Patent application number | Description | Published |
20080265207 | Phosphor Composition for a Low-Pressure Discharge Lamp with High Color Temperature - A phosphor composition for a low-pressure discharge lamp with a high light yield and a high color temperature contains phosphors which emit in the red wavelength region, including yttrium oxide doped with europium or gadolinium-zinc-magnesium pentaborate doped with cerium and manganese, phosphors which emit in the green wavelength region including lanthanum phosphate doped with cerium and terbium and/or cerium-magnesium aluminate doped with terbium and/or cerium-magnesium pentaborate doped with terbium, and optionally a phosphor which emits in the blue wavelength region of the barium-magnesium aluminate doped with europium type. The phosphor composition additionally contains at least one phosphor which emits in the blue or blue-green wavelength region selected from the group consisting of manganese-strontium-barium-magnesium aluminate doped with manganese and europium or barium-magnesium aluminate doped with europium and manganese and strontium aluminate doped with europium and strontium-barium-calcium chloroapatite doped with europium and strontium borophosphate doped with europium. | 10-30-2008 |
20080284313 | Structured Luminescence Conversion Layer - An apparatus device such as a light source is disclosed which has an OLED device and a structured luminescence conversion layer deposited on the substrate or transparent electrode of said OLED device and on the exterior of said OLED device. The structured luminescence conversion layer contains regions such as color-changing and non-color-changing regions with particular shapes arranged in a particular pattern. | 11-20-2008 |
20090206352 | Luminescence conversion led - A luminescence conversion LED having a radiation emitting chip that is connected to electrical connections and is surrounded by a housing that comprises at least a basic body and a cap, the chip being seated on the basic body, in particular in a cutout of the basic body, and the primary radiation of the chip being converted at least partially into longer wave radiation by a conversion element, wherein the cap is formed by a vitreous body, the conversion means being contained in the vitreous body, the refractive index of the vitreous body being higher than 1.6, preferably at least n=1.7. | 08-20-2009 |
20090261366 | OPTOELECTRONIC COMPONENT - An optoelectronic component with a semiconductor body that comprises an active semiconductor layer sequence is disclosed, which is suitable for generating electromagnetic radiation of a first wavelength that is emitted from a front face of the semiconductor body. The component also comprises a first wavelength conversion substance following the semiconductor body in its direction of emission, which converts radiation of the first wavelength into radiation of a second wavelength different from the first wavelength, and a first selectively reflecting layer between the active semiconductor layer sequence and the first wavelength conversion substance that selectively reflects radiation of the second wavelength and is transparent to radiation of the first wavelength. | 10-22-2009 |
20100096592 | Red-Emitting Luminophore and Light Source Comprising such a Luminophore - A red-emitting phosphor composed of an M—Al—Si—N system, comprising a cation M, wherein M is represented by at least one of the elements Ca or Ba or Sr and, if appropriate, can additionally be combined with at least one further element from the group Mg, Zn, Cd, wherein the phosphor is activated with Eu, which partly replaces M, and wherein the phosphor additionally contains LiF | 04-22-2010 |
20100102703 | DISCHARGE LAMP AND ILLUMINAN COMPOUND FOR A DISCHARGE LAMP - The invention relates to an illuminant compound for a discharge lamp ( | 04-29-2010 |
20100102704 | ILLUMINANT MIXTURE FOR A DISCHARGE LAMP AND DISCHARGE LAMP, IN PARTICULAR AN Hg LOW-PRESSURE DISCHARGE LAMP - The invention relates to an illuminant mixture for a discharge lamp ( | 04-29-2010 |
20100141114 | ILLUMINANT MIXTURE FOR A DISCHARGE LAMP AND DISCHARGE LAMP, IN PARTICULAR AN HG LOW-PRESSURE DISCHARGE LAMP - The invention relates to an illuminant mixture for a discharge lamp ( | 06-10-2010 |
20100270909 | LUMINOPHORE AND ILLUMINATION SYSTEM HAVING SUCH A LUMINOPHORE - A luminophore consisting of the BAM system as a host lattice, having the stoichiometry M | 10-28-2010 |
20100276714 | CONVERSION LED - A conversion LED is provided. The conversion LED may include a primary light source which emits in the short-wave radiation range below 420 nm, and a luminophore placed in front of it consisting of the BAM system as a host lattice for at least partial conversion of the light source's radiation into longer-wave radiation, wherein the BAM luminophore is applied as a thin layer having a thickness of at most 50 μm directly on the surface of the light source, the BAM luminophore having the general stoichiometry (M1−r Mgr)O*k(Al2O3), where r=0.4 to 0.6 and M=EAeEu1−e, with EA=Ba, Sr, Ca, and e=0.52 to 0.8, and k=1.5 to 4.5. | 11-04-2010 |
20110143627 | Luminescence Conversion LED - A luminescence conversion LED having a radiation emitting chip that is connected to electrical connections and is surrounded by a housing that comprises at least a basic body and a cap, the chip being seated on the basic body, in particular in a cutout of the basic body, and the primary radiation of the chip being converted at least partially into longer wave radiation by a conversion element, wherein the cap is formed by a vitreous body, the conversion means being contained in the vitreous body, the refractive index of the vitreous body being higher than 1.6, preferably at least n=1.7. | 06-16-2011 |
20110234103 | Operating device and method for operating at least one Hg low pressure discharge lamp - An operating device for operating at least one Hg low-pressure discharge lamp which has a first and a second electrode coil may include a unit for providing a variable that is correlated with the Hg vapor pressure in the at least one Hg low-pressure discharge lamp comprises at least one unit for capturing emission spectra of at least specifiable spectral ranges, wherein the unit for capturing emission spectra may include at least one light receiving unit which is arranged in the beam path of the at least one Hg low-pressure discharge lamp. | 09-29-2011 |
20120032211 | Optoelectronic Component - An optoelectronic component comprises an organic layer sequence ( | 02-09-2012 |
20130039029 | Light Engine Having Distributed Remote Phosphors - There is herein described a light engine that emits a light. The light engine includes a light source, a light guide, a plurality of extraction optical elements, and a plurality of phosphors. The light guide receives the light. The extraction optical elements are on the surface of the light guide. The extraction optical elements extract at least a portion of the light out of the light guide. The phosphors are disposed on top of at least some of the extraction optical elements. | 02-14-2013 |
20130056765 | LIGHT EMITTING DIODE LIGHT SOURCE INCLUDING ALL NITRIDE LIGHT EMITTING DIODES - A light source including at least two phosphor converted (pc) light emitting diodes (LEDs), each of the pc LEDs including an associated blue-emitting LED as an excitation source for a phosphor containing element. | 03-07-2013 |