Patents Assigned to Osram GmbH
  • Optoelectronic semiconductor part containing alkali-free and halogen-free metal phosphate
    Patent number: 8772821
    Abstract: An optoelectronic semiconductor part comprising a light source, a housing and electrical connections, wherein the optoelectronic semiconductor part comprises a component which contains metal phosphate, and wherein the metal phosphate is substantially alkali-free and halogen-free.
    Type: Grant
    Filed: April 20, 2011
    Date of Patent: July 8, 2014
    Assignee: OSRAM GmbH
    Inventors: Angela Eberhardt, Christina Wille, Joachim Wirth-Schön
  • PROJECTION UNIT AND METHOD FOR CONTROLLING THE PROJECTION UNIT
    Publication number: 20140185020
    Abstract: A projection unit may include a reflector-lamp arrangement which is designed to emit light during operation, wherein the light radiates toward an aperture, wherein a setting unit is provided, with which a light intensity distribution of the emitted light is adjustable relative to the aperture, wherein the light intensity distribution is adjusted depending on a period of operation of the lamp, and/or a measuring unit is provided, with which at least part of the light intensity distribution is detectable, wherein the light intensity distribution is adjusted relative to the aperture depending on a change in the light intensity distribution.
    Type: Application
    Filed: June 25, 2012
    Publication date: July 3, 2014
    Applicant: OSRAM GmbH
    Inventor: Norbert Magg
  • HIGH-PRESSURE DISCHARGE LAMP
    Publication number: 20140175976
    Abstract: A high-pressure discharge lamp may include a discharge vessel, which encloses a discharge volume, wherein a filler is housed in the discharge volume, wherein the discharge vessel is equipped with an end which is tubular and in which a two-part feedthrough is sealed by means of glass solder, wherein an electrode is attached to the feedthrough, which protrudes into the discharge volume, wherein the feedthrough is composed of a front part and a rear part, wherein the rear part is manufactured from niobium material and the front part is manufactured from iridium.
    Type: Application
    Filed: May 17, 2011
    Publication date: June 26, 2014
    Applicant: OSRAM GMBH
    Inventors: Paul Braun, Klaus Stockwald
  • GAS DISCHARGE LAMP WITH GETTER AND METHOD FOR PRODUCING A GAS DISCHARGE LAMP
    Publication number: 20140175974
    Abstract: A gas discharge lamp may include: a discharge vessel; getter material in the discharge vessel, wherein the getter material has been introduced into the discharge vessel in anhydrous form. A method for producing the gas discharge lamp may include: introducing getter material into the discharge vessel of the gas discharge lamp, wherein the getter material is introduced into the discharge vessel in anhydrous form.
    Type: Application
    Filed: June 13, 2012
    Publication date: June 26, 2014
    Applicant: OSRAM GMBH
    Inventors: Stephan Appel, Renate Hirrle, Armin Konrad, Matthias Schiplage, Markus Schoenheits, Christina Wille
  • CIRCUIT ARRANGEMENT FOR OPERATING N PARALLEL-CONNECTED STRINGS HAVING AT LEAST ONE SEMICONDUCTOR LIGHT SOURCE
    Publication number: 20140177664
    Abstract: A circuit arrangement may include an input for coupling to a supply voltage; n semiconductor light source units comprising a driver device; wherein the units are coupled in parallel, wherein each driver device comprises a PWM controller. A respective controller is designed to provide a PWM signal at a respectively predefinable frequency to a control electrode of a respective converter switch. The arrangement includes current measuring devices which are designed for measuring the current through a respective string having at least one semiconductor light source; and a control device having control outputs, wherein each controller has a clock input, wherein a respective control output is coupled to a respective clock input of the controllers, wherein the control device is designed to provide clock signals at its control outputs, said clock signals being phase-shifted by 360°/n with respect to one another.
    Type: Application
    Filed: December 5, 2013
    Publication date: June 26, 2014
    Applicant: OSRAM GmbH
    Inventor: Josef Osterried
  • VEHICLE LIGHTING DEVICE
    Publication number: 20140177253
    Abstract: In various embodiments, a vehicle lighting device is provided. The vehicle lighting device may include at least one semiconductor light source; and at least one optical element which is connected downstream, wherein the position of the at least one optical element can be adjusted.
    Type: Application
    Filed: December 16, 2013
    Publication date: June 26, 2014
    Applicant: OSRAM GmbH
    Inventors: Daniel Weissenberger, Roland Fiederling
  • HIGH-PRESSURE DISCHARGE LAMP HAVING A STARTING AID
    Publication number: 20140167606
    Abstract: A high-pressure discharge lamp having a starting aid and having a discharge vessel is disclosed, wherein the discharge vessel has two ends with seals, in which electrodes and possibly power supply lines are fastened, wherein the starting aid includes a wire system consisting of a core wire and a wrapping wire applied thereto, wherein the wrapping wire is a flat-pressed or flattened wire.
    Type: Application
    Filed: May 22, 2012
    Publication date: June 19, 2014
    Applicant: OSRAM GMBH
    Inventors: Klaus Meyer, Konrad Regler, Claus Pfaller, Janbernd Hentschel
  • REMOTE PHOSPHOR CONVERTER APPARATUS
    Publication number: 20140169024
    Abstract: A remote phosphor converter apparatus may include a holder with at least one reference visible from the outside, at least one converter element held by the holder and at least one primary light emitter element which is held by the holder and configured to direct primary light emitted thereby to the converter element. An illumination device may include at least one remote phosphor converter apparatus.
    Type: Application
    Filed: December 18, 2013
    Publication date: June 19, 2014
    Applicant: OSRAM GmbH
    Inventors: Juergen Hager, Jasmin Muster, Oliver Hering
  • LIGHTING DEVICE
    Publication number: 20140168968
    Abstract: In various embodiments, a lighting device is provided. The lighting device includes an optical unit having at least one optical element, which optical unit is fastened to the lighting device by means of at least one fastening region; wherein the optical unit is fastened with a force fit in at least one direction; wherein the at least one fastening region is formed as a spring element; and wherein the optical unit can be moved through the at least one fastening region in the direction of the force-fit fastening.
    Type: Application
    Filed: December 5, 2013
    Publication date: June 19, 2014
    Applicant: OSRAM GmbH
    Inventors: Henrike Streppel, Klaus Eckert, Carolin Muehlbauer
  • LIGHTING DEVICE INCLUDING OPTOELECTRONIC COMPONENT
    Publication number: 20140159562
    Abstract: In various embodiments, a lighting device may include: a light-emitting optoelectronic component; an envelope bulb, within which the component is arranged; and scattering means that scatter diffusely, wherein the scattering means are arranged in such a way that, as viewed in a sectional plane which includes a principal ray of the light emitted by the component, light emitted along rays tilted relative to the principal ray is scattered to a greater extent as the tilting angle between ray and principal ray decreases, and this increase in the scattering is fulfilled in a continuous angular range of at least 30°.
    Type: Application
    Filed: November 25, 2013
    Publication date: June 12, 2014
    Applicant: OSRAM GmbH
    Inventors: Henrike Streppel, Michael Rosenauer
  • LIGHTING DEVICE
    Publication number: 20140160726
    Abstract: A lighting device may include a circuit board, at least one LED lighting chip provided on one side of the circuit board, and a phosphor layer arranged to enclose the LED lighting chip, wherein the phosphor layer has different thicknesses at different light emergence angles.
    Type: Application
    Filed: July 12, 2012
    Publication date: June 12, 2014
    Applicant: OSRAM GMBH
    Inventors: Peng Chen, Tingming Liu, Shengmei Zheng
  • CONVERTER CIRCUIT
    Publication number: 20140152273
    Abstract: A converter circuit may include: a first node receiving an input voltage; a second node providing an output voltage; a first inductor between the first node and a third node; a capacitor between the third node and a first terminal of a diode, the other terminal of the diode providing said output voltage; a second inductor between the first terminal of the diode and common; an electronic switch acting between the third node and common; a first current generator acting between the first node and the switch to drive the switch to the conductive condition; and a second current generator sensitive to the current through the switch in the “on” condition and/or the output voltage on the second node, the second current generator to draw current from the first current generator to drive the switch to the non-conductive condition.
    Type: Application
    Filed: December 3, 2013
    Publication date: June 5, 2014
    Applicant: OSRAM GmbH
    Inventor: Francesco Angelin
  • LIGHTING DEVICE INCLUDING INTERCONNECTED PARTS
    Publication number: 20140153231
    Abstract: In various embodiments, a lighting device is provided. The lighting device may include at least one first part and at least one second part, fastened to the first part, which first and second parts are interconnected by a potting compound, the parts being positively interconnected by the potting compound.
    Type: Application
    Filed: December 2, 2013
    Publication date: June 5, 2014
    Applicant: OSRAM GmbH
    Inventor: Thomas Bittmann
  • OCCUPANCY SENSOR
    Publication number: 20140151558
    Abstract: An occupancy sensor with the following components is disclosed: a sensing probe to detect occupancy of a space monitored by the sensor and to produce a corresponding sensing signal; a comparator, including a voltage divider defining a comparison value, against which the sensing signal is compared to detect occupancy; and a voltage sensing means to sense a feed voltage applied to the sensor, where changes in the feed voltage to the sensor induce a change in the comparison value.
    Type: Application
    Filed: March 11, 2011
    Publication date: June 5, 2014
    Applicant: OSRAM GMBH
    Inventors: Enrico Bortot, Christian Cecchetti, Stefan Hackenbuchner, Uwe Liess, Torsten Mannke
  • LIGHTING MODULE FOR A VEHICLE LIGHTING DEVICE WITH SEMICONDUCTOR LIGHT SOURCE
    Publication number: 20140146553
    Abstract: In various embodiments, a lighting module for a vehicle lighting device is provided. The lighting module may include a light generating unit having at least one semiconductor light source arranged on a common substrate; wherein at least one module diaphragm introduced into a beam path of the light generating unit is arranged on the lighting module.
    Type: Application
    Filed: November 8, 2013
    Publication date: May 29, 2014
    Applicant: OSRAM GMBH
    Inventors: Oliver Hering, Juergen Hager, Stephan Schwaiger
  • LIGHT MODULE FOR A PROJECTION DEVICE
    Publication number: 20140146244
    Abstract: A light module for a projection device may include: at least one light source designed to emit partly polarization radiation; and a first polarization beam splitter, which is arranged in the beam path of the radiation emitted by the at least one light source, wherein the polarization beam splitter is designed to provide radiation of a first polarization at a first output and radiation of a second polarization at a second output. The light module includes a first beam cube arranged in the beam path of the radiation, a first to fourth LCD panels; a second dichroic beam splitter arranged between a first output of the first polarization beam splitter and a first input of the beam cube.
    Type: Application
    Filed: November 21, 2013
    Publication date: May 29, 2014
    Applicant: OSRAM GmbH
    Inventors: Klaus Finsterbusch, Ulrich Hartwig
  • LIGHTING ASSEMBLY AND ASSOCIATED METHOD
    Publication number: 20140140078
    Abstract: A lighting assembly includes: a heat sink having a mounting surface for a light source; a light source board having said light source thereon, said light source board being arranged against said mounting surface and having an outer perimeter edge, and a drive board carrying drive circuitry for said light source, said drive board being fixed onto said heat sink with said light source board sandwiched therebetween, said drive board having an aperture with an inner edge complementary to said outer edge of said light source board, whereby said light source is left uncovered by said drive board, and wherein: said inner edge of said drive board has an inwardly protruding frame formation with said outer perimeter edge of said light source board abutting against said frame formation, and said light source board has a thickness whereby said drive board and said mounting surface have a clearance therebetween.
    Type: Application
    Filed: July 12, 2012
    Publication date: May 22, 2014
    Applicant: OSRAM GmbH
    Inventors: Alberto Alfier, Lorenzo Roberto Trevisanello, Franco Zanon
  • METHOD FOR PRODUCING A CONVERSION ELEMENT, AND CONVERSION ELEMENT
    Publication number: 20140141205
    Abstract: A method for producing a conversion element for an optical and/or optoelectronic component is provided. The method may include at least: providing a transparent substrate, applying a layer, which contains powdered glass solder, vitrifying the layer by a first temperature treatment, whereby the glass solder of the layer is vitrified and thus converted into a transparent glass material having little intrinsic coloration, applying a phosphor-containing material to the layer, and performing a second temperature treatment, whereby phosphor of the phosphor-containing material sinks into the glass material of the layer.
    Type: Application
    Filed: July 4, 2012
    Publication date: May 22, 2014
    Applicant: OSRAM GMBH
    Inventors: Angela Eberhardt, Christina Wille
  • Luminescent device for the conversion of pump light
    Patent number: 8727563
    Abstract: A luminescent device is disclosed comprising a luminescent substance for the conversion of pump light, wherein a scattering body which scatters the pump light is provided. The pump light input into the scattering body may first be scattered at inert scatterers provided in the scattering body and subsequently converted. Light scattered at luminescent particles may also be simultaneously converted.
    Type: Grant
    Filed: July 27, 2012
    Date of Patent: May 20, 2014
    Assignee: OSRAM GmbH
    Inventors: Dirk Berben, Ulrich Hartwig
  • LIGHTING DEVICE
    Publication number: 20140133148
    Abstract: A lighting device may include: a carrier having a mounting surface, at least one luminescence diode chip having, at its side facing away from the carrier, a radiation exit surface, through which electromagnetic radiation generated in the luminescence diode chip during operation emerges at least partly, at least one optical body designed in a radiation-transmissive fashion, and a shaped body including a phosphor, wherein each luminescence diode chip is fixed to the mounting surface on the carrier, each optical body is fixed to the radiation exit surface of an assigned luminescence diode chip, the shaped body encloses each optical body in a positively locking manner at a side surface of the optical body, and the phosphor converts at least part of the electromagnetic radiation generated in at least one of the luminescence diode chips during operation.
    Type: Application
    Filed: June 25, 2012
    Publication date: May 15, 2014
    Applicant: OSRAM GMBH
    Inventors: Andreas Biebersdorf, Reiner Windisch, Krister Bergenek