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 |
20080217636 | Electroluminescence Device - An electroluminescence device comprising at least one electroluminescence light source ( | 09-11-2008 |
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 |
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 |
20080259431 | Laser Projection System Based on a Luminescent Screen - The present invention relates to a laser projection system consisting of at least one first laser light source ( | 10-23-2008 |
20090026908 | LIGHT-EMITTING DEVICE - A light-emitting device comprising a solid-state light source ( | 01-29-2009 |
20090066221 | ELECTROLUMINESCENT DEVICE - A conversion element ( | 03-12-2009 |
20090072710 | FLUORESCENT LIGHTING CREATING WHITE LIGHT - A light emitting system ( | 03-19-2009 |
20090078949 | LIGHT EMITTING DEVICE WITH CONVERSION STRUCTURE - The invention relates to a light-emitting device comprising a conversion structure and one or several LEDs ( | 03-26-2009 |
20090105065 | LIGHT EMITTING DEVICE WITH A CERAMIC GARNET MATERIAL - The invention relates to a light emitting device, especially a LED comprising a ceramic garnet material. | 04-23-2009 |
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 |
20090174309 | LIGHT EMITTING DEVICE WITH A AT LEAST ONE CERAMIC SPHERICAL COLOR CONVERTER MATERIAL - The invention relates to a light emitting device comprising at least one light source and at least one ceramic spherical color converter material, which helps to ease the manufacture as well as to improve the luminescence properties of the light emitting device. | 07-09-2009 |
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 |
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 |
20100079058 | ILLUMINATION SYSTEM COMPRISING A YELLOW GREEN-EMITTING LUMINESCENT MATERIAL - An illumination system, comprising a radiation source and a luminescent material comprising a phosphor capable of absorbing a part of light emitted by the radiation source and emitting light of a wavelength different from that of the absorbed light; wherein said phosphor is a europium-activated oxonitridoalumosilicate of general formula AE | 04-01-2010 |
20100127286 | ILLUMINATION SYSTEM COMPRISING A GREEN-EMITTING CERAMIC LUMINESCENCE CONVERTER - An Illumination system comprising a radiation source and a monolithic ceramic luminescence converter 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 europium(II)-activated oxonitridosilicate of the general formula (Sr1-a-b-c-d-e-fCabBacMgdZneCef)Six-gGegNyOz:Eua, wherein 0.001 | 05-27-2010 |
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 | |
20100224896 | LIGHT EMITTING DEVICE COMPRISING A COMPOSITE SIALON-BASED CERAMIC MATERIAL - The invention relates to a light emitting device, especially a LED with a ceramic composite material essentially of the composition M | 09-09-2010 |
20110042584 | DEVICE FOR DETERMINING THE CONVERSION POWER - This invention relates to a device for determining the conversion power of conversion element, a method for performing these measurements and a method for producing pcLEDs with essentially the same color point applying said device and said method. The device comprises a light source ( | 02-24-2011 |
20110095694 | LIGHT SOURCE WITH IMPROVED DIMMING BEHAVIOR - A light source ( | 04-28-2011 |
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 |