A lighting device is disclosed. The lighting device comprises: a solid-state lighting element; a radio frequency communication unit for wireless communication between the lighting device and an external device; a light guide having a circumferential edge, wherein the light guide is adapted to couple in light emitted by the solid-state lighting element and to provide illumination to the surroundings of the lighting device; and a metal strip extending along at least a portion of the circumferential edge of the light guide, wherein the metal strip is in thermal contact with the solid-state lighting element and the light guide, and wherein the metal strip is coupled to the radio frequency communication unit so as to operate as an antenna for the radio frequency communication unit.

A method and device for emitting electromagnetic radiation at high power using nonpolar or semipolar gallium containing substrates such as GaN, AlN, InN, InGaN, AlGaN, and AlInGaN, is provided. In various embodiments, the laser device includes plural laser emitters emitting green or blue laser light, integrated a substrate.

A LED strip having LED chips and a strip to which the LED chips are fixed and which also functions as a support structure of conductors coupled with the LED chips, and a tube manufactured from an elastic and at least partly light-transmitting material and surrounding the strip with the LED chips. At the outer surface of the tube there is a fixing element which is in essential parts of the same material as the tube. The LED strip includes a thermal conduction part which is of a material different from the tube and which, in the cross-section of the LED strip, is directed outwards from the inner surface of the tube for conducting waste heat generated in the LED chips out from the tube.

The invention provides a vapor chamber element (1000) comprising a first part (1100), a second part (1200), and a third part (1300), wherein the second part (1200) and third part (1300) are associated to the first part (1100), wherein the second part (1200) and third part (1300) are configured spatially separated with a first distance (d1) along a first length (L1), defining an opening (200) between the second part (1200) and the third part (1300); wherein the vapor chamber element (1000) comprises one or more vapor chambers (100) at least partially comprised by the second part (1200) and third part (1300); wherein the vapor chamber element (1000) further comprises one or more heat fin elements (2000), wherein the one or more heat fin elements (2000) comprise one or more heat fins (2100), wherein the one or more heat fin elements (2000) bridge the first distance (d1) and close a part of the opening (200).

A film and television lamp is provided by embodiments of the present disclosure, comprising: a housing assembly, wherein the housing assembly is provided with a cavity, the housing assembly comprises a first housing, the first housing comprises a first ventilation area, a second ventilation area and shelter structure between the first ventilation area and the second ventilation area; a circuit board assembly, wherein the circuit board assembly is provided in the cavity and in correspondence with the shelter structure; a heat dissipating assembly, wherein the heat dissipating assembly is provided in the cavity, and the heat dissipating assembly comprises a first radiator and a second radiator, the first radiator is connected with the second radiator. The present disclosure aims to solve technical problems in the prior art that heat dissipation and waterproof in the film and television lamp cannot be both achieved.

According to the present specification there is provided a rotatable heat sink device which comprises a heat sink configured to enclose a cooling fluid, and the heat sink is rotatable about a rotational axis. The heat sink, in turn, comprises a first portion configured to receive thermal energy from a source external to the heat sink, and a second portion configured to dissipate at least a portion of the thermal energy to surroundings external to the device. The device further comprises an optical wavelength conversion material disposed on an outside surface of the first portion of the heat sink, and an agitator disposed inside the heat sink. The agitator is rotationally independent of the heat sink and is configured to promote circulation of the cooling fluid between the first portion and the second portion.

The invention discloses a lamp radiator, including a heat conducting plate, wherein the heat conducting plate is fixed together with a fin group for heat dissipation; and a power supply box equipped with a power supply is respectively fixed at the left side and the right side of the heat conducting plate when the lamp radiator is used. The heat conducting plate is an integrated structure which is composed of a base plate and two leg plates; and the cross section of the heat conducting plate is Π-shaped. The length of the fin group for heat dissipation may be changed according to the power of an energy-saving lamp; and the lamp radiator further includes a heat pipe. The invention also discloses an LED energy-saving lamp having the above lamp radiator. When the lamp radiator and the energy-saving lamp according to the invention are used, heat is dissipated upwards through the lamp radiator, so that the service life of the power supply can be prolonged; moreover, the length of the fin group may be changed according to the power of the energy-saving lamp, and fin groups with different lengths may be produced by only using one set of molds, so that cost is reduced; and in addition, through the design of the heat conducting plate, the fin group, the heat pipe and the like, the heat dispersion performances are good, and the lamp radiator and the LED energy-saving lamp can be widely applied to the illumination field.

An LED array is mounted on a base that is thermally coupled to a heat spreader. At least one aperture is provided between the support area and an edge of the heat spreader. The heat spreader may be coupled to a thermal pad which has sufficient thermal conductivity and is sufficiently thin to allow the thermal resistivity between the heat spreader and a corresponding heat sink to be below a predetermined value.

The present application relates to a light emitting diode module comprising: a light source device (11), a cover (10) for said light source device (11), the cover (10) being arranged to connect to an optical device (21); wherein said cover (10) comprises a heat conducting part (24, 34) which has an at least one order of magnitude higher thermal conductivity than the remaining part of the cover (10) and which is arranged to thermally connect said light source device (11) with said optical device (21). The present application further relates to a corresponding cover for a light source device (11) in a light emitting diode module (1).

The invention relates to a heat sink (1, 100) for a light source of a motor vehicle light module, wherein: the heat sink (1, 100) comprises a main body (2) and cooling plates (3, 300) which can be arranged on the main body (2); when the cooling plates (3, 300) are connected to the main body (2), the cooling plates (3, 300) are in heat-conducting contact with the main body (2), each cooling plate (3, 300) having a base side (31, 310); the main body (2) has fastening elements (21) on a surface (22), the surface (22) facing the base sides (31, 310) of the cooling plates (3, 300); counter elements (32) mating with the fastening elements (21) are arranged on each base side (31, 310), the fastening elements (21) being designed to engage in the counter elements (32); the fastening elements (21) are arranged in a grid (23); the counter elements (32) are arranged on the respective base sides (31, 310) at regular distances (d1) from one another, and the grid (23) has a grid spacing (d2), the grid spacing (d2) being greater than the distance (d1) between the counter elements (32).