A mirror unit includes a concave mirror having a mirror surface reflecting light, and a holder holding the concave mirror. The concave mirror includes first to third positioning protruding portions. The holder includes: a first holder-side positioning portion defining, through contact with the first positioning protruding portion, the position of the concave mirror with respect to the holder at least in the X direction of XY-plane coordinates along the mirror surface; a second holder-side positioning portion defining, through contact with the second positioning protruding portion, the position of the concave mirror with respect to the holder at least in the Y direction of the XY-plane coordinates; and a third holder-side positioning portion defining, through contact with the third positioning protruding portion, the position of the concave mirror with respect to the holder at least in the Z direction orthogonal to the XY lane.


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    Title :

    Mirror unit and display device


    Contributors:

    Publication date :

    2020-04-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    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



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