Patents by Inventor Stefan LISTL

Stefan LISTL 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: 10923640
    Abstract: An optoelectronic component includes a carrier, and a housing material arranged above a top side of a carrier, wherein a cavity is configured in the housing material, a top side of a first optoelectronic semiconductor chip is arranged in the cavity, the first optoelectronic semiconductor chip has a first electrical connection pad arranged at the top side of the first optoelectronic semiconductor chip, and electrically conductively connects by a bond wire to a first contact pad arranged at the top side of the carrier, a first section of the bond wire is arranged in the cavity and a second section of the bond wire is embedded the housing material, a covering material is arranged in the cavity and covers at least one part of the top side of the first optoelectronic semiconductor chip, and the first section of the bond wire is embedded in the covering material.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: February 16, 2021
    Assignee: OSRAM OLED GmbH
    Inventors: Thomas Schwarz, Stefan Listl, Björn Hoxhold, Frank Singer
  • Publication number: 20180358522
    Abstract: An optoelectronic component includes a carrier, and a housing material arranged above a top side of a carrier, wherein a cavity is configured in the housing material, a top side of a first optoelectronic semiconductor chip is arranged in the cavity, the first optoelectronic semiconductor chip has a first electrical connection pad arranged at the top side of the first optoelectronic semiconductor chip, and electrically conductively connects by a bond wire to a first contact pad arranged at the top side of the carrier, a first section of the bond wire is arranged in the cavity and a second section of the bond wire is embedded the housing material, a covering material is arranged in the cavity and covers at least one part of the top side of the first optoelectronic semiconductor chip, and the first section of the bond wire is embedded in the covering material.
    Type: Application
    Filed: October 28, 2016
    Publication date: December 13, 2018
    Inventors: Thomas Schwarz, Stefan Listl, Björn Hoxhold, Frank Singer
  • Patent number: 9608401
    Abstract: Method for producing semiconductor laser elements (1) comprises A) providing a carrier composite (20) having a plurality of carriers (2) for the semiconductor laser elements (1), B) providing a laser bar (30) having a plurality of semiconductor laser diodes (3) which comprise a common growth substrate (31) and a semiconductor layer sequence (32) grown thereon, C) generating predetermined breaking points (35) on a substrate underside (34) of the growth substrate (31), said substrate underside facing away from the semiconductor layer sequence (32), D) attaching the laser bar (30) to a carrier upper side (23) of the carrier composite (20), wherein the attachment is performed at an elevated temperature and is followed by cooling, and E) singulating into the semiconductor laser elements (1), wherein steps B) to E) are performed in the indicated sequence.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: March 28, 2017
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Roland Enzmann, Markus Horn, Markus Graul, Thomas Veit, Juergen Dachs, Stefan Listl, Markus Arzberger
  • Publication number: 20150349487
    Abstract: Method for producing semiconductor laser elements (1) comprises A) providing a carrier composite (20) having a plurality of carriers (2) for the semiconductor laser elements (1), B) providing a laser bar (30) having a plurality of semiconductor laser diodes (3) which comprise a common growth substrate (31) and a semiconductor layer sequence (32) grown thereon, C) generating predetermined breaking points (35) on a substrate underside (34) of the growth substrate (31), said substrate underside facing away from the semiconductor layer sequence (32), D) attaching the laser bar (30) to a carrier upper side (23) of the carrier composite (20), wherein the attachment is performed at an elevated temperature and is followed by cooling, and E) singulating into the semiconductor laser elements (1), wherein steps B) to E) are performed in the indicated sequence.
    Type: Application
    Filed: December 17, 2013
    Publication date: December 3, 2015
    Inventors: Roland ENZMANN, Markus HORN, Markus GRAUL, Thomas VEIT, Juergen DACHS, Stefan LISTL, Markus ARZBERGER