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).

  • Patent number: 9859330
    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: September 30, 2013
    Date of Patent: January 2, 2018
    Assignee: OSRAM OPTO SEMICONDUCTOR GMBH
    Inventors: Norwin Von Malm, Martin Mandl, Alexander F. Pfeuffer, Britta Goeoetz
  • Patent number: 9847467
    Abstract: A method of producing a contact element for an optoelectronic component includes providing an auxiliary carrier with a sacrificial layer arranged on a top side of the auxiliary carrier; providing a carrier structure having a top side and a rear side situated opposite the top side, wherein an insulation layer is arranged at the rear side of the carrier structure; connecting the sacrificial layer to the insulation layer by an electrically conductive connection layer; creating at least one blind hole extending from the top side of the carrier structure as far as the insulation layer; opening the insulation layer in a region of the at least one blind hole; arranging an electrically conductive material in the at least one blind hole; detaching the auxiliary carrier by separating the sacrificial layer; and patterning the electrically conductive connection layer.
    Type: Grant
    Filed: October 27, 2014
    Date of Patent: December 19, 2017
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Dominik Scholz, Norwin von Malm, Stefan Illek
  • Publication number: 20170352700
    Abstract: A display device with a semiconductor layer sequence includes an active region provided for generating radiation and a plurality of pixels. The display device also includes a carrier. The active region is arranged between a first semiconductor layer and a second semiconductor layer. The semiconductor layer sequence includes a recess, which extends from a major face of the semiconductor layer sequence facing the carrier through the active region into the first semiconductor layer and is provided for electrical contacting of the first semiconductor layer. The carrier includes a number of switches, which are each provided for controlling at least one pixel.
    Type: Application
    Filed: July 31, 2017
    Publication date: December 7, 2017
    Inventor: Norwin von Malm
  • Patent number: 9825198
    Abstract: A method of producing a plurality of optoelectronic semiconductor chips includes a) providing a layer composite assembly having a principal plane which delimits the layer composite assembly in a vertical direction, and includes a semiconductor layer sequence having an active region that generates and/or detects radiation, wherein a plurality of recesses extending from the principal plane in a direction of the active region are formed in the layer composite assembly; b) forming a planarization layer on the principal plane such that the recesses are at least partly filled with material of the planarization layer; c) at least regionally removing material of the planarization layer to level the planarization layer; and d) completing the semiconductor chips, wherein for each semiconductor chip at least one semiconductor body emerges from the semiconductor layer sequence.
    Type: Grant
    Filed: November 12, 2012
    Date of Patent: November 21, 2017
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Patrick Rode, Lutz Hoeppel, Norwin von Malm, Stefan Illek, Albrecht Kieslich, Siegfried Herrmann
  • Publication number: 20170330981
    Abstract: A component with a semiconductor body, and first and second metal layer is disclosed. The first metal layer is arranged between the semiconductor body and the second metal layer, the semiconductor body has a first semiconductor layer on a side which is averted from the first metal layer, a second semiconductor layer on a side facing towards the first metal layer, and an active layer arranged between the first semiconductor layer and the second semiconductor layer, the component has a through-connection, which extends through the second semiconductor layer and the active layer for the electrical bonding of the first semiconductor layer. The second metal layer has a first subregion electrically connected to the through-connection by the first metal layer, and a second subregion spaced apart laterally from the first subregion by an intermediate space. In an overhead view, the first metal layer laterally completely covers the intermediate space.
    Type: Application
    Filed: October 14, 2015
    Publication date: November 16, 2017
    Inventors: Lutz Hoeppel, Norwin von Malm
  • Publication number: 20170309794
    Abstract: In at least one embodiment, the optoelectronic semiconductor chip (100) comprises a semiconductor layer sequence (1) comprising a top side (2), a bottom side (3) diametrically opposite the top side (2), and an active layer (11) for generating electromagnetic radiation at a first wavelength (10), wherein the semiconductor chip (100) is free of a growth substrate for the semiconductor chip layer sequence (1). The semiconductor chip (100) further comprises a plurality of contact elements (30) which are arranged on the bottom side (3) and can be electronically controlled individually and independently from each other. The semiconductor layer sequence (1) is thereby divided into a plurality of emission regions (20) which are arranged laterally adjacent to one another and are constructed for the purpose of emitting radiation during operation. One of the contact elements (30) is thereby assigned to each emission region (20).
    Type: Application
    Filed: August 13, 2015
    Publication date: October 26, 2017
    Applicant: OSRAM Opto Semiconductors GmbH
    Inventor: Norwin VON MALM
  • Patent number: 9780265
    Abstract: The invention relates to an optoelectronic semiconductor component (1) comprising:—an optoelectronic semiconductor chip (2), comprising—a growth substrate (21) having a growth surface (21a),—a layer sequence (22) with a semiconductor layer sequence (221, 222, 223) with an active zone (222) grown on the growth surface (21a),—contact points (29) for electrically contacting the semiconductor layer sequence (221, 222, 223) and—and insulation layer (26), which is formed in an electrically insulting manner—a connection carrier (4), which is mounted to the cover surface (2a) of the optoelectronic semiconductor chip facing away from the growth surface (21a), wherein—the semiconductor layer sequence (221, 222, 223) is connected to the connection carrier (4) in an electrically conducting manner and—a conversion layer (5) is applied to a bottom surface (21c) of the growth substrate (21) facing away from the growth surface (21a) and to all side surfaces (21b) of the growth substrate (21).
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: October 3, 2017
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Siegfried Herrmann, Juergen Moosburger, Stefan Illek, Frank Singer, Norwin Von Malm
  • Patent number: 9748309
    Abstract: A display device with a semiconductor layer sequence includes an active region provided for generating radiation and a plurality of pixels. The display device also includes a carrier. The active region is arranged between a first semiconductor layer and a second semiconductor layer. The semiconductor layer sequence includes at least one recess, which extends from a major face of the semiconductor layer sequence facing the carrier through the active region into the first semiconductor layer and is provided for electrical contacting of the first semiconductor layer. The carrier includes a number of switches, which are each provided for controlling at least one pixel.
    Type: Grant
    Filed: May 5, 2016
    Date of Patent: August 29, 2017
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventor: Norwin von Malm
  • Publication number: 20170221869
    Abstract: A method of producing an optoelectronic component includes providing an optoelectronic semiconductor chip having a first surface on which a first electrical contact and a second electrical contact are arranged; arranging a protection diode on the first contact and the second contact; galvanically growing a first pin on the first electrical contact and a second pin on the second electrical contact; and embedding the first pin, the second pin, and the protection diode in a molded body.
    Type: Application
    Filed: April 11, 2017
    Publication date: August 3, 2017
    Inventors: Jürgen Moosburger, Lutz Höppel, Norwin von Malm
  • Publication number: 20170219763
    Abstract: An optelectonic 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: Application
    Filed: August 25, 2015
    Publication date: August 3, 2017
    Applicant: OSRAM Opto Semiconductors GmbH
    Inventors: Britta Goeoetz, Norwin von Malm, Dominik Schulten
  • Publication number: 20170207373
    Abstract: An optoelectronic semiconductor component and a method for producing an optoelectronic semiconductor component are disclosed. In an embodiment, the component includes a carrier, a multi-pixel semiconductor chip that emits electromagnetic radiation during operation, wherein the semiconductor chip is arranged on the carrier, and wherein the semiconductor chip has a plurality of individually activatable pixels capable of generating primary radiation and a wavelength conversion element for at least partially converting the primary radiation emitted from the semiconductor chip into electromagnetic secondary radiation, wherein an active zone of the multi-pixel semiconductor chip extends continuously over the plurality of pixels, and wherein the wavelength conversion element is implemented in one piece.
    Type: Application
    Filed: March 30, 2017
    Publication date: July 20, 2017
    Inventors: Britta Göötz, Wolfgang Mönch, Norwin von Malm
  • Publication number: 20170200861
    Abstract: An optoelectronic semiconductor chip is disclosed. In an embodiment the chip includes a semiconductor layer sequence having a bottom face and a top face, wherein the semiconductor layer sequence comprises a first layer of a first conductivity type, an active layer for generating electromagnetic radiation, and a second layer of a second conductivity type and a bottom contact element located at the bottom face and a top contact element located at the top face for injecting current into the semiconductor layer sequence. The chip further includes a current distribution element located at the bottom face, the current distribution element distributes current along the bottom face during operation and a plurality of vias extending from the current distribution element through the first layer and through the active layer into the semiconductor layer sequence, wherein the vias are not in direct electrical contact with the active layer.
    Type: Application
    Filed: June 12, 2015
    Publication date: July 13, 2017
    Inventors: Alexander F. Pfeuffer, Norwin von Malm
  • Patent number: 9705058
    Abstract: An optoelectronic semiconductor chip includes a semiconductor body that has a semiconductor layer sequence and at least one opening that extends through a second semiconductor layer into a first semiconductor layer. The chip also includes a support, which includes at least one recess, and a metallic connecting layer between the semiconductor body and the support. The metallic connecting layer includes a first region and a second region. The first region is connected to the first semiconductor layer in an electrically conductive manner through the opening and the second region is connected to the second semiconductor layer in an electrically conductive manner. A first contact is connected to the first region in an electrically conductive manner through the recess or a second contact is connected to the second region in an electrically conductive manner through the recess.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: July 11, 2017
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Norwin von Malm, Andreas Plöβl
  • Publication number: 20170194305
    Abstract: A method for producing an optoelectronic semiconductor chip is disclosed. In an embodiment, the method includes providing a semiconductor body with a pixel region including different subpixel regions, each subpixel region having a radiation exit face, applying an electrically conductive layer onto the radiation exit face of a subpixel region, wherein the electrically conductive layer is suitable at least in part for forming a salt with a protic reactant, and depositing a conversion layer on the electrically conductive layer using an electrophoresis process, wherein the deposited conversion layer comprises pores.
    Type: Application
    Filed: March 17, 2017
    Publication date: July 6, 2017
    Inventors: Britta Goeoetz, Ion Stoll, Norwin von Malm
  • Patent number: 9666756
    Abstract: An optoelectronic semiconductor module includes a plurality of light-emitting areas, which emit light when in operation. At least two abutting lateral edges of at least one light-emitting area are arranged at an angle of more than 0 degrees and less than 90 degrees to each other. Further embodiments relate to a display having a plurality of such modules.
    Type: Grant
    Filed: March 16, 2012
    Date of Patent: May 30, 2017
    Assignee: OSRAM Opto Semiconductors, GmbH
    Inventors: Norwin von Malm, Georg Bogner, Joachim Reill, Stefan Grötsch
  • Patent number: 9653440
    Abstract: An optoelectronic component includes an optoelectronic semiconductor chip having a first surface on which a first electrical contact and a second electrical contact are arranged, wherein the first surface adjoins a molded body, a first pin and a second pin are embedded in the molded body and electrically conductively connect to the first contact and the second contact, and a protection diode is embedded in the molded body and electrically conductively connect to the first contact and the second contact.
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: May 16, 2017
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Jürgen Moosburger, Lutz Höppel, Norwin von Malm
  • Publication number: 20170133561
    Abstract: An optoelectronic semiconductor device, a method for manufacturing an optoelectronic semiconductor device and light source having an optoelectronic semiconductor device are disclosed.
    Type: Application
    Filed: June 11, 2015
    Publication date: May 11, 2017
    Applicant: OSRAM Opto Semiconductors
    Inventor: Norwin von Malm
  • Publication number: 20170125648
    Abstract: A method for producing a plurality of conversion elements (10) is specified, comprising providing a carrier substrate (1), introducing a converter material (3) into a matrix material (2), applying the matrix material (2) with the converter material (3) to individual regions (8) of the carrier substrate (1) in a non-continuous pattern, applying a barrier substrate (5) to the matrix material (2) and to the carrier substrate (1), and singulating the carrier substrate (1) with the matrix material (2) and the barrier substrate (5) into a plurality of conversion elements (10) along singulation lines (V), wherein the conversion elements (10) in each case comprise at least one of the regions (8) of the matrix material (2).
    Type: Application
    Filed: June 10, 2015
    Publication date: May 4, 2017
    Applicant: OSRAM Opto Semiconductors GmbH
    Inventors: Hailing CUI, Norwin VON MALM, Britta GOEOETZ, Robert SCHULZ, Dominik SCHULTEN
  • Publication number: 20170117444
    Abstract: A light-emitting device includes a light-emitting semiconductor component that emits first light in a first wavelength range during operation A wavelength conversion element converts the first light at least partly into second light in a second wavelength range is arranged in the beam path of the first light. The second wavelength range differs from the first wavelength range. The wavelength conversion element includes nanoparticles containing organic luminescent molecules in a basic material formed from an SiO2-based material. A method for producing a light-emitting device is furthermore specified.
    Type: Application
    Filed: March 18, 2015
    Publication date: April 27, 2017
    Applicants: OSRAM Opto Semiconductors GmbH, OSRAM Opto Semiconductors GmbH
    Inventors: Ion Stoll, Norwin von Malm
  • Patent number: 9627588
    Abstract: A method for producing an optoelectronic semiconductor chip is specified, comprising the following steps: providing an n-conducting layer (2), arranging a p-conducting layer (4) on the n-conducting layer (2), arranging a metal layer sequence (5) on the p-conducting layer (4), arranging a mask (6) at that side of the metal layer sequence (5) which is remote from the p-conducting layer (4), in places removing the metal layer sequence (5) and uncovering the p-conducting layer (4) using the mask (6), and in places neutralizing or removing the uncovered regions (4a) of the p-conducting layer (4) as far as the n-conducting layer (2) using the mask (6), wherein the metal layer sequence (5) comprises at least one mirror layer (51) and a barrier layer (52), and the mirror layer (51) of the metal layer sequence (5) faces the p-conducting layer (4).
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: April 18, 2017
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Lutz Höppel, Norwin Von Malm