US Patent No. 10,436,393

LIGHTING DEVICE AND LUMINAIRE COMPRISING THE SAME


Patent No. 10,436,393
Issue Date October 08, 2019
Title Lighting Device And Luminaire Comprising The Same
Inventorship Lin Wang, Eindhoven (NL)
Guyuan Chen, Eindhoven (NL)
Aibin Zou, Eindhoven (NL)
Jingxu Zhou, Eindhoven (NL)
Haoran Zhang, Eindhoven (NL)
Xiuru Wang, Eindhoven (NL)
Assignee SIGNIFY HOLDING B.V., Eindhoven (NL)

Claim of US Patent No. 10,436,393

1. A lighting device comprising:a mounting surface;
a lens comprising a lens body having an inner surface encapsulating a cavity and delimiting an entrance to said cavity, said entrance facing the mounting surface, the inner surface comprising a plurality of adjoining surface sections each defining a segment of the cavity, wherein each segment has a narrowing region distal to the entrance delimited by a curved portion of the surface section delimiting said segment; and
an elongate carrier extending from the mounting surface into the cavity segments through the cavity entrance and comprising a plurality of solid state lighting elements configured to emit light towards the lens body;
wherein the cavity comprises an elongate cross-section parallel to the cavity entrance.