Patents Assigned to OSRAM OLED GmbH
  • Patent number: 11149908
    Abstract: A light emitting filament device comprising a carrier extending in a longitudinal direction and having a first main surface, a second main surface opposite to the first main surface, and two side surfaces interconnecting the two main surfaces. Optoelectronic components are disposed on the first main surface of the carrier. A first converter layer is arranged on the first main surface of the carrier and covers the optoelectronic components. A second converter layer is arranged on the second main surface of the carrier. The carrier is designed at at least one location along the longitudinal direction such that at least one of the two side surfaces includes an angle with the first main surface of greater than 90°. The carrier is trapezoidal in cross-section at the at least one location.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: October 19, 2021
    Assignee: OSRAM OLED GmbH
    Inventor: Florian Boesl
  • Patent number: 11149913
    Abstract: A headlamp includes a first semiconductor chip and a second semiconductor chip for generating light. The first and second semiconductor chips each include several pixels. A first optics is arranged to direct light from the first semiconductor chip with a first magnification into a base region. Via a second optics, light of the second semiconductor chip is directed into a bright region with a second magnification. The second magnification is between 0.3 times and 0.7 times the first magnification inclusive, so that the bright region is smaller than the base region. The bright region is within the base region.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: October 19, 2021
    Assignee: OSRAM OLED GmbH
    Inventors: Stefan Grötsch, Joachim Reill
  • Patent number: 11152231
    Abstract: A heating apparatus, a method and a system for producing semiconductor chips in a wafer assembly are disclosed. In an embodiment a heating device includes a heating plane configured to be arranged parallel to a plane of the semiconductor chips in the wafer composite and a first heating unit extending substantially in a radial direction with respect to a reference point in the heating plane, wherein the first heating unit includes a plurality of inductive heating elements arranged adjacent to each other in a substantially radial direction, each inductive heating element having a predetermined distance from the reference point, and wherein the inductive heating elements are formed as electromagnets or permanent magnets configured to generate eddy currents in a carrier of the wafer composite.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: October 19, 2021
    Assignee: OSRAM OLED GMBH
    Inventor: Hans Lindberg
  • Patent number: 11152423
    Abstract: An optical assembly and a display device are disclosed. In an embodiment an optical assembly includes a common carrier, a plurality of first chip groups, each first chip group comprising at least two similar luminescence diode chips, a plurality of second chip groups, each second chip group comprising at least two similar luminescence diode chips, wherein the first and second chip groups are arranged planar along a regular grid of first unit cells on a main surface of the common carrier and an optical element arranged downstream of the first and second chip groups with respect to a main radiation direction, wherein the luminescence diode chips of the different chip groups are configured to emit electromagnetic radiation of different wavelength characteristics.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: October 19, 2021
    Assignee: OSRAM OLED GMBH
    Inventors: Peter Brick, Matthias Sabathil, Frank Singer, Thomas Schwarz
  • Patent number: 11143381
    Abstract: In an embodiment, an arrangement includes an optoelectronic device including a plurality of components configured to generate electromagnetic radiation, wherein the components are arranged in a grid having identical spacings and a scattering element for expanding a radiation region of the electromagnetic radiation of the device, the scattering element comprising a first layer having first linear structures, the first structures being arranged parallel to one another and a second layer having second linear structures, the second linear structures being aligned parallel to one another, wherein the first linear structures and the second linear structures are arranged at a predefined angle of between 1° and 179°, wherein the first linear structures and/or the second linear structures constitute wave peaks and wave valleys, wherein adjacent wave valleys and adjacent wave peaks constitute a periodic spacing, and wherein the periodic spacing deviates at most by 20% from a multiple of the periodic spacing of the comp
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: October 12, 2021
    Assignee: OSRAM OLED GmbH
    Inventors: Peter Brick, Hubert Halbritter
  • Patent number: 11145783
    Abstract: An optoelectronic semiconductor component is specified which comprises a semiconductor layer sequence having a first and a second semiconductor layer of a first conductivity type, an active layer designed for generating electromagnetic radiation, a first electrical terminal layer and a second electrical terminal layer laterally spaced therefrom which electrically contacts the second semiconductor layer, and a first contact zone of a second conductivity type which adjoins the first electrical terminal layer and is electrically conductively connected to the first electrical terminal layer. And at least one functional region formed between the first and second terminal layers, in which a second contact zone of a second conductivity type and at least one shielding zone of a second conductivity type is formed. Furthermore, a method for producing the optoelectronic semiconductor component is specified.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: October 12, 2021
    Assignee: OSRAM OLED GMBH
    Inventor: Petrus Sundgren
  • Patent number: 11139415
    Abstract: An optoelectronic component may be produced by providing a temporary carrier, applying a functional film to the temporary carrier, arranging optoelectronic elements within openings of the functional film in such a way that the mounting sides are facing towards the temporary carrier. The optoelectronic elements are thicker than the functional film such that the elements protrude beyond the functional film in a direction away from the temporary carrier. The method may further include applying a potting compound laterally around the elements and covering the function film and curing the potting compound to form a potting. The method may further include cutting between the openings to create individual optoelectronic components.
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: October 5, 2021
    Assignee: OSRAM OLED GMBH
    Inventors: Harald Jaeger, Daniel Leisen, Jens Eberhard, Ivar Tangring
  • Patent number: 11132932
    Abstract: A method for operating a light-emitting device includes operating, at least for some pixels, a selected subpixel of a pixel and at least one further subpixel of the pixel configured to emit light of a different color to display a pure color corresponding to a dominant wavelength of the selected subpixel and providing, at least for some pixels, a correction matrix associated with the pixel for adjusting brightness of the subpixels of the pixel, wherein the correction matrix is provided by determining, at least for some pixels, a brightness of each subpixel of the pixel necessary to emit light of a given color, determining, at least for some pixels, a dominant wavelength (?r, ?g, ?b) of each subpixel, plotting dominant wavelengths (?r, ?g, ?b) of each subpixel in a CIE-XY color space and forming color triangles, and determining inner triangles of the color triangles in pairs.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: September 28, 2021
    Assignee: OSRAM OLED GMBH
    Inventor: Martin Rudolf Behringer
  • Patent number: 11127880
    Abstract: An optoelectronic semiconductor device and a method for producing an optoelectronic semiconductor device are disclosed. In an embodiment an optoelectronic semiconductor device includes a semiconductor body having a first region of a first conductivity type, an active region configured to generate electromagnetic radiation and a second region of a second conductivity type in a stacking direction, an electrical contact metallization arranged on a side of the second region facing away from the active region and being opaque to the electromagnetic radiation, a radiation coupling-out region surrounding the electrical contact metallization at an edge side and an absorber layer structure arranged between the electrical contact metallization and the second region.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: September 21, 2021
    Assignee: OSRAM OLED GMBH
    Inventors: Johannes Unger, Franz Eberhard, Fabian Kopp, Katharina Christoph
  • Patent number: 11127779
    Abstract: A light-emitting semiconductor chip and a display device are disclosed. In an embodiment a light-emitting semiconductor chip includes an emission surface formed with a plurality of first emission regions and second emission regions, wherein the first emission regions and the second emission regions are configured to emit light of a predeterminable color location, wherein the first and second emission regions are separately controllable from each other, wherein the first emission regions and second emission regions are arranged next to one another in a first plane, wherein all second emission regions form at least a part of an outer edge of the emission surface, and wherein the first emission regions have a smaller extent than the second emission regions along at least one direction lying in the first plane.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: September 21, 2021
    Assignee: OSRAM OLED GMBH
    Inventors: Peter Brick, Hubert Halbritter, Mikko Perälä, Frank Singer
  • Patent number: 11128106
    Abstract: A method of producing a laser diode bar includes producing a plurality of emitters arranged side by side, emitters each including a semiconductor layer sequence having an active layer that generates laser radiation, a p-contact on a first main surface of the laser diode bar and an n-contact on a second main surface of the laser diode bar opposite the first main surface, testing at least one optical and/or electrical property of the emitters, wherein emitters in which the optical and/or electrical property lies within a predetermined setpoint range are assigned to a group of first emitters, and emitters in which the at least one optical and/or electrical property lies outside the predetermined setpoint range are assigned to a group of second emitters, and electrically contacting first emitters, wherein second emitters are not electrically contacted so that they are not supplied with current during operation of the laser diode bar.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: September 21, 2021
    Assignee: OSRAM OLED GmbH
    Inventors: Clemens Vierheilig, Andreas Löffler, Sven Gerhard
  • 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: 11127877
    Abstract: The application concerns a method of manufacturing optoelectronic semiconductor components (1) comprising the following steps: A) Growing a semiconductor layer sequence (3) for generating radiation onto a growth substrate (2), B) Structuring the semiconductor layer sequence (3) into emitter strands (11) so that the semiconductor layer sequence (3) is removed in gaps (12) between adjacent emitter strands (11), C) Applying a passivation layer (4), the semiconductor layer sequence (3) at waveguide contacts (51) remote from the growth substrate (2) and the gaps (12) remaining at least partially free, D) Producing at least one metal layer (50), which extends from the waveguide contacts (51) into the gaps (12), E) Replacing the growth substrate (2) with a carrier (6), F) Making vias (53) in the carrier (6) so that the metal layer (50) and underside contacts (52) of the semiconductor layer sequence (3) facing the carrier (6) are electrically contacted, and removing the carrier (6) between at least some of the emitt
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: September 21, 2021
    Assignee: OSRAM OLED GMBH
    Inventor: Jens Müller
  • Patent number: 11127602
    Abstract: A method of attaching a semiconductor chip to a lead frame, including A) providing a semiconductor chip, B) applying a solder metal layer sequence on the semiconductor chip, C) providing a lead frame, D) applying a metallization layer sequence on the lead frame, E) applying the semiconductor chip on the lead frame via the solder metal layer sequence and the metallization layer sequence, and F) heating the arrangement produced under E) to attach the semiconductor chip to the lead frame, wherein the solder metal layer sequence includes a first metallic layer including an indium-tin alloy, a barrier layer arranged above the first metallic layer, and a second metallic layer including gold arranged between the barrier layer and the semiconductor chip.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: September 21, 2021
    Assignee: OSRAM OLED GmbH
    Inventors: Mathias Wendt, Klaus Müller, Laurent Tomasini
  • Patent number: 11121124
    Abstract: A display device is disclosed. In an embodiment a display device having a plurality of pixels separately operable from each other includes a semiconductor layer sequence including a first semiconductor layer, an active layer and a second semiconductor layer, a first contact structure contacting the first semiconductor layer and a second contact structure contacting the second semiconductor layer and at least one separating region extending through the first contact structure, the first semiconductor layer and the active layer into the second semiconductor layer, wherein the semiconductor layer sequence and the first contact structure have at least one first recess laterally adjacent with respect to a respective pixel, the first recess extending through the first contact structure, the first semiconductor layer and the active layer into the second semiconductor layer, and wherein the second contact structure includes second contacts extending through the at least one first recess.
    Type: Grant
    Filed: November 23, 2017
    Date of Patent: September 14, 2021
    Assignee: OSRAM OLED GMBH
    Inventors: Alexander F. Pfeuffer, Dominik Scholz
  • Patent number: 11121287
    Abstract: A method for producing an optoelectronic component and an optoelectronic component are disclosed. In an embodiment a method includes providing a carrier having a pedestal with a support surface, applying a liquid joining material with filler particles to the support surface of the pedestal and applying a radiation emitting semiconductor chip with a mounting surface, which is larger than the support surface of the pedestal to the liquid joining material such that the joining material forms a joining layer between the support surface of the pedestal and the mounting surface of the semiconductor chip and the joining material at least partially fills only a recess, which is limited by a part of the mounting surface projecting beyond the support surface.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: September 14, 2021
    Assignee: OSRAM OLED GMBH
    Inventor: Ivar Tangring
  • Patent number: 11121294
    Abstract: A radiation emitting component and a method for producing a radiation emitting component are disclosed. In an embodiment a radiation emitting component includes a radiation emitting semiconductor chip having an active zone configured to generate electromagnetic radiation of a first wavelength range, a reflector having side walls and a bottom surface and a conversion layer comprising a first phosphor configured to convert the electromagnetic radiation of the first wavelength range into electromagnetic radiation of a second wavelength range, wherein the conversion layer is located at the side walls of the reflector, wherein the conversion layer has a cross-sectional area, which decreases from the bottom surface of the reflector to a radiation exit surface of the component, and wherein the reflector is filled with a conversion element comprising a second phosphor configured to convert electromagnetic radiation of the first wavelength range into electromagnetic radiation of a third wavelength range.
    Type: Grant
    Filed: May 16, 2018
    Date of Patent: September 14, 2021
    Assignee: OSRAM OLED GMBH
    Inventor: Sandra Sobczyk
  • Patent number: 11121291
    Abstract: A display device is disclosed. In an embodiment a device includes at least one optoelectronic semiconductor component configured to generate primary radiation, a plurality of pixels, wherein each pixel includes at least a first subpixel configured to generate radiation in a first spectral range and a second subpixel configured to generate radiation in a second spectral range different from the first spectral range, wherein the first and second subpixels are each assigned an active region of the semiconductor component; and a radiation conversion element arranged downstream of at least some of the active regions, wherein the radiation conversion element configured to at least partially convert the primary radiation into a secondary radiation and to radiate the secondary radiation at a narrow angle.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: September 14, 2021
    Assignee: OSRAM OLED GMBH
    Inventors: Peter Brick, Hubert Halbritter, Mikko Perälä
  • Patent number: 11111385
    Abstract: A silicone composition includes a multiphase mixture of a low-refractive silicone having a refractive index n25D589 less than 1.45 and a high-refractive silicone having a refractive index n25D589 greater than 1.50, wherein a proportion of high-refractive silicone is 0.1 to 5.0 mass percent in relation to a total mass of high-refractive and low-refractive silicone, and the high-refractive silicone forms inclusions within the low-refractive silicone.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: September 7, 2021
    Assignee: OSRAM OLED GmbH
    Inventors: Hansjörg Schöll, Stephan Blaszczak
  • Patent number: 11114525
    Abstract: An optoelectronic component and a method for producing an optoelectronic component are disclosed. In an embodiment an optoelectronic component includes a semiconductor layer sequence having an active region configured to emit radiation, a dielectric layer, a solder layer including a first metal arranged on the dielectric layer and a seed layer arranged between the solder layer and the dielectric layer, wherein the seed layer includes the first metal and a second metal, wherein the second metal is less noble than the first metal, wherein an amount of the second metal in the seed layer is between 0.5 wt % and 10 wt %, and wherein the first metal is Au and the second metal is Zn.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: September 7, 2021
    Assignee: OSRAM OLED GMBH
    Inventor: Guido Weiss