发明名称 LED TRAFFIC SIGNAL WITH SUN PHANTOM REDUCTION
摘要 An LED signal that mitigates the "sun phantom" effect includes a lens having an optical segment configured to direct at least some of the incoming generally collimated light rays from the sun passing through the lens away from an LED found in the traffic signal.
申请公布号 US2009237928(A1) 申请公布日期 2009.09.24
申请号 US20080053338 申请日期 2008.03.21
申请人 发明人 DUBUC EDEN
分类号 F21V5/00;F21V5/04 主分类号 F21V5/00
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