Patents by Inventor Alexander Wilm

Alexander Wilm 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: 9472534
    Abstract: A method of arranging a multiplicity of LEDs in packaging units includes defining a desired range for at least one photometric measurement variable for each of the packaging units; selecting an LED from the multiplicity of LEDs not yet arranged in one of the packaging units; measuring the at least one photometric measurement variable for the selected LED; equipping one of the packaging units containing fewer than N?1 LEDs with the selected LED; storing a measured value and a position of the selected LED in the packaging unit in a memory; repeating until the packaging units are equipped with N?1 LEDs; repeating and calculating the average value of the photometric measurement variable, equipping a packaging unit for which the calculated average value of the variable lies in a defined range with the selected LED; and storing the measured value and the position of the selected LED.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: October 18, 2016
    Assignee: OSRAM Opto Semiconductor GmbH
    Inventors: Alexander Wilm, Roland Schulz, Felix Michel
  • Publication number: 20160247789
    Abstract: A method of arranging a multiplicity of LEDs in packaging units includes defining a desired range for at least one photometric measurement variable for each of the packaging units; selecting an LED from the multiplicity of LEDs not yet arranged in one of the packaging units; measuring the at least one photometric measurement variable for the selected LED; equipping one of the packaging units containing fewer than N?1 LEDs with the selected LED; storing a measured value and a position of the selected LED in the packaging unit in a memory; repeating until the packaging units are equipped with N?1 LEDs; repeating and calculating the average value of the photometric measurement variable, equipping a packaging unit for which the calculated average value of the variable lies in a defined range with the selected LED; and storing the measured value and the position of the selected LED.
    Type: Application
    Filed: April 15, 2016
    Publication date: August 25, 2016
    Inventors: Alexander Wilm, Roland Schulz, Felix Michel
  • Patent number: 9373759
    Abstract: The invention relates to a light-emitting semiconductor component, having: a light-emitting semiconductor chip (1) with an active region (11) which, in operation, emits light (31) having a first spectrum; a wavelength conversion element (2) which is positioned remote from the semiconductor chip (1), is downstream of the semiconductor chip (1) in the beam path of the light (31) having the first spectrum and converts the light (31) having the first spectrum at least partially into light (32) having a second spectrum; and a filter layer (3), which reflects at least a part (34) of a light (33) incident on the semiconductor component from the outside. The part (34) of the light (33) incident on the semiconductor component from the outside that is reflected by the filter layer (3) has a visible wavelength range and overlaps a color impression produced by the wavelength conversion element when the semiconductor component is in a switched-off state.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: June 21, 2016
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventor: Alexander Wilm
  • Publication number: 20150380462
    Abstract: A method of combining LEDs in a packaging unit includes determining a color locus of a multiplicity of LEDs, classifying the LEDs into a plurality of different color locus ranges, each LED classified into a color locus range including the determined color locus of the respective LED, and arranging the LEDs in the packaging unit such that the packaging unit contains a plurality of successive sequences respectively of a plurality of LEDs, wherein each sequence respectively has exactly one LED from each of the color locus ranges, and the LEDs of the different color locus ranges are respectively arranged in the same order within the sequences, wherein the LEDs are arranged in the packaging unit such that they are removable from the packaging unit.
    Type: Application
    Filed: September 9, 2015
    Publication date: December 31, 2015
    Inventor: Alexander Wilm
  • Patent number: 9171884
    Abstract: A method of combining LEDs in a packaging unit includes determining a color locus of a multiplicity of LEDs, classifying the LEDs into a plurality of different color locus ranges, each LED classified into a color locus range comprising the determined color locus of the respective LED, arranging the LEDs in the packaging unit such that the packaging unit contains a plurality of successive sequences respectively of a plurality of LEDs, wherein each sequence respectively has exactly one LED from each of the color locus ranges, and the LEDs of the different color locus ranges are respectively arranged in the same order within the sequences.
    Type: Grant
    Filed: August 22, 2011
    Date of Patent: October 27, 2015
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventor: Alexander Wilm
  • Publication number: 20150243855
    Abstract: The invention relates to a light-emitting semiconductor component, having: - a light-emitting semiconductor chip (1) with an active region (11) which, in operation, emits light (31) having a first spectrum; - a wavelength conversion element (2) which is positioned remote from the semiconductor chip (1), is downstream of the semiconductor chip (1) in the beam path of the light (31) having the first spectrum and converts the light (31) having the first spectrum at least partially into light (32) having a second spectrum; and - a filter layer (3), which reflects at least a part (34) of a light (33) incident on the semiconductor component from the outside. The part (34) of the light (33) incident on the semiconductor component from the outside that is reflected by the filter layer (3) has a visible wavelength range and overlaps a colour impression produced by the wavelength conversion element when the semiconductor component is in a switched-off state.
    Type: Application
    Filed: September 24, 2013
    Publication date: August 27, 2015
    Inventor: Alexander Wilm
  • Publication number: 20140197429
    Abstract: A method of arranging a multiplicity of LEDs in packaging units includes defining a desired range for at least one photometric measurement variable for each of the packaging units; selecting an LED from the multiplicity of LEDs not yet arranged in one of the packaging units; measuring the at least one photometric measurement variable for the selected LED; equipping one of the packaging units containing fewer than N?1 LEDs with the selected LED; storing a measured value and a position of the selected LED in the packaging unit in a memory; repeating until the packaging units are equipped with N?1 LEDs; repeating and calculating the average value of the photometric measurement variable, equipping a packaging unit for which the calculated average value of the variable lies in a defined range with the selected LED; and storing the measured value and the position of the selected LED.
    Type: Application
    Filed: May 16, 2012
    Publication date: July 17, 2014
    Applicant: OSRAM Opto Semiconductors GmbH
    Inventors: Alexander Wilm, Roland Schulz, Felix Michel
  • Patent number: 8733950
    Abstract: An LED projector includes a plurality of light sources; and an image generator which includes an arrangement of pixels, each pixel including at least one light source; wherein the LEDs are stacked epi-LEDs which include layers arranged above one another for different colors, or each pixel includes an emission surface and at least two LEDs are arranged adjacent one another in the emission surface.
    Type: Grant
    Filed: September 9, 2009
    Date of Patent: May 27, 2014
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Stefan Grötsch, Ewald Karl Michael Günther, Alexander Wilm, Siegfried Herrmann
  • Patent number: 8639104
    Abstract: An optical lighting device includes a radiation detector, a first light source and a second light source. The radiation detector includes a semiconductor chip and an optical filter, and has a spectral sensitivity distribution. The first light source generates white radiation. The second light source generates monochrome radiation in the visible spectral range, wherein radiation emitted by the first light source and radiation emitted by the second light source are superimposed to yield mixed radiation which includes a wavelength spectrum. The wavelength spectrum of the mixed radiation is adapted to the spectral sensitivity distribution of the radiation detector.
    Type: Grant
    Filed: May 14, 2010
    Date of Patent: January 28, 2014
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Michael Brandl, Alexander Wilm
  • Patent number: 8562142
    Abstract: A multicolour LED, in which layers for generating light of different colors are arranged one above the other, is used as the light source in a projector.
    Type: Grant
    Filed: May 4, 2009
    Date of Patent: October 22, 2013
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Stefan Groetsch, Ewald Karl Michael Guenther, Alexander Wilm, Siegfried Herrmann
  • Publication number: 20130234176
    Abstract: A method of combining LEDs in a packaging unit includes determining a color locus of a multiplicity of LEDs, classifying the LEDs into a plurality of different color locus ranges, each LED classified into a color locus range comprising the determined color locus of the respective LED, arranging the LEDs in the packaging unit such that the packaging unit contains a plurality of successive sequences respectively of a plurality of LEDs, wherein each sequence respectively has exactly one LED from each of the color locus ranges, and the LEDs of the different color locus ranges are respectively arranged in the same order within the sequences.
    Type: Application
    Filed: August 22, 2011
    Publication date: September 12, 2013
    Applicant: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventor: Alexander Wilm
  • Publication number: 20120114321
    Abstract: An optical lighting device includes a radiation detector, a first light source and a second light source. The radiation detector includes a semiconductor chip and an optical filter, and has a spectral sensitivity distribution. The first light source generates white radiation. The second light source generates monochrome radiation in the visible spectral range, wherein radiation emitted by the first light source and radiation emitted by the second light source are superimposed to yield mixed radiation which includes a wavelength spectrum. The wavelength spectrum of the mixed radiation is adapted to the spectral sensitivity distribution of the radiation detector.
    Type: Application
    Filed: May 14, 2010
    Publication date: May 10, 2012
    Applicant: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Michael Brandl, Alexander Wilm
  • Patent number: 8093610
    Abstract: An optoelectronic component with a desired color impression in the switched-off state includes, in particular, a semiconductor layer sequence with an active region, that during operation radiates electromagnetic radiation with a first spectrum, and a wavelength conversion layer that is disposed downstream from the semiconductor layer sequence in the beam path of the electromagnetic radiation with the first spectrum, and that at least partially converts a subspectrum of the electromagnetic radiation with the first spectrum into electromagnetic radiation with a second spectrum, and a filter layer that reflects at least a part of the radiation incident from outside onto the optoelectronic component.
    Type: Grant
    Filed: September 7, 2007
    Date of Patent: January 10, 2012
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Alexander Wilm, Julius Muschaweck, Moritz Engl
  • Patent number: 8079730
    Abstract: An array of light-emitting diodes in LED chips, which can be turned on and off individually or in groups by means of a circuit, is provided with a device for homogenizing a light beam emitted by the turned-on LED chips. This device can be a conversion plate, a potting compound comprising a converter material or scattering particles, or a device for beam shaping comprising a plurality of micro-optics. The light source is particularly suited for headlights, for example in AFS applications.
    Type: Grant
    Filed: September 24, 2008
    Date of Patent: December 20, 2011
    Assignee: Osram Opto Semiconductors GmbH
    Inventor: Alexander Wilm
  • Patent number: 7995882
    Abstract: A lighting device is disclosed comprising a plurality of semiconductor light sources disposed on a carrier, wherein the light from the light sources is coupled into assigned lightguides at a set angle to the surface normals of the carrier and the lightguides are provided with reflecting and light exit faces such that the envelope of the light outcoupling faces forms a curved surface segment.
    Type: Grant
    Filed: July 2, 2008
    Date of Patent: August 9, 2011
    Assignee: Osram Opto Semiconductors GmbH
    Inventors: Mario Wanninger, Markus Hofmann, Günter Waitl, Alexander Wilm
  • Publication number: 20110176116
    Abstract: An LED projector includes a plurality of light sources; and an image generator which includes an arrangement of pixels, each pixel including at least one light source; wherein the LEDs are stacked epi-LEDs which include layers arranged above one another for different colors, or each pixel includes an emission surface and at least two LEDs are arranged adjacent one another in the emission surface.
    Type: Application
    Filed: September 9, 2009
    Publication date: July 21, 2011
    Applicant: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Stefan Grötsch, Ewald Karl Michael Günther, Alexander Wilm, Siegfried Herrmann
  • Publication number: 20110085144
    Abstract: A multicolour LED, in which layers for generating light of different colours are arranged one above the other, is used as the light source in a projector.
    Type: Application
    Filed: May 4, 2009
    Publication date: April 14, 2011
    Applicant: OSRAM Opto Semiconductors GmbH
    Inventors: Stefan Groetsch, Elwald Karl Michael Guenther, Alexander Wilm, Siegfried Herrmann
  • Patent number: 7868339
    Abstract: An illumination device comprising a connection carrier (1), at least one light-emitting diode (10), an electrically insulating layer (3) and a fixing device (4) is specified. The connection carrier (1) has a first main area (1a) and a second main area (1b) remote from the first main area. The light-emitting diode (10) is fixed on the first main area (1a) of the connection carrier (1). The electrically insulating layer (3) is fitted to the second main area (1b) of the connection carrier (1) and projects laterally beyond the second main area (1b) of the connection carrier (1). The fixing device (4) is suitable for fixing the illumination device to a mounting area (2a) of a carrier (2), wherein the electrically insulating layer (3) is arranged between the second main area (1b) of the connection carrier (1) and the mounting area (2a) of the carrier (2). Furthermore, the fixing device (4) presses the connection carrier (1) against the mounting area (2a).
    Type: Grant
    Filed: November 19, 2007
    Date of Patent: January 11, 2011
    Assignee: Osram Gesellschaft mit beschränkter Haftung
    Inventors: Harald Stoyan, Markus Hofmann, Alexander Wilm, Michael Sailer, Rainer Huber, Monika Rose
  • Patent number: 7762699
    Abstract: A motor vehicle headlight (80) comprises at least two modules (70) for light production, the radiation characteristics of at least one of the modules (70) being adjustable in a reference system associated with the headlight. Preferably, modules (70) of the headlight (80) have different radiation characteristics and the irradiation characteristics of at least two of the modules (70) overlap to form an adjustable radiation characteristic of the headlight (80).
    Type: Grant
    Filed: March 31, 2006
    Date of Patent: July 27, 2010
    Assignee: OSRAM Gesellschaft mit beschrankter Haftung
    Inventors: Thomas Reiners, Ralf Vollmer, Alexander Wilm
  • Publication number: 20100012959
    Abstract: An optoelectronic component with a desired color impression in the switched-off state includes, in particular, a semiconductor layer sequence with an active region, that during operation radiates electromagnetic radiation with a first spectrum, and a wavelength conversion layer that is disposed downstream from the semiconductor layer sequence in the beam path of the electromagnetic radiation with the first spectrum, and that at least partially converts a subspectrum of the electromagnetic radiation with the first spectrum into electromagnetic radiation with a second spectrum, and a filter layer that reflects at least a part of the radiation incident from outside onto the optoelectronic component.
    Type: Application
    Filed: September 7, 2007
    Publication date: January 21, 2010
    Inventors: Alexander Wilm, Julius Muschaweck, Moritz Engl