheets each of which includes carbon fibers arranged in a... | 11/14/2006 |
| 7132786 | Luminescent array, wavelength-converting sealing material and light source The invention proposes an arrangement of luminescent materials for excitation by means of a radiation source and involving the use of a luminescent material having a Ce-activated garnet structure A3B5O12, in which the first component... | 11/07/2006 |
| 7132783 | Phosphor particles having specific distribution of average diameters Small particles provide for improved performance as phosphors especially in the production of display devices. Particles with an diameter less than about 100 nm have altered band properties that affect the emission by the particles. A collection of such small partic... | 11/07/2006 |
| 7122128 | Phosphors containing borate of terbium, alkaline-earth, and Group-3 metals, and light sources incorporating the same A phosphor comprises a borate of terbium, at least an alkaline-earth metal, and at least a Group-3 metal. In one embodiment, the phosphor has a formula of A3(D1-xTbx)3(BO3)5; wherein A is at least an ... | 10/17/2006 |
| 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 ions at a level up to about 60 mole % and consist of particles having ... | 08/22/2006 |
| 7081632 | Radiation image storage panel A radiation image storage panel comprises a stimulable phosphor layer capable of emitting light when being exposed to stimulating rays, which cause the stimulable phosphor layer to emit the light in proportion to an amount of energy stored on the stimulable phosphor... | 07/25/2006 |
| 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 AMgD10O17:Eu2+,Mn2+, wherein A is at least an alkaline-earth metal selected from the group consisting of Ba, Sr, Ca, and combinations thereof; and D is at least a metal s... | 07/18/2006 |
| 7077980 | Phosphors containing oxides of alkaline-earth and group-13 metals, and light sources incorporating the same A phosphor comprises europium, at least two alkaline-earth metals, and at least a Group-13 metal. In one embodiment, the phosphor has a formula selected from the group consisting of Sr4-a-zAaEuzD12O22 and Sr | 07/18/2006 |
| 7071609 | Red phosphor for low-voltage electron beam To provide a red phosphor red phosphor, for low-voltage electron beams, excellent in the life characteristic of its emission luminance and phosphors, for low-voltage electron beams, emitting light in various colors, the red phosphor containing SrTiO3:Pr, ... | 07/04/2006 |
| 7067073 | Yellow ZnS-based phosphor, process of preparing the same and display device using the phosphor A yellow ZnS-based phosphor which has improved color coordinates and luminance for use in intermediate- and low-voltage display devices using improved activators and coactivators is a (ZnS: Mn, Cu) phosphor which has color coordinates (x, y) shifting to a yellow emi... | 06/27/2006 |
| 7052352 | Anode screen for a phosphor display and method of making the same An anode screen for a field-emission-display is formed by layering light-permeable conductive material and phosphor respectively over a transparent substrate. A plurality of holes are formed in the layer of phosphor to expose corresponding regions of the conductive ... | 05/30/2006 |
