The present invention relates to a road traffic sign which emits light by using an LED and, more specifically, to an internal illumination type road traffic sign in which a plurality of LED lamps are installed, which maintains an overall illuminance uniformly without partial blurring even if a part of the LEDs breaks down. The road traffic sign comprises a housing, a light emitting element, a reflection sheet, a reverse reflection sheet, an ultra-bright reflective paper, and an EC film.

    본 발명은 LED를 이용하여 발광이 이루어지는 도로교통표지판에 관한 것으로, 더욱 상세하게는 다수의 LED 램프가 내장되는 내부 조명식 도로교통표지판에서 일부의 LED가 고장이 발생하더라도 부분적 흐림 현상이 발생하지 않고 전체 휘도를 고르게 유지할 수 있도록 한 도로교통 표지판에 관한 것이다.


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    Titel :

    .Interior lighting road traffic signs that do not cause luminance variations


    Weitere Titelangaben:

    휘도편차가 발생하지 않는 내부 조명식 도로교통 표지판.


    Beteiligte:
    KIM SEON MIN (Autor:in)

    Erscheinungsdatum :

    16.03.2022


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    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. / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / G09F DISPLAYING , Anzeigewesen




    Lighting of traffic signs

    Internationale Beleuchtungskommission | TIBKAT | 1978



    Traffic Sign Luminance Requirements of Nighttime Drivers for Symbolic Signs

    Schnell, Thomas / Aktan, Fuat / Li, Changbao | Transportation Research Record | 2004


    LOW LUMINANCE LIGHTING

    SNYDER JEREMY DAVID / BULLOUGH JOHN DONOVAN / BESENECKER UTE CHRISTA | Europäisches Patentamt | 2015

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