To provide an optical system, an illuminating system, a display system, and a moving body that can improve extraction efficiency of light.SOLUTION: A light guide member 1 comprises an incident surface 10 on which light is incident, and a first surface 11 and a second surface 12 opposed to each other. In the light guide member 1, the second surface 12 is an emitting surface for the light. A prism 3 is provided in the first surface 11, and reflects the light passing through the inside of the light guide member 1, toward the second surface 12. The light guide member 1 includes a direct light path L1 for allowing the light incident from the incident surface 10 to be directly reflected by the prism 3 and emitted from the second surface 12. At least one of the first surface 11 and the second surface 12 comprises a light distribution part for controlling light distribution of the light extracted from the second surface 12.SELECTED DRAWING: Figure 1

    【課題】光の取り出し効率の向上を図ることのできる光学システム、照明システム、表示システム及び移動体を提供する。【解決手段】導光部材1は、光が入射する入射面10、並びに互いに対向する第1面11及び第2面12を有する。導光部材1は、第2面12が光の出射面である。プリズム3は、第1面11に設けられて、導光部材1の内部を通る光を第2面12に向けて反射する。導光部材1は、入射面10から入射した光をプリズム3にて直接反射して第2面12から出射させるダイレクト光路L1を含む。第1面11と第2面12との少なくとも一方は、第2面12から取り出される光の配光を制御する配光制御部を有している。【選択図】図1


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    Title :

    OPTICAL SYSTEM, ILLUMINATING SYSTEM, DISPLAY SYSTEM, AND MOVING BODY


    Additional title:

    光学システム、照明システム、表示システム及び移動体


    Contributors:

    Publication date :

    2021-02-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES / 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 / 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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