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The Smooth road light has unique triangle structure that can avoid the light flash drivers eyes, witch is the main reson of eyestrain. And it also has solar panel on the top that can save more energy then normal road light. The both sides of it are LED. They can be used as normal bulb or information board when some accidents happend.
National Yunlin University of Science & Technology
Yi-Wen Liao Pei-Ju Lin