公开(公告)号：US20240200768A1

公开(公告)日：2024-06-20

申请号：US18287210

申请日：2022-03-08

Applicant: KOWA COMPANY, LTD.

Inventor： Kentaro KANEKO ,  Takayuki FUJIOKA

IPC: F21V31/00 ,  F21V17/12 ,  F21V17/16 ,  F21Y105/18 ,  F21Y115/10

CPC classification number: F21V31/005 ,  F21V17/12 ,  F21V17/16 ,  F21Y2105/18 ,  F21Y2115/10

Abstract: Ring-type lighting device of the present invention comprises: a case member having an annular shape and comprising an inner wall portion and an outer wall portion, the inner wall portion defining a hollow portion at a center, the outer wall portion defining an opening portion that has an annular shape and surrounds the hollow portion; one or more LED members provided to face an opening of the opening portion; and a cover member that has an annular shape and is provided between the opening and the LED members to close the opening portion. Such a ring-type lighting device is easy to assemble and is reduced in size while having waterproof properties.