Patents by Inventor Willem Sillevis Smitt
Willem Sillevis Smitt 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: 11805584Abstract: Techniques and devices are provided for sensing image data from a scene and activating primary light sources based on information sensed from the scene. Subsets of a plurality of primary light sources may be activated to emit sensing spectrum of light onto a scene. Combined image data may be sensed from the scene while the subsets of the plurality of primary light sources are activated. Reflectance information for the scene may be determined based on the combined image data and combined sensing spectra. Spectrum optimization criteria for the primary light sources may be determined based on the reference information and a desired output parameter provided by a user or determined by a controller. The plurality of primary light sources may be activated to emit a lighting spectrum based on the spectrum optimization criteria.Type: GrantFiled: June 22, 2022Date of Patent: October 31, 2023Assignee: Lumileds LLCInventors: Wouter Soer, Willem Sillevis-Smitt
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Publication number: 20220330399Abstract: Techniques and devices are provided for sensing image data from a scene and activating primary light sources based on information sensed from the scene. Subsets of a plurality of primary light sources may be activated to emit sensing spectrum of light onto a scene. Combined image data may be sensed from the scene while the subsets of the plurality of primary light sources are activated. Reflectance information for the scene may be determined based on the combined image data and combined sensing spectra. Spectrum optimization criteria for the primary light sources may be determined based on the reference information and a desired output parameter provided by a user or determined by a controller. The plurality of primary light sources may be activated to emit a lighting spectrum based on the spectrum optimization criteria.Type: ApplicationFiled: June 22, 2022Publication date: October 13, 2022Applicant: LUMILEDS LLCInventors: Wouter SOER, Willem Sillevis-Smitt
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Publication number: 20220214493Abstract: A light source useful for architectural lighting, general lighting, street lighting, or other lighting applications includes a plurality of light emitting diodes. A least some light emitting diodes can be sized between 30 microns and 500 microns. A plurality of micro-optics sized less than 1 millimeter are positioned over at least some of the plurality of light emitting diodes. A controller may be connected to selectively power groups of the plurality of light emitting diodes to provide different light beam patterns.Type: ApplicationFiled: March 24, 2022Publication date: July 7, 2022Applicant: LUMILEDS LLCInventors: Sudhir SUBRAMANYA, Willem SILLEVIS-SMITT, Frederic DIANA, Charles SCHRAMA, Alan McREYNOLDS, Yifeng QIU
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Patent number: 11382195Abstract: Techniques and devices are provided for sensing image data from a scene and activating primary light sources based on information sensed from the scene. Subsets of a plurality of primary light sources may be activated to emit sensing spectrum of light onto a scene. Combined image data may be sensed from the scene while the subsets of the plurality of primary light sources are activated. Reflectance information for the scene may be determined based on the combined image data and combined sensing spectra. Spectrum optimization criteria for the primary light sources may be determined based on the reference information and a desired output parameter provided by a user or determined by a controller. The plurality of primary light sources may be activated to emit a lighting spectrum based on the spectrum optimization criteria.Type: GrantFiled: January 8, 2021Date of Patent: July 5, 2022Assignee: Lumileds LLCInventors: Wouter Soer, Willem Sillevis-Smitt
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Patent number: 11333821Abstract: A light source useful for architectural lighting, general lighting, street lighting, or other lighting applications includes a plurality of light emitting diodes. A least some light emitting diodes can be sized between 30 microns and 500 microns. A plurality of micro-optics sized less than 1 millimeter are positioned over at least some of the plurality of light emitting diodes and a controller is connected to selectively power groups of the plurality of light emitting diodes to provide different light beam patterns.Type: GrantFiled: September 26, 2019Date of Patent: May 17, 2022Assignee: LUMILEDS LLCInventors: Sudhir Subramanya, Willem Sillevis-Smitt, Frederic Diana, Charles Schrama, Alan McReynolds, Yifeng Qiu
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Patent number: 11314012Abstract: A light source useful for architectural lighting, general lighting, street lighting, or other lighting applications includes a plurality of light emitting diodes, with at least some light emitting diodes sized between 50 microns and 500 microns. A plurality of micro-optics sized less than 1 millimeter are positioned over at least some of the plurality of light emitting diodes. Each combination of light emitting diode and associated micro-optic is positioned within a Rayleigh distance to each other, sufficient to both present a substantially uniform visual appearance and provide a substantially uniform light beam. In some embodiments the height of the light emitting diodes, their supporting substrate and electrical traces, and associated optics is less than 5 millimeters.Type: GrantFiled: September 26, 2019Date of Patent: April 26, 2022Assignee: Lumileds LLCInventors: Sudhir Subramanya, Willem Sillevis-Smitt, Frederic Diana, Charles Schrama, Alan McReynolds, Yifeng Qiu
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Patent number: 11194091Abstract: A light source includes a plurality of light emitting diodes, with at least some light emitting diodes sized between 30 microns and 500 microns. A plurality of micro-optics are associated with a light guide plate and sized less than 1 millimeter, with each micro-optic positioned over at least one of the plurality of light emitting diodes. At least some of the combinations of light emitting diode and micro-optics associated with the light guide plate are positioned within a distance to each other sufficient to provide a substantially uniform light beam.Type: GrantFiled: September 26, 2019Date of Patent: December 7, 2021Assignee: Lumileds LLCInventors: Sudhir Subramanya, Willem Sillevis-Smitt, Frederic Diana, Charles Schrama, Alan McReynolds, Yifing Qiu
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Publication number: 20210136890Abstract: Techniques and devices are provided for sensing image data from a scene and activating primary light sources based on information sensed from the scene. Subsets of a plurality of primary light sources may be activated to emit sensing spectrum of light onto a scene. Combined image data may be sensed from the scene while the subsets of the plurality of primary light sources are activated. Reflectance information for the scene may be determined based on the combined image data and combined sensing spectra. Spectrum optimization criteria for the primary light sources may be determined based on the reference information and a desired output parameter provided by a user or determined by a controller. The plurality of primary light sources may be activated to emit a lighting spectrum based on the spectrum optimization criteria.Type: ApplicationFiled: January 8, 2021Publication date: May 6, 2021Applicant: LUMILEDS LLCInventors: Wouter SOER, Willem Sillevis-Smitt
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Patent number: 10893590Abstract: Techniques and devices are provided for sensing image data from a scene and activating primary light sources based on information sensed from the scene. Subsets of a plurality of primary light sources may be activated to emit sensing spectrum of light onto a scene. Combined image data may be sensed from the scene while the subsets of the plurality of primary light sources are activated. Reflectance information for the scene may be determined based on the combined image data and combined sensing spectra. Spectrum optimization criteria for the primary light sources may be determined based on the reference information and a desired output parameter provided by a user or determined by a controller. The plurality of primary light sources may be activated to emit a lighting spectrum based on the spectrum optimization criteria.Type: GrantFiled: February 24, 2020Date of Patent: January 12, 2021Assignee: LUMILEDS LLCInventors: Wouter Soer, Willem Sillevis-Smitt
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Publication number: 20200196410Abstract: Techniques and devices are provided for sensing image data from a scene and activating primary light sources based on information sensed from the scene. Subsets of a plurality of primary light sources may be activated to emit sensing spectrum of light onto a scene. Combined image data may be sensed from the scene while the subsets of the plurality of primary light sources are activated. Reflectance information for the scene may be determined based on the combined image data and combined sensing spectra. Spectrum optimization criteria for the primary light sources may be determined based on the reference information and a desired output parameter provided by a user or determined by a controller. The plurality of primary light sources may be activated to emit a lighting spectrum based on the spectrum optimization criteria.Type: ApplicationFiled: February 24, 2020Publication date: June 18, 2020Applicant: LUMILEDS LLCInventors: Wouter SOER, Willem Sillevis-Smitt
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Publication number: 20200105827Abstract: A light source useful for architectural lighting, general lighting, street lighting, or other lighting applications includes a plurality of light emitting diodes. A least some light emitting diodes can be sized between 30 microns and 500 microns. A plurality of micro-optics sized less than 1 millimeter are positioned over at least some of the plurality of light emitting diodes and a controller is connected to selectively power groups of the plurality of light emitting diodes to provide different light beam patterns.Type: ApplicationFiled: September 26, 2019Publication date: April 2, 2020Applicant: LUMILEDS HOLDING B.V.Inventors: Sudhir Subramanya, Willem Sillevis-Smitt, Frederic Diana, Charles Schrama, Alan McReynolds, Yifing Qiu
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Publication number: 20200103581Abstract: A light source includes a plurality of light emitting diodes, with at least some light emitting diodes sized between 30 microns and 500 microns. A plurality of micro-optics are associated with a light guide plate and sized less than 1 millimeter, with each micro-optic positioned over at least one of the plurality of light emitting diodes. At least some of the combinations of light emitting diode and micro-optics associated with the light guide plate are positioned within a distance to each other sufficient to provide a substantially uniform light beam.Type: ApplicationFiled: September 26, 2019Publication date: April 2, 2020Applicant: LUMILEDS HOLDING B.V.Inventors: Sudhir Subramanya, Willem Sillevis-Smitt, Frederic Diana, Charles Schrama, Alan McReynolds, Yifing Qiu
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Publication number: 20200103091Abstract: A light source useful for architectural lighting, general lighting, street lighting, or other lighting applications includes a plurality of light emitting diodes, with at least some light emitting diodes sized between 50 microns and 500 microns. A plurality of micro-optics sized less than 1 millimeter are positioned over at least some of the plurality of light emitting diodes. Each combination of light emitting diode and associated micro-optic is positioned within a Rayleigh distance to each other, sufficient to both present a substantially uniform visual appearance and provide a substantially uniform light beam. In some embodiments the height of the light emitting diodes, their supporting substrate and electrical traces, and associated optics is less than 5 millimeters.Type: ApplicationFiled: September 26, 2019Publication date: April 2, 2020Applicant: LUMILEDS HOLDING B.V.Inventors: Sudhir Subramanya, Willem Sillevis-Smitt, Frederic Diana, Charles Schrama, Alan McReynolds, Yifing Qiu
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Patent number: 10582589Abstract: Techniques and devices are provided for sensing image data from a scene and activating primary light sources based on information sensed from the scene. Subsets of a plurality of primary light sources may be activated to emit sensing spectrum of light onto a scene. Combined image data may be sensed from the scene while the subsets of the plurality of primary light sources are activated. Reflectance information for the scene may be determined based on the combined image data and combined sensing spectra. Spectrum optimization criteria for the primary light sources may be determined based on the reference information and a desired output parameter provided by a user or determined by a controller. The plurality of primary light sources may be activated to emit a lighting spectrum based on the spectrum optimization criteria.Type: GrantFiled: June 22, 2018Date of Patent: March 3, 2020Assignee: LUMILEDS LLCInventors: Wouter Soer, Willem Sillevis-Smitt
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Publication number: 20190394853Abstract: Techniques and devices are provided for sensing image data from a scene and activating primary light sources based on information sensed from the scene. Subsets of a plurality of primary light sources may be activated to emit sensing spectrum of light onto a scene. Combined image data may be sensed from the scene while the subsets of the plurality of primary light sources are activated. Reflectance information for the scene may be determined based on the combined image data and combined sensing spectra. Spectrum optimization criteria for the primary light sources may be determined based on the reference information and a desired output parameter provided by a user or determined by a controller. The plurality of primary light sources may be activated to emit a lighting spectrum based on the spectrum optimization criteria.Type: ApplicationFiled: June 22, 2018Publication date: December 26, 2019Applicant: Lumileds LLCInventors: Wouter Soer, Willem Sillevis-Smitt
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Patent number: 8129735Abstract: A light source that uses a light emitting diode with a wavelength converting element is configured to produce a non-uniform angular color distribution, e.g., ?u?v?>0.015 within an angular distribution from 0° to 90°, that can be used with specific light based device that translate the angular color distribution into a uniform color distribution. The ratio of height and width for the wavelength converting element is selected to produce the desired non-uniform angular color distribution. The use of a controlled angular color non-uniformity in the light source and using it in applications that translate the non-uniformity into a uniform color distribution, e.g., with a uniformity of ?u?v?<0.01, increases the efficiency of the system compared to conventional systems in which a uniform angular light emitting diode is used.Type: GrantFiled: September 24, 2008Date of Patent: March 6, 2012Assignee: Koninklijke Philips Electronics N.V.Inventors: Serge J. Bierhuizen, Willem Sillevis Smitt
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Patent number: 7858409Abstract: A backlight for a color LCD includes white light LEDs formed using a blue LED die with a layer of red and green phosphors over it. The attenuation by the LCD layers of the blue light component of the white light is typically greater as the blue wavelength becomes shorter. In order to achieve a uniform blue color component across the surface of an LCD screen and achieve uniform light output from one LCD to another, the blue light leakage of the phosphor layer is tailored to the dominant or peak wavelength of the blue LED die. Therefore, the white points of the various white light LEDs in a backlight should not match when blue LED dies having different dominant or peak wavelengths are used in the backlight. The different leakage amounts through the tailored phosphor layers offset the attenuation vs. wavelength of the LCD layers.Type: GrantFiled: September 18, 2008Date of Patent: December 28, 2010Assignees: Koninklijke Philips Electronics N.V., Philips Lumileds Lighting Company, LLCInventors: Marcus J. H. Kessels, Willem Sillevis Smitt, Gerd Mueller, Serge Bierhuizen
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Publication number: 20100072488Abstract: A light source that uses a light emitting diode with a wavelength converting element is configured to produce a non-uniform angular color distribution, e.g., ?u?v?>0.015 within an angular distribution from 0° to 90°, that can be used with specific light based device that translate the angular color distribution into a uniform color distribution. The ratio of height and width for the wavelength converting element is selected to produce the desired non-uniform angular color distribution. The use of a controlled angular color non-uniformity in the light source and using it in applications that translate the non-uniformity into a uniform color distribution, e.g., with a uniformity of ?u?v?<0.01, increases the efficiency of the system compared to conventional systems in which a uniform angular light emitting diode is used.Type: ApplicationFiled: September 24, 2008Publication date: March 25, 2010Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.Inventors: Serge J. BIERHUIZEN, Willem Sillevis SMITT
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Publication number: 20100065864Abstract: A backlight for a color LCD includes white light LEDs formed using a blue LED die with a layer of red and green phosphors over it. The attenuation by the LCD layers of the blue light component of the white light is typically greater as the blue wavelength becomes shorter. In order to achieve a uniform blue color component across the surface of an LCD screen and achieve uniform light output from one LCD to another, the blue light leakage of the phosphor layer is tailored to the dominant or peak wavelength of the blue LED die. Therefore, the white points of the various white light LEDs in a backlight should not match when blue LED dies having different dominant or peak wavelengths are used in the backlight. The different leakage amounts through the tailored phosphor layers offset the attenuation vs. wavelength of the LCD layers.Type: ApplicationFiled: September 18, 2008Publication date: March 18, 2010Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.Inventors: Marcus J. H. KESSELS, Willem Sillevis SMITT, Gerd MUELLER, Serge BIERHUIZEN