【摘要】 反光发光复合标牌，不仅能将光源方向的入射光线回归反射向光源方向，具有反光特性．还能将光源中大量的红外光转换成可见光，具有发光特性．从而使标牌的亮度和可视距离得到提高．更多还原

【Abstract】 The reflect - light - luminescent compound type sign board not only can reflect t the incident light from the direction of the light source, having a reflecting characteristic, but the invisible light-infrared ray emitted by the light source can also be converted to a visible light, having luminescent characteristic,thus it increases the brilliance and visible distance of a sign board.更多还原