Patents Assigned to OSRAM OLED GmbH
  • Patent number: 11107953
    Abstract: An optoelectronic semiconductor chip includes a semiconductor layer sequence having an active region arranged between first and second semiconductor layers; a first contact and a second contact for external electrical contacting of the semiconductor chip; first and second terminal layer regions, via which the first and second contacts electrically conductively connect to the first and second semiconductor layers; and a first insulation layer and a second insulation layer; wherein the first terminal layer region and the second terminal layer region are each arranged in some areas between the first insulation layer and the second insulation layer in a vertical direction perpendicular to a main extension plane of the active region; the first terminal layer region and the second terminal layer region are arranged side by side without overlapping; and the first terminal layer region extends in places up to a side surface of the semiconductor chip.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: August 31, 2021
    Assignee: OSRAM OLED GmbH
    Inventor: Attila Molnar
  • Publication number: 20210265525
    Abstract: An optoelectronic device may include an optoelectronic semiconductor chip that is configured to emit electromagnetic radiation. The chip may include a first semiconductor layer, a second semiconductor layer, first and second current spreading structures, and a plurality of electrical contact elements. The first current spreading layer may be arranged on a side of the second semiconductor layer facing away from the first semiconductor layer. The plurality of electrical contact elements may electrically connect the first semiconductor layer to the first current spreading layer. The second current spreading layer may be electrically connected to the second semiconductor layer. The second current spreading layer may be arranged between the first current spreading layer and the second semiconductor layer where an insulating layer insulates a first electrical contact element and a second electrical contact element from the second current spreading layer.
    Type: Application
    Filed: May 8, 2019
    Publication date: August 26, 2021
    Applicant: Osram OLED GmbH
    Inventors: Roland Heinrich ENZMANN, Christian MUELLER, Stefan BARTHEL, Vanessa EICHINGER, Marc Christian NENSTIEL, Lorenzo ZINI
  • Patent number: 11101402
    Abstract: A method for manufacturing light emitting diodes and a light emitting diode are disclosed. In an embodiment a method includes providing a light emitting diode chip with a growth substrate and with a semiconductor layer sequence for generating radiation, soldering chip contact surfaces located on a chip underside of the semiconductor layer sequence facing away from the growth substrate to carrier contact surfaces of a carrier, applying a liquid connector transparent to the radiation to a substrate upper side of the growth substrate facing away from the semiconductor layer sequence, fastening a fluorescent body to the substrate upper side, the connector being partially displaced by the fluorescent body from the substrate upper side so that chip side faces are predominantly covered by the connector and generating a reflector on outer faces of the connector facing away from the light emitting diode chip on the chip side faces, the outer faces pointing in a direction away from the carrier.
    Type: Grant
    Filed: February 16, 2018
    Date of Patent: August 24, 2021
    Assignee: OSRAM OLED GMBH
    Inventor: Ivar Tangring
  • Patent number: 11101412
    Abstract: A method for producing an output coupling element and an output coupling element are disclosed. In an embodiment a method includes producing a suspension having quantum dots in a suspension medium, wherein each quantum dot comprises a core having a semiconductor material, directly applying the suspension onto a surface of an optoelectronic component and/or onto a surface of a carrier and removing the suspension medium for producing the output coupling element, wherein the output coupling element is matrix-free and transparent to radiation of a red range and/or a IR range.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: August 24, 2021
    Assignee: OSRAM OLED GMBH
    Inventor: Georg Dirscherl
  • Patent number: 11101249
    Abstract: In an embodiment, a multi-chip module includes a first carrier including a mold material and at least two light-emitting diode chips embedded at least by side faces in the first carrier, wherein the light-emitting diode chips have first electrical contacts on a front side and second electrical contacts on a rear side, wherein the front side is configured as a radiation side, wherein the first electrical contacts are connected to control lines, wherein the control lines are arranged on a front side of the first carrier, wherein the second electrical contacts are connected to a collective line, and wherein the collective line is led to a rear side of the first carrier.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: August 24, 2021
    Assignee: OSRAM OLED GMBH
    Inventors: Frank Singer, Jürgen Moosburger, Thomas Schwarz, Lutz Hoeppel, Matthias Sabathil
  • Patent number: 11101251
    Abstract: An optoelectronic component includes a carrier, wherein the carrier includes a surface, reflective barriers are formed over the surface of the carrier, the reflective barriers divide the surface of the carrier into pixels, each pixel respectively includes at least one optoelectronic semiconductor chip arranged on the surface of the carrier, the optoelectronic semiconductor chip is configured to emit electromagnetic radiation, the optoelectronic semiconductor chip includes an upper side, the upper side faces away from the surface of the carrier, and a reflective covering is arranged on the upper side of the optoelectronic semiconductor chip.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: August 24, 2021
    Assignee: OSRAM OLED GmbH
    Inventors: Peter Brick, Christopher Wiesmann, Ulrich Streppel, David Racz, Christopher Kölper, Georg Roßbach
  • Patent number: 11094559
    Abstract: A method of attaching a semiconductor chip on a lead frame includes A) providing a semiconductor chip, B) applying a solder metal layer sequence to the semiconductor chip, wherein the solder metal layer sequence includes a first metallic layer including indium or an indium-tin alloy, C) providing a lead frame, D) applying a metallization layer sequence to the lead frame, wherein the metallization layer sequence includes a fourth layer including indium and/or tin arranged above the lead frame and a third layer including gold arranged above the fourth layer, E) forming an intermetallic intermediate layer including gold and indium, gold and tin or gold, tin and indium, G) applying the semiconductor chip to the lead frame via the solder metal layer sequence and the intermetallic intermediate layer, and H) heating the arrangement produced in G) to attach the semiconductor chip to the lead frame.
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: August 17, 2021
    Assignee: OSRAM OLED GmbH
    Inventors: Mathias Wendt, Andreas Weimar
  • Patent number: 11094689
    Abstract: An electronic component includes a first contact point for n-side contacting, a second contact point for p-side contacting, and a protective diode, which is connected antiparallel to the first contact point and to the second contact point. The protective diode includes a first diode structure which is p-conductive and a second diode structure which is n-conductive. The first diode structure is formed as a layer which overlaps in places with the first contact point in a first overlap region. The second diode structure is formed as a layer which overlaps in places with the second contact point in a second overlap region. The first diode structure and the second diode structure overlap each other in a third overlap region.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: August 17, 2021
    Assignee: OSRAM OLED GmbH
    Inventors: Ivar Tangring, Thomas Schlereth
  • Patent number: 11094866
    Abstract: A method for producing an optoelectronic component and an optoelectronic component are disclosed. In an embodiment a method includes providing a semiconductor chip having an active region for radiation emission, applying a seed layer on the semiconductor chip, wherein the seed layer includes a first metal and a second metal being different from the first metal, and wherein the second metal is less noble than the first metal, applying a structured photoresist layer directly to the seed layer and applying a solder layer at least to regions of the seed layer which are not covered by the photoresist layer, wherein a ratio of the first metal to the second metal in the seed layer is between 95:5 to 99:1.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: August 17, 2021
    Assignee: OSRAM OLED GMBH
    Inventors: Guido Weiss, Christoph Schwarzmaier, Dominik Scholz, Nicole Heitzer
  • Patent number: 11094844
    Abstract: An optoelectronic semiconductor chip includes a p-type semiconductor region, an n-type semiconductor region, an active layer disposed between the p-type semiconductor region and the n-type semiconductor region and formed as a multiple quantum well structure and having alternating quantum well layers and barrier layers, the quantum well layers emitting a first radiation in a first wavelength range, and at least one further quantum well layer disposed outside the multiple quantum well structure that emits a second radiation in a second wavelength range, wherein the first wavelength range is in an infrared spectral range invisible to a human eye, and the second wavelength range includes wavelengths at least partially visible to the human eye.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: August 17, 2021
    Assignee: OSRAM OLED GmbH
    Inventors: Andreas Rudolph, Markus Broell, Wolfgang Schmid, Johannes Baur, Martin Rudolf Behringer
  • Patent number: 11094868
    Abstract: A method for producing an illumination device may include providing a plurality of optoelectronic semi-conductor components that each have a semi-conductor layer sequence for generating radiation where the semiconductor components each have at least one contact surface on one side and are held by a common carrier. The method may further include electroplating each contact surface of the semi-conductor components using a solder material, applying the semi-conductor components having the solder material to a substrate, and melting and soldering the contact surfaces onto the surfaces.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: August 17, 2021
    Assignee: OSRAM OLED GMBH
    Inventors: Klaus Mueller, Holger Klassen
  • Patent number: 11094845
    Abstract: A method of producing light-emitting diode chips includes A) and C)-F) in order: A) providing a growth substrate, C) producing a structural layer, the structural layer including Alx1Ga1-x1-y1Iny1N, where-in y1?0.5, and a plurality of structural elements with a mean height of at least 50 nm so that a side of the structural layer facing away from the growth substrate is rough, D) producing a cover layer on the structural layer, the cover layer forming the structural layer true to shape and including Alx2Ga1-x2-y2Iny2N, wherein x2?0.6, E) producing a planarization layer on the cover layer, a side of the finished planarization layer is flat and the planarization layer includes Alx3Ga1-x3-y3Iny3N, wherein x3+y3?0.2, and F) growing a functional layer sequence that generates radiation on the planarization layer.
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: August 17, 2021
    Assignee: OSRAM OLED GmbH
    Inventors: Massimo Drago, Alexander Frey, Joachim Hertkorn
  • Patent number: 11088297
    Abstract: A method for producing a component and a component are disclosed. In an embodiment a method includes providing a substrate, applying a composite of components to the substrate, forming an anchoring layer on the composite of components, attaching a carrier to the anchoring layer, wherein the anchoring layer is disposed between the substrate and the carrier and removing the substrate, wherein the composite of components is divided into a plurality of components by forming a plurality of separating trenches, wherein, after removing the substrate, the components continue to be held on the carrier by the anchoring layer, and wherein the anchoring layer comprises at least one predetermined breaking layer having at least one predetermined breaking position, the predetermined breaking position being laterally surrounded by the separating trenches and—in a plan view of the carrier—being covered by one of the components.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: August 10, 2021
    Assignee: OSRAM OLED GMBH
    Inventor: Lutz Höppel
  • Patent number: 11086138
    Abstract: A method of autostereoscopic imaging including providing an autostereoscopic illumination unit including a lens field composed of a multiplicity of individual lenses or concave mirrors, and modulating an emission characteristic of the light source such that the individual lenses or the concave mirrors are illuminated only partly by the light source, wherein light from the light source impinges on the individual lenses or concave mirrors such that an emission characteristic of a three-dimensional object is imitated, the lens field extends over a spatial angle range of at least 2 sr relative to the light source or an external observer, the individual lenses or concave mirrors are distributed over the lens field and are at least partially sequentially irradiated, and the light source is formed by one or more lasers and the laser or each of the lasers irradiates/irradiate only one of the individual lenses at a specific point in time.
    Type: Grant
    Filed: July 24, 2017
    Date of Patent: August 10, 2021
    Assignee: OSRAM OLED GmbH
    Inventors: Bernhard Stojetz, Alfred Lell, Christoph Eichler, Andreas Löffler, Harald König, André Somers, Clemens Vierheilig
  • Patent number: 11081520
    Abstract: A luminescence diode and a method for producing a luminescence diode are disclosed. In an embodiment a luminescence diode includes a carrier substrate, a first semiconductor layer sequence including a first active layer suitable for emitting radiation having a first dominant wavelength ?dom1 and a second semiconductor layer sequence including a second active layer suitable for emitting radiation having a second dominant wavelength ?dom2, wherein the first semiconductor layer sequence and the second semiconductor layer sequence are arranged side by side on the carrier substrate, and wherein the first dominant wavelength ?dom1 of the first active layer and the second dominant wavelength ?dom2 of the second active layer are different from each other.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: August 3, 2021
    Assignee: OSRAM OLED GMBH
    Inventors: Christoph Rupprich, Andreas Rudolph, Hubert Halbritter
  • 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
  • Patent number: 11075324
    Abstract: A method of producing an outcoupling element for an optoelectronic component includes A) providing quantum dots each having a core made of a semiconductor material, B) applying an inorganic or a phosphonate-containing ligand shell on a respective core of the quantum dots, and C) introducing the quantum dots with the ligand shell into a matrix material, wherein introducibility of the quantum dots with the ligand shell is facilitated compared to the quantum dots produced in step A), and the outcoupling element is transparent for radiation from the red and/or IR region.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: July 27, 2021
    Assignee: OSRAM OLED GmbH
    Inventors: Georg Dirscherl, Marcus Adam, Guido Kickelbick
  • Patent number: 11075323
    Abstract: A method of producing a radiation-emitting component includes: A) providing a dielectric layer that degrades against environmental influences; B) applying a first protective layer to the dielectric layer by an atomic layer deposition method, wherein the first protective layer includes elemental Si or in a compound; and C) applying a second protective layer to the first protective layer, the second protective layer including elemental Si, wherein a layer thickness of the first protective layer is less than or equal to 1 nm so that the first protective layer reduces or prevents a degradation of the dielectric layer.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: July 27, 2021
    Assignee: OSRAM OLED GmbH
    Inventor: Andreas Rückerl
  • Patent number: 11069835
    Abstract: An optoelectronic semiconductor chip and a method for manufacturing a semiconductor chip are disclosed. In an embodiment an optoelectronic semiconductor chip includes a plurality of fins and a current expansion layer for common contacting of at least some of the fins, wherein each fin includes two side surfaces arranged opposite one another and an active region arranged on each of the side surfaces, wherein the plurality of fins include inner fins and outer fins having an adjacent fin only on one side, and wherein the current expansion layer is in direct contact with the inner fins on their outside.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: July 20, 2021
    Assignee: OSRAM OLED GMBH
    Inventors: Adrian Stefan Avramescu, Tansen Varghese, Martin Straßburg, Hans-Jürgen Lugauer, Sönke Fündling, Jana Hartmann, Frederik Steib, Andreas Waag
  • Patent number: 11067727
    Abstract: A method for manufacturing a multilayer optical element is disclosed. In an embodiment the method includes providing a substrate, applying a first optical layer by applying a first layer having a dielectric first material having a first refractive index, structuring the first layer by sectionally removing the first material and filling first interspaces with a dielectric second material having a second refractive index different from the first refractive index so that the second material has at least the same height as the first material, and applying at least a second optical layer by applying a second layer having the first material, structuring the second layer by sectionally removing the first material so that the first optical layer is exposed in second interspaces between second areas with the first material and filling the second interspaces with the second material so that the second material has at least the same height as the first material.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: July 20, 2021
    Assignee: OSRAM OLED GMBH
    Inventors: Georg Roßbach, Hubert Halbritter