Patents Assigned to OSRAM Gesellschaft mit beschrankter Haftung
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Publication number: 20090212683Abstract: Disclosed is a luminescent substance which has the structure EA3N2Si2O4:D, wherein EA=(Sr,Ba,Ca) and D=Eu, provides red emission, and is characterized by great stability and a simple production process. Said luminescent substance can be used for many different types of light sources.Type: ApplicationFiled: November 29, 2006Publication date: August 27, 2009Applicant: OSRAM GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNGInventors: Tim Fiedler, Wolfram Hempel, Frank Jermann
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Publication number: 20090167180Abstract: The invention relates to a novel lamp which comprises a pinched base (10) that interacts with a screw cap. A pump hole (21) is integrated into the pinched base.Type: ApplicationFiled: March 13, 2007Publication date: July 2, 2009Applicant: OSRAM GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNGInventors: Jürgen Gräf, Peter Husslein
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Publication number: 20090162267Abstract: Method for recovery of rare earths from fluorescent lamps. The method comprises six steps. The individual process steps are: Mechanical separation of coarse components. Separation of the halophosphate. Extraction in acids of easily soluble rare-earth fluorescent substances (mainly Y, Eu-oxide) Extraction in acids of rare-earth fluorescent substances which dissolve with difficulty (for example rare-earth phosphates) Breakdown of the remaining components which contain rare earths (for example rare-earth-aluminates) Final treatment.Type: ApplicationFiled: May 31, 2007Publication date: June 25, 2009Applicant: OSRAM Gesellschaft mit beschrankter HaftungInventors: Robert Otto, Agnieszka Wojtalewicz-Kasprzak
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Publication number: 20090153052Abstract: The lamp uses a sealing system with a ceramic supporting element (17) having a short length LA together with a W-Nb leadthrough part (18, 19, 20) and a specially adapted glass solder (21), which is based on an Al2O3 rare earth oxide system. In this case, the W part is accommodated in the supporting part over a length LW of 1 mm, and the aspect ratio LW/DUW, formed from the length LW and the diameter DUW of the W part, is at least 10.Type: ApplicationFiled: May 14, 2007Publication date: June 18, 2009Applicant: OSRAM Gesellschaft mit beschrankter HaftungInventors: Paul Braun, Roland Huttinger, Klaus Stockwald
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Publication number: 20090129076Abstract: The invention relates to an illumination device (1) comprising at least one substrate plate (2), at least two light-emitting diodes (3) (LEDs) arranged on the same side (A) of the substrate plate (2), and at least one electrically conductive cooling device (8) arranged on the opposite side (B) of the substrate plate (2), in particular a metallic heat sink (8), wherein at least two LEDs (3) are thermally operatively connected to the cooling device (8) by means of in each case at least one thermal coupling device (9) formed from an electrically conductive material. According to the invention, the cooling device (8) has at least two regions (8a, 8b, 8c) which are electrically isolated from one another, wherein a first region (8b) is thermally and electrically operatively connected to at least one first LED (3), and a second region (8a, 8c) is thermally and electrically operatively connected to at least one second LED (3).Type: ApplicationFiled: November 4, 2008Publication date: May 21, 2009Applicant: OSRAM Gesellschaft mit beschrankter HaftungInventor: Robert Kraus
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Publication number: 20090129025Abstract: The invention relates to an illumination device (1) comprising at least one preferably ceramic substrate plate (2), at least one luminous element (3) arranged on a front side (A) of the substrate plate (2) in particular at least one light emitting diode (LED) (3), and at least one preferably metallic heat sink (4) connected, in particular adhesively bonded and/or soldered, to a rear side (B) of the substrate plate (2) over a large area, wherein the coefficients of thermal expansion of substrate plate (2) and heat sink (4) differ at least by the factor 1.5, in particular by a factor greater than 2. The heat sink (4) has at least one preferably linear cutout (6) on its side facing the rear side (B) of the substrate plate (2).Type: ApplicationFiled: November 3, 2008Publication date: May 21, 2009Applicant: OSRAM Gesellschaft mit beschrankter HaftungInventors: Robert Kraus, Steffen Straub
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Publication number: 20090121634Abstract: The invention relates to an electrode for a discharge lamp (I) with a cylindrical shaft (12) and a tip (11) which adjoins the cylindrical shaft (12), wherein a first material region (13) forming a core is formed in the longitudinal direction (A) of the electrode (1), and the core is surrounded, at least in regions, by a second material region (14) forming a casing. The invention also relates to a discharge lamp having such an electrode and to a method for producing an electrode for a discharge lamp.Type: ApplicationFiled: May 14, 2007Publication date: May 14, 2009Applicant: OSRAM Gesellschaft mit beschrankter HaftungInventors: Rainer Koger, Markus Kolodziejczyk, Lars Menzel, Klaus Stedele
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Publication number: 20090109248Abstract: A display apparatus has a multiplicity of pixels, having an image signal generation apparatus for generating color and brightness values for the multiplicity of pixels, a light modulation apparatus, which is coupled to the image signal generation apparatus, for the purpose of modulating the multiplicity of pixels on the basis of the color and brightness values, and an illumination apparatus for the purpose of backlighting the light modulation apparatus. The illumination apparatus has a drive apparatus for driving a multiplicity of light sources, and the drive apparatus is coupled to the image signal generation apparatus or to the light modulation apparatus such that a predetermined group of light sources, designed to backlight a subarea of the light modulation apparatus, can be driven by the drive apparatus as a function of the brightness values for contrast enhancement purposes.Type: ApplicationFiled: November 30, 2006Publication date: April 30, 2009Applicant: Osram Gesellschaft Mit Beschrankter HaftungInventors: Andreas Huber, Peter Niedermeier, Oskar Schallmoser
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Publication number: 20090102591Abstract: A method for manufacturing an inductive component which is formed from a plurality of layers, wherein the method comprises the steps of a) arrangement of an electrically conductive material as a winding of the component on a first non-magnetic, dielectric ceramic layer; b) formation of at least one cutout which passes all the way through in the non-magnetic, dielectric ceramic layer; c) arrangement of a first magnetic ceramic layer on an upper face and a second magnetic ceramic layer on a lower face of the non-magnetic, dielectric ceramic layer; and d) carrying out a process step in which at least one of the magnetic ceramic layers is plastically deformed such that contact is made with the two magnetic ceramic layers in the area of the cutout, and the two magnetic ceramic layers form a magnetic core of the component.Type: ApplicationFiled: May 3, 2007Publication date: April 23, 2009Applicant: Osram Gesellschaft Mit Beschrankter HaftungInventors: Dieter Gotsch, Richard Matz, Ruth Manner
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Publication number: 20090096715Abstract: The present invention relates to a discharge lamp with a floor plate and a roof plate, which is designed for dielectrically impeded discharge, with at least two electrodes of different polarity being allocated to the sections of the discharge space, which is divided by rib-like support elements, with the electrodes located at a distance from the longitudinal support elements.Type: ApplicationFiled: May 31, 2007Publication date: April 16, 2009Applicant: OSRAM GESELLSCHAFT MIT BESCHRANKTER HAFTUNGInventors: Lothar Hitzschke, Frank Vollkommer
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Publication number: 20090096390Abstract: An electronic ballast for an electrical lamp (2) provided with a first (21) and a second filament (22), includes a heating device which is used to heat the filaments (21, 22) and includes a resonance circuit (5), and an evaluation unit (11) designed for the evaluation of at least one measuring value of an electrical parameter during pre-determinable adjustments of operating conditions of the resonance circuit (5). The number of filaments (21, 22) of the electrical lamp (2) in electrical contact with the electronic ballast (1) can be identified according to the measuring value, and the electrical lamp (2) can be switched on by the electronic ballast (1) according to the identified number. A method for operating an electrical lamp by an electronic ballast is also described.Type: ApplicationFiled: March 5, 2007Publication date: April 16, 2009Applicant: OSRAM GESELLSCHAFT MIT BESCHRANKTER HAFTUNGInventors: Olaf Busse, Bernhard Schemmel
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Publication number: 20090097208Abstract: The invention relates to an electronic component module, comprising at least one first multi-layer circuit board module (21, 22; 31, 32; 41, 42) and a cooling arrangement (23, 33, 43), the cooling arrangement (23, 33, 43) being in contact with an upper side of the circuit board module (21, 22; 31, 32; 41, 42). The cooling arrangement (23, 33, 43) is designed such that waste heat generated during operation of the electronic component module (2, 3, 4) is extracted in a lateral direction with relation to the arrangement of the circuit board module (21,22; 31, 32; 41, 42) by means of the cooling arrangement (23, 33, 43).Type: ApplicationFiled: April 11, 2007Publication date: April 16, 2009Applicant: Osram Gesellschaft mit beschrankter HaftungInventors: Richard Matz, Bernhard Siessegger, Steffen Walter
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Publication number: 20090072760Abstract: The luminous chain includes a plurality of luminous modules, wherein at least two of the luminous modules include at least one set including at least one light source and one driver circuit for driving the at least one light source, and the driver circuits of one set of the respective luminous modules are electrically connected in parallel with one another, and the light sources of the one set of the respective luminous modules are electrically connected in series with one another, and the driver outputs of the driver circuits are combined at a node for jointly supplying current to all of the light sources of the one set.Type: ApplicationFiled: September 15, 2008Publication date: March 19, 2009Applicant: OSRAM GESELLSCHAFT MIT BESCHRANKTER HAFTUNGInventors: Simon Schwalenberg, Harald Stoyan
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Publication number: 20090067169Abstract: A luminous module is specified comprising luminous units and a carrier body, wherein the luminous units are connected and/or contact-connected in at least two planes and/or orientations on the carrier body with conductor tracks. A method for producing the luminous module is furthermore specified.Type: ApplicationFiled: August 29, 2008Publication date: March 12, 2009Applicant: OSRAM GESELLSCHAFT MIT BESCHRANKTER HAFTUNGInventors: Peter Helbig, Peter Frey, Ralf Vollmer
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Publication number: 20090058307Abstract: An illumination device is specified which includes a radiation source having at least one light-emitting diode, a control unit and a radiation receiving unit. The radiation receiving unit is provided, during operation of the illumination device for receiving both a radiation emitted by the radiation source and a reference radiation and for generating a measurement signal upon receiving the radiation from the radiation source and a reference signal upon receiving the reference radiation. An operating point for the radiation source is tunable by the control unit in a manner dependent on the measurement signal and the reference signal. Furthermore, a method is specified by which an emission characteristic of an illumination device can be adapted to a predetermined emission characteristic in a simplified manner.Type: ApplicationFiled: August 28, 2008Publication date: March 5, 2009Applicant: OSRAM GESELLSCHAFT MIT BESCHRANKTER HAFTUNGInventors: Ralph Peter Bertram, Wolfgang Pabst
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Publication number: 20090057000Abstract: Connecting element for mounting on a printed circuit board, which connecting element has at least two connecting lines which cross one another and are not electrically connected between respectively associated contacts.Type: ApplicationFiled: August 28, 2008Publication date: March 5, 2009Applicant: OSRAM GESELLSCHAFT MIT BESCHRANKTER HAFTUNGInventors: Robert Kraus, Simon Schwalenberg, Steffen Strauss, Michael Weis
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Publication number: 20090050846Abstract: An illumination from the class of oxynitridosilicates, doped with bivalent europium and comprising a cation M2+, said illuminant corresponding to the basic formula M(l-c)Si202N2: Dc wherein the following holds good: M?Sr(1-x)Bax mit 0.3<x<0.7.Type: ApplicationFiled: February 19, 2007Publication date: February 26, 2009Applicant: OSRAM Gesellschaft mit Beschränkter HaftungInventors: Daniel Becker, Tim Fiedler, Wolfram Hempel, Frank Jermann
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Publication number: 20090045718Abstract: Disclosed is a lamp (1) comprising at least one bulb which is inserted into a base and inside which at least one illuminant (18) is accommodated. The inventive lamp (1) encompasses at least one area (44) which continues glowing once the illuminant has been turned off.Type: ApplicationFiled: January 29, 2007Publication date: February 19, 2009Applicant: Osram Gesellschaft MIT Beschrankter HaftungInventors: Frank Auer, Oliver Hering, Marc Lunnemann
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Patent number: D592320Type: GrantFiled: February 11, 2005Date of Patent: May 12, 2009Assignee: OSRAM Gesellschaft mit beschränkter HaftungInventors: Joachim Arndt, Uwe Fidler, Markus Herb
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Patent number: D594995Type: GrantFiled: September 16, 2008Date of Patent: June 23, 2009Assignee: OSRAM Gesellschaft mit beschrankter HaftungInventor: Jürgen Komar