Title:
AMBIENT LIGHTING TO IMPROVE SLEEP DISTURBANCES, COGNITIVE AND/OR NEUROLOGICAL DEFICITS
Document Type and Number:
Japanese Patent JP2022151862
Kind Code:
A
Abstract:
To provide a system and a method for providing ambient lighting that improves sleep quality, circadian rhythm, cognitive function, neurological disorders, depression, emotional states, heart rate variability, sympathetic and/or parasympathetic activity.SOLUTION: A lighting system for use in an ambient environment includes a light emitting device 11, and a controller coupled to the light emitting device. The light emitting device is configured to provide light that impinges on a subject in the ambient environment. The controller is configured to control the lighting device. The light provided by the light emitting device has at least 30% green light. A line extending from the light emitting device to the subject and a plane at the subject's eye level in the ambient environment form an angle of approximately 45 degrees. The light has a horizontal illuminance of about 2200 lux to about 2800 lux.SELECTED DRAWING: Figure 2
Inventors:
LIOU YIING-MEI
Application Number:
JP2022050509A
Publication Date:
October 07, 2022
Filing Date:
March 25, 2022
Export Citation:
Assignee:
NAT YANG MING CHIAO TUNG UNIV
International Classes:
H05B45/24; A61N5/06; H05B45/14; H05B47/105; H05B47/155; H05B47/19
Attorney, Agent or Firm:
Ebisu International Patent Office, a patent business corporation