Patents by Inventor Yves Gromfeld
Yves Gromfeld 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: 10690309Abstract: An optical module for motor vehicle including at least one light source capable of emitting an initial light beam and a primary optical means capable of receiving the initial light beam and having a cutoff member arranged to transform the initial light beam into a secondary light beam oriented in a longitudinal direction and exhibiting a predetermined bottom cutoff extending overall transversely. A projection means is arranged to project a final light beam exhibiting a top cutoff formed by an inverted image of the secondary light beam with cutoff, wherein the primary optical means has a light deflection member arranged to deflect a part of the light rays of the initial light beam below the cutoff of the secondary beam toward the projection means.Type: GrantFiled: September 1, 2017Date of Patent: June 23, 2020Assignee: VALEO VISIONInventor: Yves Gromfeld
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Patent number: 10690307Abstract: An optical part includes a transparent or translucent block having first and second collimators that are intended to receive the beams of first and second light sources so that the beams enter into the block. The collimators are arranged in such a way that these sources may be positioned in a plane that an intermediate exit dioptric interface toward which the first collimator guides the first beam so that this first beam exits from the block through this intermediate dioptric interface. A cutoff dioptric interface forms a folder for the first beam and for the second beam, and the first collimator with the intermediate dioptric interface and the second collimator being arranged so that each beam converges on the cutoff edge of the folder.Type: GrantFiled: July 25, 2019Date of Patent: June 23, 2020Assignee: VALEO VISIONInventor: Yves Gromfeld
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Publication number: 20200103087Abstract: A single-piece optical part made of transparent or translucent material, comprising a plurality of active surfaces arranged to form a beam, including an entrance dioptric interface and an exit dioptric interface, inactive surfaces joining the active surfaces, at least one of the inactive surfaces comprising a scattering segment so as to scatter the rays that reach it.Type: ApplicationFiled: September 19, 2019Publication date: April 2, 2020Applicant: Valeo VisionInventor: Yves GROMFELD
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Patent number: 10605425Abstract: A luminous device including a first row of light sources for generating first unitary beams and a second row of light sources for generating second unitary beams. The first unitary beams have a sloped profile. The first unitary beams and second unitary beams are associated so as to construct a resultant beam provided with a slope and with a section extending laterally from the slope.Type: GrantFiled: February 27, 2019Date of Patent: March 31, 2020Assignee: VALEO VISIONInventor: Yves Gromfeld
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Publication number: 20200080699Abstract: A single-piece optical vehicle part comprising: a plurality of entrance dioptric interfaces and/or a plurality of exit dioptric interfaces; at least one junction between two adjacent entrance dioptric interfaces and/or at least one junction between two adjacent exit dioptric interfaces. The junction between two adjacent entrance dioptric interfaces and/or the junction between two adjacent exit dioptric interfaces has a structural modification allowing light to be absorbed and/or scattered.Type: ApplicationFiled: September 6, 2019Publication date: March 12, 2020Applicant: VALEO VISIONInventors: Pierre RENAUD, Alexandre JOERG, Francois GRATECAP, Yves GROMFELD
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Publication number: 20200041089Abstract: An optical part includes a transparent or translucent block having first and second collimators that are intended to receive the beams of first and second light sources so that the beams enter into the block. The collimators are arranged in such a way that these sources may be positioned in a plane that an intermediate exit dioptric interface toward which the first collimator guides the first beam so that this first beam exits from the block through this intermediate dioptric interface. A cutoff dioptric interface forms a folder for the first beam and for the second beam, and the first collimator with the intermediate dioptric interface and the second collimator being arranged so that each beam converges on the cutoff edge of the folder.Type: ApplicationFiled: July 25, 2019Publication date: February 6, 2020Applicant: VALEO VISIONInventor: Yves GROMFELD
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Publication number: 20190264884Abstract: A luminous device including a first row of light sources for generating first unitary beams and a second row of light sources for generating second unitary beams. The first unitary beams have a sloped profile. The first unitary beams and second unitary beams are associated so as to construct a resultant beam provided with a slope and with a section extending laterally from the slope.Type: ApplicationFiled: February 27, 2019Publication date: August 29, 2019Applicant: VALEO VISIONInventor: Yves GROMFELD
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Publication number: 20190234571Abstract: The invention concerns a lighting module for motor vehicles, including at least one first row of first illumination units configured to produce a first exit beam, each first illumination unit including a first light source and a first optical element configured to produce a first unitary beam from light rays coming from the first light source, characterized in that the first optical element of each of the first illumination units is configured to produce: a first total internal reflection of the rays coming from the first light source so as to form a reflected beam of collimated rays; a second total internal reflection of the collimated rays so as to generate the first unitary beam.Type: ApplicationFiled: January 31, 2019Publication date: August 1, 2019Applicant: VALEO VISIONInventor: Yves GROMFELD
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Patent number: 10345612Abstract: A light-emitting module, notably for a motor vehicle, including a translucent or transparent material body having an entry face for light rays produced by one or more light sources, a first reflection face with an edge for cutting off the rays coming from the entry face, a second reflection face for reflecting toward the exit face rays coming from the first reflection face, and an exit face for the light rays in an exit beam along an optical axis of the module. The invention also relates to a headlight including at least one such light-emitting module.Type: GrantFiled: June 11, 2018Date of Patent: July 9, 2019Assignee: VALEO VISIONInventor: Yves Gromfeld
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Patent number: 10344949Abstract: A lighting module, able to form a light beam along an optical axis, notably for a motor vehicle, having a body made of transparent material. The lighting module includes a first light rays input surface and a first reflection surfaceable to reflect to one or more focuses the light rays coming from the first input surface. A dioptric reflection folder surface essentially is extended along the optical axis and forms a cut-off edge at the level of the focus or focuses. Also included is a second light rays input surface, opposite to the first input surface with respect to the optical axis and a second reflection surface able to reflect the light rays coming from the second input surface towards the cut-off edge.Type: GrantFiled: August 20, 2018Date of Patent: July 9, 2019Assignee: VALEO VISIONInventor: Yves Gromfeld
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Publication number: 20190093846Abstract: A lighting system for a motor vehicle comprising at least one primary optical device for emitting a light beam exhibiting a cutoff profile, the primary optical emission device comprising at least one light source and one single-piece primary optical member comprising an input surface suitable for receiving a light beam emitted by the light source, a ray interception surface configured to form the cutoff profile in the light beam received and an output surface for the light beam. This system also comprises a projection device arranged downstream of the primary optical emission device(s) and comprising an input surface arranged facing the primary optical emission device(s), and through which are introduced rays of the light beam derived as output from the primary optical emission device(s) a single continuous output surface through which the light beam is projected.Type: ApplicationFiled: November 21, 2018Publication date: March 28, 2019Applicant: VALEO VISIONInventors: Yves GROMFELD, Maxime Laminette, Sylvain Giraud, Jean-Francois Doha
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Publication number: 20190011104Abstract: A lighting device, including an array of at least two light sources of the light emitting semiconductor type and an array of at least a first illumination element and a second illumination element, each illumination element being associated with one of the light sources and configured for being lit the associated light source in such a way that a light beam emitted by the light source exhibits a shape dependent on a shape of the illumination element, the first illumination element being of trapezoidal shape having a large base and the second illumination element having a shape partially complementary to the trapezoidal shape and including two edges extending from two opposite ends of the large base, parallel with each other, being distant by at least a length of the order of the length of the large base.Type: ApplicationFiled: July 6, 2018Publication date: January 10, 2019Applicant: VALEO VISIONInventors: Jean-Francois DOHA, Sylvain Giraud, Yves Gromfeld, Maxime Laminette
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Publication number: 20180356073Abstract: A lighting module, able to form a light beam along an optical axis, notably for a motor vehicle, having a body made of transparent material. The lighting module includes a first light rays input surface and a first reflection surfaceable to reflect to one or more focuses the light rays coming from the first input surface. A dioptric reflection folder surface essentially is extended along the optical axis and forms a cut-off edge at the level of the focus or focuses. Also included is a second light rays input surface, opposite to the first input surface with respect to the optical axis and a second reflection surface able to reflect the light rays coming from the second input surface towards the cut-off edge.Type: ApplicationFiled: August 20, 2018Publication date: December 13, 2018Applicant: VALEO VISIONInventor: Yves GROMFELD
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Patent number: 10151437Abstract: A lighting system for a motor vehicle comprising at least one primary optical device for emitting a light beam exhibiting a cutoff profile, the primary optical emission device comprising at least one light source and one single-piece primary optical member comprising an input surface suitable for receiving a light beam emitted by the light source, a ray interception surface configured to form the cutoff profile in the light beam received and an output surface for the light beam. This system also comprises a projection device arranged downstream of the primary optical emission device(s) and comprising an input surface arranged facing the primary optical emission device(s), and through which are introduced rays of the light beam derived as output from the primary optical emission device(s); a single continuous output surface through which the light beam is projected.Type: GrantFiled: July 26, 2016Date of Patent: December 11, 2018Assignee: VALEO VISIONInventors: Yves Gromfeld, Maxime Laminette, Sylvain Giraud, Jean-Francois Doha
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Patent number: 10139646Abstract: A light-emitting module, notably for a motor vehicle, including a translucent or transparent material body having an entry face for light rays produced by one or more light sources, a first reflection face with an edge for cutting off the rays coming from the entry face, a second reflection face for reflecting toward the exit face rays coming from the first reflection face, and an exit face for the light rays in an exit beam along an optical axis of the light emitting module. The invention also relates to a headlight including at least one such light-emitting module.Type: GrantFiled: August 4, 2016Date of Patent: November 27, 2018Assignee: VALEO VISIONInventor: Yves Gromfeld
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Patent number: 10139057Abstract: The invention relates to an optical module intended to project a final light beam having a profiled cutoff having at least one horizontal segment, including a controlled light source emitting an initial beam, and optical cutting-off means for converting the initial beam into an intermediate cutoff beam containing a cutoff, in which beam the light rays are distributed vertically below the profiled cutoff. The optical module includes horizontally focusing optical means for focusing the intermediate cutoff beam toward a substantially vertical line of focus, and an exit lens having a vertical focal line that is coincident with the line of focus in order to convert the intermediate cutoff beam into the final beam.Type: GrantFiled: October 26, 2017Date of Patent: November 27, 2018Assignee: VALEO VISIONInventor: Yves Gromfeld
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Publication number: 20180292668Abstract: The invention concerns a light-emitting module (2), notably for a motor vehicle, including a translucent or transparent material body (4) having an entry face (6) for light rays produced by one or more light sources, a first reflection face (8) with an edge (14) for cutting off the rays coming from the entry face (6), a second reflection face (10) for reflecting toward the exit face (12) rays coming from the first reflection face (8), and an exit face (12) for the light rays in an exit beam along an optical axis of the module. The invention also relates to a headlight including at least one such light-emitting module.Type: ApplicationFiled: June 11, 2018Publication date: October 11, 2018Inventor: Yves GROMFELD
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Patent number: 10082272Abstract: A lighting module, able to form a light beam along an optical axis, notably for a motor vehicle, having a body made of transparent material. The lighting module includes a first light rays input surface and a first reflection surfaceable to reflect to one or more focuses the light rays coming from the first input surface. A dioptric reflection folder surface essentially is extended along the optical axis and forms a cut-off edge at the level of the focus or focuses. Also included is a second light rays input surface, opposite to the first input surface with respect to the optical axis and a second reflection surface able to reflect the light rays coming from the second input surface towards the cut-off edge.Type: GrantFiled: August 18, 2017Date of Patent: September 25, 2018Assignee: VALEO VISIONInventor: Yves Gromfeld
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Publication number: 20180119899Abstract: The invention relates to an optical module intended to project a final light beam having a profiled cutoff having at least one horizontal segment, including a controlled light source emitting an initial beam, and optical cutting-off means for converting the initial beam into an intermediate cutoff beam containing a cutoff, in which beam the light rays are distributed vertically below the profiled cutoff. The optical module includes horizontally focusing optical means for focusing the intermediate cutoff beam toward a substantially vertical line of focus, and an exit lens having a vertical focal line that is coincident with the line of focus in order to convert the intermediate cutoff beam into the final beam.Type: ApplicationFiled: October 26, 2017Publication date: May 3, 2018Applicant: VALEO VISONInventor: Yves GROMFELD
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Publication number: 20180087732Abstract: A motor-vehicle lighting device including a plurality of primary optical elements, intermediate lenses, and a curved projecting lens. Each primary optical element has a curved exit refracting surface and comprises a plurality of rectangular light guides that are each intended to interact with one light-emitting diode one laser. Each intermediate lens is placed between an exit refracting surface of the primary optical element and the projecting lens. Each intermediate lens is configured to distribute and concentrate the radiation issued from an exit refracting surface of the element over and onto the projecting lens. The lighting device is configured so as to project the diode radiation entering into the light guides and exiting via the projecting lens in the form of luminous pixels, or luminous strips, the light intensity of each of which is controlled despite the curvature of the projecting lens.Type: ApplicationFiled: September 29, 2017Publication date: March 29, 2018Applicant: VALEO VISIONInventors: Antoine DE LAMBERTERIE, Yves GROMFELD