Patents by Inventor Pierre Albou
Pierre Albou 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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Publication number: 20240027045Abstract: The invention relates to a lighting system including a pixelated light source provided with a plurality of selectively activatable emissive elements, each having a rectangular shape with a height dimension and a width dimension, the width dimension being the same for all the emissive elements, and an optical device having an optical axis and configured to project an image of each of the emissive elements. The optical device configured such that the images have a width dimension that increases non-linearly moving away from the optical axis.Type: ApplicationFiled: December 20, 2020Publication date: January 25, 2024Applicant: VALEO VISIONInventor: Pierre ALBOU
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Patent number: 11873959Abstract: An optical device for a lighting module. The invention relates to an optical device and a lighting module including a light source provided with a plurality of emitting elements and with said optical device. One face of a lens of the device comprises an array of recessed patterns, each of which is organized with a specific profile so as to produce an optimized light distribution. The profile in particular has a rotational symmetry.Type: GrantFiled: October 14, 2020Date of Patent: January 16, 2024Assignee: Valeo VisionInventor: Pierre Albou
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Publication number: 20240012137Abstract: The invention relates to a vehicle assembly including a radar sensor configured to emit radar waves over a range of wavelengths, a luminous module. The luminous module including a sub-layer and a layer of patterns forming a sub-wavelength structured dielectric element with a repetition period of the patterns that is less than a quarter of a wavelength of the range, with the total thickness of the luminous module is equal to m times a wavelength of the range, the whole being divided by twice the equivalent refractive index of the sub-layer and of the layer of patterns, times the cosine of a refracted angle corresponding to an angle of incidence of the radar waves, where m is an integer.Type: ApplicationFiled: November 17, 2021Publication date: January 11, 2024Applicant: VALEO VISIONInventors: Pierre ALBOU, Pierre RENAUD
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Publication number: 20240012098Abstract: A vehicle assembly including a radar sensor configured to emit radar waves over a range of wavelengths with an arrangement of layers placed opposite the radar sensor, including a first subset of layers configured to perform an optical function, each layer having a refractive index and a thickness, and a second subset of layers configured to provide protection for the first set of layers, each layer having a refractive index and a thickness. The total thickness of the second subset of layers is dimensioned so that the total thickness of the arrangement of layers is equal to m times a wavelength of the range divided by twice the equivalent refractive index of the first subset of layers and of the second subset of layers, times the cosine of a refracted angle corresponding to the angle of incidence of the radar waves, where m is an integer.Type: ApplicationFiled: November 17, 2021Publication date: January 11, 2024Applicant: VALEO VISIONInventors: Pierre ALBOU, Pierre RENAUD
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Publication number: 20240012099Abstract: A vehicle assembly including a radar sensor configured to emit radar waves, an arrangement of layers including a primary layer, placed opposite the radar sensor and having an input surface for the radar waves, a secondary layer including at least one relief, with the secondary layer being adjacent to the primary layer and including a primary junction surface with the primary layer and a secondary junction surface with an adjacent tertiary layer, with the tertiary layer including a radar wave output surface parallel to the input surface, the primary layer, the secondary layer and the tertiary layer having a primary refractive index, a secondary refractive index and a tertiary refractive index.Type: ApplicationFiled: November 17, 2021Publication date: January 11, 2024Applicant: VALEO VISIONInventors: Pierre ALBOU, Pierre RENAUD, Lucas PERDRIX
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Publication number: 20230243961Abstract: The invention relates to a vehicle assembly for a vehicle, with the vehicle assembly including a radar sensor configured to transmit/receive radar waves. The radar sensor being placed facing a layer assembly. The layer assembly includes at least two dielectric layers, these dielectric layers including a primary layer and a secondary layer separated by a layer of air. The layer of air has a thickness equal to (m3×(?/2))/cos(?3), with ?3 an angle of incidence of exiting reflected waves striking the secondary layer and m3=1, . . . to N, N being an integer, the exiting reflected waves deriving from radar waves transmitted by the radar sensor.Type: ApplicationFiled: June 1, 2021Publication date: August 3, 2023Applicant: VALEO VISIONInventors: Pierre RENAUD, Pierre ALBOU
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Publication number: 20230068695Abstract: An optical device for a lighting module. The invention relates to an optical device and a lighting module including a light source provided with a plurality of emitting elements and with said optical device. One face of a lens of the device comprises an array of recessed patterns, each of which is organized with a specific profile so as to produce an optimized light distribution. The profile in particular has a rotational symmetry.Type: ApplicationFiled: October 14, 2020Publication date: March 2, 2023Applicant: Valeo VisionInventor: Pierre ALBOU
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Patent number: 11585509Abstract: The present invention relates to a lighting system for a motor vehicle. The lighting system comprises at least one first light emitting device mounted on a front right side of the vehicle and adapted to project in front of the vehicle a first pixelated light beam. The lighting system further comprises at least one second light emitting device mounted on a front left side of the vehicle and adapted to project in front of the vehicle a second pixelated light beam. One of the first pixelated light beam and second pixelated light beam, called high resolution beam, has a number of pixels greater than or equal to at least five times, in particular greater than or equal to at least ten times, the number of pixels of the other of said pixelated light beams, called low resolution beam.Type: GrantFiled: January 30, 2020Date of Patent: February 21, 2023Assignee: Valeo VisionInventors: Pierre Albou, Sophie Clade, Taro Nishio
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Patent number: 11572993Abstract: A light module for a motor vehicle headlamp comprising at least one pixelated light source, a plurality of electroluminescent emitters distributed into a plurality of pixels and capable of emitting light rays, a projection optic arranged to directly image, toward the outside of the light module, a light beam formed by said light rays emitted by said at least one light source. The light module is characterized by a mask arranged between the at least one light source and the projection optic in order to completely or partially prevent light rays originating from the light source from being reflected by regions arranged outside the plurality of electroluminescent emitters of the light source.Type: GrantFiled: September 10, 2019Date of Patent: February 7, 2023Assignee: Valeo VisionInventors: Pierre Albou, Thomas Daniel, Sophie Clade, Sebastien Roels
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Publication number: 20220099268Abstract: The present invention relates to a lighting system for a motor vehicle. The lighting system comprises at least one first light emitting device mounted on a front right side of the vehicle and adapted to project in front of the vehicle a first pixelated light beam. The lighting system further comprises at least one second light emitting device mounted on a front left side of the vehicle and adapted to project in front of the vehicle a second pixelated light beam. One of the first pixelated light beam and second pixelated light beam, called high resolution beam, has a number of pixels greater than or equal to at least five times, in particular greater than or equal to at least ten times, the number of pixels of the other of said pixelated light beams, called low resolution beam.Type: ApplicationFiled: January 30, 2020Publication date: March 31, 2022Applicant: VALEO VISIONInventors: Pierre ALBOU, Sophi CLADE, Taro NISHIO
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Patent number: 11235698Abstract: A method for calibrating a light module including a set of light-emitting elements, the method including powering the light-emitting elements so as to obtain an image projected by the light module, the projected image including a set of pixels, each pixel corresponding to at least one subset of at least one light-emitting element of the light source; for each pixel of the projected image, comparison of a difference between a light intensity of the pixel with a predefined light intensity of a corresponding pixel of a reference image, with a threshold; in the case where the difference is above the predetermined threshold, determination of a modified power supply value of at least one first light-emitting element of the subset corresponding to the given pixel; and storage, in a memory of the light module, of the modified power supply value in association with an identifier of the subset including the first light-emitting element.Type: GrantFiled: December 20, 2018Date of Patent: February 1, 2022Assignee: VALEO VISIONInventors: Pierre Albou, Vincent Godbillon
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Publication number: 20210400177Abstract: The invention concerns a system for lighting a lateral region of a vehicle. The system includes a first rear light module capable of emitting a first light beam and a second front light module capable of emitting a second light beam. The first and second light modules are arranged such that their respective light beams are oriented towards each other. The invention also relates to a vehicle including such a system. The invention finally concerns a lighting method and a method for assisting the driving of a vehicle.Type: ApplicationFiled: October 11, 2019Publication date: December 23, 2021Applicant: VALEO VISIONInventors: Kostadin BEEV, Pierre ALBOU, Hui JIN, Gregory PLANCHE, Christophe DUVAL, Christophe DUBOSC
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Publication number: 20210356091Abstract: A light module for a motor vehicle headlamp comprising at least one pixelated light source, a plurality of electroluminescent emitters distributed into a plurality of pixels and capable of emitting light rays, a projection optic arranged to directly image, toward the outside of the light module, a light beam formed by said light rays emitted by said at least one light source. The light module is characterized by a mask arranged between the at least one light source and the projection optic in order to completely or partially prevent light rays originating from the light source from being reflected by regions arranged outside the plurality of electroluminescent emitters of the light source.Type: ApplicationFiled: September 10, 2019Publication date: November 18, 2021Applicant: VALEO VISIONInventors: Pierre ALBOU, Thomas DANIEL, Sophie CLADE, Sebastien ROELS
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Patent number: 11162657Abstract: A light module, notably of a vehicle, including a semiconductor light source including a plurality of light-emitting units of submillimetric dimensions distributed in different selectively activatable light zones, at least one optic, capable of receiving the light rays emitted by the selectively activatable light zones and of deflecting them out of the light module, the shaping optic being arranged in such a way as to form an image of the light source including a plurality of pixels, the light source and the optic being arranged in such a way that these pixels exhibit an angular aperture of at most 0.4° in at least one given direction.Type: GrantFiled: June 29, 2017Date of Patent: November 2, 2021Assignee: VALEO VISIONInventors: Pierre Albou, Vanesa Sanchez, Marine Courcier
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Patent number: 11060690Abstract: A luminous device for a motor vehicle, comprising a light source including a plurality of emitting elements that are configured to form at least one first emission zone and one second emission zone that are addressable selectively from each other. The luminous device also comprises a screen that is at least partially transparent to the light emitted by the light source, comprising first transmission zones and second transmission zones that are respectively arranged facing the first and second emission zones, the first transmission zones being configured to scatter the light beams emitted by the first emission zones.Type: GrantFiled: February 26, 2018Date of Patent: July 13, 2021Assignee: VALEO VISIONInventors: Pierre Albou, Vincent Godbillon
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Patent number: 11041598Abstract: A method for controlling an electric current within a semiconductor light source, the light source comprising a substrate with at least two distinct light-emitting regions, wherein the method comprises the following steps: activating a first luminous region, regulating the mean value of the electrical variable relating to the electric current received by the light source as a function of a first setpoint, so as to obtain a first value of a first luminous flux corresponding to the flux emitted by the first luminous region, activating at least a second luminous region of the light source, regulating the mean value of the electrical variable relating to the electric current received by the light source, so as to obtain a second value of a second luminous flux corresponding to the flux emitted by at least the second luminous region.Type: GrantFiled: April 27, 2018Date of Patent: June 22, 2021Assignee: VALEO VISIONInventors: Pierre Albou, Vincent Godbillon
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Patent number: 11030897Abstract: A communication device, notably for motor vehicles, including a transmission system equipped with a light source designed to emit an initial light beam, the transmission system being configured for generating a first light beam polarized in a first direction starting from the initial light beam, the transmission system furthermore including a modulator of the direction of polarization of the first polarized light beam in such a manner as to transmit information, the device furthermore including a receiver system configured for detecting the first polarized light beam when it is polarized in the first direction and for transmitting the information.Type: GrantFiled: February 20, 2018Date of Patent: June 8, 2021Assignee: VALEO VISIONInventors: David Hue, Marine Courcier, Vanesa Sanchez, Kostadin Beev, Pierre Albou
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Patent number: 11025873Abstract: A luminous motor-vehicle system including an optical module and aims to compensate for undesirable movement or deformation effects caused by the manufacturing tolerances of the optical portion. The module includes an imaging device provided with a pixelated spatial modulator, which is illuminated by a source, and a projecting optic. A control unit for controlling the modulator receives first display commands that are representative of an image to be projected. This unit converts each first display command into a second display command taking into account correction parameters, which are predefined on the basis of an identification of geometric defects specific to the projecting optic. The control unit controls the modulator, which may be a digital micromirror device, depending on the second display commands in order that the image actually projected by the imaging device corresponds to the image to be projected.Type: GrantFiled: October 12, 2018Date of Patent: June 1, 2021Assignee: VALEO VISIONInventors: Pierre Albou, Vincent Godbillon
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Patent number: 11005013Abstract: A semiconductor light source that includes a substrate B and a plurality of semiconductor light-emitting rods extending respectively from the substrate, and a plurality of separating walls also extending from the substrate. The separating walls are arranged between the rods in such a way as to define groups of rods, and such that at least two separating walls have a different height.Type: GrantFiled: July 5, 2017Date of Patent: May 11, 2021Assignee: VALEO VISIONInventors: Pierre Albou, Marine Courcier, Vanesa Sanchez
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Patent number: 10955103Abstract: A light module having light beam scanning, notably for motor vehicles, including a light source configured for generating a light beam which has a slow axis and a fast axis, a wavelength conversion element having a conversion surface, and scanning means arranged for scanning the conversion surface with the light beam, the light module including moreover a focussing system arranged for focussing the light beam onto the conversion element and for adapting the width of the light beam to the dimensions of the scanning means, the focussing system including a lens convergent along the fast and slow axes, the lens being provided with an input dioptre and an output dioptre of the light beam, the input dioptre being substantially cylindrical in such a way as to make the light beam converge only along the fast axis until inducing a point of inversion of the image of the light source inside the lens before the light beam reaches the output dioptre.Type: GrantFiled: December 20, 2018Date of Patent: March 23, 2021Assignee: Valeo VisionInventor: Pierre Albou