Abstract
本文研究并设计了一种新型发光道路交通标志——LED内照式主动发光标志。该标志采用LED阵列作为背光源，并透过正面镂空的铝制型材和棱镜型反光膜发光，最后粘贴显示字形的深色反光膜。该类标志亮度均匀、无眩光，能够起到主动显示交通信息的作用。 This paper studies and designs a new type of road traffic signs, which is called LED-Based Actively Luminous Traffic Signs. It uses a LED array as a back light source, and emits light through aluminum extruded sections whose front is hollow and prism-type reflective film. Finally, it will paste the dark reflective film to display font. The signs, with uniform brightness and no glare, can play an active role in the display of traffic information.
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