Patents by Inventor Andreas LOEFFLER
Andreas LOEFFLER 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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Publication number: 20240096112Abstract: A method for creating a lane model by at least one first and at least one second environment detection sensor of an ego-vehicle, including: recording the environment of the ego-vehicle with the at least one first and the at least one second environment detection sensor; evaluating the sensor data from the sensor recording; determining a roadway from the sensor data; extracting detections of the at least one first environment detection sensor, which may be assigned to the roadway; estimating a ground plane and/or ground curvature based on the sensor data of the at least one first environment detection sensor; providing the estimation of the ground plane and/or ground curvature; creating a lane model, wherein the estimation of the ground plane and/or ground curvature as well as the sensor data of the at least one second environment detection sensor are fused to produce the lane model.Type: ApplicationFiled: September 15, 2023Publication date: March 21, 2024Applicant: Continental Autonomous Mobility Germany GmbHInventors: Jonathan Wache, Dennis Kinder, Andreas Löffler, Dieter Krökel
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Patent number: 11874370Abstract: A method for acquiring information in the spatial environment of a vehicle, comprising: providing at least two radar sensors arranged at different positions at the vehicle; transmitting radar signals by the radar sensors, the radar signals being assigned to the radar sensors; receiving reflected components of the radar signals assigned to the radar sensors at the respective radar sensors and further processing these reflected components of the radar signals as reception information; assigning time information to the reception information obtained from the respective radar sensors, the time information forming a time reference for the reception information; assigning location information to the reception information obtained from the respective radar sensors, the location information forming a location reference for the reception information; and processing the reception information obtained from the at least two radar sensors into common environment information by taking into account the time information andType: GrantFiled: September 23, 2019Date of Patent: January 16, 2024Assignees: CONTINENTAL AUTONOMOUS MOBILITY GERMANY GMBH, VOLKSWAGEN AGInventors: Andreas Löffler, Fabian Harrer, Thomas Gisder, Marc-Michael Meinecke, Thorsten Bagdonat
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Patent number: 11837844Abstract: A method for singulating semiconductor components (20) is specified, said method comprising the steps of providing a carrier (21), applying at least two semiconductor chips (22) on the carrier (21), etching at least one break nucleus (23) at a side of the carrier (21) facing the semiconductor chips (22), and singulating at least two semiconductor components (20) by breaking the carrier (21) along the at least one break nucleus (23). The at least one break nucleus (23) extends at least in places in a vertical direction (z), the vertical direction (z) being perpendicular to a main extension plane of the carrier (21), and the at least one break nucleus (23) is arranged between the two semiconductor chips (22) in a lateral direction (x), the lateral direction (x) being parallel to the main extension plane of the carrier (21).Type: GrantFiled: December 27, 2018Date of Patent: December 5, 2023Assignee: OSRAM OLED GMBHInventors: John Brückner, Urs Heine, Sven Gerhard, Lars Nähle, Andreas Löffler, André Somers
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Patent number: 11742633Abstract: An optoelectronic component includes a layer structure including an active zone that generates electromagnetic radiation and is arranged in a plane, wherein the layer structure includes a top side and four side faces, first and third side faces are arranged opposite one another, second and fourth side faces are arranged opposite one another, a strip-shaped ridge structure is arranged on the top side of the layer structure and extends between the first side face and the third side face, the first side face constitutes an emission face for electromagnetic radiation, wherein a first recess is introduced into the top side of the layer structure laterally alongside the ridge structure, a second recess is introduced into the first recess, the second recess extends as far as the second side face, and at least one third recess is introduced into a base face of the first recess laterally alongside the ridge structure.Type: GrantFiled: February 10, 2021Date of Patent: August 29, 2023Assignee: OSRAM OLED GmbHInventors: Sven Gerhard, Alfred Lell, Clemens Vierheilig, Andreas Löffler
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Patent number: 11581707Abstract: A method of producing a laser diode bar includes producing a plurality of emitters arranged side by side, emitters each including a semiconductor layer sequence having an active layer that generates laser radiation, a p-contact on a first main surface of the laser diode bar and an n-contact on a second main surface of the laser diode bar opposite the first main surface, testing at least one optical and/or electrical property of the emitters, wherein emitters in which the optical and/or electrical property lies within a predetermined setpoint range are assigned to a group of first emitters, and emitters in which the at least one optical and/or electrical property lies outside the predetermined setpoint range are assigned to a group of second emitters, and electrically contacting first emitters, wherein second emitters are not electrically contacted so that they are not supplied with current during operation of the laser diode bar.Type: GrantFiled: May 19, 2021Date of Patent: February 14, 2023Assignee: OSRAM OLED GmbHInventors: Clemens Vierheilig, Andreas Löffler, Sven Gerhard
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Patent number: 11557698Abstract: Disclosed is a conversion element (1) comprising an active region (13) that is formed by a semiconductor material and includes a plurality of barriers (131) and quantum troughs (132), a plurality of first structural elements (14) on a top face (la) of the conversion element (1), and a plurality of second structural elements (15) and/or third structural elements (16) which are arranged on a face of the active region (13) facing away from the plurality of first structural elements (14). Also disclosed is a method for producing a conversion element of said type.Type: GrantFiled: January 17, 2017Date of Patent: January 17, 2023Assignee: OSRAM OLED GMBHInventors: Andreas Loeffler, Adam Bauer, Matthias Peter, Michael Binder
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Patent number: 11500087Abstract: A method for classification of ground conditions in the vicinity of a vehicle using a radar sensor, comprising: receiving reflected portions of a radar signal at a receiver unit of a radar system; calculating information derived from the received portions of the radar signal for discrete spatial regions by the radar system or a control unit connected thereto; assigning the information to data structure units associated with a geographical location and the assignment of the information taking into account movement of the vehicle; collecting pieces of information in the respective data structure units, the pieces of information being obtained from reflected portions of radar signals transmitted at different times; evaluating the information contained in the data structure using a classifier to obtain information regarding the ground condition; assigning ground condition types to the data structure units based on evaluation results obtained by the classifier.Type: GrantFiled: October 15, 2018Date of Patent: November 15, 2022Assignees: Conti Temic microelectronic GmbH, Volkswagen AGInventors: Thorsten Bagdonat, Marc-Michael Meinecke, Andreas Löffler, Thomas Fechner
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Patent number: 11393949Abstract: A semiconductor component and an illumination device is disclosed. In an embodiment the semiconductor component includes a semiconductor chip configured to generate a primary radiation having a first peak wavelength and a radiation conversion element arranged on the semiconductor chip. The radiation conversion element includes a quantum structure that converts the primary radiation at least partly into secondary radiation having a second peak wavelength and a substrate that is transmissive to the primary radiation.Type: GrantFiled: December 20, 2019Date of Patent: July 19, 2022Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Adam Bauer, Wolfgang Mönch, David Racz, Michael Wittmann, Dominik Schulten, Andreas Löffler
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Publication number: 20210396870Abstract: A method for acquiring information in the spatial environment of a vehicle, comprising: providing at least two radar sensors arranged at different positions at the vehicle; transmitting radar signals by the radar sensors, the radar signals being assigned to the radar sensors; receiving reflected components of the radar signals assigned to the radar sensors at the respective radar sensors and further processing these reflected components of the radar signals as reception information; assigning time information to the reception information obtained from the respective radar sensors, the time information forming a time reference for the reception information; assigning location information to the reception information obtained from the respective radar sensors, the location information forming a location reference for the reception information; and processing the reception information obtained from the at least two radar sensors into common environment information by taking into account the time information andType: ApplicationFiled: September 23, 2019Publication date: December 23, 2021Applicants: Conti Temic microelectronic GmbH, Volkswagen AGInventors: Andreas Löffler, Fabian Harrer, Thomas Gisder, Marc-Michael Meinecke, Thorsten Bagdonat
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Patent number: 11201454Abstract: The invention relates to a semiconductor laser comprising a layer structure comprising an active zone, wherein the active zone is configured to generate an electromagnetic radiation, wherein the layer structure comprises a sequence of layers, wherein two opposite end faces are provided in a Z-direction, wherein at least one end face is configured to at least partly couple out the electromagnetic radiation, and wherein the second end face is configured to at least partly reflect the electromagnetic radiation, wherein guide means are provided for forming an optical mode in a mode space between the end faces, wherein means are provided which hinder a formation of an optical mode outside the mode space, in particular modes comprising a propagation direction which do not extend perpendicularly to the end faces.Type: GrantFiled: April 7, 2017Date of Patent: December 14, 2021Assignee: OSRAM OLED GMBHInventors: Clemens Vierheilig, Alfred Lell, Sven Gerhard, Andreas Loeffler
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Patent number: 11165223Abstract: A semiconductor light source is disclosed. In one embodiment, a semiconductor light source includes at least one semiconductor laser configured to generate a primary radiation and at least one conversion element configured to generate a longer-wave visible secondary radiation from the primary radiation, wherein the conversion element includes a semiconductor layer sequence having one or more quantum well layers, wherein, in operation, the primary radiation is irradiated into the semiconductor layer sequence parallel to a growth direction thereof, with a tolerance of at most 15°, wherein, in operation, the semiconductor layer sequence is homogeneously illuminated with the primary radiation, and wherein a growth substrate of the semiconductor layer sequence is located between the semiconductor layer sequence and the semiconductor laser, the growth substrate being oriented perpendicular to the growth direction.Type: GrantFiled: June 2, 2020Date of Patent: November 2, 2021Assignee: OSRAM OLED GMBHInventors: Bernhard Stojetz, Alfred Lell, Christoph Eichler, Andreas Loeffler
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Patent number: 11128106Abstract: A method of producing a laser diode bar includes producing a plurality of emitters arranged side by side, emitters each including a semiconductor layer sequence having an active layer that generates laser radiation, a p-contact on a first main surface of the laser diode bar and an n-contact on a second main surface of the laser diode bar opposite the first main surface, testing at least one optical and/or electrical property of the emitters, wherein emitters in which the optical and/or electrical property lies within a predetermined setpoint range are assigned to a group of first emitters, and emitters in which the at least one optical and/or electrical property lies outside the predetermined setpoint range are assigned to a group of second emitters, and electrically contacting first emitters, wherein second emitters are not electrically contacted so that they are not supplied with current during operation of the laser diode bar.Type: GrantFiled: June 13, 2017Date of Patent: September 21, 2021Assignee: OSRAM OLED GmbHInventors: Clemens Vierheilig, Andreas Löffler, Sven Gerhard
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Publication number: 20210273416Abstract: A method of producing a laser diode bar includes producing a plurality of emitters arranged side by side, emitters each including a semiconductor layer sequence having an active layer that generates laser radiation, a p-contact on a first main surface of the laser diode bar and an n-contact on a second main surface of the laser diode bar opposite the first main surface, testing at least one optical and/or electrical property of the emitters, wherein emitters in which the optical and/or electrical property lies within a predetermined setpoint range are assigned to a group of first emitters, and emitters in which the at least one optical and/or electrical property lies outside the predetermined setpoint range are assigned to a group of second emitters, and electrically contacting first emitters, wherein second emitters are not electrically contacted so that they are not supplied with current during operation of the laser diode bar.Type: ApplicationFiled: May 19, 2021Publication date: September 2, 2021Inventors: Clemens Vierheilig, Andreas Löffler, Sven Gerhard
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Patent number: 11086138Abstract: A method of autostereoscopic imaging including providing an autostereoscopic illumination unit including a lens field composed of a multiplicity of individual lenses or concave mirrors, and modulating an emission characteristic of the light source such that the individual lenses or the concave mirrors are illuminated only partly by the light source, wherein light from the light source impinges on the individual lenses or concave mirrors such that an emission characteristic of a three-dimensional object is imitated, the lens field extends over a spatial angle range of at least 2 sr relative to the light source or an external observer, the individual lenses or concave mirrors are distributed over the lens field and are at least partially sequentially irradiated, and the light source is formed by one or more lasers and the laser or each of the lasers irradiates/irradiate only one of the individual lenses at a specific point in time.Type: GrantFiled: July 24, 2017Date of Patent: August 10, 2021Assignee: OSRAM OLED GmbHInventors: Bernhard Stojetz, Alfred Lell, Christoph Eichler, Andreas Löffler, Harald König, André Somers, Clemens Vierheilig
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Publication number: 20210167581Abstract: An optoelectronic component includes a layer structure including an active zone that generates electromagnetic radiation and is arranged in a plane, wherein the layer structure includes a top side and four side faces, first and third side faces are arranged opposite one another, second and fourth side faces are arranged opposite one another, a strip-shaped ridge structure is arranged on the top side of the layer structure and extends between the first side face and the third side face, the first side face constitutes an emission face for electromagnetic radiation, wherein a first recess is introduced into the top side of the layer structure laterally alongside the ridge structure, a second recess is introduced into the first recess, the second recess extends as far as the second side face, and at least one third recess is introduced into a base face of the first recess laterally alongside the ridge structure.Type: ApplicationFiled: February 10, 2021Publication date: June 3, 2021Inventors: Sven Gerhard, Alfred Lell, Clemens Vierheilig, Andreas Löffler
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Patent number: 11004876Abstract: A method for producing a semiconductor chip (100) is provided, in which, during a growth process for growing a first semiconductor layer (1), an inhomogeneous lateral temperature distribution is created along at least one direction of extent of the growing first semiconductor layer (1), such that a lateral variation of a material composition of the first semiconductor layer (1) is produced. A semiconductor chip (100) is additionally provided.Type: GrantFiled: July 31, 2019Date of Patent: May 11, 2021Assignee: OSRAM OLED GMBHInventors: Christoph Eichler, Andre Somers, Harald Koenig, Bernhard Stojetz, Andreas Loeffler, Alfred Lell
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Patent number: 10938180Abstract: An optoelectronic component includes a layer structure including an active zone that generates electromagnetic radiation, wherein the active zone is arranged in a plane, the layer structure includes a top side and four side faces, the first and third side faces are arranged opposite one another, the second and fourth side faces are arranged opposite one another, a strip-type ridge structure is arranged on the top side of the layer structure, the ridge structure extends between the first side face and the third side face, the first side face constitutes an emission face for electromagnetic radiation, a first recess is introduced into the top side of the layer structure laterally alongside the ridge structure, a second recess is introduced into the first recess, and the second recess extends as far as the second side face.Type: GrantFiled: March 30, 2020Date of Patent: March 2, 2021Assignee: OSRAM OLED GmbHInventors: Sven Gerhard, Alfred Lell, Clemens Vierheilig, Andreas Löffler
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Publication number: 20210057884Abstract: In an embodiment, the semiconductor laser (1) comprises a semiconductor layer sequence (2) in which an active zone (22) for generating laser radiation (L) is located. Several electrical contact surfaces (5) serve for external electrical contacting of the semiconductor layer sequence (2). Several parallel ridge waveguides (3) are formed from the semiconductor layer sequence (2) and configured to guide the laser radiation (L) along a resonator axis, so that there is a separating trench (6) between adjacent ridge waveguides. At least one electrical feed (4) serves from at least one of the electrical contact surfaces (5) to guide the current to at least one of the ridge waveguides (3). A distance (A4) between the ridge waveguides is at most 50 ?m. The ridge waveguides (3) are electrically controllable individually or in groups independently of one another and/or configured for single-mode operation.Type: ApplicationFiled: March 13, 2019Publication date: February 25, 2021Inventors: Jan Marfeld, André Somers, Andreas Löffler, Sven Gerhard
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Patent number: 10811843Abstract: The disclosure relates to a semiconductor laser includes a semiconductor layer sequence with an-n-type n-region, a p-type p-region and an active zone lying between the two for the purpose of generating laser radiation. A p-contact layer that is permeable to the laser radiation and consists of a transparent conductive oxide is located directly on the p-region for the purpose of current input. An electrically-conductive metallic p-contact structure is applied directly to the p-contact layer. The p-contact layer is one part of a cover layer, and therefore the laser radiation penetrates as intended into the p-contact layer during operation of the semiconductor laser. Two facets of the semiconductor layer sequence form resonator end surfaces for the laser radiation.Type: GrantFiled: September 27, 2016Date of Patent: October 20, 2020Assignee: OSRAM OLED GMBHInventors: Sven Gerhard, Alfred Lell, Clemens Vierheilig, Andreas Loeffler, Christoph Eichler
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Patent number: 10811582Abstract: An arrangement is disclosed. In an embodiment the arrangement includes at least one semiconductor component and a heat sink, wherein the semiconductor component is arranged on the heat sink, wherein the heat sink is configured to dissipate heat from the semiconductor component, wherein the heat sink comprises a thermally conductive material, and wherein the material comprises at least aluminum and silicon.Type: GrantFiled: June 15, 2016Date of Patent: October 20, 2020Assignee: OSRAM OLED GMBHInventors: Andreas Loeffler, Thomas Hager, Christoph Walter, Alfred Lell