PROBLEM TO BE SOLVED: To provide a translucent screen that allows for suppressing reduction of brightness in the image periphery and reducing the number of parts.SOLUTION: A translucent screen 50 of the present invention includes a first principal surface 51 extending in a first direction and a second direction perpendicular to the first direction, and a second principal surface 52 opposing the first principal surface 51 and extending in the first direction and the second direction. The first principal surface 51 is provided with a microlens array 57 comprising a plurality of unit microlenses 55, and the second principal surface 52 is provided with a convex lens structure 60.SELECTED DRAWING: Figure 4

    【課題】画像周辺部の輝度低下を抑制することが可能で、部品点数を減らすことができる透過型スクリーンを提供する。【解決手段】本発明の透過型スクリーン50は、第1方向と、前記第1方向と直交する第2方向に広がる第1主面51と、前記第1主面51と対向すると共に、前記第1方向と、前記第2方向に広がる第2主面52と、を有し、前記第1主面51には、複数の単位マイクロレンズ55からなるマイクロレンズアレイ57が設けられ、前記第2主面52には、凸レンズ構造部60が設けられることを特徴とする。【選択図】 図4


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    Title :

    TRANSLUCENT SCREEN AND HEAD-UP DISPLAY DEVICE USING THE SAME


    Additional title:

    透過型スクリーン及びそれを用いたヘッドアップディスプレイ装置


    Contributors:

    Publication date :

    2016-04-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM , Geräte oder Anordnungen zum Aufnehmen, Projizieren oder Betrachten von Fotografien / 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 / G09F DISPLAYING , Anzeigewesen



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