Patent application number | Description | Published |
20080203421 | Structured Substrate For a Led - A substrate ( | 08-28-2008 |
20080211387 | Electroluminescent Device - An electroluminescent device comprising at least one electroluminescent light source ( | 09-04-2008 |
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 |
20080265749 | Phosphor-Converted Electroluminescent Device with Absorbing Filter - A phosphor-converted electroluminescent device comprising an electroluminescent light source (LED | 10-30-2008 |
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 |
20080303407 | Display Device with Solid State Fluorescent Material - A display device ( | 12-11-2008 |
20090009443 | Display Device - The present invention relates to a display device ( | 01-08-2009 |
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 |
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 |
20090244923 | LIGHT DELIVERY DEVICE WITH IMPROVED CONVERSION ELEMENT - The invention relates to a light delivery device comprising a conversion element and one or several LEDs, which emit light into the conversion element. The light is then converted and emitted with a high radiant flux. | 10-01-2009 |
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 |
20100059777 | ILLUMINATION DEVICE, PARTICULARLY WITH LUMINESCENT CERAMICS - The invention relates to an illumination device ( | 03-11-2010 |
20100067233 | ARRANGEMENT FOR EMITTING MIXED LIGHT - An arrangement for emitting mixed light ( | 03-18-2010 |
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 | |
20100164344 | LIGHT EMITTING DEVICE - The present invention relates to a light emitting device ( | 07-01-2010 |
20100273639 | CERAMIC MATERIAL FOR LEDS WITH REDUCED SCATTERING AND METHOD OF MAKING THE SAME - The invention relates to a ceramic luminescent material for LEDs with reduced scattering made by a uniaxial hot-pressing step. | 10-28-2010 |
20100320492 | RED EMITTING SIAION-BASED MATERIAL - The invention relates to a red emitting material of the composition a(M | 12-23-2010 |
20110031474 | ELECTROLUMINESCENT DEVICE WITH IMPROVED LIGHT DECOUPLING - The invention relates to an electroluminescent device which comprises a substrate ( | 02-10-2011 |
20110140131 | PHOTO-DETECTOR WITH WAVELENGTH CONVERTER - The invention relates to a photo-detector comprising a light sensitive element ( | 06-16-2011 |
20110220953 | LED ASSEMBLY - A light emission diode (LED) assembly, comprising a LED die ( | 09-15-2011 |
20120134134 | ARRANGEMENT FOR EMITTING MIXED LIGHT - An arrangement for emitting mixed light including a primary and secondary radiation with at least one first electroluminescent light-source for emitting first primary radiation, at least one second electroluminescent light-source for emitting second primary radiation, and a light-converting element for absorbing at least one of the primary radiations and re-emitting the secondary radiation. The light-converting element is arranged so that the entire proportion of primary radiation in the mixed light passes through the light-converting element. The light-converting element is a ceramic light-converting material whose microstructure is selected to be such that the color point of the mixed light of primary and second radiation is substantially independent of the angle of viewing. | 05-31-2012 |
20120286647 | Phosphor converted LED - The invention is directed to a light emitting comprising a blue emitting LED, a first phosphor layer exited at the emitting wavelength of the LED, which phosphor has an emission wavelength within a range of between 500 nm and 560 nm, and a second phosphor layer having a color point u′ in the range between 0.24 and 0.35 and a peak emission of the phosphor layer of λp>600 nm of the emission spectra, especially a pcLED comprising a combination of a green emitting luminescent ceramic material and a second phosphor material having a broad emission spectra. The second phosphor material can comprise a compound of the general formula M | 11-15-2012 |
20130240943 | RED EMITTING LUMINESCENT MATERIALS - The invention relates to a novel red emitting material of (Ba | 09-19-2013 |
20140062336 | LIGHT EMITTING DEVICE WITH CERAMIC CONVERSION MATERIAL - The invention relates to a light delivery device comprising a conversion element and one or several LEDs, which emit light into the conversion element. The light is then converted and emitted with a high radiant flux. | 03-06-2014 |
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 |
20150034990 | CONTROLLING LED EMISSION PATTERN USING OPTICALLY ACTIVE MATERIALS - A light emission device comprising a light emitting element, a wavelength conversion (e.g. phosphor) element, and a filter that reduces Color over Angle (CoA) effects by at least partially reflecting light from the light emitting element that strike the filter at near-normal angles of incidence. In some embodiments, a combined phosphor and filter layer is formed over the LED die. The filter may comprise a dispersion of self-aligning moieties, such as dielectric platelets in a film that is vacuum laminated to the LED structure. Xirallic® Galaxy Blue pigment, comprising an aluminium oxide core coated on both sides with thin films of SnO | 02-05-2015 |