作者: Tong Fatt Chew
DOI:
关键词:
摘要: The invention provides a signal lamp utilizing clustered light emitting devices and method of making the same. that includes housing having an opening including substrate located opposite opening, lens disposed within plurality clusters with each comprising devices. are on to illuminate respective cluster illumination areas lens. Each has circumference center. intersects center at least one other areas. An optical cover can be over opening.