Patents by Inventor Karl Engl

Karl Engl 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).

  • 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
  • Patent number: 9577165
    Abstract: A light emitting diode chip includes a semiconductor layer sequence having an active layer that generates electromagnetic radiation, wherein the light emitting diode chip has a radiation exit area at a front side, the light emitting diode chip has a mirror layer at least in regions at a rear side situated opposite the radiation exit area, said mirror layer containing silver, a protective layer is arranged on the mirror layer, and the protective layer comprises a transparent conductive oxide.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: February 21, 2017
    Assignee: OSRAM Opto Semiconductor GmbH
    Inventors: Korbinian Perzlmaier, Kai Gehrke, Robert Walter, Karl Engl, Guido Weiss, Markus Maute, Stefanie Rammelsberger
  • Patent number: 9570662
    Abstract: A method of encapsulating an optoelectronic device includes providing a surface intended to be encapsulated, the surface containing platinum, generating reactive oxygen groups and/or reactive hydroxyl groups on the surface, and depositing a passivation layer by atomic layer deposition on the surface.
    Type: Grant
    Filed: July 10, 2012
    Date of Patent: February 14, 2017
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Sebastian Taeger, Michael Huber, Martin Welzel, Karl Engl
  • Publication number: 20160300829
    Abstract: Described is an optoelectronic semiconductor chip (1) with a built-in bridging element (9, 9A) for overvoltage protection.
    Type: Application
    Filed: November 7, 2014
    Publication date: October 13, 2016
    Inventors: Christian LEIRER, Berthold HAHN, Karl ENGL, Johannes BAUR, Siegfried HERRMANN, Andreas PLOESSL, Simeon KATZ, Tobias MEYER, Lorenzo ZINI, Markus MAUTE
  • Publication number: 20160260870
    Abstract: An optoelectronic semiconductor chip is disclosed. In an embodiment the optoelectronic semiconductor chip includes a semiconductor body of semiconductor material, a p-contact layer and an n-contact layer. The semiconductor body includes an active layer intended for generating radiation. The semiconductor body includes a p-side and an n-side, between which the active layer is arranged. The p-contact layer is intended for electrical contacting the p-side. The n-contact layer is intended for electrical contacting the n-side 1b. The n-contact layer contains a TCO layer and a mirror layer, the TCO-layer being arranged between the n-side of the semiconductor body and the mirror layer.
    Type: Application
    Filed: May 17, 2016
    Publication date: September 8, 2016
    Inventors: Markus Maute, Karl Engl, Sebastian Taeger, Robert Walter, Johannes Stocker
  • Publication number: 20160225749
    Abstract: An optoelectronic semiconductor chip includes a semiconductor layer sequence. The semiconductor layer sequence includes a first semiconductor region of a first conductivity type, a second semiconductor region of a second conductivity type, and an active zone having a p-n junction, which active zone is formed between the first semiconductor region and the second semiconductor region. The semiconductor layer sequence is arranged on a carrier. The semiconductor chip also includes a first contact, which is provided for electrically connecting the first semiconductor region, and a second contact, which is different from the first contact and which is provided for electrically connecting the second semiconductor region. In addition, the semiconductor chip includes a first capacitive electrical element, which is connected in parallel with the p-n junction and which has a first dielectric element.
    Type: Application
    Filed: September 10, 2014
    Publication date: August 4, 2016
    Inventors: Christian Leirer, Berthold Hahn, Roland Zeisel, Johannes Baur, Karl Engl
  • Publication number: 20160225943
    Abstract: An optoelectronic semiconductor chip has a semiconductor body and a substrate on which the semiconductor body is disposed. The semiconductor body has an active region disposed between a first semiconductor layer of a first conductor type and a second semiconductor layer of a second conductor type. The first semiconductor layer is disposed on the side of the active region facing the substrate. The first semiconductor layer is electrically conductively connected to a first termination layer that is disposed between the substrate and the semiconductor body. An encapsulation layer is disposed between the first termination layer and the substrate and, in plan view of the semiconductor chip, projects at least in some regions over a side face which delimits the semiconductor body.
    Type: Application
    Filed: April 14, 2016
    Publication date: August 4, 2016
    Inventors: KARL ENGL, MARKUS MAUTE, STEFANIE RAMMELSBERGER, ANNA KASPRZAK-ZABLOCKA
  • Publication number: 20160225952
    Abstract: An optoelectronic semiconductor chip includes a semiconductor layer sequence having an active layer that generates radiation and at least one n-doped layer adjoining the active layer, the semiconductor layer sequence is based on AlInGaN or on InGaN, one or a plurality of central layers composed of AlGaN each having thicknesses of 25 nm to 200 nm are grown at a side of the n-doped layer facing away from a carrier substrate, a coalescence layer of doped or undoped GaN having a thickness of 300 nm to 1.2 ?m is formed at a side of the central layer or one of the central layers facing away from the carrier substrate, a roughening extends from the coalescence layer as far as or into the n-doped layer, a radiation exit area of the semiconductor layer stack is formed partly by the coalescence layer, and the central layer is exposed in places.
    Type: Application
    Filed: April 14, 2016
    Publication date: August 4, 2016
    Inventors: Joachim Hertkorn, Karl Engl, Berthold Hahn, Andreas Weimar
  • Patent number: 9373765
    Abstract: An optoelectronic semiconductor chip includes a semiconductor body of semiconductor material, a p-contact layer and an n-contact layer. The semiconductor body includes an active layer intended for generating radiation. The semiconductor body includes a p-side and an n-side, between which the active layer is arranged. The p-contact layer is intended for electrical contacting the p-side. The n-contact layer is intended for electrical contacting the n-side 1b. The n-contact layer contains a TCO layer and a mirror layer, the TCO-layer being arranged between the n-side of the semiconductor body and the mirror layer.
    Type: Grant
    Filed: April 26, 2012
    Date of Patent: June 21, 2016
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Markus Maute, Karl Engl, Sebastian Taeger, Robert Walter, Johannes Stocker
  • Patent number: 9373747
    Abstract: A method for producing an optoelectronic component is provided. A transfer layer, containing InxGa1-xN with 0<x<1, is grown onto a growth substrate. Subsequently, ions are implanted into the transfer layer to form a separation zone, a carrier substrate is applied, and the transfer layer is separated by way of heat treatment. A further transfer layer, containing InyGa1-yN with 0<y?1 and y>x, is grown onto the previously grown transfer layer, ions are implanted into the further transfer layer to form a separation zone, a further carrier substrate is applied, and the further transfer layer is separated by way of heat treatment. Subsequently, a semiconductor layer sequence, containing an active layer, is grown onto the surface of the further transfer layer facing away from the further carrier substrate.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: June 21, 2016
    Assignee: Osram Opto Semiconductors GmbH
    Inventors: Joachim Hertkorn, Tetsuya Taki, Karl Engl, Johannes Baur, Berthold Hahn, Volker Haerle, Ann-Kathrin Haerle, Jakob Johannes Haerle, Johanna Magdalena Haerle
  • Publication number: 20160172545
    Abstract: An optoelectronic semi-conductor chip is disclosed in which an encapsulation layer, which is an ALD layer, completely covers a first mirror layer on the side thereof facing away from a p-conductive region, and is arranged to be in direct contact with said first mirror layer in some sections.
    Type: Application
    Filed: June 25, 2014
    Publication date: June 16, 2016
    Inventors: Karl Engl, Georg Hartung, Johann Eibl, Michael Huber, Markus Maute
  • Patent number: 9343615
    Abstract: A method of producing an optoelectronic semiconductor chip includes providing a growth substrate, producing a III nitride nucleation layer on the growth substrate by sputtering, wherein a material of the growth substrate differs from a material of the nucleation layer, and growing a III nitride semiconductor layer sequence having an active layer onto the nucleation layer.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: May 17, 2016
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Joachim Hertkorn, Karl Engl, Berthold Hahn, Andreas Weimar
  • Patent number: 9343637
    Abstract: An optoelectronic semiconductor chip has a semiconductor body and a substrate on which the semiconductor body is disposed. The semiconductor body has an active region disposed between a first semiconductor layer of a first conductor type and a second semiconductor layer of a second conductor type. The first semiconductor layer is disposed on the side of the active region facing the substrate. The first semiconductor layer is electrically conductively connected to a first termination layer that is disposed between the substrate and the semiconductor body. An encapsulation layer is disposed between the first termination layer and the substrate and, in plan view of the semiconductor chip, projects at least in some regions over a side face which delimits the semiconductor body.
    Type: Grant
    Filed: February 7, 2012
    Date of Patent: May 17, 2016
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Karl Engl, Markus Maute, Stefanie Rammelsberger, Anna Kasprzak-Zablocka
  • Publication number: 20160027972
    Abstract: A method of encapsulating an optoelectronic device includes providing a surface intended to be encapsulated, the surface containing platinum, generating reactive oxygen groups and/or reactive hydroxyl groups on the surface, and depositing a passivation layer by atomic layer deposition on the surface.
    Type: Application
    Filed: July 10, 2012
    Publication date: January 28, 2016
    Applicant: OSRAM Opto Semiconductors GmbH
    Inventors: Sebastian TAEGER, Michael HUBER, Martin WELZEL, Karl ENGL
  • Publication number: 20160005930
    Abstract: An optoelectronic semiconductor chip includes a semiconductor body including n-conducting and p-conducting regions, an active region generating electromagnetic radiation, a mirror layer reflecting the electromagnetic radiation, and an encapsulating layer sequence formed with an insulating material, wherein the mirror layer is arranged at an underside of the p-conducting region, the active region is arranged at a side of the p-conducting region facing away from the mirror layer, the n-conducting region is arranged at a side of the active region facing away from the p-conducting region, the encapsulation layer sequence covers the semiconductor body at the outer surface thereof in places, the encapsulation layer sequence extends at the outer surface of the semiconductor body from the active region along the p-conducting region as far as below the mirror layer, and the encapsulation layer sequence includes at least one encapsulation layer which is an ALD layer or consists of an ALD layer.
    Type: Application
    Filed: March 14, 2014
    Publication date: January 7, 2016
    Applicant: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Karl Engl, Georg Hartung, Markus Maute
  • Publication number: 20150372203
    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: Application
    Filed: January 14, 2014
    Publication date: December 24, 2015
    Inventors: Johann Eibl, Sebastian Taeger, Lutz Höppel, Karl Engl, Stefanie Rammelsberger, Markus Maute, Michael Huber, Rainer Hartmann, Georg Hartung
  • Patent number: 9174400
    Abstract: A method for producing structures (5) on a multiplicity of optoelectronic components (1), wherein the multiplicity of optoelectronic components (1) are arranged on an auxiliary carrier (10) and the structures (5) are produced by carrying out a movement of a first roller (15) relative to the auxiliary carrier (10) and producing the structures (5) in the process by means of exerting a pressure between the first roller (15) and the auxiliary carrier (10).
    Type: Grant
    Filed: February 15, 2007
    Date of Patent: November 3, 2015
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Karl Engl, Berthold Hahn, Volker Härle
  • Publication number: 20150287883
    Abstract: A composite substrate has a carrier and a utility layer. The utility layer is attached to the carrier by means of a dielectric bonding layer and the carrier contains a radiation conversion material. Other embodiments relate to a semiconductor chip having such a composite substrate, a method for producing a composite substrate and a method for producing a semiconductor chip with a composite substrate.
    Type: Application
    Filed: June 15, 2015
    Publication date: October 8, 2015
    Inventors: Johannes Baur, Berthold Hahn, Volker Haerle, Karl Engl, Joachim Hertkorn, Tetsuya Taki
  • Patent number: 9123528
    Abstract: A composite substrate has a carrier and a utility layer. The utility layer is attached to the carrier by means of a dielectric bonding layer and the carrier contains a radiation conversion material. Other embodiments relate to a semiconductor chip having such a composite substrate, a method for producing a composite substrate and a method for producing a semiconductor chip with a composite substrate.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: September 1, 2015
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Johannes Baur, Berthold Hahn, Karl Engl, Ann-Kathrin Haerle, Jakob Johannes Haerle, Johanna Magdalena Haerle, Joachim Hertkorn, Tetsuya Taki
  • Publication number: 20150236070
    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: Application
    Filed: May 4, 2015
    Publication date: August 20, 2015
    Inventors: Jürgen Moosburger, Norwin von Malm, Patrick Rode, Lutz Höppel, Karl Engl