Patents by Inventor Matthias Sabathil

Matthias Sabathil 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: 8965148
    Abstract: An optoelectronic component (1) comprises a carrier (2) and at least one semiconductor chip (3). The semiconductor chip (3) is arranged on the carrier (2) and designed for emitting a primary radiation (6). The semiconductor chip (3) is at least partly enclosed by an at least partly transparent medium (7) having a height (8) above the carrier (2) and a width (9) along the carrier (2). Particles (10, 11) are introduced into the medium (7) and interact with the primary radiation (6). The medium (7) has a ratio of the height (8) to the width (9) of greater than 1.
    Type: Grant
    Filed: March 28, 2011
    Date of Patent: February 24, 2015
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Stefan Illek, Alexander Linkov, Matthias Sabathil
  • Publication number: 20150048400
    Abstract: A method of producing an optoelectronic semiconductor chip includes growing an optoelectronic semiconductor layer sequence on a growth substrate, forming an electrically insulating layer on a side of the optoelectronic semiconductor layer sequence facing away from the growth substrate by depositing particles of an electrically insulating material by an aerosol deposition method, and at least partly removing the growth substrate after forming the electrically insulating layer.
    Type: Application
    Filed: February 14, 2013
    Publication date: February 19, 2015
    Inventors: Britta Göötz, Jürgen Moosburger, Andreas Plössl, Matthias Sabathil
  • Patent number: 8928052
    Abstract: An optoelectronic semiconductor chip has a semiconductor layer sequence having an active layer that generates radiation between a layer of a first conductivity type and a layer of a second conductivity type. The layer of the first conductivity type is adjacent to a front side of the semiconductor layer sequence. The semiconductor layer sequence contains at least one cutout extending from a rear side, lying opposite the front side, of the semiconductor layer sequence through the active layer to the layer of the first conductivity type. The layer of the first conductivity type is electrically connected through the cutout by means of a first electrical connection layer which covers the rear side of the semiconductor layer sequence at least in places.
    Type: Grant
    Filed: March 13, 2009
    Date of Patent: January 6, 2015
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Karl Engl, Lutz Hoeppel, Patrick Rode, Matthias Sabathil
  • Patent number: 8908733
    Abstract: In at least one embodiment of the optoelectronic semiconductor chip (1), the latter is based on a nitride material system and comprises at least one active quantum well (2). The at least one active quantum well (2) is designed to generate electromagnetic radiation when in operation. Furthermore, the at least one active quantum well (2) comprises N successive zones (A) in a direction parallel to a growth direction z of the semiconductor chip (1), N being a natural number greater than or equal to 2. At least two of the zones (A) of the active quantum well (2) have mutually different average indium contents c. Furthermore the at least one active quantum well (2) fulfills the condition: 40??c(z)dz?2.5N?1.5?dz?80.
    Type: Grant
    Filed: March 10, 2010
    Date of Patent: December 9, 2014
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Adrian Avramescu, Désirée Queren, Christoph Eichler, Matthias Sabathil, Stephan Lutgen, Uwe Strauss
  • Publication number: 20140286369
    Abstract: An optoelectronic device having an active layer that includes a multiplicity of structural elements spaced apart from one another laterally, wherein the structural elements each have a quantum well structure including at least one barrier layer composed of Inx1Aly1Ga1-x1-y1N, wherein 0?x1?1, 0?y1?1 and x1+y1?1, and at least one quantum well layer composed of Inx2Aly2Ga1-x2-y2N, wherein 0?x2?1, 0?y2?1 and x2+y2?1.
    Type: Application
    Filed: August 30, 2012
    Publication date: September 25, 2014
    Applicant: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Simeon Katz, Bastian Galler, Martin Strassburg, Matthias Sabathil, Philipp Drechsel, Werner Bergbauer, Martin Mandl
  • Patent number: 8841685
    Abstract: A description is given of an optoelectronic semiconductor chip (1) comprising a semiconductor layer sequence (2), which has an active zone (4) for generating electromagnetic radiation, and comprising a structured current spreading layer (6), which contains a transparent conductive oxide and is arranged on a main area (12) of the semiconductor layer sequence (2), wherein the current spreading layer (6) covers at least 30% and at most 60% of the main area (12).
    Type: Grant
    Filed: June 29, 2009
    Date of Patent: September 23, 2014
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Lutz Hoeppel, Matthias Sabathil
  • Patent number: 8816353
    Abstract: In at least one embodiment of the optoelectronic semiconductor chip (1), the latter comprises a semiconductor layer sequence (2) comprising at least one active layer (3) designed for generating an electromagnetic radiation. Furthermore, the optoelectronic semiconductor chip (1) has coupling-out structures (4), which are fitted at least indirectly on a radiation passage area (20) of the semiconductor layer sequence (2). In this case, a material of the coupling-out structures (4) is different than a material of the semiconductor layer sequence (2). The refractive indices of the materials of the coupling-out structures (4) and of the semiconductor layer sequence (2) deviate from one another by at most 30%. Furthermore, facets (40) of the coupling-out structures (4) have a total area amounting to at least 30% of an area content of the radiation passage area (20).
    Type: Grant
    Filed: November 2, 2009
    Date of Patent: August 26, 2014
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Nikolaus Gmeinwieser, Matthias Sabathil, Andreas Leber
  • Publication number: 20140225149
    Abstract: An optoelectronic semiconductor component includes an optoelectronic semiconductor chip and an optical element. A connecting layer includes a transparent oxide arranged between the semiconductor chip and the optical element. The connecting layer directly adjoins the semiconductor chip and the optical element and fixes the optical element on the semiconductor chip. A method for fabricating an optoelectronic semiconductor component is furthermore specified.
    Type: Application
    Filed: September 24, 2012
    Publication date: August 14, 2014
    Applicant: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Matthias Sabathil, Andreas Ploessl, Norwin von Malm, Alexander Linkov, Lutz Hoeppel, Christopher Koelper
  • Patent number: 8772804
    Abstract: A semiconductor light-emitting diode (10) is proposed having at least one p-doped light-emitting diode layer (4), an n-doped light-emitting diode layer (2) and an optically active zone (3) between the p-doped light-emitting diode layer (4) and the n-doped light-emitting diode layer (2), having an oxide layer (8) consisting of a transparent conductive oxide, and having at least one mirror layer (9), wherein the oxide layer (8) is disposed between the light-emitting diode layers (2, 4) and the at least one mirror layer (9), and comprises a first boundary surface (8a) which faces the light-emitting diode layers (2, 4) and a second boundary surface (8b) which faces the at least one mirror layer (9), and wherein the second boundary surface (8b) of the oxide layer (8) has less roughness (R2) than the first boundary surface (8a) of the oxide layer (8).
    Type: Grant
    Filed: February 11, 2009
    Date of Patent: July 8, 2014
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Magnus Ahlstedt, Johannes Baur, Ulrich Zehnder, Martin Strassburg, Matthias Sabathil, Berthold Hahn
  • Publication number: 20140145227
    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: Application
    Filed: August 17, 2011
    Publication date: May 29, 2014
    Applicant: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Lutz Höppel, Norwin von Malm, Matthias Sabathil
  • Patent number: 8684540
    Abstract: An optical projection apparatus includes a first light source, a second light source, and an imaging element, which is illuminated by the first light source and the second light source during operation. The light source includes a light-emitting diode chip that emits red light during operation. The second light source includes a first light-emitting diode chip, which emits green light during operation. A second light-emitting diode chip emits blue light during operation. The second light-emitting diode chip is arranged on the first light-emitting diode chip at a radiation exit surface of the first light-emitting diode chip. Electromagnetic radiation generated in the first light-emitting diode chip during operation passes through the second light-emitting diode chip.
    Type: Grant
    Filed: June 15, 2010
    Date of Patent: April 1, 2014
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Stefan Grötsch, Simon Kocur, Matthias Sabathil
  • Publication number: 20140070246
    Abstract: The invention relates to a light-emitting semiconductor component, comprising—a first semiconductor body (1), which comprises an active zone (11) in which during the operation of the light-emitting semiconductor component electromagnetic radiation is generated, at least some of which leaves the first semiconductor body (1) through a radiation exit surface (1a), and—a second semiconductor body (2), which is suitable for converting the electromagnetic radiation into converted electromagnetic radiation having a shorter wavelength, wherein—the first semiconductor body (1) and the second semiconductor body (2) are produced separately from each other,—the second semiconductor body (2) is electrically inactive, and—the second semiconductor body (2) is in direct contact with the radiation exit surface (1a) and is attached there to the first semiconductor body (1) without connecting means.
    Type: Application
    Filed: March 7, 2012
    Publication date: March 13, 2014
    Applicant: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Matthias Sabathil, Andreas Plößl, Hans-Jürgen Lugauer, Alexander Linkov, Patrick Rode
  • Patent number: 8653540
    Abstract: An optoelectronic semiconductor body includes a semiconductor layer sequence which has an active layer suitable for generating electromagnetic radiation, and a first and a second electrical connecting layer. The semiconductor body is provided for emitting electromagnetic radiation from a front side. The first and the second electrical connecting layer are arranged at a rear side opposite the front side and are electrically insulated from one another by means of a separating layer. The first electrical connecting layer, the second electrical connecting layer and the separating layer laterally overlap and a partial region of the second electrical connecting layer extends from the rear side through a breakthrough in the active layer in the direction of the front side. Furthermore, a method for producing such an optoelectronic semiconductor body is specified.
    Type: Grant
    Filed: April 12, 2013
    Date of Patent: February 18, 2014
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Karl Engl, Patrick Rode, Lutz Hoeppel, Matthias Sabathil
  • Publication number: 20130328066
    Abstract: An optoelectronic semiconductor chip includes a semiconductor layer stack having an active layer that generates radiation, and a radiation emission side, and a conversion layer disposed on the radiation emission side of the semiconductor layer stack, wherein the conversion layer converts at least a portion of the radiation, which is emitted by the active layer, into radiation of a different wavelength, the radiation emission side of the semiconductor layer stack has a first nanostructuring, and the conversion layer is disposed in this first nanostructuring.
    Type: Application
    Filed: November 2, 2011
    Publication date: December 12, 2013
    Applicant: OSRAM Opto Semiconductors GmbH
    Inventors: Matthias Sabathil, Alexander Linkov, Christopher Kölper, Martin Strassburg, Norwin von Malm
  • Patent number: 8581236
    Abstract: An electrically pumped optoelectronic semiconductor chip includes at least two radiation-active quantum wells comprising InGaN or consisting thereof. The optoelectronic semiconductor chip includes at least two cover layers which include AlGaN or consist thereof. Each of the cover layers is assigned to precisely one of the radiation-active quantum wells. The cover layers are each located on a p-side of the associated radiation-active quantum well. The distance between the radiation-active quantum well and the associated cover layer is at most 1.5 nm.
    Type: Grant
    Filed: June 30, 2010
    Date of Patent: November 12, 2013
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Matthias Peter, Tobias Meyer, Jürgen Off, Tetsuya Taki, Joachim Hertkorn, Matthias Sabathil, Ansgar Laubsch, Andreas Biebersdorf
  • Patent number: 8530923
    Abstract: A light-emitting diode chip (1) with a semiconductor layer sequence (2) is described, which is contacted electrically by contacts (5) via a current spreading layer (3). The contacts (5) cover around 1%-8% of the surface of the semiconductor layer sequence (2). The contacts (5) consist for example of separate contact points (51), which are arranged at the nodes of a regular grid (52) with a grid constant of 12 ?m. The current spreading layer (3) contains for example indium-tin oxide, indium-zinc oxide or zinc oxide and has a thickness in the range from 15 nm to 60 nm.
    Type: Grant
    Filed: April 28, 2009
    Date of Patent: September 10, 2013
    Assignee: OSRAM Opto Semiconductor GmbH
    Inventors: Matthias Sabathil, Lutz Hoeppel, Andreas Weimar, Karl Engl, Johannes Baur
  • Patent number: 8526476
    Abstract: A semiconductor chip with a semiconductor body has a semiconductor layer sequence with an active region provided for generating radiation. A mirror structure that includes a mirror layer and a dielectric layer that is arranged at least in regions between the mirror layer and semiconductor body is arranged on the semiconductor body.
    Type: Grant
    Filed: April 24, 2008
    Date of Patent: September 3, 2013
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Karl Engl, Lutz Hoeppel, Christoph Eichler, Matthias Sabathil, Andreas Weimar
  • Patent number: 8502267
    Abstract: An optoelectronic semiconductor component includes an active layer that emits radiation, the active layer surrounded by cladding layers, wherein the cladding layers and/or the active layer include(s) an indium-containing phosphide compound semiconductor material and the phosphide compound semiconductor material contains at least one of elements Bi or Sb as an additional element of main group V.
    Type: Grant
    Filed: January 5, 2010
    Date of Patent: August 6, 2013
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Alexander Behres, Matthias Sabathil
  • Patent number: 8450751
    Abstract: An optoelectronic semiconductor body includes a semiconductor layer sequence which has an active layer suitable for generating electromagnetic radiation, and a first and a second electrical connecting layer. The semiconductor body is provided for emitting electromagnetic radiation from a front side. The first and the second electrical connecting layer are arranged at a rear side opposite the front side and are electrically insulated from one another by means of a separating layer. The first electrical connecting layer, the second electrical connecting layer and the separating layer laterally overlap and a partial region of the second electrical connecting layer extends from the rear side through a breakthrough in the active layer in the direction of the front side. Furthermore, a method for producing such an optoelectronic semiconductor body is specified.
    Type: Grant
    Filed: April 24, 2008
    Date of Patent: May 28, 2013
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Karl Engl, Patrick Rode, Lutz Hoeppel, Matthias Sabathil
  • Patent number: 8436394
    Abstract: A luminescence diode chip includes a semiconductor layer sequence having an active layer suitable for generating electromagnetic radiation, and a first electrical connection layer, which touches and makes electrically conductive contact with the semiconductor layer sequence. The first electrical connection layer touches and makes contact with the semiconductor layer sequence in particular with a plurality of contact areas. In the case of the luminescence diode chip, an inhomogeneous current density distribution or current distribution is set in a targeted manner in the semiconductor layer sequence by means of an inhomogeneous distribution of an area density of the contact areas along a main plane of extent of the semiconductor layer sequence.
    Type: Grant
    Filed: October 16, 2009
    Date of Patent: May 7, 2013
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Peter Brick, Matthias Sabathil, Hagen Luckner