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:
Jun. 18, 2024
Filed:
Sep. 16, 2021
Signify Holding B.v., Eindhoven, NL;
Johannes Petrus Maria Ansems, Eindhoven, NL;
Stephan Certain, Eindhoven, NL;
Michel Cornelis Josephus Maria Vissenberg, Eindhoven, NL;
Olexandr Valentynovych Vdovin, Eindhoven, NL;
Joris Jan Vrehen, Eindhoven, NL;
SIGNIFY HOLDING, B.V., Eindhoven, NL;
Abstract
A lighting device () is provided. The lighting device () comprises a light-transmissive enclosure () and alight source (). The light-transmissive enclosure () has an outer surface () and an inner surface () opposite to the outer surface (). The inner surface () at least in part forming a cavity (). The light-transmissive enclosure () has an opening () lying in a transverse plane (P). The light source () is arranged on the transverse plane (P), or on a side of the transverse plane (P) opposite of the light-transmissive enclosure (), and configured to emit light into the cavity (). The light-transmissive enclosure () is arranged around a longitudinal axis (L), the longitudinal axis (L) lying in a longitudinal plane that is perpendicular to the transverse plane (P). The light-transmissive enclosure () has a first part () and a second part () separated from each other by the longitudinal plane (P). The first part () is shaped as a first parabolic segment or a first elliptical segment having a first focal point () that is located on the transverse plane (P). The second part () is shaped as a second parabolic segment or a second elliptical segment having a second focal point () that is located on the transverse plane (P). The light source () is arranged between the first focal point () and the second focal point ().