国家/地区 韩国（2）
IPC部 C（2）
IPC大类 C09（2）
IPC小类 C09D（2）
IPC C09D007/61（2）
发明人
公开年
申请年 2020（2）
专利权人

LED heat dissipation lighting light surface treatment composition useful for street lamp case comprises heat dissipation unit made of aluminum which is formed in multiple body portion and radiates heat generated from lighting module.

WOO L, UK L D

Double light distribution structure explosion-proof lamp for lighting system, comprises e.g. second light distribution unit located on inner periphery, relatively more protruding than first light distribution unit located on outer periphery.

KIM D S