Patents by Inventor Norwin von Malm

Norwin von Malm 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: 20250015561
    Abstract: The invention relates to a method for producing a multiplicity of vertically emitting semiconductor laser diodes, including providing a growth substrate, epitaxially growing an epitaxial semiconductor layer sequence including an active layer for generating electromagnetic radiation and including a sacrificial layer, wherein the sacrificial layer is disposed between the growth substrate and the active layer, forming trenches in the semiconductor layer sequence, resulting in a multiplicity of semiconductor layer stacks being formed and portions of the sacrificial layer being exposed, applying a carrier onto the epitaxial semiconductor layer sequence, and detaching the growth substrate by electrochemically etching the sacrificial layer, wherein an electrochemical etchant has access to the sacrificial layer through a cut-out in the growth substrate and/or through a cavity in the carrier. The invention also relates to a vertically emitting semiconductor laser diode.
    Type: Application
    Filed: November 2, 2022
    Publication date: January 9, 2025
    Applicant: ams-OSRAM International GmbH
    Inventors: Norwin VON MALM, Hubert HALBRITTER
  • Publication number: 20240387767
    Abstract: An optoelectronic device is specified having a transmitter which is designed to emit electromagnetic radiation and to be operated at an input voltage, a support for the transmitter, said support having a top surface and a bottom surface, a first receiver which is designed to receive at least part of the electromagnetic radiation and to supply at least part of an output voltage, wherein the transmitter comprises at least one surface emitter, the at least one surface emitter of the transmitter is mounted on the top surface of the support and radiates at least part of the electromagnetic radiation through the support, the first receiver (3) comprises at least one photodiode, and the first receiver is arranged on the bottom surface of the support.
    Type: Application
    Filed: August 17, 2022
    Publication date: November 21, 2024
    Applicant: ams-OSRAM International GmbH
    Inventors: Norwin VON MALM, Martin HETZL, Horst VARGA, Tim BOESCKE
  • Publication number: 20240372318
    Abstract: An optoelectronic semiconductor component includes a semiconductor body having a first region of a first conductivity, a second region of a second conductivity and an active region. Further, the semiconductor component includes a first metallic heat sink, a second metallic heat sink and a thin film insulation layer. The first heat sink and the second heat sink are arranged on a mounting side of the semiconductor body. The first heat sink electrically contacts the first region. The thin film insulation layer electrically insulates the first heat sink from the second heat sink. The thin film insulation layer is in direct contact with the first heat sink and the second heat sink.
    Type: Application
    Filed: September 9, 2022
    Publication date: November 7, 2024
    Inventors: Norwin VON MALM, Dominik SCHOLZ
  • Publication number: 20240364073
    Abstract: A method for producing a multiplicity of semiconductor laser chips, the method including growing a semiconductor layer having an active region, forming a multiplicity of laser chip regions, each laser chip region having a part of the active region, a part of the semiconductor layer, a first mirror and a second mirror, applying a sacrificial layer to the laser chip regions, shaping at least one support region per laser chip region within the sacrificial layer, applying an auxiliary carrier to the sacrificial layer, singulating the laser chip regions into semiconductor laser chips on the auxiliary carrier, each semiconductor laser chip having a first region of the semiconductor layer and a second region of the semiconductor layer, the first region and the second region having mutually different extents parallel to the main plane of extent of the semiconductor layer, and the first mirror and the second mirror adjoining the second region, removing the sacrificial layer, and simultaneously transferring at least so
    Type: Application
    Filed: August 4, 2022
    Publication date: October 31, 2024
    Applicant: ams-OSRAM International GmbH
    Inventors: Norwin VON MALM, Martin Rudolf BEHRINGER
  • Publication number: 20240332444
    Abstract: An optoelectronic device is specified, including an emitter, operated with an electrical input voltage and configured to emit electromagnetic radiation during operation, a receiver, configured to convert electromagnetic radiation emitted by the emitter to an output voltage, wherein the receiver includes a semiconductor layer sequence with a plurality of stacked active layers, electromagnetic radiation emitted by the emitter is coupled into the receiver via a first side face of the semiconductor layer sequence, and the electromagnetic radiation propagates parallel to a main extension plane of the active layer inside the active layer, where it is gradually absorbed and converted into an electrical voltage.
    Type: Application
    Filed: August 11, 2022
    Publication date: October 3, 2024
    Applicant: ams-OSRAM International GmbH
    Inventors: Alvaro GOMEZ-IGLESIAS, Norwin VON MALM, Tansen VARGHESE, Dirk BECKER
  • Publication number: 20240195143
    Abstract: In an embodiment a light-emitting device includes a housing body, a light-emitting semiconductor component in the housing body, the light-emitting component configured to emit light and an adaptive optical element in and/or on the housing body arranged downstream of the light-emitting semiconductor component in an optical path of the light, wherein the light-emitting device is a semiconductor package.
    Type: Application
    Filed: March 31, 2022
    Publication date: June 13, 2024
    Inventor: Norwin von Malm
  • Publication number: 20240030381
    Abstract: In an embodiment a method for producing a semiconductor body includes providing an auxiliary carrier, depositing a layer sequence on the auxiliary carrier having a first layer including a doped semiconductor material and a second layer including an undoped semiconductor material on the first layer, performing an electrochemical porosification of the first layer, wherein a degree of porosity is at least 20% by volume, forming a functional semiconductor body on the second layer and detaching the semiconductor body from the auxiliary carrier.
    Type: Application
    Filed: October 29, 2021
    Publication date: January 25, 2024
    Inventors: Peter Stauss, Adrian Avramescu, Norwin von Malm
  • Publication number: 20240030275
    Abstract: In an embodiment an optoelectronic component includes a carrier, a first semiconductor layer sequence with a first layer having a doped semiconductor material, and a second layer, and a second semiconductor layer sequence disposed atop the second layer and having an active zone configured to generate light, wherein the first layer includes at least a first region having a porosity level which is at least 20% greater than a porosity level of a second region, and a trench separating the first region from the second region, and wherein the carrier is bonded either to the first layer or to a side of the second semiconductor layer sequence remote from the first semiconductor layer sequence.
    Type: Application
    Filed: October 27, 2021
    Publication date: January 25, 2024
    Inventors: Adrian Stefan Avramescu, Norwin von Malm, Peter Stauss
  • Publication number: 20230411556
    Abstract: In an embodiment a method for manufacturing a semiconductor body includes providing an subcarrier, generating a layer sequence with a first layer having a doped semiconductor material and a second layer deposited thereon, the second layer having an undoped semiconductor material, providing an electrochemical porosification of the first layer, wherein a degree of porosity is at least 20% by volume, forming mesa structures in the second layer and at least partially in the porous first layer and epitaxially producing a functional layer sequence having at least one planar third layer which is applied to the second layer comprising the mesa structures, wherein the at least one planar third layer has a specific lattice constant which is different from a lattice constant of the second layer.
    Type: Application
    Filed: October 29, 2021
    Publication date: December 21, 2023
    Inventors: Adrian Avramescu, Norwin Von Malm, Peter Stauss
  • Publication number: 20230369550
    Abstract: The invention relates to a method for producing a plurality of optoelectronic semiconductor components, comprising the steps: a) providing a carrier composite having a plurality of component regions; b) forming a filter layer on the carrier composite; c) forming a radiation conversion layer on the filter layer; d) arranging a plurality of semiconductor bodies on the radiation conversion layer, wherein the semiconductor bodies each have a semiconductor layer sequence having an active region provided for radiation generation and are free of a substrate stabilizing the semiconductor body; e) forming a contact layer for producing an electrical connection between the semiconductor bodies; f) forming an insulation layer on the contact layer; g) forming electrical contact surfaces, each of which are electrically conductively connected to the contact layer; and h) separating the carrier composite into the optoelectronic semiconductor components.
    Type: Application
    Filed: September 15, 2021
    Publication date: November 16, 2023
    Inventors: Norwin VON MALM, Laura KREINER, Matthias GOLDBACH
  • Patent number: 11804579
    Abstract: In an embodiment a method for manufacturing an optoelectronic semiconductor device includes providing a semiconductor body having an active region configured to generate electromagnetic radiation and a coupling-out surface along a main radiation direction, forming a mask layer having a plurality of recesses on the coupling-out surface on the semiconductor body, depositing metallic separators in the recesses and applying a wavelength conversion element to the coupling-out surface of the semiconductor body such that the metallic separators are at least partially embedded therein.
    Type: Grant
    Filed: March 8, 2022
    Date of Patent: October 31, 2023
    Assignee: OSRAM OLED GmbH
    Inventors: Britta Göötz, Norwin von Malm
  • Patent number: 11745415
    Abstract: An optoelectronic semiconductor component and a 3D printer are disclosed. In an embodiment the component includes a carrier and a plurality of individually controllable pixels, wherein the pixels are mounted on the carrier and are formed from at least one semiconductor material, and wherein the pixels are configured to emit radiation having a wavelength of maximum intensity of 470 nm or less.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: September 5, 2023
    Assignee: OSRAM OLED GmbH
    Inventors: Nikolaus Gmeinwieser, Norwin von Malm
  • Publication number: 20230120107
    Abstract: An optoelectronic semiconductor component includes a primary light source including a carrier and a semiconductor layer sequence mounted thereon and configured to generate primary light, and at least one conversion unit of at least one semiconductor material adapted to convert the primary light into at least one secondary light, wherein the semiconductor layer sequence and the converter unit are separate elements, the semiconductor layer sequence includes a plurality of pixels, the pixels are configured to be controlled electrically independently of each other, the carrier includes a plurality of control units configured to drive the pixels, all pixels of a first group are free of a conversion unit and are configured to emit the primary light, all pixels of a second group of pixels include exactly one conversion unit each and are configured to emit the at least one secondary light.
    Type: Application
    Filed: December 15, 2022
    Publication date: April 20, 2023
    Inventors: Isabel Otto, Alexander F. Pfeuffer, Britta Göötz, Norwin von Malm
  • Publication number: 20230096718
    Abstract: An optoelectronic device may include an arrangement having a plurality of emitter elements configured to sequentially emit light of different wavelength ranges. The arrangement may include a plurality of time-of-flight detector elements configured to detect the light emitted by the emitter elements and reflected at a sample and to carry out a measurement for determining the distance of the reflection point of the light at the sample from the respective time-of-flight detector element. The device further includes an evaluation unit configured to generate a three-dimensional image of the sample for each wavelength range emitted by the emitter elements on the basis of the light detected by the time-of-flight detector elements and the distance of the reflection point of the light from the respective time-of-flight detector element and to determine the distribution of a substance in the sample from the images.
    Type: Application
    Filed: February 18, 2021
    Publication date: March 30, 2023
    Inventors: Gerd PLECHINGER, Norwin VON MALM, Laura KREINER
  • Publication number: 20230049186
    Abstract: In an embodiment an optical component includes an optical body at least partially translucent to visible light and a coating directly arranged at the optical body, wherein the coating has a reflection coefficient of at least 0.8 for at least one wavelength range in a range from 380 nm to 1500 nm and an average thickness between 10 ?m and 200 ?m inclusive, wherein the coating has a polysiloxane as base material, and wherein the polysiloxane comprises —SiO3/2 units.
    Type: Application
    Filed: December 14, 2020
    Publication date: February 16, 2023
    Applicant: OSRAM Opto Semiconductors GmbH
    Inventors: Jens Eberhard, Andreas Hanisch, Norwin von Malm
  • Patent number: 11557700
    Abstract: An optoelectronic semiconductor component includes a primary light source including a carrier and a semiconductor layer sequence mounted thereon and configured to generate primary light, and at least one conversion unit of at least one semiconductor material adapted to convert the primary light into at least one secondary light, wherein the semiconductor layer sequence and the converter unit are separate elements, the semiconductor layer sequence includes a plurality of pixels, the pixels are configured to be controlled electrically independently of each other, the carrier includes a plurality of control units configured to drive the pixels, all pixels of a first group are free of a conversion unit and are configured to emit the primary light, all pixels of a second group of pixels include exactly one conversion unit each and are configured to emit the at least one secondary light.
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: January 17, 2023
    Assignee: OSRAM OLED GmbH
    Inventors: Isabel Otto, Alexander F. Pfeuffer, Britta Göötz, Norwin von Malm
  • Publication number: 20230006417
    Abstract: A laser light source may include an arrangement of surface-emitting semiconductor lasers to which a voltage is applied such that an operating current is below the threshold current and an intrinsic emission of the surface-emitting semiconductor laser is prevented. The laser light source also comprises a first semiconductor laser which emits radiation that enters the surface-emitting semiconductor laser such that induced emission takes place via the injection locking mechanism and the individual surface-emitting semiconductor lasers emit laser light having the same wavelength and polarisation direction as the irradiated radiation. The emission frequency of the first semiconductor laser can be changed by changing the operating current.
    Type: Application
    Filed: November 24, 2020
    Publication date: January 5, 2023
    Inventor: Norwin VON MALM
  • Publication number: 20220199868
    Abstract: In an embodiment a method for manufacturing an optoelectronic semiconductor device includes providing a semiconductor body having an active region configured to generate electromagnetic radiation and a coupling-out surface along a main radiation direction, forming a mask layer having a plurality of recesses on the coupling-out surface on the semiconductor body, depositing metallic separators in the recesses and applying a wavelength conversion element to the coupling-out surface of the semiconductor body such that the metallic separators are at least partially embedded therein.
    Type: Application
    Filed: March 8, 2022
    Publication date: June 23, 2022
    Inventors: Britta Göötz, Norwin von Malm
  • Patent number: 11316077
    Abstract: A radiation-emitting device includes a semiconductor layer sequence having an active layer that emits a primary radiation during operation, a decoupling surface on a surface of the semiconductor layer sequence, a wavelength conversion layer on a side of the semiconductor layer sequence facing away from the decoupling surface, containing at least one conversion material that converts the primary radiation into secondary radiation, and a mirror layer on the side of the wavelength conversion layer facing away from the semiconductor layer sequence, wherein the at least one conversion material is electrically conductive and/or embedded in an electrically conductive matrix material.
    Type: Grant
    Filed: January 25, 2018
    Date of Patent: April 26, 2022
    Assignee: OSRAM OLED GmbH
    Inventors: Britta Göötz, Norwin von Malm
  • Patent number: 11309461
    Abstract: An optoelectronic semiconductor device and a method for manufacturing an optoelectronic semiconductor device are disclosed. In an embodiment, an optoelectronic semiconductor device includes a semiconductor body having an active region configured to generate electromagnetic radiation and a coupling-out surface along a main radiation direction, and a wavelength conversion element having conversion regions, the conversion regions optically separated from one another by metallic separators, wherein the wavelength conversion element is arranged downstream of the semiconductor body in the main radiation direction of the active region, wherein the active region comprises a plurality of independently controllable emission regions, and wherein the emission regions are at least partially aligned with the conversion regions and explicitly assigned to the conversion regions.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: April 19, 2022
    Assignee: OSRAM OLED GMBH
    Inventors: Britta Göötz, Norwin von Malm