| 摘要 |
The present invention relates to a retroreflection sign with phosphorescent function, which is to transmit a guidance sign since a phosphorescent dot, which is printed or attached by being formed on a dot shape on the guidance sign according to the shape and the size of the guidance sign, emits light in night. The retroreflection sign maintains a design of the guidance sign in daytime and emits the light of the phosphorescent dot in the night by storing sunlight in the daytime. The retroreflection sign can prevent an accident and a traffic accident in advance at low costs with an excellent function by maintaining an existing retroreflection function by using indirect illumination. |
