公开(公告)号：US20180363893A1

公开(公告)日：2018-12-20

申请号：US16062213

申请日：2016-12-21

Applicant: SABIC Global Technologies B.V.

Inventor： Yingjun CHENG ,  Guangde HUANG ,  Ke JIANG ,  Jian YANG ,  Fei SHEN

IPC: F21V29/87 ,  F21V29/83 ,  F21V29/74 ,  F21K9/232

Abstract: An illumination device, comprising: a polymeric heat sink having a protrusion extending outward from the polymeric heat sink; a first printed circuit board having at least first and second surfaces opposing one another and being separated by a thickness of the printed circuit board, the first surface of the first printed circuit board supporting at least two light emitting diodes, the second surface of the first printed circuit board conforming to and being thermally coupled to the protrusion of the polymeric heat sink; a radiation-transmissive enclosure configured to at least partially enclose the first printed circuit board and the at least two light emitting diodes; a conductive path placing a light emitting diode into electrical communication with the environment exterior to the device.