US 12,000,563 B2
Lighting system and artificial window
Martinus Hermanus Wilhelmus Maria Van Delden, Venlo (NL)
Assigned to SIGNIFY HOLDING B.V., Eindhoven (NL)
Appl. No. 17/641,711
Filed by SIGNIFY HOLDING B.V., Eindhoven (NL)
PCT Filed Sep. 10, 2020, PCT No. PCT/EP2020/075335
§ 371(c)(1), (2) Date Mar. 9, 2022,
PCT Pub. No. WO2021/052858, PCT Pub. Date Mar. 25, 2021.
Claims priority of application No. 19197651 (EP), filed on Sep. 17, 2019.
Prior Publication US 2022/0341552 A1, Oct. 27, 2022
Int. Cl. F21S 8/02 (2006.01); F21S 8/04 (2006.01); F21V 5/04 (2006.01); F21V 21/04 (2006.01); H05B 45/28 (2020.01); F21Y 115/10 (2016.01)
CPC F21S 8/024 (2013.01) [F21S 8/04 (2013.01); F21V 5/045 (2013.01); F21V 21/041 (2013.01); H05B 45/28 (2020.01); F21Y 2115/10 (2016.08)] 15 Claims
OG exemplary drawing
 
1. A lighting system comprising:
a light area extending transverse to a main, axial direction, and
a side wall extending downstream from the light area, defining a recess with a cross section (Ra),
wherein the light area is located at a base of the recess and a light exit window is located downstream at a top of the recess opposite the light area,
wherein the side wall comprises a first wall portion and a second wall portion located upstream of the first wall portion, and
wherein a transparent pane is provided in between the first and second wall portion, and
wherein essentially the whole second wall portion is screened by the first wall portion from all direct lines of view through the light exit window.