Patents Assigned to OSRAM Opto Semiconductors GmbH
  • Patent number: 10727379
    Abstract: The invention relates to a method for producing a conversion element for an optoelectronic component comprising the steps of: A) Producing a first layer, for that purpose: A1) Providing a polysiloxane precursor material, which is liquid, A2) Mixing a phosphor to the polysiloxane precursor material, wherein the phosphor is suitable for conversion of radiation, A3) Curing the arrangement produced under step A2) to produce a first layer having a phosphor mixed in a cured polysiloxane material, which comprises a three-dimensional crosslinking network based primarily on T-units, where the ratio of T-units to all units is greater than 80%, B) Producing a phosphor-free second layer, for that purpose: B1) Providing the polysiloxane precursor material, which is liquid, B2) Mixing a filler to the polysiloxane precursor material, wherein the filler is in a cured and powdered form, wherein the filler has a refractive index, which is equal to the refractive index of the cured polysiloxane material, B3) Curing the arrangem
    Type: Grant
    Filed: February 16, 2018
    Date of Patent: July 28, 2020
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Alan Piquette, Adam Scotch, Maxim N. Tchoul, Gertrud Kraeuter
  • Patent number: 10711191
    Abstract: A phosphor and a lighting device are disclosed. In an embodiment a lighting device includes a first phosphor disposed in a beam path of the primary radiation source, wherein the first phosphor has the formula Sr(SraM1?a)Si2Al2(N,X)6:D,A,B,E,G,L, wherein element M is selected from Ca, Ba, Mg or combinations thereof, wherein element D is one or more elements selected from Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm, alkali metals or Yb, wherein element A is selected from divalent metals different than those of the elements M and D, wherein element B is selected from trivalent metals, wherein element E is selected from monovalent metals, wherein element G is selected from tetravalent elements, wherein element L is selected from trivalent elements, wherein element X is selected from O or halogen, and wherein a parameter a is between 0.6 and 1.0.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: July 14, 2020
    Assignees: OSRAM Opto Semiconductors GmbH, OSRAM GmbH
    Inventors: Tim Fiedler, Daniel Bichler, Stefan Lange, Rebecca Römer, Frank Jermann, Frauke Thienel, Barbara Huckenbeck, Alexander Baumgartner, Vera Stöppelkamp, Norbert Bönisch, Hailing Cui
  • Patent number: 10686295
    Abstract: A laser component includes an edge-emitting first laser chip with an upper side, a lower side, an end side and a side surface, wherein an emission region is arranged on the end side, the side surface is oriented perpendicularly to the upper side and to the end side, a first metallization is arranged on the upper side, a step by which a part adjacent to the upper side of the side surface is set back, is formed on the side surface, a passivation layer is arranged in the set-back part of the side surface, the laser chip is arranged on a carrier, the side surface faces toward a surface of the carrier, and a first solder contact arranged on the surface of the carrier electrically conductively connects to the first metallization.
    Type: Grant
    Filed: August 14, 2014
    Date of Patent: June 16, 2020
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Jens Mueller, Markus Horn
  • Publication number: 20200185576
    Abstract: A method of producing an optoelectronic lighting device includes forming a volume emitter such that it is at least partly transmissive to generated electromagnetic radiation, forming a concavely formed, optically transparent frame element including a curable, flowable material including phosphor particles at a side region of the volume emitter, wherein forming a conversion layer that converts the electromagnetic radiation into a second wavelength range is carried out by a sedimentation process of phosphor particles, and the conversion layer is formed within an optically transparent frame element in a manner adjoining an optically active region, forming a reflection element on the optically transparent frame element, and forming a conversion element that converts the electromagnetic radiation into a second wavelength range, wherein the conversion element is formed in a manner overlapping at least a second surface of the volume emitter and frame element.
    Type: Application
    Filed: June 30, 2017
    Publication date: June 11, 2020
    Applicant: OSRAM Opto Semiconductors GmbH
    Inventor: Ivar Tangring
  • Patent number: 10673207
    Abstract: The invention relates to, inter alia, a light-emitting semiconductor component comprising the following: —a first mirror (102, 202, 302, 402, 502), —a first conductive layer (103, 203, 303, 403, 503), —a light-emitting layer sequence (104, 204, 304, 404, 504) on a first conductive layer face facing away from the first mirror, and—a second conductive layer (105, 205, 305, 405, 505) on a light-emitting layer sequence face facing away from the first conductive layer, wherein—the first mirror, the first conductive layer, the light-emitting layer sequence, and the second conductive layer are based on a III-nitride compound semiconductor material, —the first mirror is electrically conductive, and—the first mirror is a periodic sequence of homoepitaxial materials with varying refractive indices.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: June 2, 2020
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Armin Dadgar, André Strittmatter, Christoph Berger
  • Patent number: 10665747
    Abstract: A method of producing an optoelectronic semiconductor component includes providing a carrier, arranging at least one optoelectronic semiconductor chip at a top side of the carrier, applying a phosphor layer at the at least one semiconductor chip, forming a shaped body around the at least one optoelectronic semiconductor chip, wherein the shaped body surrounds all side areas of the at least one optoelectronic semiconductor chip, and removing the carrier, wherein the phosphor layer is applied before forming the shaped body.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: May 26, 2020
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Karl Weidner, Ralph Wirth, Axel Kaltenbacher, Walter Wegleiter, Bernd Barchmann, Oliver Wutz, Jan Marfeld
  • Patent number: 10665760
    Abstract: A method for producing at least one optoelectronic semiconductor component and an optoelectronic semiconductor component are disclosed. In an embodiment, the method includes providing a semiconductor layer sequence comprising a first semiconductor material configured to emit a first radiation and applying a conversion element at least partially on the semiconductor layer sequence via a cold method, wherein the conversion element comprises a second semiconductor material, and wherein the second semiconductor material is configured to convert the first radiation into a second radiation.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: May 26, 2020
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Britta Goeoetz, Alexander Behres, Darshan Kundaliya
  • Patent number: 10662310
    Abstract: An optoelectronic component includes a semiconductor chip that is able to emit radiation having a wavelength of 400 nm to 490 nm, a conversion element including a reactive polysiloxane matrix material, a wavelength converting phosphor and filler nanoparticles, wherein the filler nanoparticles have a diameter of smaller than 15 nm and modify the refractive index and yield a mixture when added to the reactive polysiloxane matrix material.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: May 26, 2020
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Maxim N. Tchoul, Thomas Dreeben, Adam Scotch, Alan Piquette, Gertrud Kräuter, Darshan Kundaliya
  • Publication number: 20200136348
    Abstract: A semiconductor laser includes a contact carrier having electrical contact surfaces to electrically contact a semiconductor layer sequence, an electrical connecting line from a main side of the semiconductor layer sequence facing away from the contact carrier and a plurality of capacitors, wherein the connecting line is located on or in the semiconductor layer sequence, at least two of the capacitors are present, the capacitances of which differ by at least a factor of 50, the capacitor having a smaller capacitance is configured to supply the active zone with current immediately after a switch-on operation, and the capacitor having the larger capacitance is configured to a subsequent current supply, the capacitor having the smaller capacitance directly electrically connects to the active zone, and a resistor is arranged between the capacitor having the larger capacitance and the active zone, the resistor having a resistance of at least 100 ?.
    Type: Application
    Filed: April 13, 2018
    Publication date: April 30, 2020
    Applicant: OSRAM Opto Semiconductors GmbH
    Inventors: Roland Heinrich ENZMANN, Andreas WOJCIK, Hubert HALBRITTER, Martin Rudolf BEHRINGER, Josip MARIC, Mariel Grace JAMA, Berthold HAHN, Christian MÜLLER, Isabel OTTO
  • Publication number: 20200135980
    Abstract: An optoelectronic component and a method for producing an optoelectronic component are disclosed. In an embodiment a method includes attaching a plurality of optoelectronic semiconductor chips on predetermined locations of an intermediate film, providing a cavity film with a plurality of separated openings, attaching the cavity film to the intermediate film such that each optoelectronic semiconductor chip is associated with a respective opening, wherein the cavity film is thicker than the optoelectronic semiconductor chips such that the cavity film exceeds the optoelectronic semiconductor chips in a direction away from the intermediate film, filling a casting material in each of the openings such that the optoelectronic semiconductor chips are casted with the casting material and removing the intermediate film.
    Type: Application
    Filed: July 6, 2017
    Publication date: April 30, 2020
    Applicant: OSRAM Opto Semiconductors GmbH
    Inventors: Choo Kean LIM, Choon Keat OR, Choon Kim LIM, Ai Cheng CHAN
  • Publication number: 20200127181
    Abstract: A radiation-emitting semiconductor device and a fabric are disclosed. In an embodiment, a radiation-emitting semiconductor device includes a semiconductor layer sequence having an active region configured to generate radiation and at least one carrier on which the semiconductor layer sequence is arranged, wherein the at least one carrier has at least one anchoring structure on a carrier underside facing away from the semiconductor layer sequence, wherein the at least one anchoring structure includes electrical contact points for making electrical contact with the semiconductor layer sequence, and wherein the at least one anchoring structure is configured to receive at least one thread for fastening the semiconductor device to a fabric and for electrical contacting the at least one thread.
    Type: Application
    Filed: April 18, 2018
    Publication date: April 23, 2020
    Applicant: OSRAM Opto Semiconductors GmbH
    Inventors: Martin Rudolf Behringer, Alexander F. Pfeuffer, Andreas Plößl, Georg Bogner, Berthold Hahn
  • Publication number: 20200119227
    Abstract: A semiconductor layer sequence and a method for producing a semiconductor layer sequence are disclosed. In an embodiment a semiconductor layer sequence includes a first nitridic compound semiconductor layer, an intermediate layer, a second nitridic compound semiconductor layer and an active layer, wherein the intermediate layer comprises an AlGaN layer with an Al content of at least 5%, wherein the second nitridic compound semiconductor layer has a lower proportion of Al than the AlGaN layer such that relaxed lattice constants of the AlGaN layer of the intermediate layer and of the second nitridic compound semiconductor layer differ, wherein the second nitridic compound semiconductor layer and the active layer are grown on the intermediate layer in a lattice-matched manner, wherein the active layer comprises one or more layers of AlInGaN, and wherein an In content in each of the layers of AlInGaN is at most 12%.
    Type: Application
    Filed: October 24, 2017
    Publication date: April 16, 2020
    Applicant: OSRAM Opto Semiconductors GmbH
    Inventors: Werner BERGBAUER, Lise LAHOURCADE, Jürgen OFF
  • Publication number: 20200119228
    Abstract: A component having an enhanced efficiency and a method for producing a component are disclosed. In an embodiment, a component includes a semiconductor layer sequence comprising a p-conducting semiconductor layer, an n-conducting semiconductor layer and an active zone located therebetween, wherein the active zone comprises recesses on a side of the p-conducting semiconductor layer, each recess having facets extending obliquely to a main surface of the active zone, and wherein the p-conducting semiconductor layer extends into the recesses, and a barrier structure, wherein the active zone is arranged between the barrier structure and the n-conducting semiconductor layer so that an injection of positively charged charge carriers into the active zone via the main surface is hindered in a targeted manner so that an injection of positively charged charge carriers into the active zone via the facets is promoted.
    Type: Application
    Filed: May 18, 2017
    Publication date: April 16, 2020
    Applicant: OSRAM Opto Semiconductors GmbH
    Inventors: Thomas Lehnhardt, Werner Bergbauer, Jürgen Off, Lise Lahourcade, Philipp Drechsel
  • Publication number: 20200119084
    Abstract: A luminescence diode and a method for producing a luminescence diode are disclosed. In an embodiment a luminescence diode includes a carrier substrate, a first semiconductor layer sequence including a first active layer suitable for emitting radiation having a first dominant wavelength ?dom1 and a second semiconductor layer sequence including a second active layer suitable for emitting radiation having a second dominant wavelength ?dom2, wherein the first semiconductor layer sequence and the second semiconductor layer sequence are arranged side by side on the carrier substrate, and wherein the first dominant wavelength ?dom1 of the first active layer and the second dominant wavelength ?dom2 of the second active layer are different from each other.
    Type: Application
    Filed: July 3, 2017
    Publication date: April 16, 2020
    Applicants: OSRAM Opto Semiconductors GmbH, OSRAM Opto Semiconductors GmbH
    Inventors: Christoph Rupprich, Andreas Rudolph, Hubert Halbritter
  • Patent number: 10622524
    Abstract: A converter for an optoelectronic component, an optoelectronic component, a method for forming a converter for an optoelectronic component and a material for a reflector of an optoelectronic component are disclosed. In an embodiment, a converter includes a conversion element for converting a wavelength of electromagnetic radiation which passes through at least a part of the conversion element and a reflector, wherein the reflector includes a reflector material which includes MgF2 and/or an inorganic material as a matrix material in which a plurality of particles is embedded, wherein a refractive index of the matrix material amounts to at least 1 and at most 2, and wherein a refractive index of the particles amounts to at least 1.5.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: April 14, 2020
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Jörg Erich Sorg, Roland Schulz, Florian Peskoller, Alan Lenef, Christopher Tarry, Yi Zheng
  • Patent number: 10612126
    Abstract: What is specified is a method for producing a coating comprising the following steps: —providing a material source having a top surface and a main coating direction, —providing a substrate holder having a top surface, —providing at least one base layer, having a coating surface remote from the substrate holder, on the top surface of the substrate, —attaching the substrate holder to a rotating arm, which has a length along a main direction of extent of the rotating arm, —setting the length of the rotating arm in such a manner that a normal angle (?) throughout the method is at least 30° and at most 75°, —applying at least one coating to that side of the base layer which has the coating surface by means of the material source, wherein—during the coating process with the coating, the substrate holder is rotated about a substrate axis of rotation running along the main direction of extent of the rotating arm.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: April 7, 2020
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Martin Lemberger, Michael Schmal, Julian Ikonomov
  • Patent number: 10605422
    Abstract: An organic light-emitting diode comprising an organic layer sequence, a radiation exit area and an encapsulation. The organic layer sequence comprises at least one radiation-emitting region which generates electromagnetic radiation in the spectral range from infrared radiation to UV radiation during operation. The radiation exit area is structured, so that the electromagnetic radiation has a directional emission profile. The encapsulation forms a seal of the organic layer sequence against environmental influences.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: March 31, 2020
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Ulrich Kastner-Jung, Markus Klein, Stan Maes, Romana Sigl, Annette Haid, Stephan Lintner, Julian Herget, Gregor Matjan
  • Patent number: 10597512
    Abstract: An optoelectronic device with a mixture including silicone and a fluoro-organic additive is disclosed. In an embodiment the device includes at least one radiation-emitting or radiation-detecting semiconductor and a mixture including silicone and a fluoro-organic additive. The mixture may be a component of at least one of the following elements: a package body element surrounding the at least one semiconductor at least in places, a radiation-guiding element arranged in a beam path of a radiation emitted by the semiconductor or detected by the semiconductor, a heat-conducting element configured to conduct heat emitted by the semiconductor or received by the semiconductor, or an adhesive element.
    Type: Grant
    Filed: April 13, 2016
    Date of Patent: March 24, 2020
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Klaus Höhn, Kathy Schmidtke, Christina Keith
  • Patent number: 10590339
    Abstract: A method for producing a converter element, a converter element and a light emitting device are disclosed. In an embodiment a method for producing a converter element providing at least one phosphor and a liquid polysiloxane resin and preparing a cured polysiloxane powder from a first fraction of the liquid polysiloxane resin. The method further includes preparing a mixture including the at least one phosphor, the cured polysiloxane powder and a second fraction of the liquid polysiloxane resin, casting and curing the mixture to a cured layer and singulating the cured layer.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: March 17, 2020
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Alan Piquette, Maxim N. Tchoul, Gertrud Kräuter
  • Publication number: 20200083401
    Abstract: The invention relates, in one embodiment, to a method for producing light-emitting semiconductor components, which method comprises the following steps: A) providing a glass capillary (2) composed of a glass material, B) filling the glass capillary (2) with luminescent substances (3), C) sealing the glass capillary (2) in a sealing region (22) by melting the glass material such that the glass capillary (2) is closed by the glass material itself, and D) attaching the sealed glass capillary (2) to a light-emitting diode chip (4) such that the radiation emitted by the light-emitting diode chip (4) is converted into visible light by the luminescent substances (3) during operation, wherein in step C) a distance between the sealing region (22) and the luminescent substances (3) is at most 7 mm, and wherein the different luminescent substances (3) are separated from each other along a longitudinal axis (L) of the glass capillary (2).
    Type: Application
    Filed: August 10, 2016
    Publication date: March 12, 2020
    Applicants: OSRAM Opto Semiconductors GmbH, OSRAM Opto Semiconductors GmbH
    Inventors: David O'BRIEN, Britta GOEOETZ, Norwin VON MALM