FIELD: lighting.
SUBSTANCE: lighting device comprises at least one light emitting element configured to allow light to be emitted, a housing having an elongated hollow base portion and a light emission portion, wherein the elongated hollow core portion has a polygonal cross section, and the heat transfer structure element, formed from a folded sheet of a heat conducting material inserted into the housing and fixed inside the housing, while the heat transfer structure element includes the first section on which the light emitting element is located and which is configured to receive heat released from the given at least one light emitting element in the light emission, and the second section having an outer surface which, after fixing inside the housing, assumes a shape providing its adherence to the inner surface of the elongated hollow base housing portion, so that heat transfer of released heat to the housing is ensured.
EFFECT: improved heat transfer regulation.
14 cl, 4 dwg
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