公开(公告)号：US11251165B2

公开(公告)日：2022-02-15

申请号：US16675587

申请日：2019-11-06

Applicant: LEDVANCE GmbH

Inventor： Jing Lin ,  Junhao Yuan ,  Xiongqiang He ,  Shuting Chou

IPC: H01L25/075 ,  H01L33/62 ,  H01L33/52 ,  F21K9/232 ,  F21Y107/90 ,  F21Y113/13 ,  F21Y105/16 ,  F21Y115/10

Abstract: A light engine for a semiconductor lamp comprises a substrate and at least two groups of LED chips arranged on the substrate. The LED chips of a first group are adapted to emit light having a first color and the LED chips of a second group are adapted to emit light having a second color different from the first color