Patents Assigned to OSRAM AG
  • Publication number: 20130016503
    Abstract: In various embodiments, a self-ballasted light emitting diode (LED) tube may include an LED lamp body; and an LED driver module; wherein the LED driver module is configured to drive the LED lamp body for lighting; wherein the LED driver module and the LED lamp body are removably connected.
    Type: Application
    Filed: March 8, 2011
    Publication date: January 17, 2013
    Applicant: OSRAM AG
    Inventors: Nim Chung Ku, Jiahua Lou, Harald Dellian, Huajian Fan
  • Publication number: 20130016512
    Abstract: In various embodiments, a semiconductor lamp may include at least one semiconductor light source; a driver for operating the at least one semiconductor light source and at least one heat sink for cooling the at least one semiconductor light source and the driver; wherein the at least one heat sink may include a first heat sink, which is thermally connected to the at least one semiconductor light source and a second heat sink, which is thermally connected to the driver; wherein the first heat sink and the second heat sink are thermally insulated from one another.
    Type: Application
    Filed: March 18, 2011
    Publication date: January 17, 2013
    Applicant: OSRAM AG
    Inventors: Nicole Breidenassel, Guenter Hoetzl
  • Publication number: 20130015777
    Abstract: In various embodiments, a method for powering light sources from a input power supply through a converter circuit is provided including a primary side and a secondary side separated by a galvanic barrier, wherein the primary side includes a power factor control block with an output capacitor. The method may include providing save circuitry on said secondary side for saving operational data of the converter upon failure of said input power supply; and powering said save circuitry during saving said operational data with energy derived from said output capacitor of said power factor control block.
    Type: Application
    Filed: July 13, 2012
    Publication date: January 17, 2013
    Applicant: OSRAM AG
    Inventors: Paolo De Anna, Ilan D'Incà
  • Publication number: 20130009533
    Abstract: The high-pressure discharge lamp comprises an outer bulb having two tubular sections which are axially aligned, wherein a first section is arranged at the first end of the outer bulb and comprises a cylindrical zone having an outside diameter (d1), and wherein a second section having a diameter (d2) which is smaller than (d1) is attached thereto.
    Type: Application
    Filed: February 4, 2011
    Publication date: January 10, 2013
    Applicant: OSRAM AG
    Inventors: Jürgen Kellerer, Sascha Piltz, Karen Twesten, Jan Ullrich
  • Patent number: 8348711
    Abstract: The invention relates to a furnace (1) for producing a discharge lamp, comprising an outer furnace wall. It is characterized by a hollow body (2) that surrounds the outer furnace wall and is provided to receive discharge vessel parts (4, 5) and joints of the same to a discharge vessel (8) for the discharge lamp. The hollow body (2) further comprises a discharge gas supply (9) for flooding with a discharge gas such that a discharge vessel (8) provided in the hollow body (2) is filled with the same. The invention further relates to a production method for discharge lamps comprising such a furnace (1).
    Type: Grant
    Filed: August 1, 2007
    Date of Patent: January 8, 2013
    Assignee: Osram AG
    Inventors: Lothar Hitzschke, Frank Vollkommer
  • Patent number: 8350460
    Abstract: The invention relates to a fluorescent coating for Hg low-pressure discharge lamps, comprising a fluorescent composition from at least one green fluorescent material emitting in the green spectral range, especially a Tb-and/or Eu-doped green fluorescent material, and a red fluorescent material emitting in the red spectral range, especially a Eu and/or Mn red fluorescent material. The invention is characterized in that a further fluorescent material is present which is adapted to absorb UV Hg and Hg-Vis radiation.
    Type: Grant
    Filed: October 22, 2007
    Date of Patent: January 8, 2013
    Assignee: OSRAM AG
    Inventors: Claudia Castiglioni, Wolfgang Gruber, Armin Konrad
  • Publication number: 20130004688
    Abstract: In various embodiments, a method for producing a fluid connection between hollow glass bodies is provided. The method may include molding a joining region on each of the glass bodies; at least partially opening the joining regions; mutually positioning the glass bodies in the region of the joining regions; and joining the glass bodies.
    Type: Application
    Filed: March 8, 2011
    Publication date: January 3, 2013
    Applicant: OSRAM AG
    Inventors: Ruediger Diekmann, Andreas Engel, Klaus Lemdche, Bernd Pilhoefer, Reinhold Schmidt
  • Publication number: 20130002146
    Abstract: In various embodiments, a lamp arrangement with a lamp including a base which is able to be inserted into a socket for establishing contact with the lamp, wherein the lamp arrangement has at least one operating element for setting a property of the lamp, wherein the at least one operating element is not accessible when the lamp is being used in the intended manner.
    Type: Application
    Filed: March 4, 2011
    Publication date: January 3, 2013
    Applicant: OSRAM AG
    Inventor: Harald Dellian
  • Patent number: 8339061
    Abstract: The invention relates to a novel operating method and corresponding ballast for illuminating systems having temporally sequential color filtering and a high-pressure discharge lamp operated by alternating current. In this case, at least three commutations of the lamp current are used within a color filtering sequence, in order to be able to operate the lamp advantageously without an excessive increase in the operating frequency of the color filter system.
    Type: Grant
    Filed: April 26, 2004
    Date of Patent: December 25, 2012
    Assignee: Osram AG
    Inventors: Florian Heike, Andreas Huber, Simon Lankes, Andreas Osten
  • Patent number: 8339060
    Abstract: An ignition transformer for a discharge lamp is provided having a transformer core whose material and dimensions are selected in such a manner that the Curie temperature of the material after the ignition which is achieved by means of the ignition transformer can be achieved by a voltage drop across a secondary winding of the ignition transformer.
    Type: Grant
    Filed: February 8, 2008
    Date of Patent: December 25, 2012
    Assignee: Osram AG
    Inventors: Bernhard Siessegger, Manfred Roehl
  • Publication number: 20120320582
    Abstract: A lamp in accordance with various embodiments may include at least one light source; and an electronic operating device; wherein at least some electronic components of the operating device are arranged laterally with respect to the light source.
    Type: Application
    Filed: February 2, 2011
    Publication date: December 20, 2012
    Applicant: OSRAM AG
    Inventors: Achim Hilscher, Andreas Hollstein, Armin Konrad, Thomas Noll, Juergen Reichardt, Ulrich Roll, Josef Schlecht
  • Publication number: 20120314412
    Abstract: A lighting device (100) including light radiation sources that can be mixed (102) to produce multi-chromatic light radiation (W; W1, W2, W3, W4; WS) as an additive mixture of the radiations generated by said sources, comprising a plurality of sets (1, 1?; 2, 2?; 3, 3?; 1, 2, 3; 1?, 2?, 3?; 1, 1?; 2, 2?; 3, 3?; 4, 4?; 1, 2, 3, 4, 5, 6) of light radiation sources, wherein each set includes light radiation sources that can be mixed (102) to produce multi-chromatic light radiation through additive mixing of the radiations generated by the sources in the set; and a control device (10, 10?, 1000) to selectively activate the sets (1, 1?; 2, 2?; 3, 3?; 1, 2, 3; 1?, 2?, 3?; 1, 1?; 2, 2?; 3, 3?; 4, 4?; 1, 2, 3, 4, 5, 6) of radiation sources in said plurality
    Type: Application
    Filed: December 1, 2010
    Publication date: December 13, 2012
    Applicant: OSRAM AG
    Inventors: Simone Capeleto, Francesco Martini, Matteo Toscan, Lorenzo Roberto Trevisanello
  • Publication number: 20120314440
    Abstract: A lighting device may include a circuit board, at least one light emitting diode fastened to the circuit board, and a housing, wherein the circuit board is a wall segment of the housing.
    Type: Application
    Filed: November 29, 2010
    Publication date: December 13, 2012
    Applicant: OSRAM AG
    Inventors: Leopold Hellinger, Gerhard Neumann, Gerald Vogt
  • Publication number: 20120313549
    Abstract: Provided is a circuit for detecting a filament of a fluorescent lamp, wherein a first end of a first filament is connected to a second end of the first filament via an oscillation circuit, and the first end of the first filament is connected to an output of an inverter; a first end of a second filament is connected to a second end of the second filament via an oscillation circuit, wherein the first end of the second filament is connected to an internal ground; the second end of the second filament is connected to a power source, and a voltage at the second end of the second filament is used for controlling ON and OFF of an MOSFET, wherein a source of the MOSFET is connected to the internal ground.
    Type: Application
    Filed: March 23, 2012
    Publication date: December 13, 2012
    Applicant: OSRAM AG
    Inventors: Junying Wang, Yanshun Xue, Yilong Ye, Guoji Zhong
  • Publication number: 20120313500
    Abstract: In various embodiments, a lamp may include at least one light source; and at least one reflector means for reflecting light that has been emitted by the at least one light source, it being possible for the at least one reflector means to have a radial asymmetric form about a longitudinal axis of the lamp.
    Type: Application
    Filed: March 7, 2011
    Publication date: December 13, 2012
    Applicant: OSRAM AG
    Inventors: Nicole Breidenassel, Steffen Tegethoff
  • Publication number: 20120311857
    Abstract: A method for contacting a lighting device is provided, wherein the lighting device has a circuit board which is covered at least partly by a sealing compound layer; wherein the lighting device can be separated at a separating point into two lighting device sections and each of the lighting device sections has at least one electrical contact.
    Type: Application
    Filed: November 26, 2010
    Publication date: December 13, 2012
    Applicant: OSRAM AG
    Inventors: Andreas Kampfrath, Steffen Strauss
  • Publication number: 20120316397
    Abstract: A light source unit may include a cooling device; a luminescent substance; an excitation radiation source having a laser source; and an optical element arranged between the radiation source and the substance; wherein the cooling device constitutes a heat sink, wherein the substance is linked thermally to the heat sink; and wherein the optical element is designed as an integrating optical element and is coupled between the radiation source and the substance in such a mariner that a part of the radiation emitted by the radiation source, entering in an acceptance angle range of the integrating optical element, is subjected to an internal reflection in the optical element before it exits the optical element and strikes the substance, and that a part of the radiation emitted by the substance enters the optical element and exits the optical element as effective radiation.
    Type: Application
    Filed: November 24, 2010
    Publication date: December 13, 2012
    Applicant: OSRAM AG
    Inventors: Dirk Berben, Matthias Bruemmer, Ulrich Hartwig, Nico Morgenbrod, Matthias Morkel
  • Patent number: 8330443
    Abstract: A circuit arrangement for controlling power converters with a microcontroller comprises a digitally controlled pulse width modulation unit having an output, at which a switching signal for switching a power converter switch is present, wherein the circuit arrangement has an analog circuit part for switching on a power converter switch if the voltage across the power converter switch is substantially zero. A method for controlling a power converter with a microcontroller that comprises a digitally operating pulse width modulation unit for regulating the power converter, said unit having an output, at which a switching signal for switching a power converter switch is present, wherein the power converter switch is switched on in the operating state of the quasi resonant mode of the power converter by means of a fast analog circuit.
    Type: Grant
    Filed: March 9, 2009
    Date of Patent: December 11, 2012
    Assignee: Osram AG
    Inventors: Bernhard Ertl, Torsten Kuske
  • Publication number: 20120307488
    Abstract: A substrate (1; 11; 21) for a lighting module (M), said substrate comprising a plurality of light source mounting slots (DLn), and at least one resistor mounting slot (RLm) for a bridge resistor, wherein the at least one resistor mounting slot (RLm) is in each case connected in parallel with at least one of the light source mounting slots
    Type: Application
    Filed: January 24, 2011
    Publication date: December 6, 2012
    Applicant: Osram AG
    Inventor: Thomas Preuschl
  • Publication number: 20120306379
    Abstract: A method for operating an LED lighting device (L), wherein the LED lighting device comprises: at least two color channels (Ch1, Ch2, Ch3), wherein each color channel (Ch1, Ch2, Ch3) comprises at least one LED (LD1, LD2, LD3), wherein the LEDs (LD1, LD2, LD3) of a color channel (Ch1, Ch2, Ch3) each have the same color, and wherein each color channel (Ch1, Ch2, Ch3) is able to be activated separately, and at least one photodetector (D), which is configured and arranged to detect a portion of the light radiated by the LEDs (LD1, LD2, LD3), wherein the method comprises the steps of: switching over the LED lighting device (L) from an operating phase (BP 1) into a measurement phase (MP); and temporally consecutive activation of the color channels (Ch1, Ch2, Ch3) so that a light radiated during the measurement phase (MP) by the LEDs (LD1, LD2, LD3) has an integral mixture which substantially corresponds to a color mixture of the operating phase.
    Type: Application
    Filed: January 20, 2011
    Publication date: December 6, 2012
    Applicant: OSRAM AG
    Inventors: Tobias Frost, Bakuri Lanchava