国家/地区 中国（2）
IPC部
IPC大类
IPC小类
IPC
发明人 XIAO L（2）
公开年
申请年 2020（2）
专利权人 XIAO L（2）

Light buoyancy demonstration teaching structure, has vacuum pipe body whose outer wall is provided with scale, and bottom plate provided with LED lamp that is connected in opposite to bottom portion of vacuum pipe body.

XIAO L

Graphene composite photon diode light source for use in e.g. biological energy field,, has insulating base for integrating package, and LED chip mounted on negative electrode, where graphene film is paved on inner wall of insulating base.

XIAO L