Patents by Inventor Klaus Stockwald
Klaus Stockwald has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10782456Abstract: A reflector element and a method for manufacturing a reflector element are disclosed. In an embodiment the reflector element includes a plastic substrate and a silver layer arranged on the plastic substrate. The reflector element further includes a first barrier layer arranged on the silver layer, wherein the barrier layer has an at least 15 nm-thick oxide layer and a second barrier layer arranged on the first barrier layer, wherein the barrier layer includes siloxane, and wherein a thickness of the second barrier layer is at least 250 nm and at most 450 nm.Type: GrantFiled: February 26, 2016Date of Patent: September 22, 2020Assignee: SITECO GMBHInventors: Mark Schürmann, Peter Munzert, Dirk Salz, Klaus Stockwald, Reinhard Schaefer, Stefan Kotter, Paul Braun
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Publication number: 20180045864Abstract: A reflector element and a method for manufacturing a reflector element are disclosed. In an embodiment the reflector element includes a plastic substrate and a silver layer arranged on the plastic substrate. The reflector element further includes a first barrier layer arranged on the silver layer, wherein the barrier layer has an at least 15 nm-thick oxide layer and a second barrier layer arranged on the first barrier layer, wherein the barrier layer includes siloxane, and wherein a thickness of the second barrier layer is at least 250 nm and at most 450 nm.Type: ApplicationFiled: February 26, 2016Publication date: February 15, 2018Inventors: Mark Schürmann, Peter Munzert, Dirk Salz, Klaus Stockwald, Reinhard Schaefer, Stefan Kotter, Paul Braun
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Patent number: 9123524Abstract: A bushing for a high-pressure discharge lamp, which is suitable for connecting an electrode in the interior of a ceramic discharge vessel to a supply lead in a gastight manner on the exterior of the discharge vessel, wherein the bushing is an electrically conductive ceramic composite consisting of a mixture of LaB6 and at least one second material from the group Al2O3, Dy2Al5O12, AlN, AlON and Dy2O3 is disclosed.Type: GrantFiled: October 19, 2010Date of Patent: September 1, 2015Assignee: OSRAM GmbHInventors: Andreas Kloss, Wolfgang Poeppel, Klaus Stockwald, Steffen Walter
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Patent number: 9082606Abstract: 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: GrantFiled: May 17, 2011Date of Patent: July 14, 2015Assignee: Osram GmbHInventors: Paul Braun, Klaus Stockwald
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Publication number: 20140175976Abstract: 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: ApplicationFiled: May 17, 2011Publication date: June 26, 2014Applicant: OSRAM GMBHInventors: Paul Braun, Klaus Stockwald
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Publication number: 20130241405Abstract: A bushing for a high-pressure discharge lamp, which is suitable for connecting an electrode in the interior of a ceramic discharge vessel to a supply lead in a gastight manner on the exterior of the discharge vessel, wherein the bushing is an electrically conductive ceramic composite consisting of a mixture of LaB6 and at least one second material from the group Al2O3, Dy2Al5O12, AlN, AlON and Dy2O3 is disclosed.Type: ApplicationFiled: October 19, 2010Publication date: September 19, 2013Applicant: OSRAM GMBHInventors: Andreas Kloss, Wolfgang Poeppel, Klaus Stockwald, Steffen Walter
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Patent number: 8334652Abstract: A high-pressure discharge lamp may include an elongate ceramic discharge vessel, at the ends of which an electrode system with an electrode tip pointing towards the discharge is mounted in a seal, the seal being tubular, the discharge vessel having an aspect ratio of at least 1.5, the discharge vessel having a metal halide fill and a wall load of more than 25 W/cm2, wherein the lamp is configured for operation with longitudinal acoustic modulation, the specific rated power of the entire outer surface area of the discharge vessel lying between 17 and 22 W/cm2, while at the same time the wall load in a subregion of the surface area, which extends between the tips of the electrodes, lies in the range of between 28 and 40 W/cm2.Type: GrantFiled: May 28, 2009Date of Patent: December 18, 2012Assignee: OSRAM GmbHInventors: Patrick Mueller, Klaus Stockwald, Herbert Weiss
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Publication number: 20120229026Abstract: High pressure discharge lamp (20) with improved ignitability. A spiral pulse generator (1) that is directly mounted inside the outer piston (12) of the lamp is used for igniting the high pressure discharge lamp.Type: ApplicationFiled: April 19, 2012Publication date: September 13, 2012Applicant: OSRAM AGInventors: Andreas Kloss, Ute Liepold, Carsten Schuh, Thorsten Steinkopff, Klaus Stockwald, Steffen Walter
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Patent number: 8247988Abstract: In various embodiments, an electrodeless high intensity discharge lamp is provided, which may include a bulb containing a fill mixture for generating a light emission when excited by microwave energy; and at least two applicator arms for coupling the microwave energy to the fill mixture, the at least two applicator arms being separated by at least one delay line, the at least one delay line comprising a stripline structure.Type: GrantFiled: March 30, 2010Date of Patent: August 21, 2012Assignee: Karlsruher Institut fuer TechnologieInventors: Rainer Kling, Michael Meisser, Klaus Stockwald
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Publication number: 20120146497Abstract: In various embodiments, a high pressure discharge lamp may comprise a ceramic elongate discharge vessel with an axis and with a central middle part and two tapering ends, wherein the ends are closed by seals containing electrode systems, and wherein a filling comprising metal halides is situated in the discharge vessel, in which the lamp further comprises a fin-like structure including at least three fins located on at least one tapering end, the structure comprising an attachment having a leading root directly on the discharge vessel and having a trailing root from which an undercut extends in the direction of the seal, wherein the axial length of the attachment is chosen and wherein the axial length of the undercut is at least 30% of the length of the attachment.Type: ApplicationFiled: May 27, 2010Publication date: June 14, 2012Applicant: OSRAM AGInventor: Klaus Stockwald
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Patent number: 8183782Abstract: High pressure discharge lamp (20) with improved ignitability. A spiral pulse generator (1) that is directly mounted inside the outer piston (12) of the lamp is used for igniting the high pressure discharge lamp.Type: GrantFiled: December 22, 2006Date of Patent: May 22, 2012Assignee: Osram AGInventors: Andreas Kloss, Ute Liepold, Carsten Schuh, Thorsten Steinkopff, Klaus Stockwald, Steffen Walter
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Publication number: 20110279031Abstract: 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: ApplicationFiled: February 2, 2010Publication date: November 17, 2011Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNGInventor: Klaus Stockwald
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Patent number: 8022627Abstract: An electrodeless high pressure discharge lamp is described. The lamp includes a resonating body configured to provide microwave energy and a discharge vessel, the discharge vessel containing a fill that forms a light-emitting plasma when receiving the microwave energy. The lamp further includes an outer bulb surrounding the discharge vessel. The lamp further includes a support structure within the outer bulb, the support structure comprising a plurality of wires forming a cage, wherein each end of each of the plurality of wires are directed to either end of the discharge vessel. The lamp further includes a first wire structure configured to hold the discharge vessel in place within the cage and surrounding each end of the discharge vessel.Type: GrantFiled: March 10, 2010Date of Patent: September 20, 2011Assignee: OSRAM AGInventor: Klaus Stockwald
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Patent number: 8004194Abstract: 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: GrantFiled: May 14, 2007Date of Patent: August 23, 2011Assignee: OSRAM Gesellschaft mit beschränkter HaftungInventors: Paul Braun, Roland Hüttinger, Klaus Stockwald
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Patent number: 7977884Abstract: Laminates, which are used for cooling the discharge vessel, are fitted to the seals of the ceramic discharge vessel. They are an integral part of the seal.Type: GrantFiled: January 16, 2007Date of Patent: July 12, 2011Assignee: OSRAM Gesellschaft mit beschraenkter HaftungInventors: Stefan Jüngst, Klaus Stockwald
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Patent number: 7969074Abstract: The invention relates to a mercury-free low pressure discharge lamp with a discharge vessel having an ionizable filling. The surface temperature of the discharge vessel, and thus the temperature of the ionizable filling, can be adjusted at least in some sections such that an emitting substance can produce the radiation required for the excitation of the luminescent substance. The temperature of the fluid is preferably adjusted in a temperature control circuit, using a temperature sensor, a pump and a heating device.Type: GrantFiled: October 10, 2007Date of Patent: June 28, 2011Assignee: OSRAM Gesellschaft mit beschränkter HaftungInventors: Klaus Stockwald, Herbert Weiβ
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Publication number: 20110133663Abstract: A high-pressure discharge lamp, which has no electrodes and is excited by means of high-frequency electromagnetic waves, may include an ceramic elongated discharge vessel, which has an axis, where the discharge vessel has a filling that forms a plasma, when radio frequency power (RF) is coupled into the filling from the base body, where the filling comprises a gas and at least one metal halide, where a circuit for operation of the lamp is coordinated, which provides RF power, so that the coupled-in RF power vaporizes the metal halide, which leads to light emission, wherein the discharge vessel is specially designed for operation with acoustic modulation control of the plasma flow, wherein the discharge vessel is divided into a central part with at least approximately constant internal diameter and two ends, whose internal diameter reduces towards the end.Type: ApplicationFiled: July 20, 2009Publication date: June 9, 2011Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNGInventor: Klaus Stockwald
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Publication number: 20110074286Abstract: A high-pressure discharge lamp may include an elongate ceramic discharge vessel, at the ends of which an electrode system with an electrode tip pointing towards the discharge is mounted in a seal, the seal being tubular, the discharge vessel having an aspect ratio of at least 1.5, the discharge vessel having a metal halide fill and a wall load of more than 25 W/cm2, wherein the lamp is configured for operation with longitudinal acoustic modulation, the specific rated power of the entire outer surface area of the discharge vessel lying between 17 and 22 W/cm2, while at the same time the wall load in a subregion of the surface area, which extends between the tips of the electrodes, lies in the range of between 28 and 40 W/cm2.Type: ApplicationFiled: May 28, 2009Publication date: March 31, 2011Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNGInventors: Patrick Mueller, Klaus Stockwald, Herbert Weiss
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Publication number: 20100308706Abstract: A high-pressure discharge lamp may include an elongate ceramic discharge vessel with a central part and two ends and an axis, the ends being closed by seals, electrodes which extend into the discharge volume enclosed by the discharge vessel being anchored in the seals, and a fill which contains metal halides being accommodated in the discharge vessel, wherein a ring structure, which is separated from the seal and extends around the seal, is placed on at least one end.Type: ApplicationFiled: August 19, 2008Publication date: December 9, 2010Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNGInventors: Bernhard Schalk, Klaus Stockwald
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Publication number: 20100253237Abstract: Various embodiments provide an electrodeless high intensity discharge lamp (EHID), including: a bulb containing a fill mixture for generating a light emission when excited by microwave energy; and at least two applicator arms for coupling the microwave energy to the fill mixture, the at least two applicator arms being separated by at least one delay line, the at least one delay line introducing a delay of ?/4, wherein ? is the wavelength of the microwave energy, wherein each of the at least two applicator aims are coupled to each other via an open loop structure.Type: ApplicationFiled: March 30, 2010Publication date: October 7, 2010Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNGInventors: Michael Meisser, Rainer Kling, Klaus Stockwald