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公开(公告)号:US20200166204A1
公开(公告)日:2020-05-28
申请号:US16699398
申请日:2019-11-29
发明人: Maojin Zeng , Qiyuan Wang , Liangliang Cao , Yongjun Bao , Wenchang Huang , Liping Lin , Yunnan Lin , Bin Liu , Huiwu Chen , Liu, Wei Liu, Wei
IPC分类号: F21V29/89 , F21V29/503 , F21V29/74 , F21V23/00 , F21K9/232
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.