| Patent application number | Description | Published |
|---|
| 20080198573 | Illumination System Comprising Color Deficiency Compensating Luminescent Material - In order to improve the color rendition of solid-state illumination devices, an illumination system comprising a radiation source capable of emitting primary radiation and a luminescent material comprising a blend of a first phosphor capable of converting the primary radiation into a broad-band emission in the yellow range of the electromagnetic spectrum and a second phosphor capable of converting the primary radiation into a multiple narrow-band emission in the red and green range of the electromagnetic spectrum is provided. | 08-21-2008 |
| 20080203892 | Illumination 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 RE | 08-28-2008 |
| 20080220260 | Light Emitting Device With A Ceramic Sialon Material - The invention relates to a light emitting device, especially a LED comprising a SiAION material with a transparency of ≧10% to ≦85% for light in the wavelength range from ≧550 nm to ≦1000 nm. | 09-11-2008 |
| 20080258601 | Device 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 |
| 20090127999 | Discharge 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 |
| 20090184624 | LIGHT EMITTING DEVICE WITH IMPROVED CONVERSION LAYER - The invention relates to a light emitting device comprising a substrate layer and a light conversion layer located on said substrate layer, whereby the light conversion layer is a polycrystalline ceramic layer, characterized in that the light conversion layer is positioned on the substrate layer by sintering. | 07-23-2009 |
| 20090187234 | COLORED AND WHITE LIGHT GENERATING LIGHTING DEVICE - A lighting device for generating colored and white light. According to the invention the lighting device comprises at least one light source ( | 07-23-2009 |
| 20100133563 | ILLUMINATION 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 light emitted by the radiation source and emitting light of wavelength different from that of the absorbed light; wherein said at least one phosphor is a yellow red-emitting cerium(III)-activated alkaline earth oxonitridoaluminosilicate of general formula Ca1−x−yAxAl1+a−bBbSi1−aN3−aOa:Cey, wherein A selected from the group comprising beryllium, magnesium, strontium, barium, zinc, manganese, lithium, sodium, potassium, rubidium, praseodymium, samarium, europium, and B selected from the group comprising boron, gallium, scandium and wherein 0| 06-03-2010 | |
