PROBLEM TO BE SOLVED: To provide an optical deflector that can achieve high-quality optical scanning performance, while reducing peeling of a reflection film and breakage of torsion bars.SOLUTION: An optical deflector 13 comprises: a mirror part 101 that includes a reflection member 14 reflecting light and can be displaced around an axis O1; a pair of torsion bars 111a, 111b that is connected to the mirror part 101 at one end to support the mirror part 101; a pair of drive beams 112a, 112b that is connected to the other end of the torsion bars 111a, 111b to displaceably support the torsion bars 111a, 111b; and a support frame 120 to which the drive beams 112a, 112b are connected. The reflection member 14 includes a body part 14c, and projections 14a, 14b that are formed projecting from the body part 14c in the direction of the axis O1.SELECTED DRAWING: Figure 18

    【課題】反射膜の剥がれやトーションバーの破断を抑制しつつ、高品質の光走査性能を実現することが可能な光偏向器を提供する。【解決手段】光を反射する反射部材14を有し軸線O1周りに変位可能なミラー部101と、一端がミラー部101と接続しミラー部101を支持する一対のトーションバー111a,111bと、トーションバー111a,111bの他端と接続しトーションバー111a,111bを変位可能に支持する一対の駆動梁112a,112bと、各駆動梁112a,112bが接続する支持枠120とを有し、反射部材14は本体部14cと本体部14cから軸線O1方向に突出形成された突出部14a,14bとを有することを特徴とする光偏向器13。【選択図】図18


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    Titel :

    LIGHT DEFLECTOR AND OPTICAL SCANNER AND IMAGE PROJECTION DEVICE AND OBJECT RECOGNITION DEVICE


    Weitere Titelangaben:

    光偏向器及び光走査装置及び画像投影装置及び物体認識装置


    Beteiligte:
    SHINKAWA MIZUKI (Autor:in) / SETO MASAMI (Autor:in)

    Erscheinungsdatum :

    2018-08-30


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B81B Mikrostrukturbauelemente oder -systeme, z.B. mikromechanische Bauelemente , MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES / H04N PICTORIAL COMMUNICATION, e.g. TELEVISION , Bildübertragung, z.B. Fernsehen



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