Patents by Inventor Andreas Plössl

Andreas Plössl 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: 11183621
    Abstract: A component may include a semiconductor chip, a buffer layer, a connecting layer, and a metal carrier. The semiconductor chip may include a substrate and a semiconductor body arranged thereon. The metal carrier may have a thermal expansion coefficient at least 1.5 times as great as a thermal expansion coefficient of the substrate or of the semiconductor chip. The chip may be fastened on the metal carrier by the connecting layer, and the buffer layer may have a yield stress ranging from 10 MPa. The buffer layer may have a thickness ranging from 2 um to 10 um and adjoin the chip. The substrate and the metal carrier may have a higher yield strength than the buffer layer.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: November 23, 2021
    Assignee: OSRAM OLED GMBH
    Inventors: Paola Altieri-Weimar, Ingo Neudecker, Andreas Ploessl, Marcus Zenger
  • Patent number: 11127890
    Abstract: The method for assembling a carrier comprises a step A), in which a plurality of pigments (100), each with an electronic component (1), is provided. Further, each pigment comprises a meltable solder material (2) directly adjoining a mounting side (10) of the component. At least 63% by volume of each pigment is formed by the solder material. The mounting side of each component has a higher wettability with the molten solder material than a top side (12) and a side surface (11) of the component. In a step B), a carrier (200) with pigment landing areas (201) is provided, the pigment landing areas having higher wettability with the molten solder material of the pigments than the regions laterally adjacent to the pigment landing areas and than the side surfaces and the top sides of the components. In a step C), the pigments are applied to the carrier. In a step D), the pigments are heated so that the solder material melts.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: September 21, 2021
    Assignee: OSRAM OLED GmbH
    Inventor: Andreas Ploessl
  • Patent number: 11081620
    Abstract: A method of producing a semiconductor component includes applying an auxiliary carrier at a first side of a semiconductor body, the auxiliary carrier having a first lateral coefficient of thermal expansion, and applying a connection carrier at a second side of the semiconductor body facing away from the auxiliary carrier, the connection carrier having a second lateral coefficient of thermal expansion, wherein the semiconductor body is grown on a growth substrate different from the auxiliary carrier, the first and the second lateral coefficient of thermal expansion differ by at most 50%, and the growth substrate is removed prior to application of the auxiliary carrier.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: August 3, 2021
    Assignee: OSRAM OLED GmbH
    Inventors: Andreas Plössl, Norwin von Malm, Dominik Scholz, Christoph Schwarzmaier, Martin Rudolf Behringer, Alexander F. Pfeuffer
  • Publication number: 20210223559
    Abstract: An optoelectronic component includes an optoelectronic semiconductor chip configured to emit electromagnetic radiation; an optically effective element arranged such that electromagnetic radiation emitted by the optoelectronic semiconductor chip passes through the optically effective element; and a housing, wherein the optoelectronic semiconductor chip is arranged in a cavity of the housing, the optically effective element includes a carrier, a first optically effective structure arranged on a top side of the carrier, and a cover arranged above the first optically effective structure.
    Type: Application
    Filed: April 1, 2021
    Publication date: July 22, 2021
    Inventors: Roland Enzmann, Hubert Halbritter, Markus Arzberger, Andreas Ploessl, Roland Schulz, Georg Rossbach, Bernd Boehm, Frank Singer, Matthias Sabathil
  • Patent number: 11069663
    Abstract: A method of producing an optoelectronic semiconductor component includes A) providing at least three source substrates, wherein each of the source substrates is equipped with a specific type of radiation-emitting semiconductor chips, B) providing a target substrate having a mounting plane configured to mount the semiconductor chips thereto, C) forming platforms on the target substrate, and D) transferring at least some of the semiconductor chips with a wafer-to-wafer process from the source substrates onto the target substrate so that the semiconductor chips transferred to the target substrate maintain their relative position with respect to one another, within the types of semiconductor chips, wherein on the target substrate the semiconductor chips of each type of semiconductor chips have a specific height above the mounting plane due to the platforms so that the semiconductor chips of different types of semiconductor chips have different heights.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: July 20, 2021
    Assignee: OSRAM OLED GmbH
    Inventors: Andreas Plößl, Siegfried Herrmann, Martin Rudolf Behringer, Frank Singer, Thomas Schwarz, Alexander F. Pfeuffer
  • Publication number: 20210183834
    Abstract: A component assembly includes an intermediate carrier, a plurality of components and a plurality of anchoring elements. The components have at least two electrical devices and an insulating layer. At least one of the electrical devices is an optoelectronic semiconductor chip. The insulating layer is between the electrical devices of a same component. The at least two electrical devices of the same component are arranged next to one another and enclosed laterally by the insulating layer. The at least two electrical devices and the insulating layer of the same component are integral parts of a self-supporting and mechanically stable unit. The self-supporting and mechanically stable unit and the anchoring elements fix the positions of the components on the intermediate carrier. The components that are self-supporting and mechanically stable units are detachable from the intermediate carrier, and the anchoring elements release the components under mechanical load when the latter are removed.
    Type: Application
    Filed: November 6, 2018
    Publication date: June 17, 2021
    Inventors: Tilman RÜGHEIMER, Thomas SCHWARZ, Lutz HÖPPEL, Andreas PLÖßL, Alexander F. PFEUFFER
  • Patent number: 10996482
    Abstract: An optically effective element includes a carrier, a first optically effective structure arranged on a top side of the carrier, and a cover arranged above the first optically effective structure. A method of producing an optically effective element includes providing a carrier, forming a first optically effective structure on a top side of the carrier, and arranging a cover above the top side of the carrier and the first optically effective structure.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: May 4, 2021
    Assignee: OSRAM OLED GmbH
    Inventors: Roland Enzmann, Hubert Halbritter, Markus Arzberger, Andreas Ploessl, Roland Schulz, Georg Rossbach, Bernd Boehm, Frank Singer, Matthias Sabathil
  • Patent number: 10991845
    Abstract: A method for producing an optoelectronic semiconductor component and an optoelectronic semiconductor component are disclosed. In an embodiment the method include A) providing at least two source substrates, wherein each of the source substrates is equipped with a specific type of radiation-emitting semiconductor chip; B) providing a target substrate having a mounting plane, the mounting plane being configured for mounting the semiconductor chip; and C) transferring at least part of the semiconductor chips with a wafer-to-wafer process from the source substrates onto the target substrate so that the semiconductor chips, within one type, maintain their relative position with respect to one another, so that each type of semiconductor chips arranged on the target substrate has a different height above the mounting plane, wherein the semiconductor chips are at least one of at least partially stacked one above the other or at least partially applied to at least one casting layer.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: April 27, 2021
    Assignee: OSRAM OLED GMBH
    Inventors: Andreas Plößl, Siegfried Herrmann, Martin Rudolf Behringer, Frank Singer, Thomas Schwarz
  • Patent number: 10991683
    Abstract: A method of manufacturing an optoelectronic component includes: A) providing a substrate, B) providing a metallic liquid arranged in a structured manner and in direct mechanical contact on the substrate and including at least one first metal, C) providing semiconductor chips each having a metallic termination layer on their rear side, the metallic termination layer including at least one second metal different from the first metal, and D) self-organized arranging the semiconductor chips on the metallic liquid so that the first metal and the second metal form at least one intermetallic compound having a higher re-melting temperature than the melting temperature of the metallic liquid, wherein the intermetallic compound is a connecting layer between the substrate and the semiconductor chips.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: April 27, 2021
    Assignee: OSRAM OLED GmbH
    Inventors: Norwin von Malm, Andreas Plössl
  • Patent number: 10854804
    Abstract: A light-emitting component includes a light-emitting chip and a housing including a plastic body and a reflector, the reflector includes an electrically conductive layer, the light-emitting chip includes a top side and an underside, the underside of the light-emitting chip is arranged on the plastic body, an electrical terminal on the top side of the light-emitting chip electrically conductively connects to the reflector by a bond wire, the underside of the light-emitting chip and the reflector are electrically insulated from one another, a conduction region is provided within the plastic body, thermal conductivity of the conduction region is greater than thermal conductivity of the plastic body, the conduction region adjoins the underside of the light-emitting chip, and the conduction region extends from the side of the plastic body facing the light-emitting chip as far as the side of the plastic body facing away from the light-emitting chip.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: December 1, 2020
    Assignee: OSRAM OLED GmbH
    Inventors: Martin Haushalter, Frank Singer, Thomas Schwarz, Andreas Ploessl
  • Patent number: 10833219
    Abstract: An epitaxial conversion element, a method for producing an epitaxial conversion element, a radiation emitting RGB unit and a method for producing a radiation emitting RGB unit are disclosed. In an embodiment an epitaxial conversion element includes a green converting epitaxial layer configured to convert electromagnetic radiation from a blue spectral range into electromagnetic radiation of a green spectral range and a red converting epitaxial layer configured to convert electromagnetic radiation from the blue spectral range into electromagnetic radiation of a red spectral range, wherein the green converting epitaxial layer and the red converting epitaxial layer are based on a phosphide compound semiconductor material, and wherein the green converting epitaxial layer and the red converting epitaxial layer are in different main extension planes which are parallel to each other.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: November 10, 2020
    Assignee: OSRAM OLED GMBH
    Inventors: Alexander Tonkikh, Andreas Plößl
  • Patent number: 10797469
    Abstract: A semiconductor laser and a method for producing such a semiconductor laser are disclosed. In an embodiment a semiconductor laser has at least one surface-emitting semiconductor laser chip including a semiconductor layer sequence having at least one active zone configured to generate laser radiation and a light exit surface oriented perpendicular to a growth direction of the semiconductor layer sequence. The laser further includes a diffractive optical element configured to expand and distribute the laser radiation, wherein an optically active structure of the diffractive optical element is made of a material having a refractive index of at least 1.65 regarding a wavelength of maximum intensity of the laser radiation; and a connector engaging at least in places into the optically active structure and completely filling the optically active structure at least in places.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: October 6, 2020
    Assignee: OSRAM OLED GMBH
    Inventors: Hubert Halbritter, Andreas Plößl, Roland Heinrich Enzmann, Martin Rudolf Behringer
  • Publication number: 20200287111
    Abstract: The invention relates to a method for producing optoelectronic components. The invention comprises: provision of a metal substrate, the substrate having a front side and a rear side opposite the front side; front-side removal of substrate material such that the substrate comprises substrate sections protruding in the region of the front side and recesses arranged there between; formation of a plastic body adjacent to substrate sections; arrangement of optoelectronic semiconductor chips on substrate sections; rear-side removal of substrate material in the region of the recesses, such that the substrate is structured into separate substrate sections; and performance of a separation process. The plastic body is divided into separate substrate sections and individual optoelectronic components with at least one optoelectronic semiconductor chip are formed. The invention also relates to an optoelectronic component.
    Type: Application
    Filed: November 23, 2018
    Publication date: September 10, 2020
    Inventors: Thomas SCHWARZ, Andreas PLÖSSL, Jörg SORG
  • Publication number: 20200227604
    Abstract: A component may include a semiconductor chip, a buffer layer, a connecting layer, and a metal carrier. The semiconductor chip may include a substrate and a semiconductor body arranged thereon. The metal carrier may have a thermal expansion coefficient at least 1.5 times as great as a thermal expansion coefficient of the substrate or of the semiconductor chip. The chip may be fastened on the metal carrier by the connecting layer, and the buffer layer may have a yield stress ranging from 10 MPa. The buffer layer may have a thickness ranging from 2 um to 10 um and adjoin the chip. The substrate and the metal carrier may have a higher yield strength than the buffer layer.
    Type: Application
    Filed: July 19, 2018
    Publication date: July 16, 2020
    Inventors: Paola Altieri-Weimar, Ingo Neudecker, Andreas Ploessl, Marcus Zenger
  • Publication number: 20200211997
    Abstract: A method for fastening a semiconductor chip on a substrate and an electronic component are disclosed. In an embodiment a method includes providing a semiconductor chip, applying a solder metal layer sequence on the semiconductor chip, providing a substrate, applying a metallization layer sequence on the substrate, applying the semiconductor chip on the substrate via the solder metal layer sequence and the metallization layer sequence and heating the applied semiconductor chip on the substrate for fastening the semiconductor chip on the substrate. The solder metal layer may include a first metallic layer comprising an indium-tin alloy, a barrier layer arranged above the first metallic layer and a second metallic layer comprising gold arranged between the barrier layer and the semiconductor chip, wherein an amount of substance of the gold in the second metallic layer is greater than an amount of substance of tin in the first metallic layer.
    Type: Application
    Filed: June 6, 2018
    Publication date: July 2, 2020
    Inventors: Klaus Mueller, Andreas Ploessl, Mathias Wendt
  • Patent number: 10651346
    Abstract: An assembly includes a carrier including a glass material, including at least one recess, wherein at least one optoelectronic semiconductor component is arranged in the at least one recess of the carrier, and at least one surface of the semiconductor component connects to the carrier via a melted surface including glass.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: May 12, 2020
    Assignee: OSRAM OLED GmbH
    Inventors: Frank Singer, Andreas Ploessl
  • Publication number: 20200127181
    Abstract: A radiation-emitting semiconductor device and a fabric are disclosed. In an embodiment, a radiation-emitting semiconductor device includes a semiconductor layer sequence having an active region configured to generate radiation and at least one carrier on which the semiconductor layer sequence is arranged, wherein the at least one carrier has at least one anchoring structure on a carrier underside facing away from the semiconductor layer sequence, wherein the at least one anchoring structure includes electrical contact points for making electrical contact with the semiconductor layer sequence, and wherein the at least one anchoring structure is configured to receive at least one thread for fastening the semiconductor device to a fabric and for electrical contacting the at least one thread.
    Type: Application
    Filed: April 18, 2018
    Publication date: April 23, 2020
    Applicant: OSRAM Opto Semiconductors GmbH
    Inventors: Martin Rudolf Behringer, Alexander F. Pfeuffer, Andreas Plößl, Georg Bogner, Berthold Hahn
  • Publication number: 20200091372
    Abstract: A method of producing a semiconductor component includes applying an auxiliary carrier at a first side of a semiconductor body, the auxiliary carrier having a first lateral coefficient of thermal expansion, and applying a connection carrier at a second side of the semiconductor body facing away from the auxiliary carrier, the connection carrier having a second lateral coefficient of thermal expansion, wherein the semiconductor body is grown on a growth substrate different from the auxiliary carrier, the first and the second lateral coefficient of thermal expansion differ by at most 50%, and the growth substrate is removed prior to application of the auxiliary carrier.
    Type: Application
    Filed: December 15, 2017
    Publication date: March 19, 2020
    Inventors: Andreas Plössl, Norwin von Malm, Dominik Scholz, Christoph Schwarzmaier, Martin Rudolf Behringer, Alexander F. Pfeuffer
  • Patent number: 10553148
    Abstract: A module for a video wall includes a first light emitting chip of an image pixel connecting to a first power line by a first electrical terminal, the first light emitting chip connects to a third power line by a second electrical terminal, a second light emitting chip of the image pixel connects to a second power line by the first electrical terminal, the second light emitting chip of the image pixel connects to a fourth power line by the second electrical terminal, the first and/or the second power line are/is a surface metallization, including contact sections, a light emitting chip is arranged on a contact section, at least between contact sections of a first and of a second power line an insulation layer is provided on a carrier, the insulation layer includes openings above the contact sections, and the light emitting chips are arranged in the openings.
    Type: Grant
    Filed: November 11, 2016
    Date of Patent: February 4, 2020
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Alexander Martin, Thomas Schwarz, Frank Singer, Andreas Plössl
  • Patent number: 10483256
    Abstract: An optoelectronic semiconductor device and an apparatus with an optoelectronic semiconductor device are disclosed. In an embodiment the optoelectronic semiconductor component has an emission region including a semiconductor layer sequence having a first semiconductor layer, a second semiconductor layer, and an active region arranged between the first semiconductor layer and the second semiconductor layer for generating radiation, and a protection diode region. The semiconductor component has a contact for electrically contacting the semiconductor component externally. The contact has a first contact region that is connected to the emission region in an electrically conductive manner. The contact has further a second contact region that is spaced apart from the first contact region and connected to the protection diode region in an electrically conductive manner. The first contact region and the second contact region can be electrically contacted externally by a mutual end of a connecting line.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: November 19, 2019
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Juergen Moosburger, Andreas Ploessl