Patent application number | Description | Published |
20080296596 | NOVEL GREEN EMITTING PHOSPHORS AND BLENDS THEREOF - Phosphor compositions, blends thereof and light emitting devices including white light emitting LED based devices, and backlights, based on such phosphor compositions. The devices include a light source and a phosphor material as described. Also disclosed are phosphor blends including such a phosphor and devices made therefrom. | 12-04-2008 |
20090020775 | RED LINE EMITTING COMPLEX FLUORIDE PHOSPHORS ACTIVATED WITH Mn4+ - New phosphor materials including a complex fluoride phosphor activated with Mn | 01-22-2009 |
20090152497 | PERSISTENT PHOSPHOR - A long-lived phosphor composition is provided, along with methods for making and using the composition. More specifically, in one embodiment, the phosphor comprises a material having a formula of A | 06-18-2009 |
20100059668 | Scintillator material and radiation detectors containing same - A sintered, annealed scintillator composition, which, prior to annealing, has a formula of A | 03-11-2010 |
20100096974 | BLUE-GREEN AND GREEN PHOSPHORS FOR LIGHTING APPLICATIONS - Embodiments of the present techniques provide a related family of phosphors that may be used in lighting systems to generate blue or blue-green light. The phosphors include systems having a general formula of: ((Sr | 04-22-2010 |
20100148658 | METHODS 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 |
20110127905 | ALKALINE EARTH BORATE PHOSPHORS - A phosphor of formula I is included phosphor composition in a lighting apparatus capable of emitting white light | 06-02-2011 |
20110175029 | PERSISTENT PHOSPHOR - A persistent phosphor of formula I is provided, along with methods for making and using the phosphor: | 07-21-2011 |
20110255265 | PHOSPHOR MATERIALS AND RELATED DEVICES - A phosphor material is presented that includes a blend of a first phosphor, a second phosphor and a third phosphor. The first phosphor includes a composition having a general formula of ((Sr | 10-20-2011 |
20110279011 | COLOR STABLE PHOSPHORS - An LED lamp includes a light source configured to emit radiation with a peak intensity at a wavelength between about 250 nm and about 550 nm; and a phosphor composition configured to be radiationally coupled to the light source. The phosphor composition includes particles of a phosphor of formula I, said particles having a coating composition disposed on surfaces thereof; | 11-17-2011 |
20120019126 | OXYNITRIDE PHOSPHORS, METHOD OF PREPARATION, AND LIGHT EMITTING INSTRUMENT - An oxynitride phosphor is presented. The oxynitride phosphor has a formula: ApBqOrNs: R such that A is barium or a combination of barium with at least one of Li, Na, K, Y, Sc, Be, Mg, Ca, Sr, Ba, Zn, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Yb, and Lu; B is silicon or a combination of silicon with at least one of Al, B, Ga, and Ge; R is europium or a combination of europium with at least one of Ce, Pr, Sm, Nd, Tb, Dy, Yb, Tm, Er, Ho, and Mn. p, q, r, s are numbers such that p is greater than about 2 and less than about 6, q is greater than about 8 and less than about 10, r is greater than about 0.1 and less than about 6, and s is greater than about 10 and less than about 15. The method of preparing the oxynitride phosphors and light emitting apparatus including the oxynitride phosphors are included. | 01-26-2012 |
20120299466 | COLOR STABLE MANGANESE-DOPED PHOSPHORS - A lighting apparatus capable of emitting white light includes a semiconductor light source; and a phosphor material radiationally coupled to the light source. The phosphor material includes a color-stable Mn | 11-29-2012 |
20130270482 | RARE EARTH GARNET SCINTILLATOR AND METHOD OF MAKING SAME - A detector for detecting high-energy radiation is disclosed. The detector includes scintillating material with a garnet structure includes gadolinium, yttrium, cerium, gallium, and aluminum. The scintillating material is expressed as (Gd | 10-17-2013 |
20140116079 | METHOD AND SYSTEM FOR STORAGE OF PERISHABLE ITEMS - A method and system for storage of perishable items is provided. The system includes at least one enclosed compartment to store the perishable items. At least one of the walls of the enclosed compartment is detachable to allow movement of the perishable items in and out of the compartment. The system further includes a plurality of light emitting diodes (LEDs) that are disposed on one of the walls of the compartment. The LEDs include one or more blue LEDs that are coated with a layer of phosphor material. The LEDs are electrically coupled with a power source. The system further includes a control unit that is configured to control power supplied by the power source to the LEDs based on presence of the perishable items in the compartment. | 05-01-2014 |
20140231857 | PHOSPHOR MATERIALS AND RELATED DEVICES - A phosphor material is presented that includes a blend of a first phosphor, a second phosphor and a third phosphor. The first phosphor includes a composition having a general formula of RE | 08-21-2014 |
20140264418 | COLOR STABLE RED-EMITTING PHOSPHORS - A process for synthesizing a color stable Mn | 09-18-2014 |
20140268655 | COLOR STABLE RED-EMITTING PHOSPHORS - A color stable Mn4+ doped phosphor of formula I, | 09-18-2014 |
20140327023 | PHOSPHOR ASSEMBLY FOR LIGHT EMITTING DEVICES - A method for fabricating a light emitting device is disclosed. The light emitting device includes a light emitting diode (LED). The method includes disposing a layered phosphor composite or a thick phosphor composite radiationally coupled to the LED to form a light emitting device. The layered phosphor composite includes a first phosphor layer including a yellow-emitting phosphor over a second phosphor layer including manganese-doped potassium fluorosilicate (PFS). The second phosphor layer is disposed closer to the LED. The mass of the PFS of this light emitting device is at least 15% less than mass of the PFS in a reference light emitting device that has the same color temperature as the above mentioned light emitting device, but includes a blend of PFS and the yellow emitting phosphor instead of a layered configuration or has a decreased thickness. | 11-06-2014 |
20140327026 | COLOR STABLE RED-EMITTING PHOSPHORS - A process for synthesizing a color stable Mn | 11-06-2014 |