PROBLEM TO BE SOLVED: To provide a reflective mirror unit for head-up display devices, which allows a reflective mirror to be held steadily even in the presence of thermal deformation.SOLUTION: A reflective mirror unit for head-up display devices comprises a concave mirror 31 consisting of a tabular base material with a reflective surface, a holder 32 for rotatably holding the concave mirror 31, and adhesive members 34 for fixing the concave mirror 31 onto the holder 32. The holder 32 has a plurality of convex base sections 32c that are formed at a distance from each other to mount the adhesive members 34. The base sections 32c have counter surfaces facing the concave mirror 31 and are formed such that the counter surfaces of those located on the inner side have larger area than those located on the outer side.SELECTED DRAWING: Figure 5

    【課題】 熱変形が生じた場合であっても、反射ミラーの保持状態を維持できるヘッドアップディスプレイ装置の反射ミラーユニットを提供する。【解決手段】 ヘッドアップディスプレイ装置の反射ミラーユニットにおいて、板状の基材に反射面を有する凹面鏡31と、この凹面鏡31を回動可能に保持するホルダ32と、凹面鏡31をホルダ32に固定する接着部材34と、を備え、ホルダ32には、接着部材34を載置する凸状の台部32cを、複数離間して設け、台部32cは、凹面鏡31の対向面において、外側の対向面よりも内側の対向面が大きな面積となるように形成される。【選択図】図5


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    Title :

    MIRROR UNIT FOR HEAD-UP DISPLAY DEVICES


    Additional title:

    ヘッドアップディスプレイ装置のミラーユニット


    Contributors:

    Publication date :

    2018-04-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    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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