Patents by Inventor Maarten Van Lierop
Maarten Van Lierop 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: 11859774Abstract: A method is provided, wherein a lighting device (200, 300, 400, 500) comprising an at least partly light transmitting envelope (110) and a solid state light source (120) is manufactured. The method comprises arranging (710) an at least partly light transmitting plastic material (140) in a mold (130) having a surface structure (132) arranged on an inner surface portion of the mold and blow molding (720) the plastic material so as to form the envelope. During the blow molding, the surface structure is at least partly transferred to the at least partly light transmitting plastic material, thereby forming an optical structure (150) on a portion of an outer surface of the envelope. The envelope is then removed (730) from the mold and arranged (740) to at least partly enclose the solid state light source. The optical structure may be formed to generate a desired optical effect.Type: GrantFiled: April 20, 2020Date of Patent: January 2, 2024Assignee: SIGNIFY HOLDING B.V.Inventors: Eliav Itzhak Haskal, Hugo Johan Cornelissen, Maarten Van Lierop, Henricus Franciscus Bonekamp
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Publication number: 20230104460Abstract: A method (and system) is provided obtaining an adapted calibration transformation for whole slide imaging, wherein the adapted calibration transformation is for outputting the color of an empty area of the slide in a whole slide image, WSI, as a desired color. The method comprises first receiving a color target WSI in a device-dependent color space, wherein the color target WSI is a WSI of a color target from a scanner represented in the device-dependent color space. The color target contains at least a white patch and three (near) primary color patches. A calibration transformation is obtained for transforming the device-dependent color space to a device-independent color space. A chromatic adaptation transformation is derived using the color of the white patch in the device-dependent color space, the color of the empty (glass) area in the device-independent color space and the desired empty (glass) color in the target color space.Type: ApplicationFiled: December 24, 2020Publication date: April 6, 2023Inventors: PRARTHANA SHRESTHA, JELTE PETER VINK, MAARTEN VAN LIEROP, GERARDUS JOHANNES WILHELMUS VAN DEN BRAAK, MATHIJS REM, JEREON DE KLEIJN
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Publication number: 20200318797Abstract: A method is provided, wherein a lighting device (200, 300, 400, 500) comprising an at least partly light transmitting envelope (110) and a solid state light source (120) is manufactured. The method comprises arranging (710) an at least partly light transmitting plastic material (140) in a mold (130) having a surface structure (132) arranged on an inner surface portion of the mold and blow molding (720) the plastic material so as to form the envelope. During the blow molding, the surface structure is at least partly transferred to the at least partly light transmitting plastic material, thereby forming an optical structure (150) on a portion of an outer surface of the envelope. The envelope is then removed (730) from the mold and arranged (740) to at least partly enclose the solid state light source. The optical structure may be formed to generate a desired optical effect.Type: ApplicationFiled: April 20, 2020Publication date: October 8, 2020Inventors: Eliav Itzhak HASKAL, Hugo Johan CORNELISSEN, Maarten VAN LIEROP, Henricus Franciscus BONEKAMP
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Patent number: 10634310Abstract: A method is provided, wherein a lighting device (200, 300, 400, 500) comprising an at least partly light transmitting envelope (110) and a solid state light source (120) is manufactured. The method comprises arranging (710) an at least partly light transmitting plastic material (140) in a mold (130) having a surface structure (132) arranged on an inner surface portion of the mold and blow molding (720) the plastic material so as to form the envelope. During the blow molding, the surface structure is at least partly transferred to the at least partly light transmitting plastic material, thereby forming an optical structure (150) on a portion of an outer surface of the envelope. The envelope is then removed (730) from the mold and arranged (740) to at least partly enclose the solid state light source. The optical structure may be formed to generate a desired optical effect.Type: GrantFiled: November 19, 2014Date of Patent: April 28, 2020Assignee: SIGNIFY HOLDING B.V.Inventors: Eliav Itzhak Haskal, Hugo Johan Cornelissen, Maarten Van Lierop, Henricus Franciscus Bonekamp
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Patent number: 10466404Abstract: A primary optic for a light-emitting diode or device (LED) includes a tilted wedge atop a truncated compound parabolic concentrator (CPC). The CPC includes an input face and a lower exterior surface defined by a tilted parabolic segment rotated about an axis. The bottom end of the lower exterior surface joins the perimeter of the input face. The tilted wedge includes an upper exterior surface above the lower exterior surface, and an interior conical surface surrounded by the lower and the upper exterior surfaces. The upper exterior surface is defined by a tilted straight line rotated about the axis. The interior conical surface is defined by a smooth curve rotated about the axis. The interior conical surface has a vertex located at the axis and within the lower exterior surface. The top ends of the interior conical surface and the upper exterior surface join to define an output aperture.Type: GrantFiled: May 9, 2017Date of Patent: November 5, 2019Assignee: LUMILEDS LLCInventors: Pascal Bloemen, Maarten van-Lierop, Rick Nijkamp, Mark Steltenpool, Hugo Cornelissen
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Patent number: 10156342Abstract: A lighting device (100, 200, 300, 400) is disclosed, comprising an at least partly light transmitting envelope (110) arranged to at least partly enclose a light source (120). The envelope comprises a portion (114) that is elastic such that its extension and orientation relative to a nominal optical axis of a base (140) of the lighting device is adjustable so as to allow for light output from the lighting device to be modified. A method for manufacturing such lighting device is also disclosed.Type: GrantFiled: November 19, 2014Date of Patent: December 18, 2018Assignee: PHILIPS LIGHTING HOLDING B.V.Inventors: Eliav Itzhak Haskal, Hugo Johan Cornelissen, Maarten Van Lierop, Henricus Franciscus Bonekamp
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Publication number: 20180033920Abstract: A light source assembly comprising: a solid state lighting device; a wavelength converting element arranged to receive light emitted by the solid state lighting device and adapted to convert some of the received light to a different wavelength; and a scattering layer applied to a light emitting surface of the wavelength converting element. The scattering layer is adapted to scatter light back to the wavelength converting element, and a backscattering strength of the scattering layer varies over said light emitting surface so as to reduce variations in the color of the light emitted from the light emitting surface.Type: ApplicationFiled: February 16, 2016Publication date: February 1, 2018Inventors: Mark Steltenpol, Hugo Johan Cornelissen, Sébastien Paul René Libon, Pascal Jean Henri Bloemen, Rick Gerhardus Nijkamp, Maarten Van Lierop
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Publication number: 20170329071Abstract: A primary optic for a light-emitting diode or device (LED) includes a tilted wedge atop a truncated compound parabolic concentrator (CPC). The CPC includes an input face and a lower exterior surface defined by a tilted parabolic segment rotated about an axis. The bottom end of the lower exterior surface joins the perimeter of the input face. The tilted wedge includes an upper exterior surface above the lower exterior surface, and an interior conical surface surrounded by the lower and the upper exterior surfaces. The upper exterior surface is defined by a tilted straight line rotated about the axis. The interior conical surface is defined by a smooth curve rotated about the axis. The interior conical surface has a vertex located at the axis and within the lower exterior surface. The top ends of the interior conical surface and the upper exterior surface join to define an output aperture.Type: ApplicationFiled: May 9, 2017Publication date: November 16, 2017Inventors: Pascal Bloemen, Maarten van-Lierop, Rick Nijkamp, Mark Steltenpool, Hugo Cornelissen
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Patent number: 9797564Abstract: A lighting unit comprising a tapering cavity surrounded by a circumferential reflective wall and extending between a light emission window and a light entrance surface where a light source is (to be) mounted. An optical plate having a light outcoupling structure is provided at the light emission window for redirecting and issuing light as a uniform lighting unit light beam. Said uniform lighting unit light beam has a first beam emission angle ? in a first direction and optionally, for example for a rectangular shaped light emission window, a second beam emission angle ? in a second direction transverse to the first direction. The tapering cavity having a first cut-off angle ? in said first direction, wherein ?=?+2*? with 0°<?<=10°, and optionally a second cut-off angles ? in the second direction transverse to the first direction wherein ?=?+? with 0°<=?<=10°.Type: GrantFiled: October 15, 2014Date of Patent: October 24, 2017Assignee: PHILIPS LIGHTING HOLDING B.V.Inventors: Fetze Pijlman, Floris Maria Hermansz Crompvoets, Arno Vredenborg, Robert Van Asselt, Maarten Van Lierop, Peter Tjin Sjoe Kong Tsang, Hendrik Jan Eggink
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Patent number: 9603222Abstract: The invention relates to a method for controlling a lighting system, wherein the lighting system comprises a plurality of light-emitting ceiling tiles and a control unit for controlling the plurality of light-emitting tiles. The method comprises the step of controlling the plurality of light-emitting tiles to provide a predetermined luminance contrast in the ceiling. The method further comprises the step of, for the predetermined luminance contrast, controlling the plurality of light-emitting tiles to provide a substantially uniform light distribution incident on a target surface such as a horizontal work plane. The method enables the lighting conditions in a room to be adjusted for improving visual comfort and illumination without affecting the illumination at a task level.Type: GrantFiled: June 5, 2014Date of Patent: March 21, 2017Assignee: PHILIPS LIGHTING HOLDING B.V.Inventors: Michel Cornelis Josephus Marie Vissenberg, Maarten Van Lierop, Daniël Anton Benoy
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Publication number: 20160298821Abstract: A method is provided, wherein a lighting device (200, 300, 400, 500) comprising an at least partly light transmitting envelope (110) and a solid state light source (120) is manufactured. The method comprises arranging (710) an at least partly light transmitting plastic material (140) in a mold (130) having a surface structure (132) arranged on an inner surface portion of the mold and blow molding (720) the plastic material so as to form the envelope. During the blow molding, the surface structure is at least partly transferred to the at least partly light transmitting plastic material, thereby forming an optical structure (150) on a portion of an outer surface of the envelope. The envelope is then removed (730) from the mold and arranged (740) to at least partly enclose the solid state light source. The optical structure may be formed to generate a desired optical effect.Type: ApplicationFiled: November 19, 2014Publication date: October 13, 2016Applicant: Philips Lighting Holding B.V.Inventors: Eliav Itzhak HASKAL, Hugo Johan CORNELISSEN, Maarten VAN LIEROP, Henricus Franciscus BONEKAMP
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Publication number: 20160290605Abstract: A lighting device (100, 200, 300, 400) is disclosed, comprising an at least partly light transmitting envelope (110) arranged to at least partly enclose a light source (120). The envelope comprises a portion (114) that is elastic such that its extension and orientation relative to a nominal optical axis of a base (140) of the lighting device is adjustable so as to allow for light output from the lighting device to be modified. A method for manufacturing such lighting device is also disclosed.Type: ApplicationFiled: November 19, 2014Publication date: October 6, 2016Inventors: Eliav Itzhak HASKAL, Hugo Johan CORNELISSEN, Maarten VAN LIEROP, Henricus Franciscus BONEKAMP
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Publication number: 20160273721Abstract: A lighting unit comprising a tapering cavity surrounded by a circumferential reflective wall and extending between a light emission window and a light entrance surface where a light source is (to be) mounted. An optical plate having a light outcoupling structure is provided at the light emission window for redirecting and issuing light as a uniform lighting unit light beam. Said uniform lighting unit light beam has a first beam emission angle ? in a first direction and optionally, for example for a rectangular shaped light emission window, a second beam emission angle ? in a second direction transverse to the first direction. The tapering cavity having a first cut-off angle ? in said first direction, wherein ?=?+2*? with 0°<?<=10°, and optionally a second cut-off angles in the second direction transverse to the first direction wherein ?=?+? with 0°<=?<=10°.Type: ApplicationFiled: October 15, 2014Publication date: September 22, 2016Applicant: PHILIPS LIGHTING HOLDING B.V.Inventors: FETZE PIJLMAN, FLORIS MARIA HERMANSZ CROMPVOETS, ARNO VREDENBORG, ROBERT VAN ASSELT, MAARTEN VAN LIEROP, PETER TJIN SJOE KONG TSANG, HENDRIK JAN EGGINK
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Patent number: 9383083Abstract: The invention provides a lighting unit (100) comprising (a) a lighting unit cavity (130), (b) a light source unit (110), for light source unit light (111), wherein the light source unit (110) comprises a light source (1100) and a collimator (1200), and (c) a light exit window (120), configured to enclose at least part of the lighting unit cavity (130) and configured to allow transmission of at least part of the light source unit light (111) as a beam of light (101), wherein the light exit window (120) comprises an upstream face (125) and a downstream face (126), with the upstream face (125) directed to the lighting unit cavity (130); wherein the upstream face (125) comprises light outcoupling structures (140), configured to couple the light source unit light (111) via the light exit window (120) out of the lighting unit (100).Type: GrantFiled: November 22, 2013Date of Patent: July 5, 2016Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Fetze Pijlman, Robert Van Asselt, Peter Tjin Sjoe Kong Tsang, Floris Maria Hermansz Crompvoets, Maarten Van Lierop, Hendrik Jan Eggink
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Patent number: 9377176Abstract: The present invention relates to an optical device (229) for forming a light beam, which optical device comprises a lens (330) having a top section (331) configured to receive light emitted by a light source (220), a bottom section (332) configured to allow the received light to exit the lens, and a plurality of side sections (333) stretching from the top section to the bottom section. The plurality of side sections enclose the lens and are adapted to reflect and refract incident rays of the received light. A cross-section (334) of the lens, in a plane perpendicular to a center axis (338) stretching from the top section to the bottom section, has the shape of a polygon, which polygon is oriented in a length-wise direction (335) and in a transversal direction (336) being perpendicular to each other. Furthermore, the lens is adapted such that the received light exits the lens as a light beam formed to an elongated shape (5) at a predetermined distance (4) from the optical device.Type: GrantFiled: April 27, 2012Date of Patent: June 28, 2016Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Kwan Nai Lee, Maarten Van Lierop, Albert Bijlsma, Barry Mos, Petrus Gerardus Josephus Maria Nuyens
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Publication number: 20160143117Abstract: The invention relates to a method for controlling a lighting system, wherein the lighting system comprises a plurality of light-emitting ceiling tiles and a control unit for controlling the plurality of light-emitting tiles. The method comprises the step of controlling the plurality of light-emitting tiles to provide a predetermined luminance contrast in the ceiling. The method further comprises the step of for the predetermined luminance contrast, controlling the plurality of light-emitting tiles to provide a substantially uniform light distribution incident on a target surface such as a horizontal work plane. The method enables the lighting conditions in a room to be adjusted for improving visual comfort and illumination without affecting the illumination at a task level.Type: ApplicationFiled: June 5, 2014Publication date: May 19, 2016Inventors: MICHEL CORNELIS JOSEPHUS MARIE VISSENBERG, MAARTEN VAN LIEROP, DANIËL ANTON BENOY
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Publication number: 20150330605Abstract: The invention provides a lighting unit (100) comprising (a) a lighting unit cavity (130), (b) a light source unit (110), for light source unit light (111), wherein the light source unit (110) comprises a light source (1100) and a collimator (1200), and (c) a light exit window (120), configured to enclose at least part of the lighting unit cavity (130) and configured to allow transmission of at least part of the light source unit light (111) as a beam of light (101), wherein the light exit window (120) comprises an upstream face (125) and a downstream face (126), with the upstream face (125) directed to the lighting unit cavity (130); wherein the upstream face (125) comprises light outcoupling structures (140), configured to couple the light source unit light (111) via the light exit window (120) out of the lighting unit (100).Type: ApplicationFiled: November 22, 2013Publication date: November 19, 2015Inventors: Fetze PIJLMAN, Robert VAN ASSELT, Peter Tjin Sjoe Kong TSANG, Floris Maria Hermansz CROMPVOETS, Maarten VAN LIEROP, Hendrik Jan EGGINK
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Publication number: 20140049959Abstract: The present invention relates to an optical device (229) for forming a light beam, which optical device comprises a lens (330) having a top section (331) configured to receive light emitted by a light source (220), a bottom section (332) configured to allow the received light to exit the lens, and a plurality of side sections (333) stretching from the top section to the bottom section. The plurality of side sections enclose the lens and are adapted to reflect and refract incident rays of the received light. A cross-section (334) of the lens, in a plane perpendicular to a centre axis (338) stretching from the top section to the bottom section, has the shape of a polygon, which polygon is oriented in a length-wise direction (335) and in a transversal direction (336) being perpendicular to each other. Furthermore, the lens is adapted such that the received light exits the lens as a light beam formed to an elongated shape (5) at a predetermined distance (4) from the optical device.Type: ApplicationFiled: April 27, 2012Publication date: February 20, 2014Applicant: KONINKLIJKE PHILIPS N.V.Inventors: Kwan Nai Lee, Maarten Van Lierop, Albert Bijlsma, Barry Mos, Petrus Gerardus Josephus Maria Nuyens