To provide a light projection device capable of suppressing local variance in light intensity at scanning with a mirror part, and to provide a light projection device for vehicle.SOLUTION: A light projection device 100 comprises: a light source 1 which has a plurality of light emission parts 10 arranged side by side in a predetermined direction; a plurality of convex lenses 2 which are irradiated with light from the plurality of light emission parts 10 and converge the light, and are provided as many as the plurality of light emission parts; an optical scanner 4 which has a mirror part 4a scanning light passed through the plurality of convex lenses 2 in the arrangement direction of the plurality of light emission parts 10 and a driving source 4b swinging the mirror part 4a; and a projection lens 3 which is arranged between the plurality of convex lenses 2 and the mirror part 4a, or at a position where the scanned light is projected from the mirror part 4a. The plurality of convex lenses 2 are arranged side by side in a predetermined direction at intervals so that light transmitted through the plurality of convex lenses 2 to be converged is close in a stationary state.SELECTED DRAWING: Figure 2

    【課題】ミラー部を走査した際に局所的な光度のばらつきの発生を抑制することが可能な投光装置および車両用投光装置を提供する。【解決手段】この投光装置100は、所定の方向に並んで配置された複数の発光部10を有する光源1と、複数の発光部10から光が照射されるとともに光を集束させる、複数の発光部と同じ数設けられる複数の凸状レンズ2と、複数の凸状レンズ2を通過した光を複数の発光部10が並ぶ方向に走査するミラー部4aと、ミラー部4aを揺動させる駆動源4bと、を有する光スキャナ4と、複数の凸状レンズ2とミラー部4aとの間に配置されるか、またはミラー部4aから走査された光が投影される位置に配置される投影レンズ3と、を備え、複数の凸状レンズ2は、静止時に複数の凸状レンズ2を透過して集束した光が近接するように間隔を開けて所定の方向に並んで配置されている。【選択図】図2


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    Titel :

    LIGHT PROJECTION DEVICE AND LIGHT PROJECTION DEVICE FOR VEHICLE


    Weitere Titelangaben:

    投光装置および車両用投光装置


    Beteiligte:
    TAKEMOTO SEIJI (Autor:in)

    Erscheinungsdatum :

    2021-11-01


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF , Funktionsmerkmale oder Einzelheiten von Leuchten oder Beleuchtungssystemen




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