公开(公告)号：WO2022042431A2

公开(公告)日：2022-03-03

申请号：PCT/CN2021/113684

申请日：2021-08-20

Applicant: JIAXING SUPER LIGHTING ELECTRIC APPLIANCE CO., LTD

Inventor： XIONG, Aiming ,  ZHOU, Lin ,  WANG, Mingbin ,  CHEN, Zhenkun ,  YU, Zhishan ,  JIANG, Tao ,  LI, Yuexing ,  UNAGIIKE, Hayato ,  SAITO, Yukihiro ,  ZHANG, Zhichao

IPC: H01L25/075 ,  H01L33/50 ,  F21K9/232 ,  F21K9/235 ,  F21K9/237 ,  F21K9/64 ,  F21V29/503 ,  F21V29/70 ,  F21Y2115/10 ,  H01L25/0753 ,  H01L33/505

Abstract: This application relates to the field of lighting, and discloses an LED filament including: at least one LED section, each LED section including at least two LED chips, adjacent LED chips being electrically connected to each other; electrodes, electrically connected to the LED section; and a light conversion layer, wrapping the LED section and parts of the electrodes, and including a top layer and a carrying layer, the carrying layer including a base layer and a transparent layer, the base layer including an upper surface and a lower surface opposite to each other, the upper surface of the base layer being in contact with a part of the top layer, and a part of the lower surface of the base layer being in contact with the transparent layer. This application has the characteristics of uniform light emission and good heat dissipation effect.