US 11,927,331 B2
Lighting apparatus having a flexible planar lighting element
Goetz Schmidt Zur Nedden, Hamburg (DE); Laura Schmidt Zur Nedden, Hamburg (DE); Niklas Bastian, Hamburg (DE); Sebastian Chrost, Ahrensburg (DE); and Daniela Meyer, Hamburg (DE)
Assigned to CARPETLIGHT GMBH, Hamburg (DE)
Filed by CARPETLIGHT GMBH, Hamburg (DE)
Filed on Dec. 21, 2022, as Appl. No. 18/085,782.
Application 18/085,782 is a continuation of application No. PCT/EP2021/067465, filed on Jun. 25, 2021.
Claims priority of application No. 102020116917.5 (DE), filed on Jun. 26, 2020.
Prior Publication US 2023/0141644 A1, May 11, 2023
Int. Cl. F21V 21/32 (2006.01); F21V 15/01 (2006.01); F21V 17/12 (2006.01); F21V 19/00 (2006.01); F21V 23/00 (2015.01); F21Y 105/16 (2016.01); F21Y 107/70 (2016.01); F21Y 115/10 (2016.01)
CPC F21V 21/32 (2013.01) [F21V 15/01 (2013.01); F21V 17/12 (2013.01); F21V 19/0025 (2013.01); F21V 23/007 (2013.01); F21Y 2105/16 (2016.08); F21Y 2107/70 (2016.08); F21Y 2115/10 (2016.08)] 20 Claims
OG exemplary drawing
 
1. A lighting apparatus comprising:
a flexible planar light source comprising a plurality of illuminants distributed over a surface of a planar carrier material, the carrier material comprises a flexible planar circuit carrier fitted with the plurality of illuminants on a front side, the illuminants being interconnected by electrical lines formed in or on the circuit carrier, and
a controller configured to supply power to the plurality of illuminants and control the plurality of illuminants,
wherein the controller comprises a housing disposed on an edge of the planar light source and is mechanically connected to the planar light source, an edge of the planar light source being partly accommodated in the housing,
the housing comprising electrical and electronic components and lines connected to the electrical lines of the planar light source; and
a strain relief is configured to absorb tensile stresses between the housing and the planar light source to keep the tensile stresses away from electrical connections between the controller and the planar light source;
wherein electrical lines between the controller and the plurality of illuminants are configured to have an interruption with a contacting, which is disposed in a region of the strain relief; and
the contacting is configured as one of a spring pin contacting with spring pins and opposing contact surfaces, which are contacted and secured by fastening of the strain relief, or as a pin strip with contact pins, which is accommodated in corresponding contact pin receptacles.