| Patent application number | Description | Published |
|---|
| 20080272682 | Wavelength filtering high temperature nanostructure - The invention relates to a discharge lamp having a thin film indium oxide coating on the interior lamp envelope surface that effectively reflects UV, near IR and microwave radiation while transmitting light in the visible spectrum, the lamp being a high temperature operating lamp. | 11-06-2008 |
| 20090096342 | HIGHLY EMISSIVE MATERIAL, STRUCTURE MADE FROM HIGHLY EMISSIVE MATERIAL, AND METHOD OF MAKING THE SAME - The invention relates to a high temperature material modified to exhibit enhanced IR emittance in the wavelength range where a black body operating at the same high temperature exhibits peak emittance, to a light-transmissive body comprising the high temperature material, to a high intensity lamp comprising the high temperature material, and to a method of preparing the same. | 04-16-2009 |
| 20090098389 | HIGHLY EMISSIVE MATERIAL, STRUCTURE MADE FROM HIGHLY EMISSIVE MATERIAL, AND METHOD OF MAKING THE SAME - The invention relates to a high temperature material modified to exhibit enhanced IR emittance in the wavelength range where a black body operating at the same high temperature exhibits peak emittance, to a light-transmissive body comprising the high temperature material, to a high intensity lamp comprising the high temperature material, and to a method of preparing the same. | 04-16-2009 |
| 20090256460 | METHOD FOR PREVENTING OR REDUCING HELIUM LEAKAGE THROUGH METAL HALIDE LAMP ENVELOPES - A lamp and method for the reduction of gas loss in a high temperature lamp includes providing a light source and a surrounding shroud, using a fill gas outside of the light source and inside the shroud having a thermal conductance greater than nitrogen, and modifying the shroud so that it contains at least 20% of the initial fill gas for at least the rated life of lamp operation. The shroud is preferably modified by one or more of selecting the shroud material, controlling the thickness of the shroud, providing a coating on the shroud, and the selection of the fill gas. | 10-15-2009 |
| 20100019675 | HIGH INTENSITY DISCHARGE LAMP - A lamp includes a discharge sustaining fill which includes mercury halide, cesium halide, optionally one of indium halide and thallium halide, and a rare earth halide component selected from dysprosium halide, holmium halide, and thulium halide. In operation without a jacket, the lamp may have a color temperature of about 5300K to 6000K, a color rendering index of at least about 92 and an efficacy of at least about 85 LPW. | 01-28-2010 |
| 20100060164 | METHOD FOR BONDING CERAMIC TO METAL AND CERAMIC ARC TUBE WITH CERAMIC TO METAL BOND - A lamp includes a discharge vessel comprising a body portion defining a discharge space and leg members extending therefrom. Electrode assemblies include conductors carried by bores of the respective leg members. At least one of the conductors is bonded directly to the respective leg member within the bore, without the need for a sealing material, to form an airtight seal. Electrodes are electrically connected to the conductors and extend into the discharge vessel. An ionizable fill is sealed within the vessel. | 03-11-2010 |
| 20100102708 | ORGANIC LIGHT EMITTING DEVICE - An organic light emitting device including an anode including a lanthanide oxide. The lanthanide oxide is doped with a conductive material including rubidium, titanium, or combinations thereof. The organic light emitting device further includes a cathode, an organic hole transport layer intermediate the anode and cathode, and an electron injection layer intermediate the anode and cathode. | 04-29-2010 |
| 20100264807 | LAMP WITH IR SUPPRESSING PHOTONIC LATTICE - A light emitting device that includes a radiation emitter. The radiation emitter includes an emissive substrate which emits radiation. The device further includes an attenuating layer formed by annealing a layer of a different material with the substrate. An array of light transmission channels which are sized to suppress infrared radiation during operation of the light emitting device, extend into the attenuating layer. | 10-21-2010 |
| 20100327731 | LAMP WITH IR SUPPRESSING COMPOSITE - A lamp includes a filament for emitting light. The filament includes an emissive substrate which emits radiation when an electric current is applied. The substrate includes a doped surface and a coating layer supported on the doped surface. The coating layer includes at least one of a carbonitride and a boride. | 12-30-2010 |
| 20110089853 | ELECTRONIC DRIVER APPARATUS FOR LARGE AREA SOLID-STATE LEDS - An electronic driver apparatus is provided for driving power an organic LED, including a switchable inductance circuit and a controller to connect an inductance between a power source and the OLED during a startup period as power is first applied to the OLED. | 04-21-2011 |
| 20110089855 | KNOWLEDGE-BASED DRIVER APPARATUS FOR HIGH LUMEN MAINTENANCE AND END-OF-LIFE ADAPTATION - A knowledge-based driver is provided for powering a solid-state light source with a constant current, including a memory that stores lumens per amp and volts per amp performance characterizations of the light source over time, and a controller that operates in a test mode to estimate the light source degradation based on voltage feedback obtained at a predetermined test current value, and to adjust the drive current in normal operating mode according to the estimated device degradation to implement constant lumens control without external optical feedback components. | 04-21-2011 |
| 20110114924 | ORGANIC LIGHT EMITTING DIODE WITH MAGNETIC STRUCTURE FOR IMPROVED CURRENT ADAPTABILITY - An organic light emitting device includes a cathode and an optional substrate external to the device. The device further includes at least one film layer disposed on at least one of the cathode or the substrate. The at least one film layer includes at least one of a magnetic, a mixed magnetic material, and combinations thereof. The device further includes an anode and at least one organic layer intermediate the cathode and anode. | 05-19-2011 |
| 20110140626 | ELECTRONIC DRIVER DIMMING CONTROL USING RAMPED PULSED MODULATION FOR LARGE AREA SOLID-STATE OLEDS - An electronic driver apparatus and methods are disclosed for driving power an organic LED or other large area solid state light source, in which a switch mode DC current source provides DC current to drive the light source according to a control input and a controller provides a ramped pulse modulated control input to the current source for at least some values of a dimming setpoint signal or value to mitigate damaging current spikes by controlling di/dt of the drive current. | 06-16-2011 |
