| 摘要 |
PURPOSE: A road sign with changeable guidance indications is provided to change guidance indications according to the color change of light emitted from a light source. CONSTITUTION: A road sign with changeable guidance indications comprises a transparent plate, guidance indications(20a,20b), and a light source substrate. The transparent plate has guidance indication position portions and a light guide band. The guidance indications are fixed to the guidance indication position portions. The light guide band diffuses light emitted from light sources(32a,32b). The guidance indications are attached to the front surface of the transparent plate and have colors changeable according to the light emitted from the light sources. The light source substrate is attached to the top or bottom of the transparent plate and operates the LED light sources.
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