Patents Assigned to OSRAM Gesellschaft mit beschrankter Haftung
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Publication number: 20100176725Abstract: Disclosed is a high-pressure discharge lamp in which an ignition device that generates high-voltage pulses in the lamp is integrated into the lamp. The ignition device is composed at least of a spiral pulse generator and a charging resistor, said charging resistor being made of an LTCC material.Type: ApplicationFiled: December 6, 2006Publication date: July 15, 2010Applicant: OSRAM GESELLSCHAFT MIT BESCHRANKTER HAFTUNGInventor: Andreas Kloss
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Publication number: 20100156289Abstract: The invention relates to an incandescent lamp having a carbide-containing luminous element and current supplies holding the luminous element. A luminous element is introduced into a bulb together with a filling in a vacuum-tight manner, the luminous element having a metal carbide the melting point of which is preferably above that of tungsten, and the luminous element being helical. The luminous element has a core wire and a wrapped filament and is constituted of various materials and contains a metal carbide.Type: ApplicationFiled: April 26, 2007Publication date: June 24, 2010Applicant: Osram Gesellschaft Mit Beschrankter HaftungInventors: Axel Bunk, Matthias Damm, Georg Rosenbauer, Christa Bunk, Ludwig Bunk, Maximilian Bunk, Stefan Bunk
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Publication number: 20100128479Abstract: A semiconductor light module comprising: integrated drive electronics, a semiconductor light source applied to a disk-shaped module, the surface of which is electrically conductive, and wherein the module has good thermal conductivity. The drive electronics are positioned around the semiconductor light source, and the drive electronics comprise a circuit board having at least first and second conductor track levels. The first track level is oriented outward in the light emission direction in the installed state, and the second track level is enclosed by a closed cavity incorporated into the module. Ground-carrying lines of the circuit board are electrically connected to the surface of the module.Type: ApplicationFiled: April 3, 2007Publication date: May 27, 2010Applicant: OSRAM Gesellschaft mit beschrankter HaftungInventors: Alois Biebl, Stefan Dietz, Günther Hirschmann
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Patent number: 7712922Abstract: An illumination unit comprising an LED light source is disclosed, which has a first optical element disposed downstream of the LED light source in an emission direction, an electronic control unit, and a second optical element disposed downstream of the first optical element. The LED light source, the first optical element and the electronic control unit are arranged in a common housing, and the housing is covered by the second optical element.Type: GrantFiled: November 26, 2007Date of Patent: May 11, 2010Assignee: OSRAM Gesellschaft mit beschränkter HaftungInventors: Christian Hacker, Giovanni Scilla, Alessandro Scordino, Jens Florian Hockel, Philipp Erhard, Fritz Hereth
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Publication number: 20100103497Abstract: An optoelectronic device for projecting a first beam (110) of coherent first electromagnetic radiation onto a surface (91) comprises a first radiation source (11), which is suitable for emitting a first beam (110) of coherent first electromagnetic radiation when in operation. The optoelectronic device additionally comprises a first phase-modifying element (21) in the beam path of the first electromagnetic radiation for changing the phase of the first electromagnetic radiation in a subzone (1102) of the first beam (110) and a radiation-directing element (4) in the beam path of the first electromagnetic radiation for changing a beam direction (P1, P2) of the first beam (110).Type: ApplicationFiled: January 24, 2007Publication date: April 29, 2010Applicant: OSRAM GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNGInventor: Henning Rehn
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Publication number: 20100102699Abstract: A discharge lamp having a discharge vessel (2) that comprises at least one bulb neck (21, 22), into which are fused a holding rod (6) extending into the discharge space (3) for an electrode (4, 5), a carrier part (10) on which at least one current-carrying element (9) is arranged, a support element (7) enclosing the holding rod (6) and a tube (13) enclosing the carrier part (10) with the current-carrying element. The tube (13) encloses the support element (7) over a partial length (L3) which is less than the total length (L) of the support element (7).Type: ApplicationFiled: March 12, 2007Publication date: April 29, 2010Applicant: OSRAM GESELLSCHAFT mit beschrankter HaftungInventors: Rainer Koger, Karsten Schwandt, Ralf Dotterweich, Piotr Kreft
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Publication number: 20100097005Abstract: A circuit arrangement for operating a discharge lamp having a dielectric layer between at least one electrode and one discharge medium, comprising a primary circuit, which comprises a flux converter with at least one electronic switch, the flux converter having a first input terminal and a second input terminal for connecting an input voltage; a secondary circuit, which has a first output terminal and a second output terminal for connecting the discharge lamp; a transformer coupling the primary circuit to the secondary circuit, the transformer having at least a primary winding, a secondary winding and a transformer core, on which the primary winding and the secondary winding are wound; and a discrete inductance with a core, the discrete inductance being coupled electrically in parallel with the secondary winding.Type: ApplicationFiled: March 12, 2007Publication date: April 22, 2010Applicant: OSRAM GESELLSCHAFT MIT BESCHRANKTER HAFTUNGInventors: Karl Kyrberg, Oskar Schallmoser
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Publication number: 20100090578Abstract: The invention relates to a dipping cap comprising a filament for a dual-filament lamp. The dimension between an outlet of an outgoing section of the filament, on the side of the base, and the point on the outgoing section of the filament, arranged opposite the outgoing section of the filament on the side of the base and welded to the dipping cap, measures more than approximately 5.2 mm and less than 9.7 mm, and the dimension between the outlet of the outgoing section of the filament, on the side of the base, and the front surface of the dipping cap, which is adjacent to the outgoing section of the filament, welded to the dipping cap, measures more than approximately 5.9 mm and less than 11.9 mm.Type: ApplicationFiled: December 5, 2007Publication date: April 15, 2010Applicant: OSRAM GESELLSCHAFT MIT BESCHRANKTER HAFTUNGInventors: Frank Auer, Gerhard Behr, Peter Helbig, Christian Seichter, Klaus Wittmann, Sascha Zelt
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Publication number: 20100072918Abstract: A circuit arrangement for operating at least one first and second lamp each provided with a first and second coil electrode includes a first and second terminal for the first coil electrode of the first lamp, a first and second terminal for the second coil electrode of the first lamp, a first and second terminal for the first coil electrode of the second lamp, a first and second terminal for the second coil electrode of the second lamp, at least one supply connection for supplying voltage to the respective first coil electrode of the at least one first and second lamp, and at least one preheating device for the respective first coil electrode of the at least one first and second lamp. The second terminal of the first coil electrode of the first lamp is coupled to the second terminal of the first coil electrode of the second lamp while the preheating device encompasses a first preheating inductor and a second preheating inductor.Type: ApplicationFiled: December 5, 2006Publication date: March 25, 2010Applicant: OSRAM GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNGInventors: Werner Longhino, Andreas Mitze, Thomas Mudra, Markus Ziegler
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Publication number: 20100073965Abstract: A self-oscillating DC/DC converter comprising: a first and a second input connection for application of an input DC voltage; a first and a second bipolar transistor, wherein each bipolar transistor has a control electrode, a reference electrode and a working electrode; at least one first coupling capacitor; wherein a first switching junction is formed by the junction of the working electrode and the reference electrode of the first bipolar transistor, and a second switching junction is formed by the junction of the working electrode and the reference electrode of the second bipolar transistor, wherein the first and the second switching junctions are connected in series with respect to the input DC voltage; a rectifier, with an output that is coupled to a first and a second output connection in order to provide an output DC voltage; a transformer, which has a primary winding, a secondary winding and at least one control winding; wherein the primary winding is coupled between a galvanic connection of the firstType: ApplicationFiled: November 9, 2006Publication date: March 25, 2010Applicant: OSRAM GESELLSCHAFT MIT BESCHRANKTER HAFTUNGInventors: Peter Niedermeier, Bernd Rudolph
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Patent number: 7678293Abstract: A coated phosphor, formed by a powder of individual grains of a phosphor as base material, the grains being coated with a coating material. The layer comprises a plurality of individual layers and is particulate in form, the individual primary particles of the layer being at least 5 nm in size. The mean layer thickness is at least 20 nm.Type: GrantFiled: February 20, 2004Date of Patent: March 16, 2010Assignees: OSRAM Gesellschaft mit beschränkter Haftung, Osram Opto Semiconductors GmbHInventors: Bert Braune, Torsten Fries, Rainer Schirmer, Martin Zachau, Franz Zwaschka
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Publication number: 20100052530Abstract: A lamp device (1), wherein the lamp device (1) has at least one contact conductor (31) and a vessel (20) for enclosing a gas. The vessel (20) delimits a primary volume (40) and a secondary volume (41), the primary volume (40) and the secondary volume (41) being interconnected by a transitional region (21) of the vessel (20).Type: ApplicationFiled: December 22, 2006Publication date: March 4, 2010Applicant: OSRAM GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNGInventors: Stephan Berndanner, Gerhard Löffler
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Publication number: 20100045208Abstract: A circuit arrangement for operating at least one semiconductor light source having an input for inputting an input voltage, an output for outputting an output voltage to the semiconductor light source, wherein the main current path of the circuit arrangement lies between the two input terminals, and comprises a series circuit formed by a switch, an inductance and a back-to-back connection of a first diode or light emitting diode and the at least one semiconductor light source, wherein a first storage capacitor is arranged in parallel with the at least one semiconductor light source, and a second diode is arranged in series with this parallel connection.Type: ApplicationFiled: August 24, 2009Publication date: February 25, 2010Applicant: OSRAM Gesellschaft mit beschrãnkter HaftungInventor: Bernhard SIESSEGGER
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Publication number: 20100039032Abstract: The frame that holds a discharge vessel in an outer bulb is manufactured from Nb or Zr, said frame acting as getter in an evacuated outer bulb.Type: ApplicationFiled: June 4, 2009Publication date: February 18, 2010Applicant: OSRAM Gesellschaft mit beschrankter HaftungInventor: Dieter TRYPKE
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Publication number: 20100026202Abstract: A starting apparatus for a discharge lamp (100) comprising a spiral line pulse generator (104) and a charging circuit for charging the spiral line pulse generator, wherein means (108) for rectifying the charging current are arranged in the charging circuit.Type: ApplicationFiled: November 28, 2007Publication date: February 4, 2010Applicant: OSRAM GESELLSCHAFT MIT BESCHRANKTER HAFTUNGInventor: Bernhard Siessegger
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Publication number: 20100013407Abstract: A circuit arrangement for operating a high-pressure discharge lamp, comprising at least one first electronic switch and one second electronic switch in a half-bridge arrangement; a supply voltage terminal for supplying the half-bridge arrangement with a DC voltage signal; a load circuit, which comprises a lamp inductor and is coupled firstly to the half-bridge center point and secondly to at least one terminal for connecting the high-pressure discharge lamp; a drive circuit for providing at least one first and one second drive signal for the first electronic switch and the second electronic switch, the drive circuit being adapted to provide the first and the second drive signal in such a way that the clock thereof is firstly swept between a first and a second frequency; wherein the drive circuit is furthermore adapted to modulate the first and the second drive signal with a predeterminable third frequency, with the modulation with the predeterminable third frequency being single-tone frequency modulation, witType: ApplicationFiled: January 10, 2007Publication date: January 21, 2010Applicant: OSRAM Gesellschaft mit beschrankter HaftungInventor: Herbert Kästle
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Publication number: 20100013401Abstract: A circuit arrangement for starting and operating one or more discharge lamps comprising a self-oscillating inverter (1), a resonant circuit (2), a low-pressure discharge lamp (5), a starting voltage controller (3) with a variable resistor (R1), and a lamp filament heating controller (4), wherein the lamp filament heating controller includes an additional variable resistor (R2) in the resonant circuit, which variable resistor measures the current flowing in the resonant circuit, and, in the event of a threshold value being exceeded, disconnects the half-bridge transistor (Q2) and thus limits the current flowing in the resonant circuit, this additional variable resistor (R2) being bypassed by a switch (Q3), depending on the lamp state.Type: ApplicationFiled: January 17, 2007Publication date: January 21, 2010Applicant: OSRAM Gesellschaft mit beschränkter HaftungInventor: Harald Schmitt
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Publication number: 20100014253Abstract: An electronic component module comprising at least one ceramic circuit carrier (2, 3) and a cooling device with at least one heat sink (4), a bonding region arranged between the ceramic circuit carrier (2, 3) and the cooling device adapted for bonding the circuit carrier (2, 3) to the cooling device (4). The bonding region (5, 7; 6, 8) comprises a bonding layer comprised of metal and a eutectic region (7, 8).Type: ApplicationFiled: January 10, 2007Publication date: January 21, 2010Applicant: OSRAM Gesellschaft mit beschrankter HaftungInventors: Richard Matz, Ruth Männer, Steffen Walter
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Publication number: 20100007276Abstract: A highly reliable ultra-high pressure mercury discharge lamp with a low risk of breakage of the quartz tube. The ultra-high pressure mercury discharge lamp includes a light emitting tube 2 in which a pair of electrode systems 24a, 24b is enclosed within a quartz tube. The pair of electrode systems 24a, 24b is outfitted with an electrode 21a, 21b having a weld 21a-2, 21b-2, a metal strip 22a, 22b with one end that is welded to the weld 21a-2, 21b-2, and a connection line 23a, 23b connected to the other end of the metal strip 22a, 22b. An aperture portion 22a-1, 22b-1 is provided in the metal strip 22a, 22b in the area surrounding the weld 21a-2, 21b-2.Type: ApplicationFiled: June 10, 2009Publication date: January 14, 2010Applicant: OSRAM Gesellschaft mit beschrankter HaftungInventors: Naoki Goto, Nobuyuki Konno, Mitsuru Sato, Toshimitsu Tanaka
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Patent number: D619739Type: GrantFiled: June 18, 2009Date of Patent: July 13, 2010Assignee: Osram Gesellschaft mit Beschränkter HaftungInventors: Markus Hofmann, Florian Zeus