Patents by Inventor Britta Göötz

Britta Göötz 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: 11018283
    Abstract: A method of producing optoelectronic semiconductor components including providing a primary light source having a carrier and a semiconductor layer sequence mounted thereon that generates primary light (B), wherein the semiconductor layer sequence is structured into a plurality of pixels that can be driven electrically independently of each other, and the carrier includes a plurality of control units that drive the pixels, providing at least one conversion unit adapted to convert the primary light (B) into at least one secondary light (G, R), wherein the conversion unit is grown continuously from at least one semiconductor material, structuring the conversion unit, wherein portions of the semiconductor material are removed in accordance with the pixels, and applying the conversion unit to the semiconductor layer sequence so that the remaining semiconductor material is uniquely assigned to a portion of the pixels.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: May 25, 2021
    Assignee: OSRAM OLED GmbH
    Inventors: Isabel Otto, Alexander F. Pfeuffer, Britta Göötz, Norwin von Malm
  • Publication number: 20210126155
    Abstract: A method for producing a component and an optoelectronic component are disclosed. In an embodiment a method for producing a component includes providing an auxiliary carrier having a base body and a grid, providing a semiconductor body having an active zone for generating electromagnetic radiation, bonding the auxiliary carrier to the semiconductor body, wherein the grid is formed in the base body prior to the bonding and has a plurality of openings, and wherein after bonding, the base body is removed for exposing the grid and forming a converter layer by at least partially filling the openings of the grid, the converter layer for converting the electromagnetic radiation with respect to its peak wavelength.
    Type: Application
    Filed: July 29, 2019
    Publication date: April 29, 2021
    Applicants: OSRAM OLED GmbH, OSRAM OLED GmbH
    Inventors: Alexander Pfeuffer, Britta Göötz, Jens Müller
  • Publication number: 20210020620
    Abstract: Optoelectronic components are described that may include a plurality of light-emitting regions arranged on a carrier substrate. Microwires may project relative to a main surface of the carrier substrate. A plurality of microwires may be arranged between each pair of adjacent light-emitting regions. The light-emitting regions may each be surrounded by rows of microwires.
    Type: Application
    Filed: March 13, 2019
    Publication date: January 21, 2021
    Inventors: Britta GOEOETZ, Frank SINGER
  • Publication number: 20210013381
    Abstract: A light emitting device is disclosed. In an embodiment a light-emitting device includes a pixel comprising at least three sub-pixels, wherein a first sub-pixel includes a first conversion element having a green phosphor, wherein a second sub-pixel includes a second conversion element having a red phosphor and wherein a third sub-pixel is free of a conversion element, the third sub-pixel configured to emit blue primary radiation, wherein each sub-pixel has an edge length of at most 100 ?m, and wherein the light-emitting device is configured to enhance a gamut coverage of an emitted radiation.
    Type: Application
    Filed: July 8, 2019
    Publication date: January 14, 2021
    Inventors: Benjamin Daniel Mangum, David O'Brien, Britta Göötz
  • Publication number: 20200343419
    Abstract: An optoelectronic semiconductor chip, a method for manufacturing an optoelectronic component and an optoelectronic component are disclosed. In an embodiment an optoelectronic semiconductor chip includes a semiconductor layer sequence having an emission side, the emission side comprising a plurality of emission fields, partition walls on the emission side in a region between two adjacent emission fields and a conversion element on one or more emission fields, wherein the conversion element includes a matrix material with first phosphor particles incorporated therein, wherein the first phosphor particles are sedimented in the matrix material such that a mass fraction of the first phosphor particles is greater in a lower region of the conversion element facing the semiconductor layer sequence than in a remaining region of the conversion element, and wherein the partition walls are attached to the emission side without any additional connectors.
    Type: Application
    Filed: January 24, 2019
    Publication date: October 29, 2020
    Inventors: Britta Göötz, Matthias Hien, Andreas Dobner, Peter Brick, Matthias Goldbach, Uli Hiller, Sebastian Stigler
  • Publication number: 20200303600
    Abstract: An optoelectronic component and a method for manufacturing an optoelectronic component are disclosed. In an embodiment an optoelectronic component includes a diffractive optical element comprising at least one conversion material and a light source configured to emit primary radiation, wherein the conversion material is encapsulated in the diffractive optical element, and wherein the conversion material is arranged in a beam path of the primary radiation and is configured to convert the primary radiation at least partially into secondary radiation.
    Type: Application
    Filed: April 19, 2018
    Publication date: September 24, 2020
    Inventors: Britta Göötz, Hubert Halbritter
  • Patent number: 10770506
    Abstract: In at least one embodiment, the method is designed for producing a light-emitting diode display (1). The method comprises the following steps: •A) providing a growth substrate (2); •B) applying a buffer layer (4) directly or indirectly onto a substrate surface (20); •C) producing a plurality of separate growth points (45) on or at the buffer layer (4); •D) producing individual radiation-active islands (5), originating from the growth points (45), wherein the islands (5) each comprise an inorganic semiconductor layer sequence (50) with at least one active zone (55) and have a mean diameter, when viewed from above onto the substrate surface (20), between 50 nm and 20 ?m inclusive; and •E) connecting the islands (5) to transistors (6) for electrically controlling the islands (5).
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: September 8, 2020
    Assignee: OSRAM OLED GMBH
    Inventors: Norwin Von Malm, Martin Mandl, Alexander F. Pfeuffer, Britta Goeoetz
  • Publication number: 20200243728
    Abstract: An optoelectronic semiconductor chip may include an active region configured to emit electromagnetic radiation during operation of said optoelectronic semiconductor chip. The optoelectronic semiconductor chip comprises conversion elements arranged to convert the wavelength of the electromagnetic radiation emitted by the active region during operation, and at least one barrier at least partially impermeable to the electromagnetic radiation emitted by the active region. The barrier is disposed in a lateral direction between the conversion elements, the lateral direction being parallel to the main extension plane of the semiconductor body, and the barrier extending transversely to the lateral direction. The active region has at least two emission regions which can be driven separately from each other, and each of the conversion elements is disposed in a radiation direction of the electromagnetic radiation emitted from one of the emission regions.
    Type: Application
    Filed: October 16, 2018
    Publication date: July 30, 2020
    Inventors: David O'Brien, Desiree Queren, David Racz, Britta Goeoetz, Michael Schumann
  • 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
  • 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
  • Patent number: 10586827
    Abstract: An optoelectronic semiconductor component is specified that has a semiconductor chip having a main side, the main side comprising a plurality of emission fields that are arranged next to one another. The emission fields are individually and independently actuatable and, during operation, they are each used to couple radiation out of the semiconductor chip. The main side has reflective partitions mounted on it that are arranged between adjacent emission fields and at least partially surround the emission fields in a plan view of the main side. In addition, the main side has a conversion element mounted on it, having an underside, which faces the semiconductor chip, and an averted top. The partitions are formed from a different material from the semiconductor material of the semiconductor chip and jut out from the semiconductor chip in a direction away from the main side.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: March 10, 2020
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Britta Göötz, Walter Wegleiter, Stefan Grötsch
  • Patent number: 10573790
    Abstract: An optoelectronic arrangement having a radiation conversion element and a method for producing a radiation conversion element are disclosed. In an embodiment, an optoelectronic arrangement includes a semiconductor chip having an active region configured to generate radiation, a radiation conversion element arranged downstream of the semiconductor chip in an emission direction and a reflective polarization element arranged downstream of the radiation conversion element in the emission direction. The radiation conversion element has a plurality of conversion elements, each of which has an axis of symmetry, the spatial orientation of the axes of symmetry has a preferred direction and a radiation emitted by the radiation conversion element has a preferred polarization. The reflective polarization element largely allows radiation with the preferred polarization to pass through and largely reflects radiation polarized perpendicularly to the preferred polarization.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: February 25, 2020
    Assignee: OSRAM OLED GMBH
    Inventors: Wolfgang Mönch, Britta Göötz, Frank Singer, Martin Straßburg, Tilman Schimpke
  • Publication number: 20200051963
    Abstract: A method for producing an optoelectronic component and an optoelectronic component are disclosed. In an embodiment a method includes providing a semiconductor layer sequence comprising a plurality of pixels and an active layer, wherein the active layer is configured to emit a primary radiation in a blue region of an electromagnetic spectrum with a peak wavelength of between 420 nm inclusive and 480 nm inclusive, applying a first photoresist and a first converter material on the semiconductor layer sequence, exposing the first photoresist with radiation having the peak wavelength longer than the peak wavelength of the primary radiation, curing the first photoresist by polymerization in order to form a first converter layer comprising a matrix material and the first converter material and structuring the first converter layer.
    Type: Application
    Filed: April 10, 2018
    Publication date: February 13, 2020
    Inventor: Britta Göötz
  • Publication number: 20190386182
    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: Application
    Filed: January 25, 2018
    Publication date: December 19, 2019
    Inventors: Britta Göötz, Norwin von Malm
  • Patent number: 10488579
    Abstract: An optoelectronic arrangement and a lighting device are disclosed. In an embodiment the arrangement includes a semiconductor chip for generating radiation and a radiation conversion element located downstream of the semiconductor chip with respect to a radiation direction, wherein the radiation conversion element includes a plurality of conversion bodies each with a longitudinal extension axis, and wherein a spatial orientation of the longitudinal extension axes has a preferred direction.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: November 26, 2019
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Britta Goeoetz, Norwin von Malm, Dominik Schulten
  • Publication number: 20190355880
    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: Application
    Filed: May 15, 2019
    Publication date: November 21, 2019
    Inventors: Britta Göötz, Norwin von Malm
  • Patent number: 10483439
    Abstract: The invention relates to an optoelectronic component (10) comprising —a radiation-emitting semiconductor chip (2), —a conversion element (8) which is suitable for converting at least one part of the radiation (12) emitted by the semiconductor chip (2) into a converted radiation (13), said converted radiation (13) having a longer wavelength than the emitted radiation (12), and —a cover (9) which is permeable at least to the converted radiation (13) and which follows the conversion element (8) in a main emission direction, wherein —the conversion element (8) comprises a quantum dot converter material (7), —the conversion element (8) is arranged on a cover (9) inner face (15) facing the semiconductor chip, and —the cover has silicon (9) or consists of silicon.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: November 19, 2019
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Hubert Halbritter, Britta Göötz
  • Publication number: 20190312184
    Abstract: A method of producing optoelectronic semiconductor components including providing a primary light source having a carrier and a semiconductor layer sequence mounted thereon that generates primary light (B), wherein the semiconductor layer sequence is structured into a plurality of pixels that can be driven electrically independently of each other, and the carrier includes a plurality of control units that drive the pixels, providing at least one conversion unit adapted to convert the primary light (B) into at least one secondary light (G, R), wherein the conversion unit is grown continuously from at least one semiconductor material, structuring the conversion unit, wherein portions of the semiconductor material are removed in accordance with the pixels, and applying the conversion unit to the semiconductor layer sequence so that the remaining semiconductor material is uniquely assigned to a portion of the pixels.
    Type: Application
    Filed: October 25, 2017
    Publication date: October 10, 2019
    Inventors: Isabel Otto, Alexander F. Pfeuffer, Britta Göötz, Norwin von Malm
  • Patent number: 10418529
    Abstract: A conversion element includes a platelet including an inorganic glass, and first converter particles having a shell and a core, wherein the shell includes an inorganic material and the core includes a nitride or oxynitride luminescent material and the first converter particles are arranged on and/or in the platelet.
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: September 17, 2019
    Assignees: OSRAM Opto Semiconductors GmbH, OSRAM GmbH
    Inventors: Britta Göötz, Frank Singer, Roland Hüttinger
  • Publication number: 20190280168
    Abstract: An optoelectronic component and a lighting apparatus are disclosed. In an embodiment an optoelectronic component includes a carrier having an upper side and an underside opposite the upper side, an optoelectronic semiconductor chip arranged on the upper side of the carrier, the semiconductor chip configured to emit primary radiation during operation via one or more sides. The component further includes a first conversion layer having an inorganic phosphor on the semiconductor chip, the first conversion layer covering at least all radiation-emitting sides of the semiconductor chip not facing the carrier and a solid body in which an organic phosphor is distributed, wherein the solid body is arranged and fastened on the carrier and is at least in indirect contact with the carrier, and wherein the solid body is spaced from the radiation-emitting sides of the semiconductor chip at least by the first conversion layer and/or by the carrier.
    Type: Application
    Filed: March 6, 2019
    Publication date: September 12, 2019
    Inventors: Britta Göötz, Frank Singer