Luminous road traffic sign board with LED panel

Abstract

The invention discloses a luminous road traffic sign board with an LED panel, comprising a bottom plate. The luminous road traffic sign board with the LED panel is characterized in that an organic light guide plate is arranged at the front end of the bottom plate; a panel is arranged at the front end of the organic light guide plate; a road traffic sign indication film is arranged on the panel; the bottom plate, the organic light guide plate, the panel and the periphery of the road traffic sign indication film are provided with a peripheral protection layer; and a plurality of LED light sources are arranged on the inner wall of the peripheral protection layer facing to the organic light guide plate. The invention has the advantages of obvious luminous effect, lower manufacture cost, low energy consumption and no dazzling phenomenon under a condition of poor external light ray, and the road traffic sign board can realize the function of indicating the road traffic and carry out luminescence indication by using the LED when the LED light sources are switched off.

Description

Technical field [0001] The invention relates to a road traffic sign, in particular to a road traffic sign using LEDs for luminous indication. Background technique [0002] Road traffic signs use graphic symbols, colors and texts to convey specific information to traffic participants, and are used to manage traffic. They include warning signs, prohibition signs, indicator signs, road signs, tourist area signs, and road construction safety signs And auxiliary signs are generally manufactured into road traffic signs or facilities for use. [0003] At present, most of the road traffic signs used in traffic management use reflective film or paint reflective method or LED point light technology. Among them, the use of reflective film or paint reflective method of road traffic sign, the road traffic sign pattern is used to warn by reflective method, because it can not emit light, can only passively reflect external light, if the external light is very poor Under conditions such as foggy...

AI Technical Summary

Problems solved by technology

Among them, the road traffic signs using reflective film or paint reflective method, the road traffic sign pattern is warned by reflective method, because it cannot emit light itself, it can only passively reflect the external light, if the external light is poor For example, in foggy days or when the light is very dark at night, the reflection effect is very poor, so the visual distance is not far, and the purpose of prompting traffic signs cannot be achieved, and the use effect is not ideal, leaving a traffic safety hazard; another A kind of road traffic sign board adopting LED point light-emitting technology, although it can emit light by itself, because it is covered with LED light sources on the surface of the road traffic sign board, and the pattern of the road traffic sign is displayed by the LED light source, not only the production cost is relatively high In addition, when the driver looks at the road traffic signs using LED dot light-emitting technology, the driver's eyes will look directly at the LED light source, which is likely to cause glare, which will affect the driver's visibility. , leaving traffic safety hazards; when the LED light source is powered off, the pattern of road traffic signs cannot be displayed

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