To provide a light emitting device which can prevent generation of heat damage due to outside light without compromising a light emission function.SOLUTION: A light emitting device (20) includes: a light source (24); an optical member (27) for transmitting or reflecting light emitted from the light source (24) to enlarge the light and radiating the light to the outside; and an optical isolator (70) for transmitting light and also preventing outside light from the outside from entering the light source (24).SELECTED DRAWING: Figure 2

    【課題】光出射機能を低下させることなく外光による熱害の発生を防止することが可能な光出射装置を提供する。【解決手段】光出射装置(20)は、光源(24)と、光源(24)から出射された光を透過又は反射させることにより光を拡大して外部へ照射させる光学部材(27)と、光を透過可能である一方で、外部からの外光が光源(24)へ入射することを防止可能な光アイソレータ(70)と、を備えている。【選択図】図2


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    Title :

    LIGHT EMITTING DEVICE, HEAD-UP DISPLAY, VEHICLE LAMP, AND PROJECTOR


    Additional title:

    光出射装置、ヘッドアップディスプレイ、車両用灯具、及びプロジェクタ


    Contributors:

    Publication date :

    2024-08-22


    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 / G09F DISPLAYING , Anzeigewesen



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