CPC F21S 4/15 (2016.01) [F21K 9/232 (2016.08); F21S 4/24 (2016.01); F21V 9/30 (2018.02)] | 14 Claims |
1. A light emitting device comprising:
a plurality of LED filaments, each filament comprising a flexible substrate and a plurality of LED light sources arranged on the flexible substrate, and
an encapsulation encapsulating the plurality of LED light sources and at least a part of one side of the flexible substrate,
wherein at least two LED filaments of said plurality of LED filaments comprises at least one knot in the form of intentional complication in cordage of the at least two LED filaments,
wherein the intentional complication in cordage is a fastening made by looping the at least two LED filaments together and tightening it, and
wherein at least two of the plurality of LED filaments are connected to one another or tied together by the at least one knot.
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