Patents by Inventor Aldegonda Lucia Weijers
Aldegonda Lucia Weijers 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: 11898707Abstract: The present disclosure relates to a light-emitting diode (LED) filament (100) comprising a carrier (120) having a first side on which a plurality of LEDs is arranged. The plurality of LEDs comprises a LED of a first type (111) arranged to emit light having a first peak wavelength in the range 400-500 nm, a LED of a second type (112) arranged to emit light having a second peak wavelength in the range 500-570 nm, and a LED of a third type (113) arranged to emit light having a third peak wavelength in the range 590-680 nm. An encapsulant (130) encapsulates at least the LED of the first type, and at least partly the LEDs of the second type and the third type. The encapsulant (130) comprises a wavelength converting material having a higher absorption coefficient for the first peak wavelength than for the second peak wavelength and the third peak wavelength. The wavelength converting material has an emission band extending at least from 500 to 650 nm.Type: GrantFiled: November 3, 2020Date of Patent: February 13, 2024Assignee: SIGNIFY HOLDING B.V.Inventors: Aldegonda Lucia Weijers, Vincent Arnoud Wouters
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Publication number: 20240032199Abstract: A method (200) for making a lighting device is provided. The lighting device comprises a carrier having a side on which lighting elements are to be mounted in a selected arrangement in relation to each other using the surface-mount equipment. The method comprises marking (201) on the side of the carrier, using a marking substance comprising an ink composition, indications of the positions on the side of the carrier where the lighting elements are to be placed in order for the lighting elements to become mounted on the side of the carrier according to the selected arrangement of the lighting elements in relation to each other, wherein at least one of the surface-mount equipment or the marking substance is arranged such that the marking substance is detectable by the surface-mount equipment.Type: ApplicationFiled: November 29, 2021Publication date: January 25, 2024Inventors: Aldegonda Lucia WEIJERS, Marcel Petrus LUCASSEN
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Publication number: 20230209671Abstract: A method of controlling a multicolor LED lighting device is discloses. The LED lighting device comprises at least two series-connected LED light sources with different color metric values and supplied with a current, each LED light source is controlled by a respective switch operating according to a duty cycle. The method adapts an operating current amplitude supplied to the multicolor LED lighting device based on a color point that is required by a user. The method comprises the steps of receiving a designated color metric value for the LED lighting device; determining an operating current amplitude for the LED lighting device based on a current profile over a range of color metric values and the designated color metric value, and setting the current supplied to the LED light sources to the determined operating current amplitude.Type: ApplicationFiled: June 8, 2021Publication date: June 29, 2023Inventors: Vincent Arnoud WOUTERS, Berend Jan Willem TER WEEME, Aldegonda Lucia WEIJERS
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Publication number: 20230020560Abstract: The invention provides a light generating device (1000) comprising (i) a tubular enclosure (100) and (ii) a plurality of light sources (200) configured to generate light source light (201) configured within the tubular enclosure (100), wherein the light sources (200) comprise solid state light sources, wherein the enclosure (100) comprises an enclosure material (300) that is transmissive for at least part of the light source light (201), wherein the enclosure material (300) comprises polymeric foam material (310), wherein the polymeric foam material (310) has a volume fraction of gas voids (320) relative to the total volume of the polymeric foam material (310) including the gas voids (320) selected from the range of 10-95 vol. %, wherein the tubular enclosure (100) has a tube length (L1) of at least 400 mm and a wall thickness (w1) selected from the range of 0.5-6 mm.Type: ApplicationFiled: December 21, 2020Publication date: January 19, 2023Inventors: PETER JOHANNES MARTINUS BUKKEMS, JOHANNES PETRUS MARIA ANSEMS, ALDEGONDA LUCIA WEIJERS
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Publication number: 20220390073Abstract: The present disclosure relates to a light-emitting diode (LED) filament (100) comprising a carrier (120) having a first side on which a plurality of LEDs is arranged. The plurality of LEDs comprises a LED of a first type (111) arranged to emit light having a first peak wavelength in the range 400-500 nm, a LED of a second type (112) arranged to emit light having a second peak wavelength in the range 500-570 nm, and a LED of a third type (113) arranged to emit light having a third peak wavelength in the range 590-680 nm. An encapsulant (130) encapsulates at least the LED of the first type, and at least partly the LEDs of the second type and the third type. The encapsulant (130) comprises a wavelength converting material having a higher absorption coefficient for the first peak wavelength than for the second peak wavelength and the third peak wavelength. The wavelength converting material has an emission band extending at least from 500 to 650 nm.Type: ApplicationFiled: November 7, 2019Publication date: December 8, 2022Inventors: ALDEGONDA LUCIA WEIJERS, VINCENT ARNOUD WOUTERS
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Publication number: 20210293391Abstract: A lighting module (1) is disclosed, comprising at least one elongated carrier (2, 8) arranged to support a plurality of light-emitting elements (3) and configured to provide power to the plurality of light-emitting elements (3). The plurality of light-emitting elements (3) comprises at least a first set comprising a plurality of light-emitting elements and a second set comprising a plurality of light-emitting elements. The lighting module (1) comprises at least one optical element (4) coupled to the at least one elongated carrier (2, 8) and configured to receive light emitted from the first set of light-emitting elements when supplied with power and light emitted from the second set of light-emitting elements when supplied with power, respectively, mix the received light by means of diffusing and/or scattering the received light, and output the mixed light.Type: ApplicationFiled: May 27, 2019Publication date: September 23, 2021Inventors: Aldegonda Lucia WEIJERS, Peter Johannes Martinus BUKKEMS
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Patent number: 11129250Abstract: The invention provides a lighting system (1) with at least two subsets (SS1, AS1) of light sources, wherein one or more first subsets (SS1, SS2, . . . ) provide first light (111) mimicking the solar light (during the day) and with the first light (111) having a variable direction, and wherein one or more second subsets (AS1, . . . ) provide second light (211) mimicking the sky (without the sun, as the sun is provided by the first subset(s)) 5 (during the day). Especially, the color and/or color temperature of the first light (111) is variable, in addition the variability in direction. The lighting system may further comprise a control system (20) configured to control the color and intensity of the first light and/or second light.Type: GrantFiled: February 14, 2017Date of Patent: September 21, 2021Assignee: SIGNIFY HOLDING B.V.Inventors: Michel Cornelis Josephus Marie Vissenberg, Aldegonda Lucia Weijers, Ronald Cornelis De Gier
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Publication number: 20210195706Abstract: The invention provides a lighting system (1) with at least two subsets (SS1, AS1) of light sources, wherein one or more first subsets (SS1, SS2, . . . ) provide first light (111) mimicking the solar light (during the day) and with the first light (111) having a variable direction, and wherein one or more second subsets (AS1, . . . ) provide second light (211) mimicking the sky (without the sun, as the sun is provided by the first subset(s)) 5 (during the day). Especially, the color and/or color temperature of the first light (111) is variable, in addition the variability in direction. The lighting system may further comprise a control system (20) configured to control the color and intensity of the first light and/or second light.Type: ApplicationFiled: February 14, 2017Publication date: June 24, 2021Inventors: Michel Cornelis Josephus Marie VISSENBERG, Aldegonda Lucia WEIJERS, Ronald Cornelis DE GIER
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Publication number: 20200037421Abstract: A system (1) is disclosed, which comprises a transmitting device (2) and a receiving device (3). The transmitting device (2) comprises a light source (4) configured to vary the intensity of the emitted light so as to include information in light (5) emitted by the light source (4). The receiving device (3) comprises a lighting device (7) configured to emit light at least during some periods of time. At least one light sensor (6) of the receiving device (3) is configured to sense light emitted by the light source (4) and convert it into at least one received signal. The receiving device (3) is configured such that the at least one light sensor (6) at least during some periods of time does not receive any light emitted by the lighting device (7). The at least one received signal can be processed so as to determine the information included in the light (5) emitted by the light source (4).Type: ApplicationFiled: February 14, 2018Publication date: January 30, 2020Inventors: MARCEL BEIJ, LUCAS LOIS MARIE VOGELS, ALDEGONDA LUCIA WEIJERS
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Publication number: 20190137076Abstract: A light bulb (1) is disclosed. The light bulb (1) comprises: a connector (2) for mechanically and electrically connecting the light bulb (1) to a light bulb socket; a light source (4) electrically connected to receive electrical power from the connector (2), wherein the light source (4) is separated from the connector (2) along a central axis (A) of the light bulb (1); and an internal structure (5) arranged along the central axis (A) between the connector (2) and the light source (4), wherein an axial direction is defined along the central axis (A) from the connector (2) towards the internal structure (5). The light bulb (1) further comprises a light-transmissive optical element (7) provided with an internal cavity (8) housing the light source (4) and the internal structure (5), the optical element (7) thereby forming an outer contour of the light bulb (1).Type: ApplicationFiled: June 8, 2017Publication date: May 9, 2019Inventors: PETER JOHANNES MARTINUS BUKKEMS, JOHANNES PETRUS MARTIA ANSEMS, ALDEGONDA LUCIA WEIJERS, SIMON EME KADIJK
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Patent number: 10205067Abstract: A ceramic green wavelength conversion element (120) is coated with a red wavelength conversion material (330) and placed above a blue light emitting element (110) such that the ceramic element (120) is attached to the light emitting element (110), thereby providing an efficient thermal coupling from the red and green converters (330, 120) to the light emitting element (110) and its associated heat sink. To protect the red converter coating (330) from the effects of subsequent processes, a sacrificial clear coating (340) is created above the red converter element (330). This clear coating (340) may be provided as a discrete layer of clear material, or it may be produced by allowing the red converters to settle to the bottom of its suspension material, thereby forming a converter-free upper layer that can be subjected to the subsequent fabrication processes.Type: GrantFiled: June 1, 2016Date of Patent: February 12, 2019Assignee: Lumileds LLCInventors: April Dawn Schricker, Kim Kevin Mai, Grigoriy Basin, Uwe Mackens, Joost Peter Andre Vogels, Aldegonda Lucia Weijers, Karl Adriaan Zijtveld
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Patent number: 10184653Abstract: A retrofit light bulb (1) is disclosed. The retrofit light bulb (1) comprises a substantially flat heat spreader (2) having an opening (5); first and second cover members (7, 8) sandwiching the heat spreader (2), each cover member (7, 8) having a protruding portion (9, 10) directed away from the heat spreader (2) and aligned with the opening (5), the two protruding portion (9, 10) together forming a compartment (11); and one or more solid state lighting devices (18) mounted on a carrier (19) arranged in said compartment (11), in thermal contact with the heat spreader (2), wherein said one or more solid state lighting devices (18) are arranged so that each protruding portion (9, 10) receives light directly from each solid state lighting device (18). The compartment thus forms a single light mixing chamber in which light emitted by all of the SSL devices is mixed.Type: GrantFiled: February 26, 2016Date of Patent: January 22, 2019Assignee: PHILIPS LIGHTING HOLDING B.V.Inventors: Peter Johannes Martinus Bukkems, Aldegonda Lucia Weijers, Johannes Petrus Maria Ansems, Peter Rijskamp
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Publication number: 20180087762Abstract: A lighting device (100, 400) comprising a cover having an inside (128) and an outside (129). The cover defines a light emitting portion (112), a driver circuitry chamber (114), a transition portion (113) between the light emitting portion (112) and the driver circuitry chamber (114), and a cap portion (115) at the opposite end of the driver circuitry chamber (114) compared to the transition portion (113). The lighting device (100, 400) further comprises a carrier (104) arranged in the light emitting portion (112) and solid state light sources (106) mounted on the carrier (106). The lighting device (100, 400) further comprises a thermally conductive inlay (120, 121, 420, 421) in thermal contact with the cover and arranged along the inside of the cover for transferring heat from the light emitting portion (112) to at least one of the transition portion (113), the driver circuitry chamber (114) and the cap portion (115).Type: ApplicationFiled: March 17, 2016Publication date: March 29, 2018Inventors: Peter Johannes Martinus BUKKEMS, Aldegonda Lucia WEIJERS, Simon Eme KADIJK
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Patent number: 9890942Abstract: A lamp comprising a driver assembly, the driver assembly including a driver board with driver electronics, at least one point light source and a heat sink, the heat sink including a top side and a bottom side, a central space extending from the bottom side to the top side and adapted for receiving the driver board of the driver assembly, a zone provided at the top side and adapted for receiving the at least one point light source, wherein a plurality of fins adapted for dissipating heat are extending on opposite sides of the central space, and an extension of the central space in at least one radial direction of the heat sink is larger than an extension of the zone in the radial direction of the heat sink such that the central space is provided with at least one section arranged offset from and radially adjacent to the zone.Type: GrantFiled: September 17, 2013Date of Patent: February 13, 2018Assignee: PHILIPS LIGHTING HOLDING B.V.Inventors: Lihua Lin, Aldo Tralli, Theodoor Cornelis Treurniet, Aldegonda Lucia Weijers, Martijn Evert Paul Jansen, Sait Izmit
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Publication number: 20180031225Abstract: A retrofit light bulb (1) is disclosed. The retrofit light bulb (1) comprises a substantially flat heat spreader (2) having an opening (5); first and second cover members (7, 8) sandwiching the heat spreader (2), each cover member (7, 8) having a protruding portion (9, 10) directed away from the heat spreader (2) and aligned with the opening (5), the two protruding portion (9, 10) together forming a compartment (11); and one or more solid state lighting devices (18) mounted on a carrier (19) arranged in said compartment (11), in thermal contact with the heat spreader (2), wherein said one or more solid state lighting devices (18) are arranged so that each protruding portion (9, 10) receives light directly from each solid state lighting device (18). The compartment thus forms a single light mixing chamber in which light emitted by all of the SSL devices is mixed.Type: ApplicationFiled: February 26, 2016Publication date: February 1, 2018Inventors: Peter Johannes Martinus BUKKEMS, Aldegonda Lucia WEIJERS, Johannes Petrus Maria ANSEMS, Peter RIJSKAMP
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Patent number: 9709222Abstract: The present invention relates lamp (10), comprising: a carrier (12); a series (28a) of solid state light sources (30) mounted on the carrier; and a cover member (32a) covering the series of solid state light sources, wherein openings (40) are provided in the carrier between the solid state light sources of said series of solid state light sources, such that light emitted from the series of solid state light sources and reflected back towards the carrier by the cover member is allowed to pass the carrier through the openings. The present invention also relates to a lighting fixture comprising at least one such lamp.Type: GrantFiled: July 24, 2015Date of Patent: July 18, 2017Assignee: PHILIPS LIGHTING HOLDING B.V.Inventors: Peter Johannes Martinus Bukkems, Aldegonda Lucia Weijers
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Publication number: 20170051877Abstract: The invention relates to a lamp assembly (1) comprising a support structure (2) supporting a plurality of light sources (5), a light radiator (3) and a plurality of light guides (4). The light guides (4) have an elongated geometry extending between the plurality of light sources (5) and the light radiator (3) with an inlet portion (11) of each of the light guides (4) facing at least one of the plurality of light sources (5) and an outlet portion (12) of each of the light guides (4) facing the light radiator (3). The light radiator (3) is arranged to mimic a light filament of an incandescent lamp. The lamp assembly (1) further comprises a heat sink (16) having a fin-like geometry (18, 28) extending in the direction of the longitudinal centre axis L away from the light guides (4), said heat sink being thermally connected to the light guides (4).Type: ApplicationFiled: February 11, 2015Publication date: February 23, 2017Applicant: Philips Lighting Holding B.V.Inventors: Aldegonda Lucia WEIJERS, Aldo TRALLI, Ludovicus Johannes Lambertus HAENEN
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Publication number: 20160276551Abstract: A ceramic green wavelength conversion element (120) is coated with a red wavelength conversion material (330) and placed above a blue light emitting element (110) such that the ceramic element (120) is attached to the light emitting element (110), thereby providing an efficient thermal coupling from the red and green converters (330, 120) to the light emitting element (110) and its associated heat sink. To protect the red converter coating (330) from the effects of subsequent processes, a sacrificial clear coating (340) is created above the red converter element (330). This clear coating (340) may be provided as a discrete layer of clear material, or it may be produced by allowing the red converters to settle to the bottom of its suspension material, thereby forming a converter-free upper layer that can be subjected to the subsequent fabrication processes.Type: ApplicationFiled: June 1, 2016Publication date: September 22, 2016Inventors: April Dawn Schricker, Kim Kevin Mai, Grigoriy Basin, Uwe Mackens, Joost Peter Andre Vogels, Aldegonda Lucia Weijers, Karl Adriaan Zijtveld
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Patent number: 9423085Abstract: There is provided a light emitting module (1) having at least one light emitting element (3) which is arranged to emit light of a primary wavelength, and a wavelength converting element (5) arranged at a distance from the at least one light emitting element (3). The wavelength converting element (5) is arranged to convert at least part of the light of a primary wavelength into light of a secondary wavelength. Further the module (1) comprises a first optical component (7) having surface structures (11) on a surface facing away from the light emitting element (3). Light rays incident on the first optical component (7) at small angles are reflected and light rays incident on the first optical component (7) at large angles are transmitted and bent towards a normal of the first optical component (7). The invention is advantageous in that it provides a compact and efficient light-directing module.Type: GrantFiled: December 3, 2012Date of Patent: August 23, 2016Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Fritz Helmut Zahn, Susanne Lina Goldbach, Martinus Petrus Joseph Peeters, Rémy Cyrille Broersma, Aldegonda Lucia Weijers
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Patent number: 9379293Abstract: A ceramic green wavelength conversion element (120) is coated with a red wavelength conversion material (330) and placed above a blue light emitting element (110) such that the ceramic element (120) is attached to the light emitting element (110), thereby providing an efficient thermal coupling from the red and green converters (330, 120) to the light emitting element (110) and its associated heat sink. To protect the red converter coating (330) from the effects of subsequent processes, a sacrificial clear coating (340) is created above the red converter element (330). This clear coating (340) may be provided as a discrete layer of clear material, or it may be produced by allowing the red converters to settle to the bottom of its suspension material, thereby forming a converter-free upper layer that can be subjected to the subsequent fabrication processes.Type: GrantFiled: July 12, 2013Date of Patent: June 28, 2016Assignee: Koninklijke Philips N.V.Inventors: April Dawn Schricker, Kim Kevin Mai, Grigoriy Basin, Uwe Mackens, Joost Peter Andre Vogels, Aldegonda Lucia Weijers, Karl Adriaan Zijtveld