Patents by Inventor Bjoern HOXHOLD
Bjoern HOXHOLD 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: 20230015476Abstract: In an embodiment a semiconductor component includes a carrier, at least one semiconductor chip arranged on the carrier, the semiconductor chip having at least one first electrical contact at a main surface of the semiconductor chip facing away from the carrier, an electrically insulating layer arranged on the carrier and at least one electrical connection layer led by the electrically insulating layer to the first electrical contact, wherein the electrically insulating layer includes a photopatternable material.Type: ApplicationFiled: December 8, 2020Publication date: January 19, 2023Inventors: Stefan Rass, Bjoern Hoxhold, Andreas Waldschik, Andreas Dobner, Hermann Nuss
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Publication number: 20230006118Abstract: In an embodiment an optoelectronic device includes a carrier and a plurality of semiconductor chips fastened on the carrier by a connector, wherein each semiconductor chip has at least one contact pad on a main surface facing away from the carrier, wherein each contact pad is contacted electrically by an interconnecting track, and wherein the interconnecting track is guided over an edge of the main surface of the semiconductor chip onto the carrier.Type: ApplicationFiled: November 30, 2020Publication date: January 5, 2023Inventors: Hermann Nuss, Andreas Dobner, Bjoern Hoxhold, Andreas Waldschik, Erwin Beer, Bernd Boehm, Ludwig Hofbauer, Stefan Merl, Stefan Rass, Matthias Stark
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Patent number: 10923640Abstract: An optoelectronic component includes a carrier, and a housing material arranged above a top side of a carrier, wherein a cavity is configured in the housing material, a top side of a first optoelectronic semiconductor chip is arranged in the cavity, the first optoelectronic semiconductor chip has a first electrical connection pad arranged at the top side of the first optoelectronic semiconductor chip, and electrically conductively connects by a bond wire to a first contact pad arranged at the top side of the carrier, a first section of the bond wire is arranged in the cavity and a second section of the bond wire is embedded the housing material, a covering material is arranged in the cavity and covers at least one part of the top side of the first optoelectronic semiconductor chip, and the first section of the bond wire is embedded in the covering material.Type: GrantFiled: October 28, 2016Date of Patent: February 16, 2021Assignee: OSRAM OLED GmbHInventors: Thomas Schwarz, Stefan Listl, Björn Hoxhold, Frank Singer
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Patent number: 10340430Abstract: An optoelectronic lamp device includes an optoelectronic semiconductor component including a top side including a light-emitting face, and a housing embedding the semiconductor component and leaving free the light-emitting face, wherein a housing face is coated with a light-scattering dielectric resist layer that may scatter light incident on a face of the resist layer facing away from the housing face.Type: GrantFiled: June 27, 2016Date of Patent: July 2, 2019Assignee: OSRAM Opto Semiconductors GmbHInventors: Christian Leirer, Björn Hoxhold, Stefanie Rammelsberger
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Patent number: 10205071Abstract: A method of producing optoelectronic semiconductor components includes providing a carrier with a carrier underside and a carrier top. The carrier has a metallic core material and at least on the carrier top a metal layer. A dielectric mirror is applied to the core material. At least two holes are formed through the carrier. A ceramic layer with a thickness of at most 150 ?m at least on the carrier underside and in the holes is produced. The ceramic layer includes the core material as a component. Metallic contact layers are applied to at least subregions of the ceramic layer on the carrier underside and in the holes so that the carrier top electrically connects to the carrier underside through the holes. At least one radiation-emitting semiconductor chip is applied to the carrier top and the semiconductor chip is electronically bonded to the contact layers.Type: GrantFiled: May 19, 2016Date of Patent: February 12, 2019Assignee: OSRAM Opto Semiconductors GmbHInventors: Thomas Schwarz, Andreas Biebersdorf, Dirk Becker, Bernd Barchmann, Björn Hoxhold, Philipp Schlosser, Andreas Waldschik
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Publication number: 20180358522Abstract: An optoelectronic component includes a carrier, and a housing material arranged above a top side of a carrier, wherein a cavity is configured in the housing material, a top side of a first optoelectronic semiconductor chip is arranged in the cavity, the first optoelectronic semiconductor chip has a first electrical connection pad arranged at the top side of the first optoelectronic semiconductor chip, and electrically conductively connects by a bond wire to a first contact pad arranged at the top side of the carrier, a first section of the bond wire is arranged in the cavity and a second section of the bond wire is embedded the housing material, a covering material is arranged in the cavity and covers at least one part of the top side of the first optoelectronic semiconductor chip, and the first section of the bond wire is embedded in the covering material.Type: ApplicationFiled: October 28, 2016Publication date: December 13, 2018Inventors: Thomas Schwarz, Stefan Listl, Björn Hoxhold, Frank Singer
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Publication number: 20180198044Abstract: An optoelectronic lamp device includes an optoelectronic semiconductor component including a top side including a light-emitting face, and a housing embedding the semiconductor component and leaving free the light-emitting face, wherein a housing face is coated with a light-scattering dielectric resist layer that may scatter light incident on a face of the resist layer facing away from the housing face.Type: ApplicationFiled: June 27, 2016Publication date: July 12, 2018Inventors: Christian Leirer, Björn Hoxhold, Stefanie Rammelsberger
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Publication number: 20180145234Abstract: A method of producing optoelectronic semiconductor components includes providing a carrier with a carrier underside and a carrier top, wherein the carrier has a metallic core material and at least on the carrier top a metal layer and following this a dielectric mirror are applied to the core material, forming at least two holes through the carrier, producing a ceramic layer with a thickness of at most 150 ?m at least on the carrier underside and in the holes, wherein the ceramic layer includes the core material as a component, applying metallic contact layers to at least subregions of the ceramic layer on the carrier underside and in the holes so that the carrier top electrically connects to the carrier underside through the holes, and applying at least one radiation-emitting semiconductor chip to the carrier top and electrical bonding of the semiconductor chip to the contact layers.Type: ApplicationFiled: May 19, 2016Publication date: May 24, 2018Inventors: Thomas Schwarz, Andreas Biebersdorf, Dirk Becker, Bernd Barchmann, Björn Hoxhold, Philipp Schlosser, Andreas Waldschik
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Patent number: 9893232Abstract: The invention provides an optoelectronic semiconductor component and a method for producing an optoelectronic semiconductor component (10), comprising the following steps: A) arranging at least one semiconductor chip (2) on a carrier (1), B) applying an electrically insulating photoresist (3) to a top side (1a) of the carrier (1) and to the semiconductor chip (2), C) curing the photoresist (3) with a baking step, D) patterning the photoresist (3) by exposure, F) developing the photoresist (3), wherein the photoresist (3) is removed at least from a radiation penetration surface (2b) of the semiconductor chip (2), G) again curing the photoresist (3) with a baking step, and H) applying an electrically conductive contact layer (4) to the photoresist (3), wherein the electrically conductive contact layer (4) is in places at a distance (A) from a marginal surface (3a) of the photoresist (3) which faces towards the semiconductor chip (2), wherein the marginal surface (3a) facing towards the semiconductor chip (2) isType: GrantFiled: September 24, 2015Date of Patent: February 13, 2018Assignees: OSRAM Opto Semiconductors GmbH, OSRAM GmbHInventors: Bernd Boehm, Daniel Zaspel, Stefan Hartauer, Bjoern Hoxhold
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Patent number: 9876155Abstract: An optoelectronic component includes a composite body including a molded body; and an optoelectronic semiconductor chip embedded into the molded body, wherein the optoelectronic semiconductor chip includes a first electrical contact on its top side, a first top side metallization is arranged on the top side of the composite body and electrically conductively connects the first electrical contact to the through contact, a second top side metallization is arranged on the top side of the composite body and electrically insulated with respect to the first top side metallization, the second top side metallization completely delimits a part of the top side of the optoelectronic semiconductor chip, and a wavelength-converting material is arranged in a region completely delimited by the second top side metallization on the top side of the composite body, the wavelength-converting material extending as far as the second top side metallization.Type: GrantFiled: November 3, 2015Date of Patent: January 23, 2018Assignee: OSRAM Opto Semiconductors GmbHInventors: Frank Singer, Jürgen Moosburger, Matthias Sabathil, Matthias Sperl, Björn Hoxhold
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Publication number: 20170331018Abstract: An optoelectronic component includes a composite body including a molded body; and an optoelectronic semiconductor chip embedded into the molded body, wherein the optoelectronic semiconductor chip includes a first electrical contact on its top side, a first top side metallization is arranged on the top side of the composite body and electrically conductively connects the first electrical contact to the through contact, a second top side metallization is arranged on the top side of the composite body and electrically insulated with respect to the first top side metallization, the second top side metallization completely delimits a part of the top side of the optoelectronic semiconductor chip, and a wavelength-converting material is arranged in a region completely delimited by the second top side metallization on the top side of the composite body, the wavelength-converting material extending as far as the second top side metallization.Type: ApplicationFiled: November 3, 2015Publication date: November 16, 2017Applicant: OSRAM Opto Semiconductors GmbHInventors: Frank Singer, Jürgen Moosburger, Matthias Sabathil, Matthias Sperl, Björn Hoxhold
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Publication number: 20170323872Abstract: An optoelectronic component includes a composite body including a molded body; and an optoelectronic semiconductor chip embedded into the molded body, wherein an electrically conductive through contact extends from a top side of the composite body to an underside of the composite body through the molded body, a top side of the optoelectronic semiconductor chip is at least partly not covered by the molded body, the chip includes a first electrical contact on its top side, a first top side metallization is arranged on the top side of the composite body and electrically conductively connects the first electrical contact to the through contact, the optoelectronic component includes an upper insulation layer extending over the first top side metallization, and the optoelectronic component includes a second top side metallization arranged above the upper insulation layer and electrically insulated with respect to the first top side metallization by the upper insulation layer.Type: ApplicationFiled: November 3, 2015Publication date: November 9, 2017Inventors: Frank Singer, Jürgen Moosburger, Matthias Sabathil, Matthias Sperl, Björn Hoxhold
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Publication number: 20170317245Abstract: A method of applying a first material to a surface in a plurality of mutually separate coating regions includes: A) providing the surface containing the coating regions; B) producing a first masking layer on the surface by a photolithographic process, wherein the first masking layer includes a plurality of first openings arranged above the coating regions; C) providing a self-supporting second masking layer and then applying the second masking layer to the first masking layer, wherein the second masking layer includes a plurality of second openings arranged above the first openings and having a size less than or equal to a size of the first openings; and D) applying the first material to the surface in the coating regions through the first and second openings in the first and second masking layers.Type: ApplicationFiled: October 16, 2015Publication date: November 2, 2017Inventors: Björn Hoxhold, Matthias Kiessling, Matthias Sperl
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Publication number: 20170288091Abstract: The invention provides an optoelectronic semiconductor component and a method for producing an optoelectronic semiconductor component (10), comprising the following steps: •A) arranging at least one semiconductor chip (2) on a carrier (1), •B) applying an electrically insulating photoresist (3) to a top side (1a) of the carrier (1) and to the semiconductor chip (2), •C) curing the photoresist (3) with a baking step, •D) patterning the photoresist (3) by exposure, •F) developing the photoresist (3), wherein the photoresist (3) is removed at least from a radiation penetration surface (2b) of the semiconductor chip (2), •G) again curing the photoresist (3) with a baking step, and •H) applying an electrically conductive contact layer (4) to the photoresist (3), wherein the electrically conductive contact layer (4) is in places at a distance (A) from a marginal surface (3a) of the photoresist (3) which faces towards the semiconductor chip (2), wherein the marginal surface (3a) facing towards the semiconductor chipType: ApplicationFiled: September 24, 2015Publication date: October 5, 2017Inventors: Bernd BOEHM, Daniel ZASPEL, Stefan HARTAUER, Bjoern HOXHOLD
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Publication number: 20160163939Abstract: An optoelectronic semiconductor chip includes a carrier, a semiconductor body having an active region that generates and/or receives radiation, and an insulation layer wherein the semiconductor body is fastened on the carrier with a connecting layer; the carrier extends in a vertical direction between a first main surface facing toward the semiconductor body, and a second main surface facing away from the semiconductor body, and a lateral surface connects the first main surface and the second main surface to one another; a first region of the lateral surface of the carrier has an indentation; a second region of the lateral surface runs in the vertical direction between the indentation and the second main surface; the insulation layer at least partially covers each of the semiconductor body and the first region; and the second region is free of the insulation layer.Type: ApplicationFiled: July 17, 2014Publication date: June 9, 2016Inventors: Ralph Wagner, Thomas Veit, Björn Hoxhold, Philipp Schlosser
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Patent number: 9301396Abstract: A connecting element can be used for a multi-chip module. The connecting element is provided for establishing an electrical connection between two elements and has a carrier and a first electrically conductive connecting structure on a first main surface of the carrier. The first connecting structure is designed in such a way that the first connecting structure connects the first and second elements to each other. A multi-chip module can have such a connecting element and two elements, wherein the two elements are electrically connected to each other in a wireless manner by the connecting element.Type: GrantFiled: August 3, 2012Date of Patent: March 29, 2016Assignee: OSRAM GmbHInventors: Holger Hübner, Björn Hoxhold, Axel Kaltenbacher
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Publication number: 20140291003Abstract: A connecting element can be used for a multi-chip module. The connecting element is provided for establishing an electrical connection between two elements and has a carrier and a first electrically conductive connecting structure on a first main surface of the carrier. The first connecting structure is designed in such a way that the first connecting structure connects the first and second elements to each other. A multi-chip module can have such a connecting element and two elements, wherein the two elements are electrically connected to each other in a wireless manner by the connecting element.Type: ApplicationFiled: August 3, 2012Publication date: October 2, 2014Applicant: OSRAM GMBHInventors: Holger Hübner, Björn Hoxhold, Axel Kaltenbacher