Lighting system comprising a multi-phase interleaved power converter

    公开(公告)号:US12149172B2

    公开(公告)日:2024-11-19

    申请号:US17769242

    申请日:2020-10-14

    Applicant: VALEO VISION

    Abstract: A motor vehicle lighting system includes a light source, a multi-phase interleaved power converter having a plurality of selectively activatable elementary converters, each of which is configured to generate an electrical signal having its own phase. The power converter is designed to supply electrical power to the light source, and controller is designed to selectively control each of the elementary converters of the power converter. The controller is designed to receive an emission command for the emission of a desired light beam by the light source and to activate a strictly necessary number of elementary converters of the power converter such that the power converter supplies, to the light source, an electrical power needed to emit the desired light beam.

    Light guide for a vehicle
    12.
    发明授权

    公开(公告)号:US12140288B2

    公开(公告)日:2024-11-12

    申请号:US18552728

    申请日:2022-03-31

    Applicant: VALEO VISION

    Abstract: A light guide designed to be mounted in a vehicle includes a coupling portion presenting an input face, a main portion adjacent to said coupling portion, and a light output surface extending at least along the main portion. The light guide is arranged in such a way that light rays that enter into the light guide through the input face are propagated by total internal reflection along the coupling portion and then along the main portion, before reaching out of the light guide trough the output surface. The light input face is flat and has a periphery that is formed by only five edges of substantially the same size, these edges joining together such that they form five angles with substantially the same value.

    LIGHT MODULE FOR A LIGHTING DEVICE OF A MOTOR VEHICLE

    公开(公告)号:US20240360973A1

    公开(公告)日:2024-10-31

    申请号:US18579898

    申请日:2022-07-19

    Applicant: VALEO VISION

    Inventor: Yves GROMFELD

    Abstract: The invention relates to a light module for a lighting device of a motor vehicle, including a light source and an optical device, the optical device being arranged to receive light emitted by the light source and to form, from the light, a light beam having an upper cut-off including a first portion and a second portion which are substantially horizontal and separated by a third portion descending from the first portion and ascending towards the second portion, the third portion being such that the light beam has, when projected onto a screen, a light-free zone extending at least horizontally in a range from substantially 0° to −2.2° and vertically in a range from substantially 0° to −0.8°.

    Window for gap lighting
    15.
    发明授权

    公开(公告)号:US12078316B1

    公开(公告)日:2024-09-03

    申请号:US18482054

    申请日:2023-10-06

    Applicant: Valeo Vision

    Inventor: Cameron Foutch

    CPC classification number: F21S43/50 F21S43/31

    Abstract: A light system of a vehicle includes a first light housing including a first light source configured to emit first light from a face of the first light housing, a second light housing including a second light source configured to emit second light from a face of the second light housing, a gap located between the first light housing and the second light housing, and an aperture within the first light housing, wherein gap light travels from the aperture into the gap to illuminate the gap.

    METHOD FOR OPERATING AN AUTOMOTIVE LIGHTING DEVICE

    公开(公告)号:US20240284568A1

    公开(公告)日:2024-08-22

    申请号:US18567865

    申请日:2022-06-22

    Applicant: VALEO VISION

    Inventor: Rabih TALEB

    Abstract: A method for operating an automotive lighting device including at least one solid-state light source. The method includes defining a color allowance condition, feeding the light source with a current value which produces a luminous flux value higher than a minimum luminous flux threshold value, measuring the temperature in the light source, checking whether the output color satisfies the allowance condition and increasing or decreasing the current value, always keeping the current such as it produces an acceptable color. With the checking includes perform a pulse width modulation of the current value to keep an average value of the current which produces a luminous flux value higher than the minimum luminous flux threshold value. The invention also provides an automotive lighting device comprising a control element to carry out the steps of this method.

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