The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11147135 B1

Date of Patent:

Oct. 12, 2021

Filed:

May. 08, 2018

Lighting system that maintains melanopic lux levels at the eye regardless of distance to user

Applicant:

Signify Holding B.v., Eindhoven, NL;

Inventors:

Tobias Borra, Eindhoven, NL;

Lucas Josef Maria Schlangen, Eindhoven, NL;

Jan Souman, Eindhoven, NL;

Marcel Lucassen, Eindhoven, NL;

Assignee:

SIGNIFY HOLDING B.V., Eindhoven, NL;

Attorney:

Primary Examiner:

Monica C King

Int. Cl.

CPC ...

H05B 45/20 (2020.01); H05B 47/115 (2020.01); H05B 47/17 (2020.01); H05B 45/10 (2020.01); F21V 33/00 (2006.01);

U.S. Cl.

CPC ...

H05B 45/20 (2020.01); H05B 45/10 (2020.01); H05B 47/115 (2020.01); H05B 47/17 (2020.01); F21V 33/0052 (2013.01);

Abstract

The invention provides a lighting system () comprising:—a lighting device () configured to provide light ();—a sensor () configured to sense a user-related parameter selected from one or more of (a) a distance parameter (d) between the lighting device () and a user () and (b) an eye-activity parameter of the eye () of the user (); and—a control system () is configured to control one or more lighting properties selected from a spectral power distribution of the light () and a light intensity I of the light () as function of the user-related parameter.

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