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 |
20080231171 | Illumination System Comprising a Radiation Source and Fluorescent Material - The invention concerns an illumination system comprising a radiation source and a fluorescent material comprising at least one phosphor capable of absorbing 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 a yellow to red-emitting europium(II) activated halogeno-oxonitridosilicate of the general formula Ea | 09-25-2008 |
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 |
20080290785 | Light Emitting Device with an Improved Caalsin Light Converting Material - Light emitting device with a light source to emit primary light and a light conversion layer to convert at least a part of the primary light into secondary light comprising a CaAlSiN light converting material with a transmissivity of >10% to ≦80% for a light in the wavelength range from >580 to ≦lOOOnm. | 11-27-2008 |
20090032772 | LUMINESCENT MATERIAL - The invention relates to a luminescent material comprising a luminescent particle ( | 02-05-2009 |
20090114939 | 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 having a wavelength different from that of the absorbed light; wherein said at least one phosphor is a yellow to red-emitting europium(II)-activated ortho-phosphosilicate of general formula EA | 05-07-2009 |
20090218581 | ILLUMINATION SYSTEM COMPRISING A RADIATION SOURCE AND A LUMINESCENT MATERIAL - An illumination system, comprising a radiation source ( | 09-03-2009 |
20100053933 | WHITE EMITTING LIGHT SOURCE AND LUMINESCENT MATERIAL WITH IMPROVED COLOUR STABILITY - The invention relates to a white emitting light source with an improved luminescent material of the formula (AEN2/3)*b(MN)*c(SiN4/3)*d1CeO3/2*d2EuO*xSiO2*yAlO3/2 wherein AE is an alkaline earth metal chosen of the group of Ca, Mg, Sr and Ba or mixtures thereof and M is a trivalent element chosen of the group of Al, B, Ga, Sc with d1>10*d2. In combination with a UV to blue light generating device this material leads to an improved light quality and stability, especially an improved temperature stability for a wide range of applications. | 03-04-2010 |
20100060144 | TRI-COLOR WHITE LIGHT LED LAMP - The invention relates to a tri-color lamp for generating white light comprising a phosphor composition comprising a phosphor of general formula (Ba | 03-11-2010 |
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 006-03-2010 | |
20100244076 | LIGHT EMITTING DEVICE COMPRISING A GREEN EMITTING SIALON-BASED MATERIAL - The invention relates to a light emitting device, especially a LED comprising a green emitting material of the composition Sr | 09-30-2010 |
20100320492 | RED EMITTING SIAION-BASED MATERIAL - The invention relates to a red emitting material of the composition a(M | 12-23-2010 |
20110084232 | ILLUMINATION SYSTEM COMPRISING A RADIATION SOURCE AND A FLUORESCENT MATERIAL - The invention concerns an illumination system for generation of colored, especially amber or red light, comprising a radiation source and a fluorescent 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 amber to red emitting a rare earth metal-activated oxonitridoalumosilicate of general formula (Ca | 04-14-2011 |
20120194060 | Red Emitting Luminescent Materials - The invention relates to an improved red light emitting material of the formula M | 08-02-2012 |
20130240943 | RED EMITTING LUMINESCENT MATERIALS - The invention relates to a novel red emitting material of (Ba | 09-19-2013 |
20140070693 | WHITE EMITTING LIGHT SOURCE AND LUMINESCENT MATERIAL - The invention relates to a white emitting light source with an improved luminescent material of the formula (AEN2/3)*b(MN)*c(SiN4/3)*d1CeO3/2*d2 EuO*xSiO2*yAlO3/2 wherein AE is an alkaline earth metal chosen of the group of Ca, Mg, Sr and Ba or mixtures thereof and M is a trivalent element chosen of the group of Al, B, Ga, Sc with d1>10*d2. In combination with a UV to blue light generating device this material leads to an improved light quality and stability, especially an improved temperature stability for a wide range of applications. | 03-13-2014 |
20140319537 | WHITE EMITTING LIGHT SOURCE AND LUMINESCENT MATERIAL - The invention relates to a white emitting light source with an improved luminescent material of the formula (AEN2/3)*b (MN)*c (SiN4/3)*d1 CeO3/2*d2 EuO*x SiO2*y AlO3/2 wherein AE is an alkaline earth metal chosen of the group of Ca, Mg, Sr and Ba or mixtures thereof and M is a trivalent element chosen of the group of Al, B, Ga, Sc with d1>10*d2. In combination with a UV to blue light generating device this material leads to an improved light quality and stability, especially an improved temperature stability for a wide range of applications. | 10-30-2014 |