A light radiation emitting device comprising: - at least one LED-type device capable of generating a light radiation in a predefined wavelength range and comprising at least two electrical contact pads (30, 31); - a support delimited by opposite first and second sides (10, 11) defining together a thickness of the support, said support supporting at least said LED-type device and at least one electrically-conductive track; - the electric track is formed of conductive wires, all or part of the conductive wires having at least one contact portion exposed towards at least one of the first and second sides of the support; - each of the contact pads (30, 31) of the LED-type device is positioned opposite a contact portion of one of the conductive wires and is electrically connected to said contact portion; characterized in that: - the LED-type device is formed of a substrate comprising at least one reception structure and at least one pair of connection structures (321, 322), the reception structure receiving at least one LED chip or module, each connection structure being formed of at least a first portion forming one block with a second portion, said first portion being electrically coupled to one of the electrodes of the LED chip or module, and the second portion forming one of said contact pads connected to one of the contact portions of one of the conductive wires of the conductive track; - each conductive wire is embedded within the thickness of the support from an embedment surface formed by the first or the second side of the support; - the contact portions of each conductive wire are available to be electrically connected. - at least one LED-type device capable of generating a light radiation in a predefined wavelength range and comprising at least two electrical contact pads (30, 31); - a support delimited by opposite first and second sides (10, 11) defining together a thickness of the support, said support supporting at least said LED-type device and at least one electrically-conductive track; - the electric track is formed of conductive wires, all or part of the conductive wires having at least one contact portion exposed towards at least one of the first and second sides of the support; - each of the contact pads (30, 31) of the LED-type device is positioned opposite a contact portion of one of the conductive wires and is electrically connected to said contact portion; - the LED-type device is formed of a substrate comprising at least one reception structure and at least one pair of connection structures (321, 322), the reception structure receiving at least one LED chip or module, each connection structure being formed of at least a first portion forming one block with a second portion, said first portion being electrically coupled to one of the electrodes of the LED chip or module, and the second portion forming one of said contact pads connected to one of the contact portions of one of the conductive wires of the conductive track; - each conductive wire is embedded within the thickness of the support from an embedment surface formed by the first or the second side of the support; - the contact portions of each conductive wire are available to be electrically connected.