US 11,943,855 B2
Lighting systems and applications thereof
Rodney Heller, Cottage Grove, WI (US)
Assigned to MIDWEST LIGHTING INSTITUTE, INC., Cottage Grove, WI (US)
Filed by MIDWEST LIGHTING INSTITUTE, INC., Cottage Grove, WI (US)
Filed on Aug. 20, 2021, as Appl. No. 17/407,398.
Application 17/407,398 is a continuation of application No. 16/864,860, filed on May 1, 2020, granted, now 11,109,467.
Claims priority of provisional application 62/991,919, filed on Mar. 19, 2020.
Claims priority of provisional application 62/842,812, filed on May 3, 2019.
Prior Publication US 2021/0385929 A1, Dec. 9, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. H05B 47/16 (2020.01); A61M 21/00 (2006.01); A61M 21/02 (2006.01)
CPC H05B 47/16 (2020.01) [A61M 21/02 (2013.01); A61M 2021/0044 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A lighting system for use in a health care facility comprising:
a) a patient care zone comprising a plurality of tunable and/or non-tunable lighting components comprising a plurality of uplights and downlights over a patient bed, and a plurality of additional room lights, wherein said downlights and said additional room lights deliver an melanopic/photopic (M/P) ratio of less than 0.5 as measured at an illuminance of 75 lux on a vertical plane at eye level, and said uplights deliver an M/P ratio greater than said downlights and said additional room lights as measured at an illuminance of 75 lux on a vertical plane at eye level;
b) a non-patient care zone comprising a plurality of tunable and/or non-tunable lighting components; and
c) a controller configured to independently control the intensity, time, and spectrum of said patient care zone and said non-patient care zone.