Abstract:
A light-emitting device, including a heatsink arranged at a tip of the light-emitting device, at least one light source, in particular a light-emitting diode, arranged on an underside of the heatsink, and a reflector arranged below the heatsink for reflecting at least some of the light emitted by the at least one light source.
Abstract:
A lighting device comprising: (1;18;22;24;27) at least one lighting means; (2), a power-supply unit (10) for the at least one lighting means; (2), and a cooling body (6) for cooling the at least one lighting means; (2), wherein the at least one lighting means (2) is secured to the cooling body (6) and separated from the power-supply unit (10) by the cooling body (6), and wherein the power-supply unit (10) has an electrically insulating cap (17;19;23;25;29) separating the power-supply unit (10) from the cooling body (6).
Abstract:
A semiconductor lamp includes a reflector having a lower side and an upper side, wherein the lower side widens laterally and wherein the lower side and the upper side are separated from one another by an upper rim, and having a first light source group having at least one semiconductor light source and a second light source group having at least one semiconductor light source, wherein the reflector is provided as a cooling body for the first light source group and for the second light source group; wherein at least a part of a light that can be emitted by the first light source group can be reflected by means of the lower side of the reflector at least into a spatial angle range that cannot be directly illuminated by the first light source group.
Abstract:
A heat sink may be constructed from at least one sheet-metal part and may include at least one flow structure, wherein the flow structure is configured to guide cooling air along an inner side of the heat sink, and wherein the flow structure is configured to direct the cooling air at least partially along a longitudinal axis of the heat sink on the inner side of the heat sink.
Abstract:
A lighting device (1; 21; 41) having at least one heat sink (5; 44) for cooling at least one light source, wherein the at least one heat sink (5; 44) comprises one or more at least bent sheet metal parts.
Abstract:
A lighting device (1; 21; 41) having at least one heat sink (5; 44) for cooling at least one light source, wherein the at least one heat sink (5; 44) comprises one or more at least bent sheet metal parts.
Abstract:
A cooling element for a lighting device having a plurality of cooling fins, wherein adjacent cooling fins delimit a cooling fin intermediate space with at least one air duct for connecting at least two cooling fin intermediate spaces.