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.:
Date of Patent:
Apr. 23, 2013
Filed:
Jan. 13, 2009
Lucas Josef Maria Schlangen, Eindhoven, NL;
Lucius Theodorus Vinkenvleugel, Eindhoven, NL;
Vanja Hommes, Eindhoven, NL;
Lucas Josef Maria Schlangen, Eindhoven, NL;
Lucius Theodorus Vinkenvleugel, Eindhoven, NL;
Vanja Hommes, Eindhoven, NL;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
The invention provides a lighting device () comprising one or more light sources () arranged to generate light, an accommodating device () having an external boundary () which is at least partly translucent and is arranged to accommodate the one or more light sources and a controller (). The lighting device can generate two types of light. One or more lighting parameters selected from the group consisting of the first luminous intensity of the first type of light, the second luminous intensity of the second type of light, the color point of the first type of light and the color point of the second type of light can be controlled. This allows task lighting and atmosphere lighting. The invention is also directed to a method of providing a wake-up stimulus by means of such a lighting device.