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 |
20080205033 | Lighting Apparatus for Biological and Medical Purposes - The lighting apparatus according to the invention comprises one or several light sources and a light guide including a light outcoupling structure. The lighting apparatus emits light between 280 and 800 nanometers. It is an object of the invention to provide an improved apparatus for scientific and therapeutic purposes with a light source of planar structure, which can be optimally adapted to an exposed area. This is achieved by light sources or parts of them being easily replaceable. The light sources may be fluorescent lamps based on an Hg, Ne, Xe or Xe/Ne discharge or they may also be LEDs. | 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 |
20080266861 | Low-Pressure Discharge Lamp Having Improved Efficiency - The invention relates to a low-pressure mercury vapor discharge lamp ( | 10-30-2008 |
20080284329 | Led with Improve Light Emittance Profile - The present invention relates to a LED comprising at least one red light emitting and/or conversion layer, which emits light in the wavelength of ≧550 nm to ≦750 nm, preferably ≧630 nm to ≦700 nm, and/or at least one blue light emitting layer, which emits light in the wavelength of ≧400 nm to ≦550 nm, preferably ≧420 nm to ≦500 nm, and/or at least one green and/or yellow emitting luminescence material, which emits light in the wavelength ≧530 nm to ≦610 nm, whereby the at least one green and/or yellow emitting luminescence material is capable of absorbing light which is emitted by the at least one blue light emitting layer, characterized in that the red light emitting and/or conversion layer is made of a semiconductor material. | 11-20-2008 |
20090014685 | LUMINESCENT MATERIAL USING (Y, GD)-CONTAINING NANOPARTICLE AND SURFACE BOUND ORGANTIC LIGANDS - The invention relates to a luminescent material for an light emitting device comprising an (YGd)-containing nanoparticle material linked to at least one organic ligand molecule | 01-15-2009 |
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 |
20090160341 | DISCHARGE LAMP COMPRISING UV-PHOSPHOR - The invention is concerned with a discharge lamp provided with a gas discharge vessel comprising a gas filling with a discharge-maintaining composition, at least part of a wall of the discharge vessel being provided with a luminescent material comprising as a first UV-phosphor a lanthanide-activated lanthanum magnesium aluminate of formula Lai_xMgAlπOic>:Lnx, wherein the lanthanide Ln is selected from the group of Ce(III), Pr(III), Nd(III) and Gd(III), and 0.001:Lnx, wherein the lanthanide Ln is selected from the group of Ce(III), Pr(III), Nd(III) and Gd(III), and 0.00106-25-2009 | |
20090185383 | LIGHT EMITTING PLATE SYSTEM WITH IMPROVED TRANSPARENCY - The invention relates to a light emitting plate system ( | 07-23-2009 |
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 |
20110095694 | LIGHT SOURCE WITH IMPROVED DIMMING BEHAVIOR - A light source ( | 04-28-2011 |
20130193346 | Method for Identifying an Object - The invention relates to a method for identifying an object, wherein said object has a security element, which contains one or more inorganic luminescent pigments, wherein the method comprises the steps of producing an emission spectrum of the luminescent pigment and comparing the obtained emission spectrum with the spectrum specified for the security element. The invention further relates to a security element, by means of which it is possible to determine the authenticity of a product in a simple manner. | 08-01-2013 |
20130207002 | LUMINESCENT MATERIAL AND LIGHT EMITTING DEVICE COMPRISING SUCH LUMINESCENT MATERIAL - The invention provides a luminescent material comprising a component selected from the group comprising (Y | 08-15-2013 |