Patents by Inventor Uwe Strauss

Uwe Strauss 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: 8976829
    Abstract: An edge-emitting semiconductor laser is specified. A semiconductor body includes an active zone suitable for producing electromagnetic radiation. At least two facets on the active zone form a resonator. At least two contact points are spaced apart from one another in a lateral direction by at least one intermediate region and are mounted on an outer face of the semiconductor body.
    Type: Grant
    Filed: May 9, 2011
    Date of Patent: March 10, 2015
    Assignee: Osram Opto Semiconductors GmbH
    Inventors: Harald Koenig, Uwe Strauss, Wolfgang Reill
  • Publication number: 20150063395
    Abstract: An optoelectronic semiconductor chip, based on a nitride material system, comprising at least one active quantum well, wherein during operation electromagnetic radiation is generated in the active quantum well, the active quantum well comprises N successive zones in a direction parallel to a growth direction z of the semiconductor chip, N being a natural number greater than or equal to 2, the zones are numbered consecutively in a direction parallel to the growth direction z, at least two of the zones have average aluminium contents k which differ from one another, and the active quantum well fulfils the condition: 50??(35?k(z))dz?2.5N?1.5?dz?120.
    Type: Application
    Filed: November 6, 2014
    Publication date: March 5, 2015
    Inventors: Adrian AVRAMESCU, Désirée Queren, Christoph Eichler, Matthias Sabathil, Stephan Lutgen, Uwe Strauss
  • Publication number: 20150003042
    Abstract: A conversion element (10) is specified, comprising a scattering layer (12), a reflection layer (14), and a conversion layer (16) arranged between the scattering layer (12) and the reflection layer (14). The scattering layer (12) is designed to transmit a first portion (20) of a primary radiation (18) impinging on it from a side facing away from the conversion layer (16) into the conversion layer (16), and to scatter a second portion (22) of the primary radiation (18) impinging on it towards that side of the scattering layer (12) which faces away from the conversion layer (16). The conversion layer (16) comprises at least one conversion means (25) which is designed to convert at least part of the first portion of the primary radiation (18) into a second radiation (19) having a higher wavelength different from the primary radiation (18). The reflection layer (14) has a reflective effect at least with regard to the second radiation (19).
    Type: Application
    Filed: February 22, 2013
    Publication date: January 1, 2015
    Inventor: Uwe Strauß
  • Publication number: 20140362883
    Abstract: A laser diode assembly includes a housing having a housing part and a mounting part, which is connected to the housing part and which extends away from the housing part along an extension direction. A laser diode chip is disposed on the mounting part. The laser diode chip has, on a substrate, semiconductor layers with an active layer for emitting light. The housing part and the mounting part have a main body composed of copper and at least the housing part is steel-sheathed. A first solder layer having a thickness of greater than or equal to 2 ?m is arranged between the laser diode chip and the mounting part. The laser diode chip has a radiation coupling-out area, on which a crystalline protective layer is applied.
    Type: Application
    Filed: April 29, 2014
    Publication date: December 11, 2014
    Inventors: Alfred Lell, Uwe Strauss, Soenke Tautz, Clemens Vierheilig
  • Patent number: 8908733
    Abstract: In at least one embodiment of the optoelectronic semiconductor chip (1), the latter is based on a nitride material system and comprises at least one active quantum well (2). The at least one active quantum well (2) is designed to generate electromagnetic radiation when in operation. Furthermore, the at least one active quantum well (2) comprises N successive zones (A) in a direction parallel to a growth direction z of the semiconductor chip (1), N being a natural number greater than or equal to 2. At least two of the zones (A) of the active quantum well (2) have mutually different average indium contents c. Furthermore the at least one active quantum well (2) fulfills the condition: 40??c(z)dz?2.5N?1.5?dz?80.
    Type: Grant
    Filed: March 10, 2010
    Date of Patent: December 9, 2014
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Adrian Avramescu, Désirée Queren, Christoph Eichler, Matthias Sabathil, Stephan Lutgen, Uwe Strauss
  • Patent number: 8897327
    Abstract: A laser diode device including a housing having a mounting area in a cavity of the housing, at least one laser diode chip that emits electromagnetic radiation through a radiation exit area during operation, at least one covering element which is transmissive, at least in places, to the electromagnetic radiation generated by the laser diode chip during operation, and a deflection element, that directs at least part of the electromagnetic radiation generated by the laser diode chip during operation in a direction of the covering element, wherein the radiation exit area of the laser diode chip runs substantially transversely or substantially perpendicularly with respect to the mounting area and/or with respect to the covering element, the covering element connects to the housing, and the covering element tightly closes the housing.
    Type: Grant
    Filed: April 15, 2013
    Date of Patent: November 25, 2014
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Karsten Auen, Uwe Strauss, Thomas Höfer
  • Publication number: 20140341247
    Abstract: A laser diode device has a housing with a mounting part and a laser diode chip, which is based on a nitride compound semi-conductor material, in the housing on the mounting part. The laser diode chip is mounted directly on the mounting part by means of a solder layer and the solder layer has a thickness of greater than or equal to 3 ?m.
    Type: Application
    Filed: March 11, 2013
    Publication date: November 20, 2014
    Inventors: Uwe Strauß, Sönke Tautz, Alfred Lell, Clemens Vierheilig
  • Publication number: 20140334508
    Abstract: A semiconductor laser diode is provided. A semiconductor layer sequence has semiconductor layers applied vertically one above the other. An active layer includes an active region having a width of greater than or equal to 30 ?m emitting laser radiation during operation via a radiation coupling-out surface. The radiation coupling-out surface is formed by a lateral surface of the semiconductor layer sequence and forms, with an opposite rear surface, a resonator having lateral gain-guiding in a longitudinal direction. The semiconductor layer sequence is heated in a thermal region of influence by reason of the operation.
    Type: Application
    Filed: November 12, 2012
    Publication date: November 13, 2014
    Applicant: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Christian Lauer, Harald König, Uwe Strauß, Alexander Bachmann
  • Patent number: 8867582
    Abstract: A laser diode assembly includes a housing having a housing part and a mounting part that is connected to the housing part and that extends away from the housing part along an extension direction. A laser diode chip is disposed on the mounting part. The laser diode chip has, on a substrate, semiconductor layers with an active layer for emitting light. The housing part and the mounting part have a main body composed of copper and at least the housing part is steel-sheathed. A first solder layer having a thickness of greater than or equal to 3 ?m is arranged between the laser diode chip and the mounting part.
    Type: Grant
    Filed: April 4, 2013
    Date of Patent: October 21, 2014
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Uwe Strauss, Soenke Tautz, Alfred Lell, Karsten Auen, Clemens Vierheilig
  • Patent number: 8831061
    Abstract: An edge emitting semiconductor laser chip includes a semiconductor body, which comprises at least one active zone in which electromagnetic radiation is generated during the operation of the semiconductor laser chip. At least one contact strip is arranged on a top surface at a top side of the semiconductor body. At least two delimiting structures are for delimiting the current spreading between the contact strip and the active zone. The delimiting structures are arranged on both sides of the contact strip.
    Type: Grant
    Filed: October 21, 2009
    Date of Patent: September 9, 2014
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Christian Lauer, Harald König, Wolfgang Reill, Uwe Strauss
  • Patent number: 8737445
    Abstract: A laser diode assembly includes a housing having a housing part and a mounting part, which is connected to the housing part and which extends away from the housing part along an extension direction. A laser diode chip is disposed on the mounting part. The laser diode chip has, on a substrate, semiconductor layers with an active layer for emitting light. The housing part and the mounting part have a main body composed of copper and at least the housing part is steel-sheathed. A first solder layer having a thickness of greater than or equal to 2 ?m is arranged between the laser diode chip and the mounting part. The laser diode chip has a radiation coupling-out area, on which a crystalline protective layer is applied.
    Type: Grant
    Filed: April 4, 2013
    Date of Patent: May 27, 2014
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Alfred Lell, Soenke Tautz, Uwe Strauss, Clemens Vierheilig
  • Patent number: 8711893
    Abstract: An optoelectronic component contains an epitaxial layer sequence based on a nitride compound semiconductor having an active layer and an epitaxial growth substrate comprising Al1-xGaxN, where 0<x<0.95. In a method for producing an optoelectronic component an epitaxial growth substrate of Al1-x(InyGa1-y)xN or In1-xGaxN, where 0<x<0.99 and 0?y?1, is provided and an epitaxial layer sequence, which is based on a nitride compound semiconductor and contains an active layer, is grown thereon.
    Type: Grant
    Filed: January 28, 2009
    Date of Patent: April 29, 2014
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Adrian Stefan Avramescu, Christoph Eichler, Uwe Strauss, Volker Haerle
  • Publication number: 20140045279
    Abstract: A method can be used to produce a semiconductor component. A semiconductor layer sequence has an active region that is provided for generating radiation and also has an indicator layer. Material of the semiconductor layer sequence that is arranged on that side of the indicator layer that is remote from the active region is removed in regions. The material is removed using a dry-chemical removal of the semiconductor layer sequence. A property of a process gas is monitored during the removal to determine that the indicator layer has been reached based on a change in the property of the process gas.
    Type: Application
    Filed: October 22, 2013
    Publication date: February 13, 2014
    Inventors: Christoph Eichler, Uwe Strauss
  • Patent number: 8581280
    Abstract: An optoelectronic semiconductor chip (1) having a semiconductor layer sequence (2), which comprises an active region (3) suitable for generating radiation and has a lateral main extension direction. The semiconductor layer sequence is arranged by a substrate (4) having a side surface (17), the side surface has a side surface region (18) that is beveled with respect to the main extension direction, and/or a cutout (21), and the semiconductor chip has a radiation-transmissive and electrically conductive contact layer (5).
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: November 12, 2013
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Michael Fehrer, Uwe Strauss
  • Patent number: 8564185
    Abstract: A semiconductor light source is provided, the semiconductor light source having a primary radiation source (1) which, when the semiconductor light source is operated, emits electromagnetic primary radiation (5) in a first wavelength range, and having a luminescence conversion module (2) into which primary radiation (5) emitted by the primary radiation source (1) is fed. The luminescence conversion module (2) contains a luminescence conversion element (6) which, by means of a luminescent material, absorbs primary radiation (5) from the first wavelength range and emits electromagnetic secondary radiation (15) in a second wavelength range. The luminescence conversion element (6) is arranged on a heat sink (3) at a distance from the primary radiation source (1).
    Type: Grant
    Filed: September 11, 2008
    Date of Patent: October 22, 2013
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Hubert Ott, Alfred Lell, Sönke Tautz, Uwe Strauss, Frank Baumann, Kirstin Petersen
  • Patent number: 8565278
    Abstract: A semiconductor component includes a semiconductor body with a semiconductor layer sequence having an active region, provided for generating coherent radiation, and an indicator layer. With respect to an interface which delimits the semiconductor body in regions in a vertical direction, on that side of said interface which is remote from the active region, the semiconductor body has a web-like region extending in a vertical direction between the interface and a surface of the semiconductor body. The indicator layer has a material composition that differs from that of the material of the web-like region which adjoins the indicator layer. A distance between the indicator layer and the surface is at most of the same magnitude as a distance between the interface and the surface.
    Type: Grant
    Filed: March 9, 2009
    Date of Patent: October 22, 2013
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Christoph Eichler, Uwe Strauss
  • Publication number: 20130272333
    Abstract: A laser diode device is specified, comprising a housing having a mounting part and a laser diode chip based on a nitride compound semiconductor material in the housing on the mounting part, wherein the laser diode chip is mounted directly on the mounting part using a solder layer, and the solder layer has a thickness of greater than or equal to 3 ?m.
    Type: Application
    Filed: April 9, 2013
    Publication date: October 17, 2013
    Inventors: Uwe Strauss, Soenke Tautz, Alfred Lell, Clemens Vierheilig
  • Publication number: 20130272329
    Abstract: A laser diode device including a housing having a mounting area in a cavity of the housing, at least one laser diode chip that emits electromagnetic radiation through a radiation exit area during operation, at least one covering element which is transmissive, at least in places, to the electromagnetic radiation generated by the laser diode chip during operation, and a deflection element, that directs at least part of the electromagnetic radiation generated by the laser diode chip during operation in a direction of the covering element, wherein the radiation exit area of the laser diode chip runs substantially transversely or substantially perpendicularly with respect to the mounting area and/or with respect to the covering element, the covering element connects to the housing, and the covering element tightly closes the housing.
    Type: Application
    Filed: April 15, 2013
    Publication date: October 17, 2013
    Applicant: OSRAM Opto Semiconductors GmbH
    Inventors: Karsten Auen, Uwe Strauss, Thomas Höfer
  • Publication number: 20130266035
    Abstract: A housing for an optoelectronic semiconductor component includes a housing body having a mounting plane and a leadframe with a first connection conductor and a second connection conductor. The housing body deforms the leadframe in some regions. The leadframe has a main extension plane which extends obliquely or perpendicularly with respect to the mounting plane. A semiconductor component having such a housing and a semiconductor chip and a method for producing a housing are also disclosed.
    Type: Application
    Filed: September 13, 2011
    Publication date: October 10, 2013
    Applicant: OSRAM Opto Semiconductors GmbH
    Inventors: Uwe Strauss, Markus Arzberger
  • Patent number: 8536603
    Abstract: An optoelectronic semiconductor chip having a semiconductor layer sequence with a plurality of layers arranged over one another includes an active layer with an active region which emits electromagnetic radiation in an emission direction when in operation, a first grating layer on the active layer which, in an emission direction, has a plurality of stripes in the form of grating lines extending perpendicularly to the emission direction with spaces arranged therebetween, and a second grating layer on the first grating layer which covers the stripes of the first grating layer and the spaces and which comprises a transparent material applied by non-epitaxial application.
    Type: Grant
    Filed: October 12, 2009
    Date of Patent: September 17, 2013
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Stefan Illek, Uwe Strauss