Patents by Inventor Ivar Tangring

Ivar Tangring 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: 20240079521
    Abstract: An optoelectronic semiconductor component may include a semiconductor layer stack configured to generate electromagnetic radiation. The semiconductor layer stack may be arranged over a substrate and structured to form a mesa, so that the semiconductor layer stack is not present in an edge region of the substrate. The component may include a converter element on a side of the semiconductor layer stack that is remote from the substrate. The component may further include a gold layer over the edge region of the substrate in an arrangement plane between the substrate and the semiconductor layer stack.
    Type: Application
    Filed: January 19, 2022
    Publication date: March 7, 2024
    Inventor: Ivar TANGRING
  • Patent number: 11923487
    Abstract: In an embodiment a method includes providing a carrier with an optoelectronic semiconductor chip-component arranged on a top side of the carrier, arranging a first potting material on the top side of the carrier, arranging a second potting material on the first potting material, wherein the second potting material comprises a higher density than the first potting material, wherein a top side of the optoelectronic semiconductor chip-component is covered by neither the first potting material nor the second potting material and allowing a force to act on the first potting material and the second potting material such that the second potting material migrates in a direction toward the top side of the carrier.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: March 5, 2024
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Gregory Bellynck, Ivar Tangring
  • Publication number: 20230238480
    Abstract: A radiation emitting semiconductor chip may include a first semiconductor layer sequence, a second semiconductor layer sequence arranged on the first semiconductor layer sequence, a first contact structure configured to inject charge carriers into the first semiconductor layer sequence, and a contact layer sequence configured to inject charge carriers into the second semiconductor layer sequence. The first contact structure and the contact layer sequence may be formed without overlapping in lateral directions in plan view. The contact layer sequence may have a sheet resistance, which increases in the direction of the first contact structure.
    Type: Application
    Filed: May 28, 2021
    Publication date: July 27, 2023
    Inventor: Ivar TANGRING
  • Publication number: 20230231093
    Abstract: In an embodiment an optoelectronic semiconductor chip includes a semiconductor layer sequence including a first semiconductor layer, a second semiconductor layer, and an active layer arranged between the first semiconductor layer and the second semiconductor layer, a via having a plurality of recesses and a contact layer, wherein the first semiconductor layer has a first electrical contact region, wherein the second semiconductor layer has a second electrical contact region, wherein the via completely penetrates the first semiconductor layer and the active layer and is electrically connected to the second contact region, wherein the first contact region is arranged within the recesses of the via, and wherein the first contact region is divided into a plurality of partial regions, each partial region being arranged in one of the recesses and the partial regions being separated from each other.
    Type: Application
    Filed: June 23, 2021
    Publication date: July 20, 2023
    Inventor: Ivar Tangring
  • Patent number: 11616178
    Abstract: A method for producing a plurality of radiation emitting semiconductor devices and a radiation emitting semiconductor device are disclosed. In an embodiment a method include providing an auxiliary carrier, applying a plurality of radiation-emitting semiconductor chips to the auxiliary carrier with front sides so that rear sides of the semiconductor chips are freely accessible, wherein each rear side of the respective semiconductor chip has at least one electrical contact, applying spacers to the auxiliary carrier so that the spacers directly adjoin side surfaces of the semiconductor chips and applying a casting compound between the semiconductor chips by a screen printing process such that a semiconductor chip assembly is formed, wherein a screen for the screen printing process has a plurality of cover elements, and wherein each cover element covers at least one electrical contact.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: March 28, 2023
    Assignee: OSRAM OLED GMBH
    Inventors: Ivar Tangring, Thomas Schlereth
  • Patent number: 11616175
    Abstract: The invention relates to a luminophore mixture which comprises at least one quantum dot luminophore and at least one functional material, the functional material is formed such that it scatters electromagnetic radiation and/or has a high density.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: March 28, 2023
    Assignee: Osram OLED GmbH
    Inventors: Ralph Bertram, Ivar Tangring, Philipp Pust
  • Patent number: 11611019
    Abstract: An optoelectronic component may include a semiconductor chip configured to emit radiation and a reflection element disposed in the beam path of the semiconductor chip where the reflection element is configured to reflect radiation. The reflection element may include a matrix material having diffuser particles and filler particles embedded therein. The diffuser particles are different from the filler particles. The filler particles may include a matrix having scatter particles embedded therein and/or a ceramic comprising the scatter particles in sintered form.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: March 21, 2023
    Assignee: Osram OLED GmbH
    Inventor: Ivar Tångring
  • Patent number: 11594659
    Abstract: An optoelectronic component is specified comprising a semiconductor body comprising a first semiconductor layer sequence and a second semiconductor layer sequence which are arranged on top of one another in a stacking direction, wherein the first semiconductor layer sequence has a first active region, which generates electromagnetic primary radiation with a first peak wavelength the second semiconductor layer sequence comprises a second active region, which has a section configured to partially absorb electromagnetic primary radiation and to re-emit electromagnetic secondary radiation having a second peak wavelength, and the first peak wavelength is in a red wavelength range and the second peak wavelength is in an infrared wavelength range, or the first peak wavelength is smaller than the second peak wavelength by at most 100 nanometers.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: February 28, 2023
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Ivar Tångring, Stefan Heckelmann
  • Publication number: 20220376133
    Abstract: In an embodiment a method includes arranging a plurality of semiconductor chips on a carrier, arranging an auxiliary carrier on sides of the semiconductor chips facing away from the carrier, removing the carrier, separating the auxiliary carrier between the semiconductor chips to form auxiliary carrier-chip units, each of the auxiliary carrier-chip units has at least one semiconductor chip and an auxiliary carrier part adjoining the semiconductor chip, arranging each of the auxiliary carrier-chip units on a connecting carrier and removing the auxiliary carrier parts from each auxiliary carrier-chip unit.
    Type: Application
    Filed: October 26, 2020
    Publication date: November 24, 2022
    Inventors: Ivar Tangring, Gudrun Lindberg, Viktor Geringer, Sophia Huppmann
  • Patent number: 11493702
    Abstract: The invention relates to an optoelectronic component, which, in at least one embodiment, comprises an optoelectronic semiconductor chip having an emission side and a conversion element on the emission side. The conversion element is configured for conversion of a primary beam emitted by the semiconductor chip in operation as intended. The conversion element is divided into at least one first layer and one second layer. The first layer is arranged between the second layer and the emission side. The first layer comprises a first matrix material having fluorescent particles introduced therein. The second layer comprises a second matrix material having fluorescent particles introduced therein. The first matrix material of the first layer has a higher index of refraction than the second matrix material of the second layer.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: November 8, 2022
    Assignee: OSRAM OLED GmbH
    Inventors: Ivar Tångring, Rebecca Römer, Claudia Jurenka
  • Publication number: 20220336700
    Abstract: A radiation emitting semiconductor chip may be configured to emit electromagnetic radiation from a radiation exit surface during operation. The chip may include a carrier on which a first epitaxial semiconductor layer sequence of a first conductivity type and a second epitaxial semiconductor layer sequence of a second conductivity type different from the first conductivity type are arranged, a first current spreading layer arranged between the first semiconductor layer sequence and the carrier, a second current spreading layer arranged between the first current spreading layer and the carrier, a dielectric layer arranged in regions between the first current spreading layer and the second current spreading layer, a reflective layer arranged between the second current spreading layer and the carrier, and an electrically insulating layer arranged in regions between the second current spreading layer and the reflective layer.
    Type: Application
    Filed: September 23, 2020
    Publication date: October 20, 2022
    Inventor: Ivar TANGRING
  • Publication number: 20220336713
    Abstract: An optoelectronic semiconductor chip may include a semiconductor body having an upper side and flanks running transversely to the upper side which delimit the semiconductor body in a lateral direction. The flanks are each covered with a first passivation layer. In the region of the flanks in each case a second passivation layer may be arranged between the first passivation layer and the semiconductor body, the index of refraction of the second passivation layer being lower than the index of refraction of the first passivation layer. The indices of refraction may be understood to be the indices of refraction for the radiation generated by the active layer during operation.
    Type: Application
    Filed: August 7, 2020
    Publication date: October 20, 2022
    Inventor: Ivar TANGRING
  • Publication number: 20220320404
    Abstract: In an embodiment an optoelectronic semiconductor component includes a heat dissipating structure having a plurality of protrusions and a radiation emitting semiconductor chip, wherein the semiconductor chip is arranged at the heat dissipating structure, wherein at least some of the protrusions are arranged at a radiation exit side of the component, and wherein a height of at least some of the protrusions corresponds at least to a height of the semiconductor chip.
    Type: Application
    Filed: September 23, 2020
    Publication date: October 6, 2022
    Inventor: Ivar Tangring
  • Publication number: 20220320403
    Abstract: In an embodiment a component includes a semiconductor body, a converter layer, a filling layer and an intermediate layer arranged in a vertical direction between the semiconductor body and the converter layer, wherein the semiconductor body has a surface which faces the converter layer, is structured and has vertical recesses, wherein the vertical recesses are filled with a material of the filling layer that has a higher thermal conductivity than silicone, wherein the intermediate layer or the semiconductor body has a higher mechanical hardness than the filling layer, and wherein the structured surface of the semiconductor body has local elevations and local recesses, the structured surface including exclusively the surface of an n-type or a p-type semiconductor layer.
    Type: Application
    Filed: July 30, 2020
    Publication date: October 6, 2022
    Inventor: Ivar Tangring
  • Publication number: 20220271202
    Abstract: In an embodiment an optoelectronic component includes a carrier with a mounting area, an optoelectronic semiconductor chip, a dielectric protective layer and a dielectric encapsulation, wherein the protective layer is directly located at the mounting area in a chip mounting region, wherein the semiconductor chip is located at the protective layer in the chip mounting region and is electrically conductively connected with the carrier, wherein the encapsulation is directly located at the mounting area in a region adjacent to the chip mounting region and is directly located at the protective layer in an overlap region, and wherein the encapsulation is arranged exclusively in the region adjacent to the semiconductor chip.
    Type: Application
    Filed: September 3, 2020
    Publication date: August 25, 2022
    Applicants: OSRAM Opto Semiconductors GmbH, OSRAM Opto Semiconductors GmbH
    Inventor: Ivar Tangring
  • Patent number: 11404611
    Abstract: In an embodiment a method for producing a semiconductor device includes providing a carrier with a semiconductor component arranged on the carrier, providing a layer arrangement on the carrier, the layer arrangement adjoining the semiconductor component and comprising a first and a second flowable layer, wherein the first layer is formed on the carrier and then the second layer is formed on the first layer, wherein the first layer comprises particles, wherein a density of the first layer is greater than a density of the second layer, and wherein a lateral wetting of the semiconductor component with the first layer occurs such that the first layer comprises a first configuration comprising a curved layer surface laterally with respect to the semiconductor component, and centrifuging the carrier such that the first layer comprises a second configuration as a result, wherein the first layer cannot return to the first configuration since the second layer is arranged on the first layer.
    Type: Grant
    Filed: August 16, 2018
    Date of Patent: August 2, 2022
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Ivar Tangring, Gregory Bellynck
  • Publication number: 20220190222
    Abstract: An optoelectronic semiconductor device may include a first semiconductor layer of a first conductivity type and a second semiconductor layer of a second conductivity type, a dielectric layer, and a transparent conductive layer. The first and second semiconductor layers may be stacked one on top of the other to form a layer stack, and a first main surface of the first semiconductor layer may be roughened. The dielectric layer may be arranged over the first main surface of the first semiconductor layer and may have a planar first main surface on a side facing away from the first semiconductor layer. The transparent conductive layer may be arranged over the side of the dielectric layer facing away from the first semiconductor layer.
    Type: Application
    Filed: March 23, 2020
    Publication date: June 16, 2022
    Inventor: Ivar Tangring
  • Publication number: 20220158034
    Abstract: An optoelectronic semiconductor device may include a first and a second semiconductor layer having a first and a second conductivity type. The optoelectronic semiconductor device may include a first contact layer in direct contact with the first semiconductor layer, a first insulating layer formed over the semiconductor layers, and a second current spreading structure electrically connected to the second semiconductor layer. A maximum lateral extension of the second semiconductor layer is greater than a maximum lateral extension of the first semiconductor layer, such that a step structure is formed, and the first insulating layer is formed as a conformal layer over the step structure. A second insulating layer may be arranged between a horizontal surface of the first contact layer and the second current spreading structure. The thickness of the second insulating layer is smaller than the smallest thickness of the first insulating layer over the step structure.
    Type: Application
    Filed: March 16, 2020
    Publication date: May 19, 2022
    Inventors: Ivar Tangring, Michael Huber
  • Publication number: 20220077369
    Abstract: In an embodiment an optoelectronic component includes a first joining partner including an LED chip with a structured light-emitting surface and a compensation layer applied to the light-emitting surface, wherein the compensation layer has a surface facing away from the light-emitting surface and spaced apart from the light-emitting surface, and wherein the surface forms a first connecting surface, a second joining partner having a second connecting surface, the first and second connecting surfaces being arranged such that they face each other and a bonding layer made of a film of low-melting glass having a layer thickness of not more than 1 ?m, wherein the bonding layer bonds the first and second connecting surfaces together, wherein the structure of the light-emitting surface is embedded in the compensation layer, and wherein the first and second connecting surfaces are smooth such that their surface roughness, expressed as center-line roughness, is less than or equal to 50 nm.
    Type: Application
    Filed: February 13, 2020
    Publication date: March 10, 2022
    Inventors: Richard Scheicher, Thomas Huettmayer, Ivar Tangring, Angela Eberhardt, Florian Peskoller
  • Publication number: 20220020902
    Abstract: In an embodiment a method includes providing a carrier with an optoelectronic semiconductor chip-component arranged on a top side of the carrier, arranging a first potting material on the top side of the carrier, arranging a second potting material on the first potting material, wherein the second potting material comprises a higher density than the first potting material, wherein a top side of the optoelectronic semiconductor chip-component is covered by neither the first potting material nor the second potting material and allowing a force to act on the first potting material and the second potting material such that the second potting material migrates in a direction toward the top side of the carrier.
    Type: Application
    Filed: December 3, 2019
    Publication date: January 20, 2022
    Inventors: Gregory Bellynck, Ivar Tangring