Patents by Inventor Ludwig Plötz
Ludwig Plötz 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).
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Patent number: 10924686Abstract: An optoelectronic lighting device that illuminates a scene to be captured as an image includes a pixelated emitter including a plurality of light emitting pixels that illuminate a scene to be captured as an image, and a driving device configured to individually drive the pixels depending on at least one parameter to illuminate the scene to be recorded with a predetermined illuminance distribution.Type: GrantFiled: February 24, 2017Date of Patent: February 16, 2021Assignee: OSRAM OLED GmbHInventors: Marco Antretter, Mikko Perälä, Ludwig Plötz, Désirée Queren, Ulrich Streppel
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Publication number: 20190104246Abstract: An optoelectronic lighting device that illuminates a scene to be captured as an image includes a pixelated emitter including a plurality of light emitting pixels that illuminate a scene to be captured as an image, and a driving device configured to individually drive the pixels depending on at least one parameter to illuminate the scene to be recorded with a predetermined illuminance distribution.Type: ApplicationFiled: February 24, 2017Publication date: April 4, 2019Inventors: Marco Antretter, Mikko Perälä, Ludwig Plötz, Désirée Queren, Ulrich Streppel
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Patent number: 10170453Abstract: The invention relates to an arrangement for generating mixed light, which comprises three semiconductor chips, emitting in the blue spectral range, of three devices. Arranged in the light paths of the individual semiconductor chips are different conversion elements which are configured to convert primary radiation into secondary radiation. The total radiation (S1, S2, S3) exiting the respective devices (10, 20, 30) has a corresponding chromaticity coordinate on the black body curve of the CIE color diagram 1931 or lies within a color quadrilateral of the CIE color diagram.Type: GrantFiled: June 12, 2014Date of Patent: January 1, 2019Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Ion Stoll, Michael Schumann, Ludwig Ploetz
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Patent number: 9992504Abstract: A coding method for data compression of a power spectra of an optoelectronic component and a decoding method are disclosed. In an embodiment, a coding method includes providing a power spectrum, sampling the power spectrum at particular sampling wavelengths in order to provide a discrete source spectrum, indexing the discrete source spectrum in order to provide a source graph having discrete source values, producing an image graph having discrete image values by transforming the source graph from a source range into an image range with a discrete frequency transform, performing compression of the image graph, and digitizing the compressed image graph in order to produce compressed spectral data.Type: GrantFiled: January 29, 2015Date of Patent: June 5, 2018Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Michael Schumann, Ludwig Plötz
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Publication number: 20160330465Abstract: A coding method for data compression of a power spectra of an optoelectronic component and a decoding method are disclosed. In an embodiment, a coding method includes providing a power spectrum, sampling the power spectrum at particular sampling wavelengths in order to provide a discrete source spectrum, indexing the discrete source spectrum in order to provide a source graph having discrete source values, producing an image graph having discrete image values by transforming the source graph from a source range into an image range with a discrete frequency transform, performing compression of the image graph, and digitizing the compressed image graph in order to produce compressed spectral data.Type: ApplicationFiled: January 29, 2015Publication date: November 10, 2016Inventors: Michael Schumann, Ludwig Plötz
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Publication number: 20160141277Abstract: The invention relates to an arrangement for generating mixed light, which comprises three semiconductor chips, emitting in the blue spectral range, of three devices. Arranged in the light paths of the individual semiconductor chips are different conversion elements which are configured to convert primary radiation into secondary radiation. The total radiation (S1, S2, S3) exiting the respective devices (10, 20, 30) has a corresponding chromaticity coordinate on the black body curve of the CIE color diagram 1931 or lies within a color quadrilateral of the CIE color diagram.Type: ApplicationFiled: June 12, 2014Publication date: May 19, 2016Applicant: OSRAM Opto Semiconductors GmbHInventors: Ion STOLL, Michael SCHUMANN, Ludwig PLOETZ
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Patent number: 9070311Abstract: An illumination device includes a number of radiation reflectors that are each irradiated by at least one light source. The radiation reflectors are shaped in such a way that they can be combined modularly to form a radiation-reflecting luminous area.Type: GrantFiled: February 11, 2008Date of Patent: June 30, 2015Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Guenter Kirchberger, Ludwig Ploetz, Markus Zeiler, Hubert Ott
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Patent number: 8593390Abstract: An illumination device comprises at least one light module (1) wherein the light module (1) comprises a circuit board (2) to which a plurality of groups (30) of light sources (3a, 3b, 3c) are applied and a carrier (6) on which the light module (1) is fixed. A display apparatus comprising such an illumination device is also disclosed.Type: GrantFiled: December 15, 2006Date of Patent: November 26, 2013Assignee: OSRAM Gesellschaft mit beschrankter HaftungInventors: Ludwig Plötz, Markus Zeiler, Michael Sailer, Kurt-Jürgen Lang, Robert Kraus, Harald Stoyan
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Illumination Device for Backlighting a Display, and a Display Comprising such an Illumination Device
Publication number: 20110141716Abstract: An illumination device (1) for backlighting a display is disclosed. The illumination device comprises: at least one semiconductor body (3), suitable for generating electromagnetic radiation of a first wavelength range, a first wavelength conversion substance (30), which is disposed downstream of the radiation-emitting front side (6) of the semiconductor body (3) in the emission direction (8) thereof and is suitable for converting radiation of the first wavelength range into radiation of a second wavelength range, which is different from the first wavelength range, and a second wavelength conversion substance (31), which is disposed downstream of the radiation-emitting front side (6) of the semiconductor body (3) in the emission direction (8) thereof and is suitable for converting radiation of the first wavelength range into radiation of a third wavelength range, which is different from the first and second wavelength ranges. A display comprising such an illumination device (1) is furthermore described.Type: ApplicationFiled: January 16, 2009Publication date: June 16, 2011Applicant: OSRAM Opto Semiconductors GmbHInventors: Burkard Wiesmann, Markus Zeiler, Herbert Brunner, Hubert Ott, Ludwig Ploetz, Joerg Strauss -
Patent number: 7918574Abstract: A lighting apparatus comprising a plurality of light modules is specified, wherein each light module includes a plurality of groups of light sources mounted on a circuit board of said light module, and said light modules are arranged in rows on a carrier of said lighting apparatus. A display device comprising such a lighting apparatus is also specified.Type: GrantFiled: December 15, 2006Date of Patent: April 5, 2011Assignee: Osram Opto Semiconductors GmbHInventors: Simon Blümel, Hubert Ott, Ludwig Ploetz, Mario Wanninger, Guenter Kirchberger, Peter Wolff, Markus Zeiler
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Patent number: 7878681Abstract: Disclosed is an illumination device comprising a radiation-emitting front side and a multiplicity of light sources (R, G, B), wherein said multiplicity of light sources (R, G, B) is divided into light source groups (LG) and the light source groups (LG) are arranged on the grid points of a first regular grid.Type: GrantFiled: January 19, 2006Date of Patent: February 1, 2011Assignee: Osram Opto Semiconductor GmbHInventors: Simon Blümel, Hubert Ott, Ludwig Plötz, Mario Wanninger, Günter Kirchberger, Peter Wolff, Markus Zeiler
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Publication number: 20100220046Abstract: An illumination device comprises at least one light module (1) wherein the light module (1) comprises a circuit board (2) to which a plurality of groups (30) of light sources (3a, 3b, 3c) are applied and a carrier (6) on which the light module (1) is fixed, is specified. A display apparatus comprising such an illumination device is also disclosed.Type: ApplicationFiled: December 15, 2006Publication date: September 2, 2010Inventors: Ludwig Plötz, Markus Zeiler, Michael Sailer, Kurt-Jürgen Lang, Robert Kraus, Harald Stoyan
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Publication number: 20100033956Abstract: An illumination device includes a number of radiation reflectors that are each irradiated by at least one light source. The radiation reflectors are shaped in such a way that they can be combined modularly to form a radiation-reflecting luminous area.Type: ApplicationFiled: February 11, 2008Publication date: February 11, 2010Inventors: Guenter Kirchberger, Ludwig Ploetz, Markus Zeiler, Hubert Ott
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Publication number: 20090213575Abstract: A lighting apparatus comprising a plurality of light modules is specified, wherein each light module includes a plurality of groups of light sources mounted on a circuit board of said light module, and said light modules are arranged in rows on a carrier of said lighting apparatus. A display device comprising such a lighting apparatus is also specified.Type: ApplicationFiled: December 15, 2006Publication date: August 27, 2009Applicant: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Simon Blümel, Hubert Ott, Ludwig Ploetz, Mario Wanninger, Guenter Kirchberger, Peter Wolff, Markus Zeiler
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Patent number: 7408305Abstract: A codable electronic circuit arrangement, in particular an LED circuit arrangement (1), having a lead (3), via which electronic circuit elements (6) of the circuit arrangement, in particular LED components, can be driven by a drive circuit (2; 20; 21; 22). The lead (3) has a plurality of coding conductors (3c, 3d), which carry a code via a combination of electrically interrupted and electrically continuous coding conductors (3c, 3d), wherein the code gives an indication of specific properties of the circuit arrangement.Type: GrantFiled: January 21, 2004Date of Patent: August 5, 2008Assignee: Osram Opto Semiconductors GmbHInventors: Ludwig Plötz, Markus Hofmann
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Patent number: 7173384Abstract: A description is given of an illumination device which emits mixed-color light containing light of at least two different color channels (R, R1, G, G1, B, B1). The illumination device contains at least one primary light source (1) of a first color, the light of which forms a first color channel (R, R1, G, G1, B, B1), and at least one primary light source (1) of a second color, the light of which forms a second color channel (R, R1, G, G1, B, B1), at least one sensor device (3), which is positioned such that it can receive mixed-color light and is suitable for detecting brightness of light of a wavelength range comprising the color channels (R, R1, G, G1, B, B1) and which determines the brightnesses of the different color channels (R, R1, G, G1, B, B1) separately and repeatedly during operation.Type: GrantFiled: September 29, 2005Date of Patent: February 6, 2007Assignee: Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbHInventors: Ludwig Plötz, Alois Biebl, Andre Philipp