Example embodiments relate to luminaire heads with improved heatsinks. One embodiment includes an assembly, such as a luminaire head. The assembly includes a housing and an electrical component, such as a light source, arranged in the housing. The housing has a first side and an optional second side opposite the first side. At least the first side is provided with a heatsink portion having an outer surface provided with multiple heatsink elements protruding outwardly out of the outer surface. A heatsink element thereof has a base and a top. The heatsink element gradually widens from the top to the base.

Example embodiments relate to luminaire heads with improved heatsinks. One embodiment includes an assembly, such as a luminaire head. The assembly includes a housing and an electrical component, such as a light source, arranged in the housing. The housing has a first side and an optional second side opposite the first side. At least the first side is provided with a heatsink portion having an outer surface provided with multiple heatsink elements protruding outwardly out of the outer surface. A heatsink element thereof has a base and a top. The heatsink element gradually widens from the top to the base.

The invention provides a lighting device comprising a light source and a heat sink (200). The heat sink (200) is configured to dissipate thermal energy from the light source when in operation. The heat sink comprises a plurality of pin-shaped fins (210) and a support (220), wherein each fin (210) has a fin height (h) relative to the support (220), a bottom part (213) associated with the support (220) and a top part (214), a cross-section having a first width (d1) and a second width (d2) having a ratio d1/d2 selected from the range of 1.2-10, and a first width axis, wherein the first width axes of the pin-shaped fins (210) are arranged parallel, and wherein the pin-shaped fins (210) are hollow over at least part of their fin height (h).

A heat sink, lighting device and method of manufacture are described. A heat sink includes at least one sheet metal having a first surface and a second surface, at least one first reference pin extending at least in part from the first surface, and at least one second reference pin extending at least in part from the second surface and located within a diameter of, and concentrically with, the at least one first reference pin. The diameter of the at least one first reference pin being larger than a diameter of the at least one second reference pin.

A heat sink, lighting device and method of manufacture are described. A heat sink includes at least one sheet metal having a first surface and a second surface, at least one first reference pin extending at least in part from the first surface, and at least one second reference pin extending at least in part from the second surface and located within a diameter of, and concentrically with, the at least one first reference pin. The diameter of the at least one first reference pin being larger than a diameter of the at least one second reference pin.

Disclosed is an outdoor LED light including a power supply compartment and a heat dissipation body which is connected at one side to the power supply compartment and sequentially provided at the other side with a PCB board on which at least one LED bread is arranged and a plurality of lenses, the heat dissipation body is arranged, on the one side facing the power supply compartment, with a plurality of needle-shaped heat dissipation columns

A heat sink, lighting device and method of manufacture are described. A heat sink includes at least one sheet metal having a first surface and a second surface, at least one first reference pin extending at least in part from the first surface, and at least one second reference pin extending at least in part from the second surface and located within a diameter of, and concentrically with, the at least one first reference pin. The diameter of the at least one first reference pin being larger than a diameter of the at least one second reference pin.

A heat sink, lighting device and method of manufacture are described. A heat sink includes at least one sheet metal having a first surface and a second surface, at least one first reference pin extending at least in part from the first surface, and at least one second reference pin extending at least in part from the second surface and located within a diameter of, and concentrically with, the at least one first reference pin. The diameter of the at least one first reference pin being larger than a diameter of the at least one second reference pin.

There are provided an apparatus for heat exchange by using a braided fabric woven from a thermally conductive wire material and a light emitting diode (LED) lighting device. The apparatus comprises a braided fabric (1) woven from a thermally conductive wire material, and a heat dissipating or absorbing object (2) is fixed with the braided fabric (1) by using methods such as welding, adhering with a thermally conductive adhesive and casting, so as to ensure that heat energy is effectively conducted between the heat dissipating or absorbing object (2) and the thermally conductive wire of the braided fabric (1), and heat is dissipated to air or absorbed from air by means of a heat dissipating surface of the thermally conductive wire of the braided fabric (1).

An improved lighting device includes a tower body, a pair of parallel PCBs attached to the tower body, a connector and a set of wires connecting the connector and the PCBs. The wires are wrapped inside a RF shielding and disposed inside a supply cable. Each PCB includes two arrays of LEDs. Each array of LEDs includes three LEDs. A set of omni-directional heat sinks are attached to the base of the tower body. Each sink includes a set of tinned stranded copper ropes. The copper ropes each have a free end. The lighting device further includes a plug metal retention nut attached to the connector, a ratcheting inner collar attached to the tower body, and a mounting collar. The mounting collar has tabs, a ratchet mechanism having a series of troughs spaced by approximately one millimeter, and two guidance grooves. The mounting collar is couple with the ratcheting inner collar.