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Holger Winkler, Darmstadt DE

Holger Winkler, Darmstadt DE

Patent application numberDescriptionPublished
20080251222Security Paper Comprising Windows - The invention relates to a security paper for the production of documents of value which comprises a flat cellulose-containing substrate with a polymeric window included therein, to processes for the production of a security paper of this type and to the use thereof for the production of documents of value.10-16-2008
20080295983Security Paper - The invention relates to an optically variable security paper for the production of documents of value which comprises a cellulose-containing substrate which comprises core/shell particles, to processes for the production of a security paper of this type and to the use thereof for the production of documents of value.12-04-2008
20090020897PROCESS FOR THE INCORPORATION OF NANOPHOSPHORS INTO MICRO-OPTICAL STRUCTURES - The invention relates to a process for the incorporation of nanophosphors (phosphors) into micro-optical structures, and to corresponding illuminants. In this impregnation process, a micro-optical system comprising inverse opal powders is filled with a dispersion of a nanophosphor.01-22-2009
20090174117METHOD FOR PRODUCING INVERSE OPALS HAVING ADJUSTABLE CHANNEL DIAMETERS - The invention relates to a process for the preparation of inverse opals having adjustable channel diameters. This is achieved by partial fusing of solid organic or inorganic spheres.07-09-2009
20090189507Process for the preparation of garnet phosphors in a pulsation reactor - The invention relates to a process for the preparation of garnet phosphors or precursors thereof having particles with an average particle size of 50 nm to 20 μm via a multistep thermal process in a pulsation reactor, and to illumination units comprising the garnet phosphors according to the invention.07-30-2009
20090242839Gas-phase infiltration of phosphors into the pore system of inverse opals - The invention relates to a process for the incorporation of volatile phosphors into the pore system of inverse opals by means of gas-phase infiltration, and to corresponding illuminants10-01-2009
20100045163PHOSPHOR BODY CONTAINING RUBY FOR WHITE OR COLOUR-ON-DEMAND LEDS - The invention relates to a phosphor element comprising Cr(III)-activated aluminium oxide (ruby), to the production thereof, and to the use thereof as LED conversion phosphor for white LEDs or so-called colour-on-demand applications.02-25-2010
20100061077PHOSPHOR BODY BASED ON FLAKE FORM SUBSTRATES - The invention relates to a phosphor element which consists of natural and/or synthetic flake-form substrates, such as mica, corundum, silica, glass, ZrO03-11-2010
20100084962LUMINOPHORES MADE OF DOPED GARNET FOR PCLEDS - The invention relates to phosphors having a garnet structure of the formula I04-08-2010
20100171413PROCESS FOR THE PREPARATION OF A LINE-EMITTER PHOSPHOR - The invention relates to novel line-emitter phosphors, to a process for the preparation thereof, and to white-emitting illumination units comprising the line-emitter phosphors according to the invention.07-08-2010
20100187976LED CONVERSION PHOSPHORS IN THE FORM OF CERAMIC DODIES - The invention relates to a ceramic phosphor element obtainable by mixing at least two starting materials with at least one dopant by wet-chemical methods and subsequent thermal treatment to give phosphor precursors and isostatic pressing. The ceramic phosphor element is used as conversion phosphor in LEDs.07-29-2010
20100194263Method for Producing Illuminants Based on Orthosilicates for pcLEDs - The invention relates to a process for the preparation of phosphors of the formula I08-05-2010
20100201250METHOD OF PRODUCING ILLUMINANTS CONSISTING OF ORTHOSILICATES FOR pcLEDs - The invention relates to a process for the preparation of phosphors of the formula I08-12-2010
20100207139PHOTONIC MATERIAL HAVING REGULARLY ARRANGED CAVITIES - The invention relates to photonic materials having regularly arranged cavities containing at least one colorant, where the wall material of the photonic material has dielectric properties and as such is essentially non-absorbent for the wavelength of an absorption band of the respective colorant and is essentially transparent for the wavelength of a colorant emission which can be stimulated by the absorption wavelength, and the cavities are shaped in such a way that radiation having the wavelength of the weak absorption band of the colorant is stored in the photonic material, to the use thereof as phosphor system in an illuminant, to corresponding illuminants and production processes.08-19-2010
20100244067PHOSPHOR PLATES FOR LEDS FROM STRUCTURED FILMS - The invention relates to a phosphor element which is based on natural and/or synthetic flake-form substrates, such as mica, corundum, silica, glass, ZrO09-30-2010
20100259156SURFACE-MODIFIED PHOSPHORS - The invention relates to surface-modified phosphor particles based on luminescent particles of (Ca,Sr,Ba)10-14-2010
20100264809PROCESS FOR THE PREPARATION OF COATED PHOSPHORS - The invention relates to coated phosphor particles comprising luminescent particles and a, preferably substantially transparent, metal, transition-metal or semimetal oxide coating, and to a process for the production thereof.10-21-2010
20100283076COATED PHOSPHOR PARTICLES WITH REFRACTIVE INDEX ADAPTION - The invention relates to coated phosphor particles comprising luminescent particles and at least one, preferably substantially transparent, metal, transition-metal or semimetal oxide coating, and to a process for the production thereof.11-11-2010
20100309647Illumination Unit Consisting of Discharge Lamp, LEDs and Conversion Phosphors - The invention relates to an illumination unit having an adjustable colour location consisting of a discharge lamp as primary light source and LEDs as secondary light source and additionally a phosphor layer in the form of a phosphor screen comprising conversion phosphors. Furthermore, the present invention relates to a method for lighting usable areas by the illumination unit according to the invention.12-09-2010
20110090683SURFACE-MODIFIED CONVERSION PHOSPHORS - The invention relates to surface-modified phosphor particles based on luminescent particles which comprise at least one luminescent compound, where (Ca,Sr,Ba)04-21-2011
20110227475CO-DOPED 1-1-2 NITRIDES - The invention relates to compounds of the formula (I): (Ca,Sr,Ba)09-22-2011
20110279022DOPED GARNET FLUORESCENT SUBSTANCE HAVING RED SHIFT FOR PC LEDS - The invention relates to phosphors having a garnet structure of the formula I (Y11-17-2011
20110299008LCD Backlighting with LED Phosphors - The invention relates to a liquid-crystal display fitted with a backlighting system having a white light source which comprises a semiconductor diode and a phosphor layer comprising a combination of at least two phosphors, where at least one phosphor emits red light and at least one phosphor emits green light, and to a process for the production thereof.12-08-2011
20110304261NITRIDOSILICATES CO-DOPED WITH ZIRCONIUM AND HAFNIUM - The invention relates to compounds of the formula (I) Ma12-15-2011
20110304264SURFACE-MODIFIED SILICATE FLUORESCENT SUBSTANCES - The invention relates to surface-modified phosphor particles based on luminescent particles which comprise at least one luminescent compound selected from the group of the silicate phosphors, where at least one coating having a thermal conductivity of <20 W/mK and at least one second coating having a thermal conductivity of >20 W/mK have been applied to the luminescent particles, and to a production process.12-15-2011
20120140438CO-DOPED SILICOOXYNITRIDES - The invention relates to compounds of the formula (I) (Ca,Sr,Ba)06-07-2012
20120224353SM-ACTIVATED ALUMINATE AND BORATE PHOSPHORS - The invention relates to phosphors of the formula (I) (Ln09-06-2012
20120300155PHOSPHORS - The invention relates to compounds of the formula (I), A11-29-2012
20120329184CASTING COMPOSITION AS DIFFUSION BARRIER FOR WATER MOLECULES - The invention relates to a casting composition based on a transparent epoxy or silicone resin (12-27-2012
20130063926PHOSPHORS - The invention relates to mixtures comprising at least one phosphor of the formula I,03-14-2013
20130120964ALUMINATE PHOSPHORS - The invention relates to compounds of the general formula (I) SrLu05-16-2013
20130121014CARBODIIMIDE PHOSPHORS - The invention relates to carbodiimide compounds of the general formula (I) EA05-16-2013
20130168574Silicophosphate phosphors - The invention relates to compounds of the general formula I07-04-2013
20130193472MN-ACTIVATED PHOSPHORS - The invention relates to compounds of the general formula (I): Lu08-01-2013
20150041712COMPOSITE CERAMIC WHICH COMPRISES A CONVERSION PHOSPHOR AND A MATERIAL HAVING A NEGATIVE COEFFICIENT OF THERMAL EXPANSION - The present invention relates to a composite ceramic which comprises a conversion phosphor and a further material, characterised in that the further material has a negative coefficient of thermal expansion, and to a process for the preparation thereof. Furthermore, the present invention also relates to the use of the composite ceramic according to the invention as emission-converting material, preferably in a white light source, and to a light source, a lighting unit and a display device.02-12-2015
20150085472SILICATE PHOSPHORS - The present invention relates to Eu-, Sm- or Pr-doped silicate compounds, to a process for the preparation thereof and to the use thereof as conversion phosphors. The present invention also relates to an emission-converting material comprising at least the conversion phosphor according to the invention and to the use thereof in light sources, in particular pc-LEDs (phosphor converted light emitting devices). The present invention furthermore relates to light sources, in particular pc-LEDs, and lighting units which contain a primary light source and the emission-converting material according to the invention.03-26-2015

Patent applications by Holger Winkler, Darmstadt DE

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