US 12,292,166 B2
Lighting system
Hiroshi Kitano, Hyogo (JP); Takanori Aketa, Osaka (JP); Taisuke Nishimori, Osaka (JP); and Kenichiro Tanaka, Osaka (JP)
Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
Appl. No. 18/252,673
Filed by Panasonic Intellectual Property Management Co., Ltd., Osaka (JP)
PCT Filed Oct. 14, 2021, PCT No. PCT/JP2021/038141
§ 371(c)(1), (2) Date May 11, 2023,
PCT Pub. No. WO2022/118542, PCT Pub. Date Jun. 9, 2022.
Claims priority of application No. 2020-202313 (JP), filed on Dec. 4, 2020.
Prior Publication US 2024/0011606 A1, Jan. 11, 2024
Int. Cl. F21K 9/64 (2016.01); F21V 1/04 (2006.01); F21V 33/00 (2006.01); F21Y 113/10 (2016.01); F21Y 115/30 (2016.01)
CPC F21K 9/64 (2016.08) [F21V 1/04 (2013.01); F21V 33/006 (2013.01); F21V 2200/17 (2015.01); F21Y 2115/30 (2016.08)] 9 Claims
OG exemplary drawing
 
1. A lighting system comprising:
a light source unit including a laser light source; and
a light-distributing member having a function of reflecting incident light that has been emitted as a beam of light from the light source unit toward a target space in a facility, the light-distributing member being configured to transform the incident light into lighting light having a different light distribution property from the incident light and distribute the lighting light over the target space,
wherein the light-distributing member is a building component that forms part of a structure facing the target space,
the building component is a ceiling member, the building component has a shape of a panel,
the light source unit is disposed distant from the building component,
the incident light passes through the target space to be incident on a lower surface, facing the target space, of the building component, and
the building component is a decorative plywood board or a decorative board.