公开(公告)号：US20240168216A1

公开(公告)日：2024-05-23

申请号：US18200021

申请日：2023-05-22

Applicant: KORTEK CORPORATION

Inventor： Joong Won LEE ,  Ho Jun KWAK ,  Hyun Woo LEE ,  Tae Jung YOON ,  Chan Hwan KIM

IPC: F21V8/00

CPC classification number: G02B6/0045 ,  G02B6/0031 ,  G02B6/0073

Abstract: A button lighting module is provided including: a light guide plate which has a button through-hole formed in a thickness direction to allow a button device configured to input a command to pass therethrough and has a light refractor provided around the button through-hole to refract a light path upward; and a light source which is configured to radiate light so that the light is incident on the light guide plate through an outer peripheral side surface of the light guide plate.