Patents by Inventor Ulrich Steegmüller
Ulrich Steegmüller 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: 11598667Abstract: In an embodiment a measuring unit includes a light emitting LED component including a housing occupying a housing surface G and an LED chip located within the housing, the LED chip including a light emitting light surface L and being configured to emit light; a photodetector configured to detect reflected light reflected from a measured object originating from the LED component and output a measurement signal dependent on a detection of the reflected light; and an integrated circuit configured to evaluate the measurement signal, wherein the LED component, the photodetector, and the integrated circuit are combined into an integrated unit; and a conversion layer disposed in the housing and located above the LED chip, the conversion layer configured to convert the light into multiband light, wherein a ratio L/G of is greater than or equal to 0.8, and wherein the measuring unit is configured to optically measure at least one property of the measured object.Type: GrantFiled: September 18, 2019Date of Patent: March 7, 2023Assignee: OSRAM OLED GMBHInventors: Christian Leirer, Christian Mueller, Ulrich Steegmüller
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Publication number: 20220254965Abstract: The invention relates to a semiconductor component with a semiconductor chip and a radiation conversion element which is arranged on the semiconductor chip. The semiconductor chip has an active region which is designed to generate a primary radiation with a peak wavelength, the radiation conversion element has a quantum structure, the peak wavelength of the primary radiation lies in the infrared spectral range, and the quantum structure at least partly converts the primary radiation into a secondary radiation, wherein the emission wavelength of an emission maximum of the secondary radiation is greater than the peak wavelength. The invention additionally relates to a method for producing radiation conversion elements.Type: ApplicationFiled: May 25, 2020Publication date: August 11, 2022Inventors: Johannes Baur, Ulrich Steegmüller
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Publication number: 20210348967Abstract: In an embodiment a measuring unit includes a light emitting LED component including a housing occupying a housing surface G and an LED chip located within the housing, the LED chip including a light emitting light surface L and being configured to emit light; a photodetector configured to detect reflected light reflected from a measured object originating from the LED component and output a measurement signal dependent on a detection of the reflected light; and an integrated circuit configured to evaluate the measurement signal, wherein the LED component, the photodetector, and the integrated circuit are combined into an integrated unit; and a conversion layer disposed in the housing and located above the LED chip, the conversion layer configured to convert the light into multiband light, wherein a ratio L/G of is greater than or equal to 0.8, and wherein the measuring unit is configured to optically measure at least one property of the measured object.Type: ApplicationFiled: September 18, 2019Publication date: November 11, 2021Inventors: Christian Leirer, Christian Mueller, Ulrich Steegmüller
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Patent number: 9548433Abstract: A light-emitting diode chip includes at least two semiconductor bodies, each semiconductor body including at least one active area that generates radiation, a carrier having a top side and an underside facing away from the top side, and an electrically insulating connector arranged at the top side of the carrier, wherein the electrically insulating connector is arranged between the semiconductor bodies and the top side of the carrier, the electrically insulating connector imparts a mechanical contact between the semiconductor bodies and the carrier, and at least some of the semiconductor bodies electrically connect in series with one another.Type: GrantFiled: September 28, 2011Date of Patent: January 17, 2017Assignee: OSRAM Opto Semiconductors GmbHInventors: Stefan Illek, Ulrich Steegmüller, Norwin von Malm
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Patent number: 8585257Abstract: A compact housing comprises a one-piece mounting plate made from a metallic material, which is designed to be joined thermally conductively by a main side to an external support not belonging to the compact housing. Furthermore, the compact housing comprises a one-piece housing cover, which is joined permanently to the mounting plate and therewith encloses a volume. In addition, the compact housing contains at least one electrical feedthrough, such that at least one electrically conductive connection may be produced therewith from inside the volume to outside the volume, this connection being insulated electrically from the mounting plate. Within the volume a module is located which is designed to emit electromagnetic radiation. This module is applied directly to the mounting plate, such that the joint face between mounting plate and module is substantially parallel to the main side of the mounting plate joined to the external support.Type: GrantFiled: November 24, 2008Date of Patent: November 19, 2013Assignee: OSRAM Opto Semiconductors GmbHInventors: Thomas Schwarz, Ulrich Steegmüller, Michael Kühnelt, Roland Schulz
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Publication number: 20130299867Abstract: A light-emitting diode chip includes at least two semiconductor bodies, each semiconductor body including at least one active area that generates radiation, a carrier having a top side and an underside facing away from the top side, and an electrically insulating connector arranged at the top side of the carrier, wherein the electrically insulating connector is arranged between the semiconductor bodies and the top side of the carrier, the electrically insulating connector imparts a mechanical contact between the semiconductor bodies and the carrier, and at least some of the semiconductor bodies electrically connect in series with one another.Type: ApplicationFiled: September 28, 2011Publication date: November 14, 2013Applicant: OSRAM Opto Semiconductors GmbHInventors: Stefan Illek, Ulrich Steegmüller, Norwin von Malm
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Patent number: 8477814Abstract: A semiconductor laser module is disclosed, comprising a module carrier (20) having a mounting area (21), a pump device (1) arranged on the mounting area (21), a surface emitting semiconductor laser (40) arranged on the mounting area (21), and a frequency conversion device (6) arranged on the mounting area (21), wherein the mounting area (21) of the module carrier (20) has an area content of at most 100 mm2.Type: GrantFiled: February 13, 2009Date of Patent: July 2, 2013Assignee: OSRAM Opto Semiconductors GmbHInventors: Thomas Schwarz, Michael Kuehnelt, Roland Schulz, Juergen Dachs, Ulrich Steegmueller, Heiko Unold
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Patent number: 8411715Abstract: The invention relates to a semiconductor laser device comprising a laser bar (2), a flexible conductor support (10), a supporting body (3) of a metal or a metal alloy and a heat sink (4), which is arranged between the supporting body (3) and the laser bar (2), the laser bar (2) being electrically contacted by the flexible conductor support (10) and the supporting body (3) having a thickness of at least 2 mm. The invention further relates to a method for producing the above-described semiconductor laser device, wherein a synchronous soldering process is used to solder the laser bar (2) to the heat sink (4) by means of a hard solder layer (30) and the heat sink (4) to the supporting body (3) by means of a further hard solder layer (31).Type: GrantFiled: November 19, 2008Date of Patent: April 2, 2013Assignee: OSRAM Opto Semiconductors GmbHInventors: Frank Singer, Thomas Schwarz, Ulrich Steegmüller, Roland Schulz
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Patent number: 8396092Abstract: An optically pumped semiconductor apparatus having a surface-emitting semiconductor body (1) which has a radiation passage area (1a) which faces away from a mounting plane of the semiconductor body (1), and an optical element (7) which is suitable for directing pump radiation (17) onto the radiation passage area (1a) of the semiconductor body (1).Type: GrantFiled: December 29, 2006Date of Patent: March 12, 2013Assignee: OSRAM Opto Semiconductors GmbHInventors: Ulrich Steegmüller, Frank Singer, Thomas Schwarz, Michael Kühnelt
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Patent number: 8076166Abstract: A method for fabricating an optically pumped semiconductor apparatus, having the following steps: provision of a connection carrier assembly (50) comprising a plurality of connection carriers (14) which are permanently connected to one another mechanically, arrangement of a surface-emitting semiconductor body (1) on a connection carrier (14) in the connection carrier assembly (50), and separation of the connection carrier assembly (50) into individual semiconductor apparatuses.Type: GrantFiled: December 29, 2006Date of Patent: December 13, 2011Assignee: OSRAM Opto Semiconductors GmbHInventors: Ulrich Steegmüller, Frank Singer, Thomas Schwarz, Roland Schulz
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Patent number: 8072692Abstract: An aspherical planoconvex lens (20), containing a material with a refractive index of at least 3.0, in which the height (h) of the convex region (21) is a maximum of one fifth of the thickness (1) of the lens (20). Also disclosed is a laser assembly incorporating such a lens and a method for the manufacture of such a laser assembly.Type: GrantFiled: December 12, 2005Date of Patent: December 6, 2011Assignee: OSRAM Opto Semiconductors GmbHInventors: Ulrich Steegmüller, Frank Singer, Guido Weiss
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Publication number: 20110211169Abstract: A projection system includes an opto-electromechanical component for speckle reduction, the opto-electromechanical component comprising a micro-motor having a shaft and a translucent light-diffusing element fixed to the shaft.Type: ApplicationFiled: March 1, 2010Publication date: September 1, 2011Applicant: OSRAM Opto Semiconductor GmbHInventors: Ulrich Steegmüller, Rolf Weber
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Publication number: 20110102914Abstract: An aspherical planoconvex lens (20), containing a material with a refractive index of at least 3.0, in which the height (h) of the convex region (21) is a maximum of one fifth of the thickness (l) of the lens (20). Also disclosed is a laser assembly incorporating such a lens and a method for the manufacture of such a laser assembly.Type: ApplicationFiled: December 12, 2005Publication date: May 5, 2011Applicant: Osram Opto Semiconductors GmbHInventors: Ulrich Steegmüller, Frank Singer, Guido Weiss
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Patent number: 7903716Abstract: A surface emitting semiconductor laser includes a semiconductor chip (1), which emits radiation (12) and contains a first resonator mirror (3). A second resonator mirror (6) is arranged outside the semiconductor chip (1). The first resonator mirror (3) and the second resonator mirror (6) form a laser resonator for the radiation (12) emitted by the semiconductor chip (1). The laser resonator contains an interference filter (9, 17), which is formed from an interference layer system comprising a plurality of dielectric layers.Type: GrantFiled: January 31, 2005Date of Patent: March 8, 2011Assignee: OSRAM Opto Semiconductors GmbHInventors: Thomas Schwarz, Ulrich Steegmüller, Michael Kühnelt
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Publication number: 20110032962Abstract: The invention relates to a semiconductor laser device comprising a laser bar (2), a flexible conductor support (10), a supporting body (3) of a metal or a metal alloy and a heat sink (4), which is arranged between the supporting body (3) and the laser bar (2), the laser bar (2) being electrically contacted by the flexible conductor support (10) and the supporting body (3) having a thickness of at least 2 mm. The invention further relates to a method for producing the above-described semiconductor laser device, wherein a synchronous soldering process is used to solder the laser bar (2) to the heat sink (4) by means of a hard solder layer (30) and the heat sink (4) to the supporting body (3) by means of a further hard solder layer (31).Type: ApplicationFiled: November 19, 2008Publication date: February 10, 2011Applicant: Osram Opto Semiconductors GmbHInventors: Frank Singer, Thomas Schwarz, Ulrich Steegmüller, Roland Schulz
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Patent number: 7860144Abstract: A semiconductor laser component comprising a semiconductor laser chip (1) provided for generating radiation and an optical device comprising a carrier (7), a radiation deflecting element (8) arranged on the carrier and a mirror arranged on the carrier is proposed, wherein the mirror is formed as an external mirror (9) of an external optical resonator for the semiconductor laser chip (1), the radiation deflecting element is arranged within the resonator, the radiation deflecting element is formed for deflecting at least a portion of a radiation (13, 160) that is generated by the semiconductor laser chip (1) and reflected by the external mirror, the carrier has a lateral main extension direction, and the semiconductor laser chip (1) is disposed downstream of the carrier in a vertical direction with respect to the lateral main extension direction.Type: GrantFiled: June 24, 2005Date of Patent: December 28, 2010Assignee: Osram Opto Semiconductors GmbHInventors: Michael Kühnelt, Thomas Schwarz, Frank Singer, Ulrich Steegmüller
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Patent number: 7817695Abstract: A surface emitting semiconductor laser device comprising at least one surface emitting semiconductor laser (21) having a vertical emitter (1) and at least one pump radiation source (2), which are monolithically integrated alongside one another onto a common substrate (13), is described. The semiconductor laser device additionally has a heat-conducting element (18), which is in thermal contact with the semiconductor laser (21) and has a mounting area provided for mounting on a carrier (27). Methods for producing such a surface emitting semiconductor laser device are furthermore described.Type: GrantFiled: September 20, 2005Date of Patent: October 19, 2010Assignee: Osram Opto Semiconductors GmbHInventors: Tony Albrecht, Stephan Lutgen, Wolfgang Reill, Thomas Schwarz, Ulrich Steegmüller
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Patent number: 7778289Abstract: An optically pumped, surface-emitting semiconductor laser having a mode-selective apparatus (7) which is intended for suppression of predeterminable, higher resonator modes of the semiconductor laser. The mode-selective apparatus is arranged in the beam path of a pump beam source (2) of the surface-emitting semiconductor laser.Type: GrantFiled: September 28, 2006Date of Patent: August 17, 2010Assignee: Osram Opto Semiconductors GmbHInventors: Michael Kühnelt, Ulrich Steegmüller, Wolfgang Reill, Thomas Schwarz, Frank Singer
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Patent number: 7729046Abstract: In a laser device, a crystal array includes a laser gain crystal and an optically non-linear frequency conversion crystal. A pump source couples at least two mutually spatially separated pump beams into the crystal array. Between two pump beams, a saw kerf of the crystal array extends parallel to the pump beams.Type: GrantFiled: July 9, 2008Date of Patent: June 1, 2010Assignee: Osram Opto Semiconductors GmbHInventors: Michael Kühnelt, Thomas Schwarz, Ulrich Steegmüller, Frank Singer
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Publication number: 20090232170Abstract: A semiconductor laser module is disclosed, comprising a module carrier (20) having a mounting area (21), a pump device (1) arranged on the mounting area (21), a surface emitting semiconductor laser (40) arranged on the mounting area (21), and a frequency conversion device (6) arranged on the mounting area (21), wherein the mounting area (21) of the module carrier (20) has an area content of at most 100 mm2.Type: ApplicationFiled: February 13, 2009Publication date: September 17, 2009Applicant: OSRAM Opto Semiconductor GmbHInventors: Thomas Schwarz, Michael Kuehnelt, Roland Schulz, Juergen Dachs, Ulrich Steegmueller, Heiko Unold