To improve efficiency of light extraction.SOLUTION: An optical system 100 comprises a light guide plate 1, an optical control body 2, and a prism 3. The light guide plate 1 has an incidence surface 10 that light is incident on, and a first surface 11 and a second surface 12 which face each other, and the second surface 12 is an emission surface for light. The optical control body 2 converges light traveling toward the incidence surface 10, and emits the converged light to the incidence surface 10. A prism 3 is provided on the first surface 11, and reflects light passing in the light guide plate 1 toward the second surface 12. The light guide plate 1 includes a direct optical path through which the light made incident from the incidence surface 10 is directly reflected by the prism 3 to be emitted 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。【解決手段】光学システム100は、導光板1と、光制御体2と、プリズム3と、を備える。導光板1は、光が入射する入射面10、及び互いに対向する第1面11及び第2面12を有し、第2面12が光の出射面である。光制御体2は、入射面10に向かう光を集光し、集光した光を入射面10に出射する。プリズム3は、第1面11に設けられて、導光板1の内部を通る光を第2面12に向けて反射する。導光板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を含む。【選択図】図1


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    Title :

    OPTICAL SYSTEM, LIGHTING 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 :

    2020-11-12


    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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