Provided is a head-up display apparatus(100)that is excellent in viewability when a display screen is viewed through a pair of polarized sunglasses, and is excellent in heat resistance. The head-up display apparatus(100)of the present invention includes: a display unit(10)configured to output projection light; at least one reflector(20)configured to reflect the projection light; a housing(30),which has an opening portion(32),and is configured to store the display unit(10)and the reflector(20)therein; a cover member(40)configured to cover the opening portion(32);andapolarizingplate(50)with a retardation layer, whichis arranged on a housing inner side of the cover member(40),and includes a retardation layer(52)and a polarizer(54)in the stated order from a cover member(40)side. The retardation layer(52)has an in-plane retardation Re(550) of 3,000 nm or more. The head-up display apparatus(100)of the present invention is configured so that an angle of reflection of the projection light output from the housing through the opening portion(32)with respect to a windshield is 30° or less, or is 40° or more.


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    Title :

    HEAD-UP DISPLAY APPARATUS


    Additional title:

    HEAD-UP-ANZEIGEVORRICHTUNG
    APPAREIL D'AFFICHAGE TÊTE HAUTE


    Contributors:

    Publication date :

    2021-06-23


    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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