Patents Assigned to Osram Opto Semiconductor GmbH
  • Light-emitting device and method of producing a light-emitting device
    Patent number: 11362240
    Abstract: The invention refers to a light emitting device including a semiconductor chip having a main radiation surface, which emits UV light in operation, a phosphor, which is arranged in the radiation beam of the UV light, absorbs partially the UV light, wherein the phosphor converts the UV light into visible light so that the device emits mixed light comprising the UV light as well as visible light.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: June 14, 2022
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Choon Kim Lim, Choo Kean Lim, Hui Chiang Teoh
  • Optoelectronic module, method for operating an optoelectronic module and head-mounted display
    Patent number: 11353726
    Abstract: An optoelectronic module comprising at least one semiconductor laser and a photonic chip is described herein. The semiconductor laser emits a primary electromagnetic radiation which is coupled into the photonic chip. The photonic chip comprises at least one first waveguide and at least one optical Bragg reflector having a reflectivity which is modulated by an electrical modulation signal. A secondary electromagnetic radiation is coupled out of the photonic chip by means of at least one second waveguide, wherein the secondary electromagnetic radiation has a dominant wavelength which is modulated in dependence of the electrical modulation signal. Further, a method for operating an optoelectronic module and a Head-Mounted Display comprising an optoelectronic module are provided.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: June 7, 2022
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Martin Rudolf Behringer, Hubert Halbritter, Ann Russell
  • Optoelectronic device and method of producing an optoelectronic device
    Patent number: 11349051
    Abstract: An optoelectronic device and a method of producing an optoelectronic device are disclosed. In an embodiment an optoelectronic device includes components including an active layer stack, a housing and electrical contacts and at least one protective layer on a surface of at least one of the components, wherein the at least one protective layer includes a cross-linked material with a three-dimensional polysiloxane-based network.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: May 31, 2022
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Alan Piquette, Maxim N. Tchoul, Mary Ann Johnson, Gertrud Kräuter
  • Optoelectronic device comprising a phosphor plate and method of manufacturing the optoelectronic device
    Patent number: 11348906
    Abstract: An optoelectronic device comprises a phosphor plate, an optoelectronic chip comprising a layer stack of a first optoelectronic semiconductor layer and a second optoelectronic semiconductor layer, a first electrode, and a second electrode. The optoelectronic chip is attached to the phosphor plate, so that the second optoelectronic semiconductor layer is arranged between the phosphor plate and the first optoelectronic semiconductor layer. The first electrode and the second electrode are arranged on a first main surface of the first optoelectronic semiconductor layer on a side remote from the phosphor plate. The second electrode directly contacts the first optoelectronic semiconductor layer.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: May 31, 2022
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventor: Choon Kim Lim
  • Production of a chip module
    Patent number: 11329030
    Abstract: A method of producing a chip module includes providing a carrier; arranging semiconductor chips on the carrier; applying an electrically insulating material on the carrier; and structuring the carrier such that the chip module is provided, wherein the chip module includes separate carrier sections produced by structuring the carrier, the carrier sections of the chip module connected by the electrically insulating material.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: May 10, 2022
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventor: Heng Keong Yip
  • Component with a reflective housing and method for producing such a component
    Patent number: 11302851
    Abstract: In one embodiment, the component comprises a light reflective housing. The housing comprises a matrix material of a light-transmittive plastic and particles of a glass ceramic embedded therein. The particles comprise a mean diameter of at least 5 ?m. The particles comprise a glass matrix and crystallites. A refractive index difference between the glass matrix and the crystallites is at least 0.5, and the crystallites exhibit a mean diameter between 20 nm and 0.5 ?m, inclusive.
    Type: Grant
    Filed: November 28, 2019
    Date of Patent: April 12, 2022
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventor: Claudia Jurenka
  • U-led, u-led device, display and method for the same
    Patent number: 11302248
    Abstract: The invention relates to various aspects of a ?-LED or a ?-LED array for augmented reality or lighting applications, in particular in the automotive field. The ?-LED is characterized by particularly small dimensions in the range of a few ?m.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: April 12, 2022
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventor: Hubert Halbritter
  • Metalens Array and Vertical Cavity Surface Emitting Laser Systems and Methods
    Publication number: 20220109287
    Abstract: The present disclosure is directed to systems and methods useful for providing a low profile metalens array that provides a relatively uniform far-field illumination in the visible and/or near-infrared electromagnetic spectrum using a plurality of vertical cavity surface emitting lasers (VCSELs) disposed a distance from a plurality of metalenses forming a metalens array, in which the VCSELs are decorrelated from the metalenses forming the metalens array.
    Type: Application
    Filed: October 1, 2020
    Publication date: April 7, 2022
    Applicants: Vixar, Inc., OSRAM Opto Semiconductors GmbH
    Inventors: Alan Lenef, Fabian Knorr, Klein Johnson, Dadi Setiadi, Maryam Khodami
  • Phosphor, method for producing a phosphor and use of a phosphor
    Patent number: 11292965
    Abstract: A phosphor and a method for making the phosphor are disclosed. In an embodiment a phosphor for emission of red light includes Sr(SraCa1-a)Si2Al2N6:Eu, wherein x is 0.8<x?1, wherein between 0.1% and 5% inclusive of the Sr, Ca and/or Sr/Ca lattice sites are replaced by Eu, wherein the parameter value a is between 0.6 and 1.0 inclusive, wherein the phosphor has a structure comprising (Si/Al)N4 tetrahedra arranged in a 3D network, in which layers in an a-c plane are linked in a b-direction, and wherein pure Sr positions and positions having a mixed Sr/Ca population are intercalated between the network, layer by layer.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: April 5, 2022
    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
  • Aperiodic nano-optical array for angular shaping of incoherent emissions
    Patent number: 11294195
    Abstract: Disclosed herein are a number of dielectric pillars, arranged to form a close-packed aperiodic array, such as a Vogel spiral, where the geometries of the aperiodic array produce azimuthally isotropic scattering of luminescence within a restricted angular cone of extraction. The aperiodic array can be formed, attached or placed on a converting material, such as, phosphor, to restrict emission to within the angular cone of extraction. The phosphor could be part of a converting illumination device, such as a phosphor coated light emitting diode, or a laser activated remote phosphor converting device.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: April 5, 2022
    Assignees: OSRAM Opto Semiconductors GmbH, Trustees of Boston University
    Inventors: Luca Dal Negro, Alan Lenef, Madis Raukas, Sean Gorsky, Ran Zhang
  • Method for Producing A Component, and Component
    Publication number: 20220077067
    Abstract: In an embodiment a component includes a semiconductor chip, a connection member and a carrier, wherein the semiconductor chip is mechanically and electrically connected to the carrier via the connection member, wherein the connection member includes a contiguous metallic connecting layer and a plurality of metallic through-vias extending vertically through the connecting layer and being laterally spaced from the connecting layer by insulating regions, wherein the insulating regions are filled with a gaseous medium and are hermetically sealed, and wherein the gaseous medium contains an insulating gas having a higher breakdown field strength compared to nitrogen, or wherein a gas pressure is less than 1 mbar in the hermetically sealed insulating regions.
    Type: Application
    Filed: January 10, 2020
    Publication date: March 10, 2022
    Applicant: OSRAM Opto Semiconductors GmbH
    Inventor: Andreas Plößl
  • Light-emitting device with wavelenght conversion layer having quantum dots
    Patent number: 11271141
    Abstract: A light-emitting device including a light-emitting semiconductor chip having a semiconductor layer sequence having at least one light-emitting semiconductor layer and a light-outcoupling surface, the light-emitting device further including a wavelength conversion layer arranged on the light-outcoupling surface, the wavelength conversion layer including quantum dots.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: March 8, 2022
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Maria J. Anc, Darshan Kundaliya, Madis Raukas, David O'Brien
  • ?-LED, ?-LED device, display and method for the same
    Patent number: 11271143
    Abstract: The invention relates to various aspects of a ?-LED or a ?-LED array for augmented reality or lighting applications, in particular in the automotive field. The ?-LED is characterized by particularly small dimensions in the range of a few ?m.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: March 8, 2022
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Laura Kreiner, Andreas Leber, Siegfried Herrmann, Christine Rafael, Eva-Maria Rummel, Nicole Heitzer, Marie Assmann
  • Process of manufacturing a conversion element, conversion element and light emitting device comprising the conversion element
    Patent number: 11254865
    Abstract: A method of manufacturing a conversion element is disclosed. A precursor material is selected from one or more of lutetium, aluminum and a rare-earth element. The precursor material is mixed with a binder and a solvent to obtain a slurry. A green body is formed from the slurry and the green body is sintered to obtain the conversion element. The sintering is performed at a temperature of more than 1720° C.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: February 22, 2022
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Darshan Kundaliya, Jeffery J. Serre, James Avallon, Kathleen A. Lawson
  • Optoelectronic semiconductor component
    Patent number: 11239386
    Abstract: An optoelectronic semiconductor component includes an optoelectronic semiconductor chip having a top area at a top side, a bottom area at an underside, side areas connecting the top area and the bottom area, and epitaxially produced layers; electrical n- and p-side contacts at the bottom area of the optoelectronic semiconductor chip; and an electrically insulating shaped body, wherein the shaped body surrounds the optoelectronic semiconductor chip at its side areas, and the epitaxially produced layers are free from the shaped body.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: February 1, 2022
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Karl Weidner, Ralph Wirth, Axel Kaltenbacher, Walter Wegleiter, Bernd Barchmann, Oliver Wutz, Jan Marfeld
  • Optoelectronic light source
    Patent number: 11226082
    Abstract: An optoelectronic light source includes a semiconductor laser configured to produce polarized primary radiation, a converter material configured to absorb at least part of the primary radiation and convert the primary radiation into a secondary radiation of an increased wavelength, a planar multi-layered mirror located between the semiconductor laser and the converter material, the multi-layered mirror configured to transmit the primary radiation and reflect the secondary radiation, and an optical element provided between the semiconductor laser and the multi-layered mirror, wherein the optical element is configured such that the primary radiation coming from the semiconductor laser impinges on the multi-layered mirror at a Brewster angle.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: January 18, 2022
    Assignees: OSRAM Opto Semiconductors GmbH, The Research Foundation for State University of New York
    Inventors: Alan Lenef, David Klotzkin, Xin Wen
  • Method for forming a composite having semiconductor structures including a nanocrystalline core and shell embedded in a matrix
    Patent number: 11205741
    Abstract: Semiconductor structures having a nanocrystalline core and corresponding nanocrystalline shell and insulator coating, wherein the semiconductor structure includes an anisotropic nanocrystalline core composed of a first semiconductor material, and an anisotropic nanocrystalline shell composed of a second, different, semiconductor material surrounding the anisotropic nanocrystalline core. The anisotropic nanocrystalline core and the anisotropic nanocrystalline shell form a quantum dot. An insulator layer encapsulates the nanocrystalline shell and anisotropic nanocrystalline core.
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: December 21, 2021
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Juanita Kurtin, Brian Theobald, Matthew J. Carillo, Oun-Ho Park, Georgeta Masson, Steven M. Hughes
  • Ambient light and noise cancelling device
    Patent number: 11199445
    Abstract: A device for cancelling undesired fractions in a detected signal may include a first region having an output node and including a light sensitive sensor configured to detect a first signal and an analogue to digital converter coupled to the output node. A second region may be switchably coupled to the first region based on a first control signal to the first region. The second region may include a storage device configured to store a signal based on the detection of the first signal. The second region may include an output node coupled to the sensor. The second may be configured to provide a compensation signal based on the stored signal to the light sensitive sensor during detection of a second signal.
    Type: Grant
    Filed: October 9, 2020
    Date of Patent: December 14, 2021
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventor: Hoa Vu
  • Ambient light detector, detector array and method
    Patent number: 11199442
    Abstract: An ambient light detector, a detector array and a method are disclosed. An ambient light sensor includes a first plurality of sensor elements, where each sensor element is configured to provide a signal in response to a level of illumination and a second plurality of reference elements, each reference element configured to provide a reference signal and each including a blocking element configured to shield the respective reference element from being illuminated, where the first plurality is larger than the second plurality and the first plurality of sensor elements and the second plurality of reference elements are arranged in an array, and where a sensor element and a reference element are laterally arranged on or in a common layer substrate sharing at least one common first contact.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: December 14, 2021
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Hoa Vu, Andrey Lysov
  • Sensor Device
    Publication number: 20210349016
    Abstract: In an embodiment a sensor device includes a first optoelectronic emitter configured to irradiate a spot with electromagnetic rays, a second optoelectronic emitter configured to irradiate the spot with electromagnetic rays, a detector configured to detect electromagnetic rays from the first and second emitters reflected at or transmitted through the spot, wherein the electromagnetic rays of the first emitter have a wavelength in a range of 1400-1500 nm, wherein the electromagnetic rays of the second emitter have a wavelength in a range of 900-1100 nm, and wherein the second emitter is configured to emit at least one further electromagnetic signal, the one further electromagnetic signal not being used for measuring a humidity.
    Type: Application
    Filed: September 20, 2019
    Publication date: November 11, 2021
    Applicant: OSRAM Opto Semiconductors GmbH
    Inventors: Gerd Plechinger, Tim Boescke, Wolfgang Zinkl