Patents by Inventor Mohammad Tollabi Mazraehno

Mohammad Tollabi Mazraehno 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: 11764330
    Abstract: In an embodiment, an optoelectronic semiconductor component includes a first semiconductor layer of a first conductivity type, a second semiconductor layer of a second conductivity type, wherein a respective semiconductor material of the first and second semiconductor layers are each a compound semiconductor material including a first, a second and a third composition element, and a second contact region configured to electrically contact the second semiconductor layer, wherein the first semiconductor layer is patterned and arranged over the second semiconductor layer, wherein the second contact region is arranged between patterned regions of the first semiconductor layer, wherein the second contact region comprises a second metallic contact layer and a semiconductor contact layer between the second metallic contact layer and the second semiconductor layer, wherein a semiconductor material of the semiconductor contact layer includes the first, second and third composition elements, and wherein a concentration
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: September 19, 2023
    Assignee: OSRAM OLED GmbH
    Inventors: Mohammad Tollabi Mazraehno, Mariel Grace Jama, Hans-Jürgen Lugauer, Alexander Pfeuffer
  • Publication number: 20220029053
    Abstract: In an embodiment an optoelectronic semiconductor component includes a first semiconductor layer of an n-conductivity type, the first semiconductor layer being of AlxGa1-xN composition, with 0.3?x?0.95, a second semiconductor layer of a p-conductivity type, an active zone between the first semiconductor layer and the second semiconductor layer, the active zone including a quantum well structure and an intermediate layer between the first semiconductor layer and the active zone, wherein the intermediate layer includes a semiconductor material of AlyGa1-yN composition, with x*1.05?y?1, and wherein the intermediate layer is located directly adjacent to the active zone.
    Type: Application
    Filed: December 18, 2019
    Publication date: January 27, 2022
    Inventor: Mohammad Tollabi Mazraehno
  • Publication number: 20210288221
    Abstract: In an embodiment, an optoelectronic semiconductor component includes a first semiconductor layer of a first conductivity type, a second semiconductor layer of a second conductivity type, wherein a respective semiconductor material of the first and second semiconductor layers are each a compound semiconductor material including a first, a second and a third composition element, and a second contact region configured to electrically contact the second semiconductor layer, wherein the first semiconductor layer is patterned and arranged over the second semiconductor layer, wherein the second contact region is arranged between patterned regions of the first semiconductor layer, wherein the second contact region comprises a second metallic contact layer and a semiconductor contact layer between the second metallic contact layer and the second semiconductor layer, wherein a semiconductor material of the semiconductor contact layer includes the first, second and third composition elements, and wherein a concentration
    Type: Application
    Filed: August 9, 2019
    Publication date: September 16, 2021
    Inventors: Mohammad Tollabi Mazraehno, Mariel Grace Jama, Hans-Jürgen Lugauer, Alexander Pfeuffer
  • Patent number: 10510916
    Abstract: A component for detecting UV radiation and a method for producing a component are disclosed. In an embodiment a component includes a semiconductor body including a first semiconductor layer, a second semiconductor layer and an intermediate active layer located therebetween, wherein the semiconductor body is based on AlmGa1-n-mInnN with 0?n?1, 0?m?1 and n+m<1, wherein the first semiconductor layer is n-doped, wherein the second semiconductor layer is p-doped, wherein the active layer is formed with respect to its material composition in such a way that during operation of the component, arriving ultraviolet radiation is absorbed by the active layer for generating charge carrier pairs, wherein the active layer is relaxed with respect to its lattice constant, and wherein the first semiconductor layer is strained with respect to its lattice constant.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: December 17, 2019
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Mohammad Tollabi Mazraehno, Peter Stauß, Alvaro Gomez-Iglesias
  • Publication number: 20190221703
    Abstract: A component for detecting UV radiation and a method for producing a component are disclosed. In an embodiment a component includes a semiconductor body including a first semiconductor layer, a second semiconductor layer and an intermediate active layer located therebetween, wherein the semiconductor body is based on AlmGa1-n-mInnN with 0?n?1, 0?m?1 and n+m<1, wherein the first semiconductor layer is n-doped, wherein the second semiconductor layer is p-doped, wherein the active layer is formed with respect to its material composition in such a way that during operation of the component, arriving ultraviolet radiation is absorbed by the active layer for generating charge carrier pairs, wherein the active layer is relaxed with respect to its lattice constant, and wherein the first semiconductor layer is strained with respect to its lattice constant.
    Type: Application
    Filed: May 26, 2017
    Publication date: July 18, 2019
    Applicant: OSRAM Opto Semiconductors GmbH
    Inventors: Mohammad Tollabi Mazraehno, Peter Stauß, Alvaro Gomez-Iglesias