To provide a road information display device that improves visibility from below without increasing the number of LEDs used or requiring a complicated structure.SOLUTION: A road information display device 10 has a display panel 12, in which LEDs 1 are arranged in a matrix, which displays road information to a viewer viewing from below the display panel 12 by controlling the lighting of the LEDs 1. The LEDs 1 are downwardly directed. In addition, no special structure is required for mounting the LEDs 1.SELECTED DRAWING: Figure 1

    【課題】使用するLEDの数の増加や、複雑な構造を必要とすることなく、下方からの視認性を向上させるようにした道路情報表示装置を提供する。【解決手段】LED1をマトリックス状に配置した表示板12を有し、表示板12よりも下方から視認する視認者に対して、LED1を点灯制御して道路情報を表示する道路情報表示装置10であって、LED1が下向きの指向性を有する。また、LED1の取り付けについて特別な構造を必要としない。【選択図】図1


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    Title :

    ROAD INFORMATION DISPLAY DEVICE


    Additional title:

    道路情報表示装置


    Contributors:

    Publication date :

    2020-09-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    E01F ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE , Zusätzliche Baumaßnahmen, wie die Ausstattung von Straßen oder die bauliche Ausbildung von Bahnsteigen, Landeplätzen für Hubschrauber, Wegweisern, Schneezäunen oder dgl. / F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / G09F DISPLAYING , Anzeigewesen / H01L Halbleiterbauelemente , SEMICONDUCTOR DEVICES



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