Provided is a half mirror which is used for a windshield constituting a head up display, and in which a feeling of glare is suppressed, and a boundary between a region which selectively reflects visible light and a region which reflects visible light is made inconspicuous. The half mirror has a reflection layer including a non-reflection region which does not reflect visible light, a reflection region which selectively reflects visible light, and a mixed region which is provided between the regions and in which a non-reflection portion which does not reflect visible light and a reflection portion which selectively reflects visible light are mixed, and in the mixed region, an area of the reflection portion is gradually increased from the non-reflection region toward the reflection region.


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    Title :

    Half mirror


    Contributors:

    Publication date :

    2022-09-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS



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