An object is to contribute to increasing light extraction efficiency. An optical system 100 includes a light guide member 1 and a prism 3. The light guide member 1 has: an incident surface 10 on which light is incident; and a first surface 11 and a second surface 12 facing each other. The second surface 12 is a light emergent surface. The prism 3 is provided for the first surface 11 and reflects, toward the second surface 12, the light passing inside the light guide member 1. The light guide member 1 includes a direct optical path, along which the light that has entered the light guide member 1 through the incident surface 10 is directly reflected from the prism 3 and allowed to emerge from the second surface 12.


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    Title :

    OPTICAL SYSTEM, ILLUMINATION SYSTEM, DISPLAY SYSTEM, AND MOBILE BODY


    Additional title:

    OPTISCHES SYSTEM, BELEUCHTUNGSSYSTEM, ANZEIGESYSTEM UND MOBILER KÖRPER
    SYSTÈME OPTIQUE, SYSTÈME D'ÉCLAIRAGE, SYSTÈME D'AFFICHAGE ET CORPS MOBILE


    Contributors:

    Publication date :

    2022-06-22


    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 / F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES / G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING,... , Vorrichtungen oder Anordnungen, deren optische Arbeitsweise durch Änderung der optischen Eigenschaften des Mediums der Vorrichtungen oder Anordnungen geändert wird zum Steuern der Intensität, Farbe, Phase, Polarisation oder der Richtung von...



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