Patents by Inventor Philipp KREUTER

Philipp KREUTER 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: 20220254957
    Abstract: In an embodiment a method for manufacturing a semiconductor device include providing a growth substrate, depositing an n-doped first layer, depositing an active region on the n-doped first layer, depositing a second layer onto the active region, depositing magnesium (Mg) in the second layer and subsequently to depositing Mg, depositing zinc (Zn) in the second layer such that a concentration of Zn in the second layer decreases from a first value to a second value in a first area of the second layer adjacent to the active region, the first area being in a range of 5 nm to 200 nm.
    Type: Application
    Filed: May 19, 2020
    Publication date: August 11, 2022
    Inventors: Philipp Kreuter, Andreas Biebersdorf, Christoph Klemp, Jens Ebbecke, Ines Pietzonka, Petrus Sundgren
  • Publication number: 20220238752
    Abstract: Embodiments provide a method for treating a semiconductor wafer comprising a set of aluminum gallium indium phosphide light emitting diodes (AlGaInP-LEDs) to increase a light generating efficiency of the AlGaInP-LEDs, wherein each AlGaInP-LED includes a core active layer for light generation sandwiched between two outer layers, the core active layer having a central light generating area and a peripheral edge surrounding the central light generating area, wherein the method includes treating the peripheral edge of the core active layer of each AlGaInP-LED with a laser beam thereby increasing a minimum band gap in each peripheral edge to such an extent that, during operation of the AlGaInP-LED, an electron-hole recombination is essentially confined to the central light generating area.
    Type: Application
    Filed: May 19, 2020
    Publication date: July 28, 2022
    Inventors: Jens Ebbecke, Philipp Kreuter, Christoph Klemp, Andreas Biebersdorf, Ines Pietzonka, Petrus Sundgren
  • Patent number: 11309459
    Abstract: An optoelectronic semiconductor device includes a semiconductor layer sequence including an active zone that generates radiation by electroluminescence; a p-electrode and an n-electrode; an electrically insulating passivation layer on side surfaces of the semiconductor layer sequence; and an edge field generating device on the side surfaces on a side of the passivation layer facing away from the semiconductor layer sequence at the active zone, wherein the edge field generating device is configured to generate an electric field at least temporarily in an edge region of the active zone so that, during operation, a current flow through the semiconductor layer sequence is controllable in the edge region.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: April 19, 2022
    Assignee: OSRAM OLED GmbH
    Inventors: Clemens Vierheilig, Philipp Kreuter, Rainer Hartmann, Michael Binder, Tobias Meyer
  • Publication number: 20210351228
    Abstract: A light-emitting device includes a multiplicity of light-emitting modules arranged on a first substrate. Each light-emitting module of the multiplicity of light-emitting modules includes a multiplicity of light-emitting components arranged on a second substrate. The second substrate is electrically connected to the first substrate, and includes a common primary lens for the multiplicity of light-emitting components.
    Type: Application
    Filed: December 7, 2018
    Publication date: November 11, 2021
    Inventors: Meik WECKBECKER, Vincent GROLIER, Philipp KREUTER, Florian BOESL, Michael JOBST
  • Patent number: 10763238
    Abstract: A method of aligning semiconductor chips in a medium includes providing an electrically insulating liquid medium; providing semiconductor chips; forming a suspension with the medium and the semiconductor chips; exposing the semiconductor chips to electromagnetic radiation that generates free charge carriers in the semiconductor chips; arranging the suspension in an electric field in which the semiconductor chips are aligned along the electric field; and curing the medium after aligning the semiconductor chips.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: September 1, 2020
    Assignee: OSRAM OLED GmbH
    Inventors: Philipp Kreuter, Andreas Biebersdorf, Christoph Klemp, Jens Ebbecke, Ines Pietzonka, Petrus Sundgren
  • Publication number: 20200044117
    Abstract: An optoelectronic semiconductor device includes a semiconductor layer sequence including an active zone that generates radiation by electroluminescence; a p-electrode and an n-electrode; an electrically insulating passivation layer on side surfaces of the semiconductor layer sequence; and an edge field generating device on the side surfaces on a side of the passivation layer facing away from the semiconductor layer sequence at the active zone, wherein the edge field generating device is configured to generate an electric field at least temporarily in an edge region of the active zone so that, during operation, a current flow through the semiconductor layer sequence is controllable in the edge region.
    Type: Application
    Filed: April 16, 2018
    Publication date: February 6, 2020
    Inventors: Clemens Vierheilig, Philipp Kreuter, Rainer Hartmann, Michael Binder, Tobias Meyer
  • Publication number: 20190214364
    Abstract: A method of aligning semiconductor chips in a medium includes providing an electrically insulating liquid medium; providing semiconductor chips; forming a suspension with the medium and the semiconductor chips; exposing the semiconductor chips to electromagnetic radiation that generates free charge carriers in the semiconductor chips; arranging the suspension in an electric field in which the semiconductor chips are aligned along the electric field; and curing the medium after aligning the semiconductor chips.
    Type: Application
    Filed: August 30, 2017
    Publication date: July 11, 2019
    Inventors: Philipp Kreuter, Andreas Biebersdorf, Christoph Klemp, Jens Ebbecke, Ines Pietzonka, Petrus Sundgren
  • Patent number: 10347792
    Abstract: An optoelectronic component is disclosed. In an embodiment the component includes a semiconductor layer sequence with a first layer, a second layer and an active layer arranged between the first and second layer, wherein the active layer directly borders the first and second layer, a radiation surface directly bordering the second layer, one or more contact isles for electrically contacting the first layer and one or more through-connections for electrically contacting of the second layer, wherein the through-connections are formed through the first layer and the active layer and open into the second layer, wherein the contact isles are located laterally next to one another directly on a rear side of the first layer facing away from the radiation surface, wherein the through-connections are arranged in regions between the contact isles in a top view of the rear side.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: July 9, 2019
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Philipp Kreuter, Tansen Varghese, Wolfgang Schmid, Markus Bröll
  • Publication number: 20190131495
    Abstract: An optoelectronic component is disclosed. In an embodiment the component includes a semiconductor layer sequence with a first layer, a second layer and an active layer arranged between the first and second layer, wherein the active layer directly borders the first and second layer, a radiation surface directly bordering the second layer, one or more contact isles for electrically contacting the first layer and one or more through-connections for electrically contacting of the second layer, wherein the through-connections are formed through the first layer and the active layer and open into the second layer, wherein the contact isles are located laterally next to one another directly on a rear side of the first layer facing away from the radiation surface, wherein the through-connections are arranged in regions between the contact isles in a top view of the rear side.
    Type: Application
    Filed: July 7, 2016
    Publication date: May 2, 2019
    Inventors: Philipp Kreuter, Tansen Varghese, Wolfgang Schmid, Markus Bröll
  • Patent number: 10074766
    Abstract: A method for producing a plurality of semiconductor components (1) is provided, comprising the following steps: a) providing a semiconductor layer sequence (2) having a first semiconductor layer (21), a second semiconductor layer (22) and an active region (25), said active region being arranged between the first semiconductor layer and the second semiconductor layer for generating and/or receiving radiation; b) forming a first connection layer (31) on the side of the second connection layer facing away from the first semiconductor layer; c) forming a plurality of cut-outs (29) through the semiconductor layer sequence; d) forming a conducting layer (4) in the cut-outs for establishing an electrically conductive connection between the first semiconductor layer and the first connection layer; and e) separating into the plurality of semiconductor components, wherein a semiconductor body (20) having at least one of the plurality of cut-outs arises from the semiconductor layer sequence for each semiconductor compon
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: September 11, 2018
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Norwin Von Malm, Alexander F. Pfeuffer, Tansen Varghese, Philipp Kreuter
  • Publication number: 20180212107
    Abstract: An optoelectronic semiconductor chip is disclosed. In an embodiment, the chip includes a semiconductor layer sequence with a first side, a second side and an active zone and at least one via electrically contacting the first side with the second side through the active zone, wherein the via has a base region including a cylinder, a truncated cone or a truncated pyramid, wherein the via is surrounded in a lateral direction by an electric insulation layer, wherein the via has a contact region including a truncated cone, a truncated pyramid, or a spherical or aspherical body, wherein the contract region directly follows the base region, wherein the contact region is in direct contact with the second side, wherein a first flank angle of the base region is different from a second flank angle of the contact region, and wherein the first and second flank angles are related to the lateral direction.
    Type: Application
    Filed: July 7, 2016
    Publication date: July 26, 2018
    Applicants: OSRAM Opto Semiconductors GmbH, OSRAM Opto Semiconductors GmbH
    Inventors: Philipp Kreuter, Markus Bröll, Jens Müller
  • Publication number: 20180047873
    Abstract: A radiation body and a method for producing a radiation body are disclosed. In an embodiment, the radiation body includes a basic body configured to generate or absorb electromagnetic radiation, at least one main side having a rough structure of first elevations and at least one structured radiation surface structured with a fine structure of second elevations, wherein the fine structure brings about a gradual refractive index change for the radiation between materials adjoining the structured radiation surface, wherein the first elevations comprise heights and widths in each case of at least ?max/n, wherein each second elevation tapers toward a maximum of the respective second elevation and each second elevations has a height of at least 0.6·?max/n and a width of ?max/(2n) at most in each case, and wherein a distance between neighboring second elevations is ?max/(2n) at most.
    Type: Application
    Filed: February 17, 2016
    Publication date: February 15, 2018
    Inventors: Philipp KREUTER, Tansen VARGHESE
  • Publication number: 20180018940
    Abstract: A method of adapting emitted radiation from light-emitting diodes in pixels of a display apparatus, wherein the display apparatus has a multiplicity of pixels each arranged for adjustable emitted radiation of mixed light, the pixels each include at least two light-emitting diodes and, in operation, the light-emitting diodes emit in various colors so that the mixed light is composed of light of these light-emitting diodes, at least some of the pixels each include at least one light-emitting diode, which at least intermittently is operated as a photodetector and measures a brightness, by the measured brightness, an emittance of each of the affected light-emitting diodes or of the affected pixel is ascertained, and the light-emitting diodes are triggered in accordance with the ascertained emittance so that aging of the light-emitting diodes is at least partly compensated for.
    Type: Application
    Filed: July 10, 2017
    Publication date: January 18, 2018
    Inventors: Andreas Biebersdorf, Philipp Kreuter, Christoph Klemp, Jens Ebbecke, Ines Pietzonka, Petrus Sundgren
  • Publication number: 20170062351
    Abstract: A method for producing a plurality of semiconductor components (1) is provided, comprising the following steps: a) providing a semiconductor layer sequence (2) having a first semiconductor layer (21), a second semiconductor layer (22) and an active region (25), said active region being arranged between the first semiconductor layer and the second semiconductor layer for generating and/or receiving radiation; b) forming a first connection layer (31) on the side of the second connection layer facing away from the first semiconductor layer; c) forming a plurality of cut-outs (29) through the semiconductor layer sequence; d) forming a conducting layer (4) in the cut-outs for establishing an electrically conductive connection between the first semiconductor layer and the first connection layer; and e) separating into the plurality of semiconductor components, wherein a semiconductor body (20) having at least one of the plurality of cut-outs arises from the semiconductor layer sequence for each semiconductor compon
    Type: Application
    Filed: February 17, 2015
    Publication date: March 2, 2017
    Applicant: OSRAM Opto Semiconductors GmbH
    Inventors: Norwin VON MALM, Alexander F. PFEUFFER, Tansen VARGHESE, Philipp KREUTER