Patents Assigned to OSRAM Gesellschaft mit beschraenkter Haftung
  • LUMINOUS DEVICE AND METHOD FOR OPERATING A LUMINOUS DEVICE
    Publication number: 20110317398
    Abstract: Various embodiments provide a luminous device, including at least one semiconductor light source and at least one light-transmissive converter element including a wavelength-converting phosphor sensitive to the light emitted by the semiconductor light source, wherein the semiconductor light source can be at least partly covered by the converter element, and the converter element is movable such that a proportion of a light wavelength-converted by means of the converter element is adjustable depending on a position of the converter element.
    Type: Application
    Filed: June 28, 2011
    Publication date: December 29, 2011
    Applicant: OSRAM Gesellschaft mit beschraenkter Haftung
    Inventors: Martin Moeck, Raimund Oberschmid
  • LIGHTING DEVICE
    Publication number: 20110310624
    Abstract: A lighting device may include a heat sink, which has at least one carrier attached to the outside of the heat sink for at least one semiconductor light source; a recess for accommodating a driver; and at least one electrically insulating supply, which connects the recess to the outside of the heat sink; wherein the electrically insulating supply includes a contact surface that connects to the outside of the heat sink in a flush manner, the contact surface being at least partially covered by the carrier.
    Type: Application
    Filed: February 11, 2010
    Publication date: December 22, 2011
    Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
    Inventors: Thomas Preuschl, Florian Zeus
  • Electrical lamp having an outer bulb
    Publication number: 20110309733
    Abstract: An electrical lamp having an elongate inner bulb made of silica glass is provided. The electrical lamp may include a central part which is closed at two sides by fusings to which externally tubular extensions adjoin, the fusings containing foils, and the inner bulb having a longitudinal axis and an illuminant being accommodated in the inner bulb, and the inner bulb being surrounded by an outer bulb made of silica glass, wherein at the level of the end of the foils the fusings have beads which protrude radially outwards, an end region respectively of the outer bulb being connected to the bead, so heat is dissipated from the foil.
    Type: Application
    Filed: March 11, 2010
    Publication date: December 22, 2011
    Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
    Inventors: Lambert Frye, Claus Pfaller
  • METHOD AND ELECTRONIC OPERATING DEVICE FOR OPERATING A GAS DISCHARGE LAMP AND PROJECTOR
    Publication number: 20110310361
    Abstract: A method for operating a gas discharge lamp may include; the gas discharge lamp is operated using an intermittently constant lamp current, whose time-relative average value of the frequency is predetermined by the lamp voltage of the gas discharge lamp in the steady state, wherein the lamp current has predefined commutation points in the temporal course, and a commutation for generating a commutation pattern can take place at these commutation points, wherein the time-relative average value of the frequency of the lamp current is adjusted by means of a variation of the commutation pattern.
    Type: Application
    Filed: January 5, 2010
    Publication date: December 22, 2011
    Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
    Inventors: Martin Brueckel, Bärbel Dierks, Peter Flesch, Josef Kroell
  • LIGHTING DEVICE HAVING A SEMICONDUCTOR LIGHT SOURCE AND AT LEAST ONE SENSOR
    Publication number: 20110304268
    Abstract: In various embodiments, a lighting device is provided, which may include at least one semiconductor light source, at least one sensor and evaluation electronics functionally connected to the at least one sensor, wherein the evaluation electronics are arranged to trigger at least one action of the lighting device upon at least one predetermined sensor signal of the at least one sensor.
    Type: Application
    Filed: February 3, 2010
    Publication date: December 15, 2011
    Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
    Inventors: Ralph Bertram, Moritz Engl, Markus Hofmann
  • Fluorescent Lamp and Lighting Instrument
    Publication number: 20110304257
    Abstract: A fluorescent lamp may include a pair of hot cathode electrodes at both its ends, wherein a phosphor is formed in a laminated manner on the inner surface of a glass tube and a protection film is formed between the glass tube and the phosphor, wherein a residual impure gas in the lamp, including the amount occluded by the phosphor and the protection film, is set to 0.5% or less with the sealed rare gas partial pressure ratio, and wherein the following relationship is fulfilled: GHg=A×CL, A=0.0032-0.163 [mg/cc], wherein the amount of sealed mercury is GHg [mg], the lamp internal volume is CL [cc], and the coefficient is A [mg/cc].
    Type: Application
    Filed: December 25, 2009
    Publication date: December 15, 2011
    Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
    Inventors: Keigo Iwase, Yukio Matsuda, Takashi Osawa, Takehiko Sakurai
  • ELECTRONIC OPERATING DEVICE FOR A GAS DISCHARGE LAMP
    Publication number: 20110298383
    Abstract: The invention relates to an electronic operating device for a gas discharge lamp having: a DC/DC voltage converter, a power factor correction circuit, an inverter, a lamp inductor, and having a full bridge with two half bridges which can be controlled separately, wherein the DC/DC voltage converter additionally acts as a voltage step-down converter, and the inverter additionally has the following functions: lamp current regulation, the function of stepping down the voltage to the lamp voltage, and resonant ignition.
    Type: Application
    Filed: January 29, 2010
    Publication date: December 8, 2011
    Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
    Inventor: Joachim Muehlschlegel
  • Flexirigid support plate
    Publication number: 20110299292
    Abstract: In various embodiments, a rigid-flex mounting board for at least one semiconductor light source is provided. The mounting board may include at least one rigid support region configured to mount the at least one semiconductor light source; and a flexible support region, wherein the flexible support region has been produced by thinning of a rigid support region.
    Type: Application
    Filed: January 27, 2010
    Publication date: December 8, 2011
    Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
    Inventor: Thomas Preuschl
  • Illumination arrangement, multiple light module, luminaire and use thereof
    Patent number: 8070315
    Abstract: An illumination arrangement comprising a plurality of light-emitting semiconductor components (1), arranged in a row, a diffuser (2), which is illuminated by the light-emitting semiconductor components during operation of the illumination arrangement, intermixes light emitted by the semiconductor components during operation and has a light coupling-out area (200) remote from the semiconductor components, and two mutually opposite, reflective longitudinal side faces (3), between which the row of light-emitting semiconductor components is arranged, which run perpendicular or obliquely with respect to the light coupling-out area, and which reflect at least part of the light emitted by the light-emitting semiconductor components during operation in the direction toward the light coupling-out area.
    Type: Grant
    Filed: January 17, 2008
    Date of Patent: December 6, 2011
    Assignee: OSRAM Gesellschaft mit beschränkter Haftung
    Inventor: Katrin Schroll
  • LED lamp, method for manufacturing and LED lamp and bulb therefor
    Publication number: 20110292653
    Abstract: In various embodiments, a semiconductor lamp may include at least one semiconductor light source; a heat sink for cooling at least the at least one semiconductor light source; and a diffuser fixed to the heat sink; wherein the heat sink has at least one receptacle space; wherein the receptacle space is filled with solid filling compound; and at least one part of an edge of the diffuser is dipped into the filling compound in a positively locking manner.
    Type: Application
    Filed: May 25, 2011
    Publication date: December 1, 2011
    Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
    Inventors: Markus Hofmann, Fabian Reingruber
  • HIGH PRESSURE DISCHARGE LAMP
    Publication number: 20110291557
    Abstract: A high pressure discharge lamp may include a ceramic discharge vessel and a longitudinal axis, wherein at least one electrode is led out of the discharge vessel by means of a metal-containing feed-through, wherein the feed-through is connected to one end of the discharge vessel by way of a ceramic-containing adjustment part, wherein the adjustment part is tubular and consists of individual layers with different compositions, at least two materials A and B forming a plurality of layers of the adjustment part, these materials being chosen such that their coefficient of thermal expansion is between that of the feed-through and that of the end of the discharge vessel or at most is just outside, the layer thickness of each layer being so low that no shearing forces can occur, and the layer thickness of each layer of the same material being different.
    Type: Application
    Filed: February 2, 2010
    Publication date: December 1, 2011
    Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
    Inventors: Roland Huettinger, Stefan Juengst, Stefan Kotter, Steffen Walter
  • METHOD FOR PRODUCING A PLURALITY OF LED ILLUMINATION DEVICES AND A PLURALITY OF LED CHIPSETS FOR ILLUMINATION DEVICES, AND LED ILLUMINTATION DEVICE
    Publication number: 20110291123
    Abstract: A method for producing a plurality of LED illumination devices which each emit light having an average value of a first photometric parameter including producing a plurality of LED chips which emit light of the same color; measuring values of the first photometric parameter of the LED chips; combining the LED chips to form groups of at least two LED chips which have different values of the first photometric parameter such that differences in the average values of all the LED illumination devices are imperceptible to the human eye; and equipping a respective LED illumination device with a group of LED chips.
    Type: Application
    Filed: December 18, 2009
    Publication date: December 1, 2011
    Applicants: OSRAM OPTO SEMICONDUCTORS GMBH, OSRAM GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNG
    Inventors: Markus Hofmann, Ralph Peter Bertram, Julius Muschaweck
  • LIGHTING MODULE
    Publication number: 20110291125
    Abstract: A lighting module may include a lighting band with a band-shaped flexible substrate, wherein at least one semiconductor light source is applied to a top side of the substrate, wherein the lighting module is faced with a protective layer such that at least one emission area of the at least one semiconductor light source is exposed thereby.
    Type: Application
    Filed: January 25, 2010
    Publication date: December 1, 2011
    Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
    Inventors: Thomas Donauer, Robert Kraus, Christine Maier, Giovanni Scilla, Steffen Strauss
  • Illumination Module
    Publication number: 20110285298
    Abstract: A luminous module for a luminous chain may include at least one light source; and at least one electrical connection configured to supply the at least one light source, wherein the luminous module includes a heat sink.
    Type: Application
    Filed: September 12, 2008
    Publication date: November 24, 2011
    Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
    Inventors: Simon Schwalenberg, Harald Stoyan, Hubertus Breier, Klaus Burkard
  • LED LAMP, MOUNTING AND METHOD FOR OPERATING AN LED LAMP
    Publication number: 20110286227
    Abstract: A lamp may include illumination means which include at least one LED, and having a base, by way of which the lamp can be connected to a mounting in order to be supplied with voltage, wherein the illumination means are connected to the base by way of a mechanism which in a first state couples the illumination means in rotatable fashion to the base around an axis and in a second state couples the illumination means to the base in a rotatably fixed manner, and light emitted by the illumination means has an intensity distribution which is asymmetric with respect to the axis.
    Type: Application
    Filed: January 12, 2010
    Publication date: November 24, 2011
    Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
    Inventors: Harald Dellian, Markus Hofmann
  • METHOD AND DEVICE FOR ADJUSTING THE COLOR POINT OF A LIGHTING UNIT
    Publication number: 20110279494
    Abstract: A method for adjusting the color point of a lighting unit including semiconductor-based lasers for generating an RGB signal. The method may include supplying at least one component of the RGB signal to a sensor via a filter; and actuating at least one of the semiconductor-based lasers by means of a signal detected by the sensor.
    Type: Application
    Filed: November 6, 2009
    Publication date: November 17, 2011
    Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
    Inventors: Jan Oliver Drumm, Jens Richter, Claus Seibert
  • High pressure discharge lamp
    Publication number: 20110279031
    Abstract: In various embodiments, a high pressure discharge lamp may include a ceramic discharge vessel which contains two electrodes and a metal halide filling in a discharge volume V, wherein the filling contains a starting gas that is selected individually or in mixture from the group of the noble gases, wherein the filling moreover contains metal halides that are selected individually or in mixture from the group MXn, M being a representative from the group In, Zn, Mg, Mn, Al, Tl, Sn, Sc, Hg and X being a representative from the group I, Br, Cl, wherein moreover the filling contains a stoichiometric excess of the metallic portion M in relation to MXn, wherein the concentration of the metallic portion is in the range from 0.1 to 20 mg/cm3.
    Type: Application
    Filed: February 2, 2010
    Publication date: November 17, 2011
    Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
    Inventor: Klaus Stockwald
  • HALF-BRIDGE CIRCUIT PROTECTED AGAINST SHORT CIRCUITS AND HAVING SEMICONDUCTOR SWITCHES
    Publication number: 20110279941
    Abstract: A circuit arrangement with two semiconductor switches connected in series between a first potential connection and a second potential connection is provided. The circuit arrangement may include an inductive element connected in series between the two potential connections and by elements of an action chain of such a nature that, under predefined conditions, a voltage drop across the inductive element effects the switching off of at least one of the semiconductor switches.
    Type: Application
    Filed: November 5, 2008
    Publication date: November 17, 2011
    Applicant: OSRAM Gesellschaft mit beschraenkter Haftung
    Inventor: Markus Heckmann
  • DETECTOR CIRCUIT AND METHOD FOR ACTUATING A FLUORESCENT LAMP
    Publication number: 20110273096
    Abstract: A detector circuit for actuating at least one fluorescent lamp may be configured such that the actuation of at least one fluorescent lamp occurs as a function of a first signal at a first input and as a function of a second signal at a second input if the first signal and the second signal are each greater than a first prescribed voltage and less than a second prescribed voltage during a start-up phase.
    Type: Application
    Filed: November 13, 2009
    Publication date: November 10, 2011
    Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
    Inventors: Juergen Klier, Richard Pfaller
  • METHOD AND SYSTEM FOR DRIVING LED
    Publication number: 20110266967
    Abstract: The present invention discloses an LED driving method and an LED driving system, the method comprising: generating a PWM control signal with a PWM dimming signal; and controlling a PWM DC/DC converter with the PWM control signal, so as to generate a driving voltage of the LED.
    Type: Application
    Filed: April 29, 2011
    Publication date: November 3, 2011
    Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
    Inventors: Luca Bordin, Yuli Chen, Shijun Nie, Wei Tan