公开(公告)号：US11002444B2

公开(公告)日：2021-05-11

申请号：US16699398

申请日：2019-11-29

申请人： XIAMEN ECO LIGHTING CO. LTD.

发明人： Maojin Zeng ,  Qiyuan Wang ,  Liangliang Cao ,  Yongjun Bao ,  Wenchang Huang ,  Liping Lin ,  Yunnan Lin ,  Bin Liu ,  Huiwu Chen ,  Liu Wei

IPC分类号： F21V29/74 ,  F21V29/89 ,  F21V29/503 ,  F21K9/232 ,  F21V23/00 ,  F21K9/237 ,  F21K9/235 ,  F21V29/15 ,  F21Y115/10 ,  H05B45/18

摘要： A light bulb apparatus has a bulb shell, LED modules, a light source plate, an inner tube and an outer cup. The light source plate has a substrate plate. The substrate plate and the inner tube are made of heat dissipation material like metal material. There is a pressing portion of a lateral side of the substrate plate pressing against an inner side of the inner tube part and there is a spacing portion of the lateral side of the substrate plate not engaging the inner side of the inner tube. The outer cup part has top part and a bottom part. The inner cup is placed inside the top part of the outer cup and pressing against the outer cup.