Patents by Inventor Lutz Hoppel

Lutz Hoppel 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).

  • Publication number: 20190006562
    Abstract: An optoelectronic semiconductor component includes a light-emitting semiconductor body having a radiation side, a current expansion layer arranged on the radiation side of the semiconductor body and at least partially covers this side, wherein the current expansion layer includes an electrically-conductive material transparent to the light radiated by the semiconductor body, and particles of a further material, and an electrical contact arranged on a side of the current expansion layer facing away from the semiconductor body.
    Type: Application
    Filed: July 11, 2016
    Publication date: January 3, 2019
    Inventors: Johannes Baur, Jurgen Moosburger, Lutz Hoppel, Markus Maute, Thomas Schwarz, Matthias Sabathil, Ralph Wirth, Alexander Linkov
  • Patent number: 10115868
    Abstract: An optoelectronic semiconductor chip includes a carrier and a semiconductor body having an active layer that generates electromagnetic radiation, wherein the semiconductor body is arranged on the carrier, the semiconductor body has a first main surface facing away from the carrier and a second main surface facing the carrier, the semiconductor chip has a side surface having an anchoring structure, and the second main surface is arranged between the first main surface and the anchoring structure.
    Type: Grant
    Filed: July 23, 2014
    Date of Patent: October 30, 2018
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Jürgen Moosburger, Lutz Höppel
  • Publication number: 20180269364
    Abstract: A method of producing a plurality of optoelectronic semiconductor components includes a) preparing a composite with a semiconductor layer sequence, wherein the composite includes a plurality of component areas mechanically connected to one another; b) forming a plurality of connecting surfaces on the semiconductor layer sequence, wherein at least one connecting surface is formed on each component area; c) forming a molding compound on the semiconductor layer sequence, wherein the molding compound fills interstices between the connecting surfaces; and d) singulating the composite with the molding compound, wherein during singulation a plurality of molded bodies is formed from the molding compound, each of which is associated with a semiconductor body obtained from a component area of the composite.
    Type: Application
    Filed: January 13, 2016
    Publication date: September 20, 2018
    Inventor: Lutz Höppel
  • Publication number: 20180254386
    Abstract: An optoelectronic semiconductor component includes an active layer arranged between a p-type semiconductor region and an n-type semiconductor region, a carrier including a plastic and a first via and a second via, a p-contact layer and an n-contact layer arranged between the carrier and a semiconductor body at least in some regions, wherein the p-contact layer electrically joins the first via and the p-type semiconductor region, and the n-contact layer electrically joins the second via and the n-type semiconductor region, a metallic reinforcing layer arranged at least in some regions between the n-contact layer and the carrier, wherein the metallic reinforcing layer is at least 5 ?m thick, and at least one p-contact feed-through arranged between the first via and the p-contact layer, wherein the p-contact feed-through is at least 5 ?m thick and surrounded in a lateral direction by the reinforcing layer at least in some regions.
    Type: Application
    Filed: August 22, 2016
    Publication date: September 6, 2018
    Inventors: Korbinian Perzlmaier, Anna Kasprzak-Zablocka, Lutz Höppel, Christian Leirer
  • Publication number: 20180219135
    Abstract: A component having a metal carrier and a method for producing a component are disclosed. In an embodiment the component includes a carrier having a metallic carrier layer, an insulating layer and a first through-contact extending in a vertical direction throughout the carrier layer, wherein the through-contact is electrically isolated from the carrier layer via the insulating layer. The component further includes a semiconductor body and a wiring structure arranged in the vertical direction between the carrier and the semiconductor body at least places and electrically contacting the semiconductor body, wherein the wiring structure has a first connection area and a second connection area, wherein the connection areas adjoin the carrier and are assigned to different electrical polarities of the component, wherein the first through-contact is in electrical contact with one of the connection areas, and wherein the component is configured to be externally electrically connectable via the carrier.
    Type: Application
    Filed: July 14, 2016
    Publication date: August 2, 2018
    Inventors: Christian Leirer, Thomas Schwarz, Lutz Höppel
  • Publication number: 20180182926
    Abstract: A component includes a carrier and a semiconductor body arranged on the carrier, wherein the semiconductor body has an active layer arranged between the first and second semiconductor layers and is configured to generate, during operation of the component, an electromagnetic radiation that can be coupled out from the component through a first main surface, the first main surface of the component has an electrical contact layer configured to electrically contact a first semiconductor layer and in a plan view the carrier covers the first main surface in places, and in direct vicinity of the electrical contact layer the component includes a shielding structure configured to prevent electromagnetic radiation generated by the active layer from impinging onto the contact layer.
    Type: Application
    Filed: July 12, 2016
    Publication date: June 28, 2018
    Inventors: Markus Maute, Lutz Höppel, Jürgen Moosburger, Thomas Schwarz, Matthias Sabathil, Ralph Wirth, Alexander Linkov, Johannes Baur
  • Patent number: 10008639
    Abstract: A method for producing optoelectronic semiconductor components (100) is specified, wherein a carrier (1) having a carrier main side (11) is provided. Furthermore, a plurality of singulated optoelectronic semiconductor chips (2) are provided, wherein the semiconductor chips (2) each have a main emission side (21) and a contact side (22) opposite the main emission side (21). The singulated semiconductor chips (2) are then applied to the carrier main side (11), such that the contact side (22) in each case faces the carrier main side (11). In regions between the semiconductor chips, a mask frame (3) is applied, wherein the mask frame (3) is a grid of partitions (31). In a plan view of the carrier main side (11), each semiconductor chip (2) is surrounded all around by the partitions (31). The semiconductor chips (2) are potted with a conversion material (4) such that a conversion element (41) is respectively formed on the semiconductor chips (2).
    Type: Grant
    Filed: February 20, 2015
    Date of Patent: June 26, 2018
    Assignee: OSRAM OPTO SEMICONDUCTOR GMBH
    Inventors: Britta Göötz, Frank Singer, Lutz Höppel, Jürgen Moosburger
  • Patent number: 9806223
    Abstract: A method for producing an optoelectronic semiconductor chip based on a nitride semiconductor system is specified. The method comprises the steps of: forming a semiconductor section with at least one p-doped region; and forming a covering layer disposed downstream of the semiconductor section in a growth direction of the semiconductor chip, said covering layer having at least one n-doped semiconductor layer. An activation step suitable for electrically activating the p-doped region is effected before or during the formation of the covering layer. An optoelectronic semiconductor chip which can be produced by the method is additionally specified.
    Type: Grant
    Filed: January 6, 2011
    Date of Patent: October 31, 2017
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Magnus Ahlstedt, Lutz Höppel, Matthias Peter, Matthias Sabathil, Uwe Strauss, Martin Strassburg
  • Patent number: 9761770
    Abstract: An optoelectronic semiconductor chip includes a semiconductor body with an active region provided for generating electromagnetic radiation, a first mirror layer provided for reflecting the electromagnetic radiation, a first encapsulation layer formed with an electrically insulating material, and a carrier provided for mechanically supporting the first encapsulation layer, the first mirror layer and the semiconductor body. The first mirror layer is arranged between the carrier and the semiconductor body. The first encapsulation layer is arranged between the carrier and the first mirror layer. The first encapsulation layer is an ALD layer.
    Type: Grant
    Filed: January 14, 2014
    Date of Patent: September 12, 2017
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Johann Eibl, Sebastian Taeger, Lutz Höppel, Karl Engl, Stefanie Rammelsberger, Markus Maute, Michael Huber, Rainer Hartmann, Georg Hartung
  • Publication number: 20170221869
    Abstract: A method of producing an optoelectronic component includes providing an optoelectronic semiconductor chip having a first surface on which a first electrical contact and a second electrical contact are arranged; arranging a protection diode on the first contact and the second contact; galvanically growing a first pin on the first electrical contact and a second pin on the second electrical contact; and embedding the first pin, the second pin, and the protection diode in a molded body.
    Type: Application
    Filed: April 11, 2017
    Publication date: August 3, 2017
    Inventors: Jürgen Moosburger, Lutz Höppel, Norwin von Malm
  • Patent number: 9653440
    Abstract: An optoelectronic component includes an optoelectronic semiconductor chip having a first surface on which a first electrical contact and a second electrical contact are arranged, wherein the first surface adjoins a molded body, a first pin and a second pin are embedded in the molded body and electrically conductively connect to the first contact and the second contact, and a protection diode is embedded in the molded body and electrically conductively connect to the first contact and the second contact.
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: May 16, 2017
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Jürgen Moosburger, Lutz Höppel, Norwin von Malm
  • Patent number: 9627588
    Abstract: A method for producing an optoelectronic semiconductor chip is specified, comprising the following steps: providing an n-conducting layer (2), arranging a p-conducting layer (4) on the n-conducting layer (2), arranging a metal layer sequence (5) on the p-conducting layer (4), arranging a mask (6) at that side of the metal layer sequence (5) which is remote from the p-conducting layer (4), in places removing the metal layer sequence (5) and uncovering the p-conducting layer (4) using the mask (6), and in places neutralizing or removing the uncovered regions (4a) of the p-conducting layer (4) as far as the n-conducting layer (2) using the mask (6), wherein the metal layer sequence (5) comprises at least one mirror layer (51) and a barrier layer (52), and the mirror layer (51) of the metal layer sequence (5) faces the p-conducting layer (4).
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: April 18, 2017
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Lutz Höppel, Norwin Von Malm
  • Patent number: 9601663
    Abstract: A light-emitting diode chip includes a semiconductor body including a radiation-generating active region, at least two contact locations electrically contacting the active region, a carrier and a connecting medium arranged between the carrier and the semiconductor body, wherein the semiconductor body includes roughening on outer surfaces facing the carrier, the semiconductor body mechanically connects to the carrier by the connecting medium, the connecting medium locally directly contacts the semiconductor body and the carrier, and the at least two contact locations are arranged on the upper side of the semiconductor body facing away from the carrier.
    Type: Grant
    Filed: August 17, 2011
    Date of Patent: March 21, 2017
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Lutz Höppel, Norwin von Malm, Matthias Sabathil
  • Publication number: 20170069800
    Abstract: A method for producing optoelectronic semiconductor components (100) is specified, wherein a carrier (1) having a carrier main side (11) is provided. Furthermore, a plurality of singulated optoelectronic semiconductor chips (2) are provided, wherein the semiconductor chips (2) each have a main emission side (21) and a contact side (22) opposite the main emission side (21). The singulated semiconductor chips (2) are then applied to the carrier main side (11), such that the contact side (22) in each case faces the carrier main side (11). In regions between the semiconductor chips, a mask frame (3) is applied, wherein the mask frame (3) is a grid of partitions (31). In a plan view of the carrier main side (11), each semiconductor chip (2) is surrounded all around by the partitions (31). The semiconductor chips (2) are potted with a conversion material (4) such that a conversion element is respectively formed on the semiconductor chips (2).
    Type: Application
    Filed: February 20, 2015
    Publication date: March 9, 2017
    Inventors: Britta Göötz, Frank Singer, Lutz Höppel, Jürgen Moosburger
  • Patent number: 9590008
    Abstract: A radiation-emitting semiconductor chip includes a carrier and a semiconductor body having a semiconductor layer sequence, wherein an emission region and a protective diode region are formed in the semiconductor body having the semiconductor layer sequence; the semiconductor layer sequence includes an active region that generates radiation and is arranged between a first semiconductor layer and a second semiconductor layer; the first semiconductor layer is arranged on a side of the active region facing away from the carrier; the emission region has a recess extending through the active region; the first semiconductor layer, in the emission region, electrically conductively connects to a first connection layer, wherein the first connection layer extends in the recess from the first semiconductor layer toward the carrier; the second semiconductor layer, in the emission region, electrically conductively connects to a second connection layer.
    Type: Grant
    Filed: May 4, 2015
    Date of Patent: March 7, 2017
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Jürgen Moosburger, Norwin von Malm, Patrick Rode, Lutz Höppel, Karl Engl
  • Publication number: 20160225957
    Abstract: A method for producing an optoelectronic semiconductor chip is specified, comprising the following steps: providing an n-conducting layer (2), arranging a p-conducting layer (4) on the n-conducting layer (2), arranging a metal layer sequence (5) on the p-conducting layer (4),arranging a mask (6) at that side of the metal layer sequence (5) which is remote from the p-conducting layer (4),in places removing the metal layer sequence (5) and uncovering the p-conducting layer (4) using the mask (6), and in places neutralizing or removing the uncovered regions (4a) of the p-conducting layer (4) as far as the n-conducting layer (2) using the mask (6), wherein the metal layer sequence (5) comprises at least one mirror layer (51) and a barrier layer (52), and the mirror layer (51) of the metal layer sequence (5) faces the p-conducting layer (4).
    Type: Application
    Filed: February 8, 2016
    Publication date: August 4, 2016
    Inventors: Lutz HÖPPEL, Norwin VON MALM
  • Publication number: 20160218261
    Abstract: An optoelectronic semiconductor component includes an optoelectronic semiconductor chip including a light-transmissive carrier, a semiconductor layer sequence on the light-transmissive carrier and electrical connection points on a bottom portion remote from the light-transmissive carrier of the semiconductor layer sequence, a light-transmissive encapsulating material enclosing the optoelectronic semiconductor chip in places, and particles of a light-scattering and/or light-reflecting material, wherein the bottom of the semiconductor layer sequence is at least in places free of the light-transmissive encapsulating material, and the particles cover the bottom of the semiconductor layer sequence and an outer face of the encapsulating material in places.
    Type: Application
    Filed: August 25, 2014
    Publication date: July 28, 2016
    Inventors: Jürgen Moosburger, Ion Stoll, Thomas Schwarz, Frank Singer, Georg Dirscherl, Lutz Höppel
  • Publication number: 20160172546
    Abstract: An optoelectronic semiconductor chip includes a carrier and a semiconductor body having an active layer that generates electromagnetic radiation, wherein the semiconductor body is arranged on the carrier, the semiconductor body has a first main surface facing away from the carrier and a second main surface facing the carrier, the semiconductor chip has a side surface having an anchoring structure, and the second main surface is arranged between the first main surface and the anchoring structure.
    Type: Application
    Filed: July 23, 2014
    Publication date: June 16, 2016
    Inventors: Jürgen Moosburger, Lutz Höppel
  • Patent number: 9299897
    Abstract: An optoelectronic semiconductor chip is disclosed. The optoelectronic semiconductor chip includes a semiconductor layer sequence having an active zone suitable for emitting radiation, a carrier substrate, and a mirror layer, the mirror layer being arranged between the semiconductor layer sequence and the carrier substrate, wherein the semiconductor layer sequence is subdivided into a plurality of active regions arranged alongside one another, wherein the plurality of active regions are separated from one another in each case by a trench in the semiconductor layer sequence, wherein the trench in each case severs the semiconductor layer sequence and the mirror layer, wherein the mirror layer has side surfaces facing a trench and side surfaces facing an outer side of the semiconductor chip, wherein the side surfaces of the mirror layer that face an outer side of the semiconductor chip have a metallic encapsulation layer.
    Type: Grant
    Filed: September 19, 2013
    Date of Patent: March 29, 2016
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Lutz Höppel, Alexander F. Pfeuffer
  • Patent number: 9293661
    Abstract: A support for an optoelectronic semiconductor chip includes a support body with a first main face and a second main face opposite the first main face, at least one electrical plated-through hole extending from the first main face to the second main face and formed in the support body, and an insulating layer arranged on the first main face, the insulation layer covering the electrical plated-through hole only in regions.
    Type: Grant
    Filed: December 5, 2011
    Date of Patent: March 22, 2016
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventor: Lutz Höppel