Patents by Inventor Alexander Wilm
Alexander Wilm 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: 7995882Abstract: A lighting device is disclosed comprising a plurality of semiconductor light sources disposed on a carrier, wherein the light from the light sources is coupled into assigned lightguides at a set angle to the surface normals of the carrier and the lightguides are provided with reflecting and light exit faces such that the envelope of the light outcoupling faces forms a curved surface segment.Type: GrantFiled: July 2, 2008Date of Patent: August 9, 2011Assignee: Osram Opto Semiconductors GmbHInventors: Mario Wanninger, Markus Hofmann, Günter Waitl, Alexander Wilm
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Publication number: 20110176116Abstract: An LED projector includes a plurality of light sources; and an image generator which includes an arrangement of pixels, each pixel including at least one light source; wherein the LEDs are stacked epi-LEDs which include layers arranged above one another for different colors, or each pixel includes an emission surface and at least two LEDs are arranged adjacent one another in the emission surface.Type: ApplicationFiled: September 9, 2009Publication date: July 21, 2011Applicant: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Stefan Grötsch, Ewald Karl Michael Günther, Alexander Wilm, Siegfried Herrmann
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Publication number: 20110085144Abstract: A multicolour LED, in which layers for generating light of different colours are arranged one above the other, is used as the light source in a projector.Type: ApplicationFiled: May 4, 2009Publication date: April 14, 2011Applicant: OSRAM Opto Semiconductors GmbHInventors: Stefan Groetsch, Elwald Karl Michael Guenther, Alexander Wilm, Siegfried Herrmann
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Patent number: 7868339Abstract: An illumination device comprising a connection carrier (1), at least one light-emitting diode (10), an electrically insulating layer (3) and a fixing device (4) is specified. The connection carrier (1) has a first main area (1a) and a second main area (1b) remote from the first main area. The light-emitting diode (10) is fixed on the first main area (1a) of the connection carrier (1). The electrically insulating layer (3) is fitted to the second main area (1b) of the connection carrier (1) and projects laterally beyond the second main area (1b) of the connection carrier (1). The fixing device (4) is suitable for fixing the illumination device to a mounting area (2a) of a carrier (2), wherein the electrically insulating layer (3) is arranged between the second main area (1b) of the connection carrier (1) and the mounting area (2a) of the carrier (2). Furthermore, the fixing device (4) presses the connection carrier (1) against the mounting area (2a).Type: GrantFiled: November 19, 2007Date of Patent: January 11, 2011Assignee: Osram Gesellschaft mit beschränkter HaftungInventors: Harald Stoyan, Markus Hofmann, Alexander Wilm, Michael Sailer, Rainer Huber, Monika Rose
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Patent number: 7762699Abstract: A motor vehicle headlight (80) comprises at least two modules (70) for light production, the radiation characteristics of at least one of the modules (70) being adjustable in a reference system associated with the headlight. Preferably, modules (70) of the headlight (80) have different radiation characteristics and the irradiation characteristics of at least two of the modules (70) overlap to form an adjustable radiation characteristic of the headlight (80).Type: GrantFiled: March 31, 2006Date of Patent: July 27, 2010Assignee: OSRAM Gesellschaft mit beschrankter HaftungInventors: Thomas Reiners, Ralf Vollmer, Alexander Wilm
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Publication number: 20100012959Abstract: An optoelectronic component with a desired color impression in the switched-off state includes, in particular, a semiconductor layer sequence with an active region, that during operation radiates electromagnetic radiation with a first spectrum, and a wavelength conversion layer that is disposed downstream from the semiconductor layer sequence in the beam path of the electromagnetic radiation with the first spectrum, and that at least partially converts a subspectrum of the electromagnetic radiation with the first spectrum into electromagnetic radiation with a second spectrum, and a filter layer that reflects at least a part of the radiation incident from outside onto the optoelectronic component.Type: ApplicationFiled: September 7, 2007Publication date: January 21, 2010Inventors: Alexander Wilm, Julius Muschaweck, Moritz Engl
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Patent number: 7621658Abstract: A light-emitting module is specified that comprises a light source, a carrier for said light source, and an optical element, wherein the optical element comprises dowel pins that engage in corresponding recesses in the carrier. The light-emitting module is particularly well suited for use in optical projection apparatuses and in motor vehicle projection lamps.Type: GrantFiled: September 11, 2007Date of Patent: November 24, 2009Assignee: Osram Opto Semiconductors GmbHInventors: Stefan Grötsch, Moritz Engl, Florin Oswald, Michael Sailer, Alexander Wilm
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Patent number: 7607804Abstract: A lighting device with a light source followed by an optical apparatus in an emission direction, and a primary optics element with a light inlet and a light outlet being arranged between the light source and the optical apparatus. The primary optics element is designed such that desired characteristics of the light beam are formed within the primary optics element by deliberate reflections on specially shaped reflective surfaces of the primary optics element.Type: GrantFiled: July 16, 2008Date of Patent: October 27, 2009Assignee: Osram Opto Semiconductors GmbHInventors: Mario Wanninger, Alexander Wilm
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Publication number: 20090129080Abstract: A lighting device with a light source followed by an optical apparatus in an emission direction, and a primary optics element with a light inlet and a light outlet being arranged between the light source and the optical apparatus. The primary optics element is designed such that desired characteristics of the light beam are formed within the primary optics element by deliberate reflections on specially shaped reflective surfaces of the primary optics element.Type: ApplicationFiled: July 16, 2008Publication date: May 21, 2009Inventors: Mario Wanninger, Alexander Wilm
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Publication number: 20090086482Abstract: An array of light-emitting diodes in LED chips, which can be turned on and off individually or in groups by means of a circuit, is provided with a device for homogenizing a light beam emitted by the turned-on LED chips. This device can be a conversion plate, a potting compound comprising a converter material or scattering particles, or a device for beam shaping comprising a plurality of micro-optics. The light source is particularly suited for headlights, for example in AFS applications.Type: ApplicationFiled: September 24, 2008Publication date: April 2, 2009Inventor: Alexander Wilm
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Publication number: 20090080210Abstract: A motor vehicle headlight (80) comprises at least two modules (70) for light production, the radiation characteristics of at least one of the modules (70) being adjustable in a reference system associated with the headlight. Preferably, modules (70) of the headlight (80) have different radiation characteristics and the irradiation characteristics of at least two of the modules (70) overlap to form an adjustable radiation characteristic of the headlight (80).Type: ApplicationFiled: March 31, 2006Publication date: March 26, 2009Applicant: Patent-Treuhand-Gesellschaft Für Elektrische Glühlampen MBHInventors: Thomas Reiners, Ralf Vollmer, Alexander Wilm
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Publication number: 20080297020Abstract: An illumination arrangement (1) is specified, comprising a radiation-emitting diode (2) for generating radiation, a first optical element (5) for beam shaping, a second optical element (6) for beam shaping and an optical axis (4) running through the radiation-emitting diode, wherein the first optical element has a radiation entrance surface (51) and a radiation exit surface (52), the second optical element has a radiation entrance surface (61) and a radiation exit surface (62), the optical axis runs through the first optical element and the second optical element, the radiation exit surface of the first optical element purposely refracts away from the optical axis a radiation portion (71) of radiation (7) generated in the radiation-emitting diode before said radiation portion enters the second optical element, and the radiation exit surface of the second optical element also purposely refracts said radiation portion away from the optical axis.Type: ApplicationFiled: August 14, 2006Publication date: December 4, 2008Applicant: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Mario Wanninger, Alexander Wilm
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Publication number: 20080285301Abstract: A lighting device is disclosed comprising a plurality of semiconductor light sources disposed on a carrier, wherein the light from the light sources is coupled into assigned lightguides at a set angle to the surface normals of the carrier and the lightguides are provided with reflecting and light exit faces such that the envelope of the light outcoupling faces forms a curved surface segment.Type: ApplicationFiled: July 2, 2008Publication date: November 20, 2008Inventors: Mario Wanninger, Markus Hofmann, Gunter Waitl, Alexander Wilm
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Patent number: 7407303Abstract: A lighting device is disclosed comprising a plurality of semiconductor light sources disposed on a carrier, wherein the light from the light sources is coupled into assigned lightguides at a set angle to the surface normals of the carrier and the lightguides are provided with reflecting and light exit faces such that the envelope of the light outcoupling faces forms a curved surface segment.Type: GrantFiled: December 21, 2005Date of Patent: August 5, 2008Assignee: Osram Opto Semiconductors GmbHInventors: Mario Wanninger, Markus Hofmann, Günter Waitl, Alexander Wilm
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Patent number: 7401947Abstract: A lighting device with a light source followed by an optical apparatus in an emission direction, and a primary optics element with a light inlet and a light outlet being arranged between the light source and the optical apparatus. The primary optics element is designed such that desired characteristics of the light beam are formed within the primary optics element by deliberate reflections on specially shaped reflective surfaces of the primary optics element.Type: GrantFiled: August 26, 2005Date of Patent: July 22, 2008Assignee: Osram Opto Semiconductors GmbHInventors: Mario Wanninger, Alexander Wilm
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Publication number: 20080151547Abstract: A light-emitting module is specified that comprises a light source, a carrier for said light source, and an optical element, wherein the optical element comprises dowel pins that engage in corresponding recesses in the carrier. The light-emitting module is particularly well suited for use in optical projection apparatuses and in motor vehicle projection lamps.Type: ApplicationFiled: September 11, 2007Publication date: June 26, 2008Inventors: Stefan Grotsch, Moritz Engl, Florin Oswald, Michael Sailer, Alexander Wilm
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Publication number: 20080135865Abstract: An illumination device comprising a connection carrier (1), at least one light-emitting diode (10), an electrically insulating layer (3) and a fixing device (4) is specified. The connection carrier (1) has a first main area (1a) and a second main area (1b) remote from the first main area. The light-emitting diode (10) is fixed on the first main area (1a) of the connection carrier (1). The electrically insulating layer (3) is fitted to the second main area (1b) of the connection carrier (1) and projects laterally beyond the second main area (1b) of the connection carrier (1). The fixing device (4) is suitable for fixing the illumination device to a mounting area (2a) of a carrier (2), wherein the electrically insulating layer (3) is arranged between the second main area (1b) of the connection carrier (1) and the mounting area (2a) of the carrier (2). Furthermore, the fixing device (4) presses the connection carrier (1) against the mounting area (2a).Type: ApplicationFiled: November 19, 2007Publication date: June 12, 2008Applicant: Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbHInventors: Harald Stoyan, Markus Hofmann, Alexander Wilm, Michael Sailer, Rainer Huber, Monika Rose
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Publication number: 20080084694Abstract: An optical element comprises a radiation exit face for a light-emitting diode, said optical element being suitable for producing a radiation characteristic that breaks rotational symmetry, and a light-emitting diode comprising such an optical element, and an LED arrangement comprising a plurality of light-emitting diodes arranged on a carrier, wherein each of the light-emitting diodes is associated with its own optical element, which is arranged and configured such that a radiation characteristic of the respective light-emitting diode is formed with broken rotational symmetry, and wherein the optical elements are similarly implemented.Type: ApplicationFiled: September 27, 2007Publication date: April 10, 2008Inventors: Monika Rose, Sven Weber-Rabsilber, Alexander Wilm
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Publication number: 20060147151Abstract: A lighting device is disclosed comprising a plurality of semiconductor light sources disposed on a carrier, wherein the light from the light sources is coupled into assigned lightguides at a set angle to the surface normals of the carrier and the lightguides are provided with reflecting and light exit faces such that the envelope of the light outcoupling faces forms a curved surface segment.Type: ApplicationFiled: December 21, 2005Publication date: July 6, 2006Inventors: Mario Wanninger, Markus Hofmann, Gunter Waitl, Alexander Wilm
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Publication number: 20060083013Abstract: A headlight with a predetermined emission characteristic. This headlight has a light source, which is followed by an optical apparatus in an emission direction, with a primary optics element with a light inlet and a light outlet being arranged between the light source and the optical apparatus. The formation of a desired emission characteristic comprises deliberate reflections in the primary optics element, that is to say the primary optics element is designed such that desired characteristics of the light beam are formed within the primary optics element by deliberate reflections on specially shaped reflective surfaces of the primary optics element, so that it is possible to produce an emission characteristic which corresponds to the predetermined emission characteristic of the lighting means, essentially by projecting a real or imaginary surface, which the light beam strikes, with an optical apparatus.Type: ApplicationFiled: August 26, 2005Publication date: April 20, 2006Applicant: Osram Opto Semiconductors GmbHInventors: Mario Wanninger, Alexander Wilm