发明名称 LED PACKAGE WITH A FRESNEL LENS
摘要 A LED package with a Fresnel lens includes a base, a LED chip, a surrounding body and a lens. The lens is a Fresnel lens which refracts the beam of light from the LED chip to one definite direction for spotlighting the emitting light in a certain orientation.
申请公布号 US2013026515(A1) 申请公布日期 2013.01.31
申请号 US201113192471 申请日期 2011.07.28
申请人 CHEN CHAO-CHUAN 发明人 CHEN CHAO-CHUAN
分类号 H01L33/58 主分类号 H01L33/58
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