Patents by Inventor Kathy Schmidtke

Kathy Schmidtke 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: 11621378
    Abstract: An optoelectronic component includes an optoelectronic semiconductor chip that, during intended operation, generates primary radiation coupled out of the semiconductor chip via an emission side of the semiconductor chip; and a first conversion element on the emission side, wherein the first conversion element includes a first matrix material and first phosphor particles in the form of quantum dots, the first phosphor particles are distributed and embedded in the first matrix material, and the first matrix material is formed by a polysiloxane in which an atomic percentage of carbon is smaller than an atomic percentage of oxygen.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: April 4, 2023
    Assignee: OSRAM OLED GmbH
    Inventors: Dajana Durach, Kathy Schmidtke
  • Patent number: 11398588
    Abstract: An optoelectronic component and a method for producing an optoelectronic component are disclosed. In an embodiment an optoelectronic component includes at least one optoelectronic semiconductor chip configured to emit radiation and an encapsulation around the semiconductor chip. The encapsulation is a polysiloxane. A barrier layer can be used for protection against harmful gases, the barrier layer being arranged on the encapsulation. The barrier layer is a plasma-polymerized siloxane layer.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: July 26, 2022
    Assignee: OSRAM OLED GMBH
    Inventors: Thomas Reeswinkel, Kathy Schmidtke
  • Publication number: 20220059741
    Abstract: In an embodiment a radiation emitting device includes a semiconductor chip configured to emit electromagnetic radiation of a first wavelength range from a radiation exit surface and a potting comprising a matrix material and a plurality of nanoparticles, wherein a concentration of the nanoparticles in the matrix material decreases starting from the radiation exit surface of the semiconductor chip so that a refractive index of the potting decreases starting from the radiation exit surface of the semiconductor chip, and wherein the nanoparticles are coated with a shell.
    Type: Application
    Filed: December 18, 2019
    Publication date: February 24, 2022
    Inventors: Alexander Baumgartner, T'ing Qi'ao Leow, Tomin Liu, Kathy Schmidtke
  • Publication number: 20210403720
    Abstract: In an embodiment a granular cover and/or filling material includes a plurality of particles, wherein each particle consists of a matrix material in which at least one filler particle is incorporated, and wherein each filler particle comprises titanium dioxide and a coating material.
    Type: Application
    Filed: November 6, 2019
    Publication date: December 30, 2021
    Inventors: Ivar Tangring, Kathy Schmidtke
  • Publication number: 20210384395
    Abstract: A radiation-emitting component is disclosed. In an embodiment a radiation-emitting component includes a radiation-emitting semiconductor chip and a transparent joining layer mechanically stably connecting the radiation-emitting semiconductor chip with a carrier, wherein the transparent joining layer comprises a matrix material in which a plurality of nanoparticles are located.
    Type: Application
    Filed: December 16, 2019
    Publication date: December 9, 2021
    Inventors: Norwin von Malm, Reinhard Streitel, Kathy Schmidtke
  • Publication number: 20210336101
    Abstract: In an embodiment an optoelectronic device includes an optoelectronic component with a first main surface, a second main surface and a plurality of side surfaces interconnecting the first and second main surfaces and a conversion element arranged at the first main surface of the optoelectronic component, wherein the conversion element includes a frame of a reflective material and a conversion material located within the frame, wherein an interface between the frame and the conversion material runs slanted having an angle of smaller than 180° and larger than 90° between the interface and an adjacent side surface of the plurality of side surfaces, and wherein the frame protrudes laterally beyond a light emitting area of the first main surface of the optoelectronic component.
    Type: Application
    Filed: October 9, 2019
    Publication date: October 28, 2021
    Inventors: Albert Schneider, Kathy Schmidtke, David Racz
  • Publication number: 20210280749
    Abstract: A method for producing conversion elements, a conversion element, a method for producing a light-emitting semiconductor device, and a light-emitting semiconductor device are disclosed. In an embodiment a method for producing conversion elements includes providing a sapphire substrate, forming a conversion layer on a first main surface of the sapphire substrate, and separating the sapphire substrate and the conversion layer into a plurality of conversion elements.
    Type: Application
    Filed: August 7, 2019
    Publication date: September 9, 2021
    Inventors: Kathy Schmidtke, Tobias Gebuhr
  • Publication number: 20210043813
    Abstract: An optoelectronic component and a method for producing an optoelectronic component are disclosed. In an embodiment an optoelectronic component includes at least one optoelectronic semiconductor chip configured to emit radiation and an encapsulation around the semiconductor chip. The encapsulation is a polysiloxane. A barrier layer can be used for protection against harmful gases, the barrier layer being arranged on the encapsulation. The barrier layer is a plasma-polymerized siloxane layer.
    Type: Application
    Filed: January 18, 2019
    Publication date: February 11, 2021
    Applicant: OSRAM OLED GmbH
    Inventors: Thomas Reeswinkel, Kathy Schmidtke
  • Patent number: 10833231
    Abstract: An optoelectronic component and a method for producing an optoelectronic component are disclosed. In an embodiment a method for producing an optoelectronic component includes providing a semiconductor capable of emitting primary radiation, providing an alkoxy-functionalized polyorganosiloxane resin and crosslinking the alkoxy-functionalized polyorganosiloxane resin to form a three-dimensionally crosslinked polyorganosiloxane, wherein an organic portion of the three-dimensionally crosslinked polyorganosiloxane is up to 25 wt %.
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: November 10, 2020
    Assignee: OSRAM OLED GMBH
    Inventors: Gertrud Kräuter, Matthias Loster, Kathy Schmidtke, Alan Piquette
  • 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
  • Publication number: 20190296197
    Abstract: An optoelectronic component includes an optoelectronic semiconductor chip that, during intended operation, generates primary radiation coupled out of the semiconductor chip via an emission side of the semiconductor chip; and a first conversion element on the emission side, wherein the first conversion element includes a first matrix material and first phosphor particles in the form of quantum dots, the first phosphor particles are distributed and embedded in the first matrix material, and the first matrix material is formed by a polysiloxane in which an atomic percentage of carbon is smaller than an atomic percentage of oxygen.
    Type: Application
    Filed: March 18, 2019
    Publication date: September 26, 2019
    Inventors: Dajana Durach, Kathy Schmidtke
  • Patent number: 10287492
    Abstract: A method for producing a conversion element is disclosed. In an embodiment, the method includes providing an acidic medium having a pH value of less than 2, adding a conversion material into the acidic medium thereby forming a mixture and adding a silicate solution having a viscosity between 2 to 10 000 poize inclusive to the mixture such that the pH value during the addition of the silicate solution is smaller than 2. The method further includes obtaining a precipitate which contains the conversion material and silicon dioxide as a matrix material, separating the precipitate, washing the precipitate with a washing medium, wherein the washing medium has a pH value of less than 2; and hardening the precipitate thereby forming the conversion element.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: May 14, 2019
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventor: Kathy Schmidtke
  • Publication number: 20190123248
    Abstract: An optoelectronic component and a method for producing an optoelectronic component are disclosed. In an embodiment a method for producing an optoelectronic component includes providing a semiconductor capable of emitting primary radiation, providing an alkoxy-functionalized polyorganosiloxane resin and crosslinking the alkoxy-functionalized polyorganosiloxane resin to form a three-dimensionally crosslinked polyorganosiloxane, wherein an organic portion of the three-dimensionally crosslinked polyorganosiloxane is up to 25 wt %.
    Type: Application
    Filed: April 13, 2017
    Publication date: April 25, 2019
    Applicant: OSRAM Opto Semiconductors GmbH
    Inventors: Gertrud Kräuter, Matthias Loster, Kathy Schmidtke, Alan Piquette
  • Patent number: 10263164
    Abstract: The present invention relates to an optoelectronic component comprising a semiconductor (1) and a polyorganosiloxane. The polyorganosiloxane is obtainable by crosslinking a composition comprising a first organosiloxane having at least one terminal vinyl group, a second organosiloxane having at least one silicon-hydrogen bond and an alkoxysilane having at least one epoxy group. Additionally specified is a method of producing an optoelectronic component.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: April 16, 2019
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Christina Keith, Kathy Schmidtke, Klaus Hoehn
  • Publication number: 20180237689
    Abstract: A method for producing a conversion element is disclosed. In an embodiment, the method includes providing an acidic medium having a pH value of less than 2, adding a conversion material into the acidic medium thereby forming a mixture and adding a silicate solution having a viscosity between 2 to 10 000 poise inclusive to the mixture such that the pH value during the addition of the silicate solution is smaller than 2. The method further includes obtaining a precipitate which contains the conversion material and silicon dioxide as a matrix material, separating the precipitate, washing the precipitate with a washing medium, wherein the washing medium has a pH value of less than 2; and hardening the precipitate thereby forming the conversion element.
    Type: Application
    Filed: August 5, 2016
    Publication date: August 23, 2018
    Inventor: Kathy Schmidtke
  • Publication number: 20180100054
    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: Application
    Filed: April 13, 2016
    Publication date: April 12, 2018
    Inventors: Klaus Höhn, Kathy Schmidtke, Christina Keith
  • Publication number: 20180033925
    Abstract: A method of producing a light-emitting device includes providing a carrier having a carrier top face and at least one light-emitting semiconductor chip arranged on the carrier top face, wherein the semiconductor chip has a radiation emission face and is arranged on the carrier top face such that the radiation emission face faces away from the carrier top face; arranging a converter element on the at least one semiconductor chip on its radiation emission face so that the converter element fully covers the radiation emission face of the semiconductor chip and extends laterally beyond the semiconductor chip; covering the converter element with an encapsulant, and compression molding and curing the encapsulant so that the encapsulant covers the converter element on a face facing away from the semiconductor chip, and the converter element and the encapsulant fit closely against the radiation emission face and at least against a side face of the semiconductor chip; and detaching the encapsulant, together with the c
    Type: Application
    Filed: February 17, 2016
    Publication date: February 1, 2018
    Inventors: Markus Pindl, Siegfried Herrmann, Kathy Schmidtke
  • Publication number: 20180033927
    Abstract: The present invention relates to an optoelectronic component comprising a semiconductor (1) and a polyorganosiloxane. The polyorganosiloxane is obtainable by crosslinking a composition comprising a first organosiloxane having at least one terminal vinyl group, a second organosiloxane having at least one silicon-hydrogen bond and an alkoxysilane having at least one epoxy group. Additionally specified is a method of producing an optoelectronic component.
    Type: Application
    Filed: February 4, 2016
    Publication date: February 1, 2018
    Inventors: Christina KEITH, Kathy SCHMIDTKE, Klaus HOEHN
  • Patent number: 9761769
    Abstract: An electromagnetic radiation emitting assembly includes a carrier, an electromagnetic radiation emitting component arranged above the carrier, and a potting material at least partly surrounding the electromagnetic radiation emitting component and into which are embedded phosphor that converts the electromagnetic radiation and heat-conducting particles that conduct heat arising during operation of the electromagnetic radiation emitting assembly, wherein a phosphor concentration in the potting material near the electromagnetic radiation emitting component is greater than a particle concentration of the heat-conducting particles in the potting material near the electromagnetic radiation emitting component, and a particle concentration of the heat-conducting particles in the potting material near the electromagnetic radiation emitting component is greater than in the potting material remote from the electromagnetic radiation emitting component.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: September 12, 2017
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Hailing Cui, Kathy Schmidtke
  • Patent number: 9748451
    Abstract: A radiation-emitting component includes a radiation source; a transparent material disposed in the beam path of the component and including a polymer material and filler particles, wherein the filler particles include an inorganic filler material and a phosphonic acid derivative or phosphoric acid derivative attached to a surface thereof and through which the filler particles are crosslinked with the polymer material.
    Type: Grant
    Filed: April 5, 2013
    Date of Patent: August 29, 2017
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Kathy Schmidtke, Michael Kruppa, Bert Braune