Patents by Inventor Stefan Illek

Stefan Illek 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: 10426006
    Abstract: An optoelectronic component includes at least one first carrier with at least two light emitting diodes, wherein the diodes have electrical connections, the electrical connections are led to contact areas, and the contact areas are arranged on an underside of the first carrier; and a second carrier, wherein further contact areas are arranged on a top side of the second carrier, the first carrier bears by the underside on the top side of the second carrier and fixedly connects to the second carrier, and an electronic circuit for open-loop and/or closed-loop control of the power supply of the diodes is integrated in the second carrier.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: September 24, 2019
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Peter Nagel, Stefan Illek
  • Patent number: 10256380
    Abstract: A method of producing an optoelectronic component includes embedding an optoelectronic component part into a molded body such that an upper side of the optoelectronic component part is at least partially exposed on an upper side of the molded body; arranging and structuring a sacrificial layer above the upper side of the optoelectronic component part and the upper side of the molded body; arranging and structuring a layer of an optical material above the sacrificial layer; and removing the sacrificial layer.
    Type: Grant
    Filed: November 5, 2015
    Date of Patent: April 9, 2019
    Assignee: OSRAM Opto Seiconductors GmbH
    Inventors: Wolfgang Moench, Frank Singer, Thomas Schwarz, Jürgen Moosburger, Stefan Illek
  • Publication number: 20190051788
    Abstract: A light source is disclosed. In an embodiment a light source includes at least one first semiconductor emitter for generating first light, at least one second semiconductor emitter for generating second light, the second light having a different color than the first light, a light mixing body configured to produce a mixed light from the first and second lights and a detector on the light mixing body, the detector configured to determine a color locus of the mixed light, wherein the first and second semiconductor emitters are arranged along a line and have different distances from the detector, wherein the light mixing body is arranged on side surfaces of the first and second semiconductor emitters and in projection onto the side surfaces at least partially covers each of the side surfaces, so that the detector receives light from each of the first and second semiconductor emitters through the light mixing body.
    Type: Application
    Filed: May 29, 2017
    Publication date: February 14, 2019
    Inventors: Frank Singer, Alexander Linkov, Stefan Illek, Rainer Butendeich, Christoph Koller, Thomas Schwarz
  • Publication number: 20190021150
    Abstract: A method of operating a semiconductor light source, wherein the semiconductor light source includes at least one first light source that generates blue light; at least one second light source that generates bluish-white light; at least one third light source that produces greenish-white light; at least one fourth light source that generates red light, wherein no further light sources are present, the light sources can be controlled independently of one another, the light sources are operated in a continuous wave mode and not by pulse width modulation, and the semiconductor light source is operated such that all in all white mixed light having a tunable correlated color temperature is generated, and each of the light sources is operated exclusively with at least 5% of an intended maximum current in the switched-on state of the semiconductor light source so that an undercurrent operation of the light sources is prevented.
    Type: Application
    Filed: February 7, 2017
    Publication date: January 17, 2019
    Inventors: Rainer Butendeich, Stefan Illek
  • Publication number: 20180322825
    Abstract: A display device is disclosed. In an embodiment a display device includes at least one connection carrier comprising a multiplicity of switches and a multiplicity of light-emitting diode chips, wherein each light-emitting diode chip is mechanically fixed and electrically connected to the connection carrier, wherein each switch is designed for driving at least one light-emitting diode chip, and wherein the light-emitting diode chips are imaging elements of the display device.
    Type: Application
    Filed: July 12, 2018
    Publication date: November 8, 2018
    Inventors: Stefan Illek, Norwin von Malm, Tilman Ruegheimer
  • Publication number: 20180287022
    Abstract: A method of producing an optoelectronic component includes embedding an optoelectronic component part into a molded body such that an upper side of the optoelectronic component part is at least partially exposed on an upper side of the molded body; arranging and structuring a sacrificial layer above the upper side of the optoelectronic component part and the upper side of the molded body; arranging and structuring a layer of an optical material above the sacrificial layer; and removing the sacrificial layer.
    Type: Application
    Filed: November 5, 2015
    Publication date: October 4, 2018
    Inventors: Wolfgang Moench, Frank Singer, Thomas Schwarz, Jürgen Moosburger, Stefan Illek
  • Publication number: 20180261735
    Abstract: A radiation-emitting optoelectronic semiconductor component and a method for producing the same are disclosed. In an embodiment the semiconductor component includes a radiation passage surface, through which light produced during the operation of the semiconductor component passes, a first barrier layer arranged on a top side of the radiation passage surface and in direct contact with the radiation passage surface, a conversion element arranged on the top side of the first barrier layer, a second barrier layer arranged on the top side of the conversion element and on the top side of the first barrier layer, wherein the first barrier layer and the second barrier layer together completely enclose the conversion element, and wherein the first barrier layer and the second barrier layer are in direct contact with each other at some points.
    Type: Application
    Filed: December 1, 2015
    Publication date: September 13, 2018
    Applicant: OSRAM Opto Semiconductors GmbH
    Inventors: Thomas SCHWARZ, Frank SINGER, Stefan ILLEK, Michael ZIZLSPERGER, Britta GÖÖTZ
  • Patent number: 10074769
    Abstract: A method of producing an optoelectronic component includes providing a carrier having a carrier surface, a first lateral section of the carrier surface being raised relative to a second lateral section of the carrier surface; arranging an optoelectronic semiconductor chip having a first surface and a second surface on the carrier surface, wherein the first surface faces toward the carrier surface; and forming a molded body having an upper side facing toward the carrier surface and a lower side opposite the upper side, the semiconductor chip being at least partially embedded in the molded body.
    Type: Grant
    Filed: February 6, 2014
    Date of Patent: September 11, 2018
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Thomas Schwarz, Hans-Jürgen Lugauer, Jürgen Moosburger, Stefan Illek, Tansen Varghese, Matthias Sabathil
  • Patent number: 10062320
    Abstract: A display device includes a multiplicity of pixels, at least one connection carrier, and a multiplicity of inorganic light-emitting diode chips. The connection carrier includes a multiplicity of switches. Each pixel contains at least one light-emitting diode chip. Each light-emitting diode chip is mechanically fixed and electrically connected to the connection carrier. Each switch is designed for driving at least one light-emitting diode chip and the light-emitting diode chips are imaging elements of the display device.
    Type: Grant
    Filed: March 1, 2012
    Date of Patent: August 28, 2018
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Stefan Illek, Norwin von Malm, Tilman Ruegheimer
  • Publication number: 20180166428
    Abstract: A light source includes a plurality of semiconductor components, wherein a semiconductor component includes a plurality of light-emitting diodes, the diodes are arranged in a predefined grid in at least one column in or on the semiconductor component, and a control circuit that drives the individual diodes is arranged on the semiconductor component.
    Type: Application
    Filed: May 17, 2016
    Publication date: June 14, 2018
    Inventors: Matthias GOLDBACH, Juergen HOLZ, Stefan ILLEK, Stefan GROETSCH
  • Patent number: 9978733
    Abstract: An optoelectronic semiconductor component includes an optoelectronic semiconductor chip with a first surface and a second surface. The component also includes a protective chip which has a protective diode, a first surface and a second surface. The semiconductor chip and the protective chip are embedded in a molded body. A first electrical contact and a second electrical contact are arranged on the first surface of the semiconductor chip. A third electrical contact and a fourth electrical contact are arranged on the first surface of the protective chip. The first electrical contact is electrically connected to the third electrical contact. In addition, the second electrical contact is electrically connected to the fourth electrical contact.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: May 22, 2018
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Stefan Illek, Matthias Sabathil
  • Patent number: 9954150
    Abstract: The invention relates to a light-emitting semiconductor component comprising a light-emitting semiconductor chip with a semiconductor layer series, a light out-coupling surface, a rear surface lying opposite said light out-coupling surface and lateral surfaces, and a support body with a shaped body that directly covers the lateral surfaces in form-locked manner, two electric contact layers and a thermal contact layer being provided on the rear surface. The thermal contact layer is electrically insulated from the electric contact layers and the semiconductor layer series, the support body has electric connection elements in direct contact with the electric contact layers and a thermal connection element in direct contact with the thermal contact layer on the rear surface and the thermal connection element at least partially forms an assembly surface of the semiconductor component facing away from the semiconductor chip. The invention further relates to a method for producing a semiconductor component.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: April 24, 2018
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Thomas Schwarz, Stefan Illek
  • Publication number: 20180069147
    Abstract: Disclosed is a method for producing a plurality of semiconductor chips (10). A composite (1), which comprises a carrier (4) and a semiconductor layer sequence (2, 3), is provided. Separating trenches (17) are formed in the semiconductor layer sequence (2, 3) along an isolation pattern (16). A filling layer (11) limiting the semiconductor layer sequence (2, 3) toward the separating trenches (17) is applied to a side of the semiconductor layer sequence (2, 3) facing away from the carrier (4). Furthermore, a metal layer (10) adjacent to the filling layer (11) is applied in the separating trenches (17). The semiconductor chips (20) are isolated by removing the metal layer (10) adjacent to the filling layer (11) in the separating trenches (17). Each isolated semiconductor chip (20) has one part of the semiconductor layer sequence (2, 3), and of the filling layer (11). Also disclosed is a semiconductor chip (10).
    Type: Application
    Filed: February 15, 2016
    Publication date: March 8, 2018
    Inventors: Lutz HOEPPEL, Alexander F. PFEUFFER, Dominik SCHOLZ, Isabel OTTO, Norwin VON MALM, Stefan ILLEK
  • Publication number: 20170365752
    Abstract: Disclosed is a conversion element (100). The conversion element (100) comprises: a conversion coating (16), which contains a wavelength-converting conversion material; a first encapsulation coating (30) on a first main surface (20) of the conversion coating, said first encapsulation coating having a thickness of between 10 ?m and 500 ?m; and a second encapsulation coating (32) on a second main surface (22) of the conversion coating, said second encapsulation coating having a thickness of between 0.1 ?m and 20 ?m. Also disclosed are an optoelectronic semiconductor component (200) and a method for producing conversion elements.
    Type: Application
    Filed: December 4, 2015
    Publication date: December 21, 2017
    Inventors: Thomas SCHWARZ, Frank SINGER, Stefan ILLEK, Michael ZITZLSPERGER, Britta GOEOETZ, Dominik SCHULTEN
  • 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
  • Patent number: 9847461
    Abstract: An optoelectronic semiconductor component has a volume-emitting sapphire flip-chip with an upper side and a lower side. This optoelectronic semiconductor component is embedded in an optically transparent mold body with an upper side and a lower side.
    Type: Grant
    Filed: July 18, 2013
    Date of Patent: December 19, 2017
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Matthias Sabathil, Stefan Illek, Thomas Schwarz
  • Patent number: 9837591
    Abstract: A radiation-emitting semiconductor device includes at least one semiconductor chip having a semiconductor layer sequence having an active region that produces radiation; a mounting surface on which at least one electrical contact for external contacting of the semiconductor chip is formed, wherein the mounting surface runs parallel to a main extension plane of the semiconductor layer sequence; a radiation exit surface running at an angle to or perpendicularly to the mounting surface; a radiation-guiding layer arranged in a beam path between the semiconductor chip and the radiation exit surface; and a reflector body adjacent to the radiation-guiding layer in regions and in a top view of the semiconductor device covers the semiconductor chip.
    Type: Grant
    Filed: May 5, 2014
    Date of Patent: December 5, 2017
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Thomas Schwarz, Frank Singer, Alexander Linkov, Stefan Illek, Wolfgang Mönch
  • 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
  • Patent number: 9812619
    Abstract: The present application relates to a method of producing an optoelectronic component. An optoelectronic is produced by this method. An optoelectronic semiconductor chip has a first surface. A sacrificial layer is deposited on the first surface. The optoelectronic semiconductor chip is at least partially embedded in a mold body and the sacrificial layer is removed.
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: November 7, 2017
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Jürgen Moosburger, Thomas Schwarz, Hans-Jürgen Lugauer, Tansen Varghese, Stefan Illek
  • Patent number: 9786824
    Abstract: A method can be used for producing an optoelectronic component. An optoelectronic semiconductor chip has a front face and a rear face. A sacrificial layer is applied to the rear face. A molded body is formed the optoelectronic semiconductor chip being at least partially embedded in the molded body. The sacrificial layer is removed.
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: October 10, 2017
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Stefan Illek, Hans-Jürgen Lugauer, Jürgen Moosburger, Thomas Schwarz, Tansen Varghese