Thermally conductive thermoplastic for light emitting diode fixture assembly

A light emitting diode fixture having a thermally conductive thermoplastic power supply cup therein which is comprised of (1) at least one light emitting diode, (2) a lens covering a portion of the light emitting diode, (3) a back plate to which the light emitting diode is affixed, (4) a housing for the light emitting diode and the base plate, (5) electrical connectors which are in electrical communication with the light emitting diode and an electrical supply source, and (6) the electrical power supply cup, wherein the electrical power supply cup is comprised of a thermally conductive thermoplastic composition which is comprised of at least one thermoplastic polymer, and a thermally conductive filler.

A light emitting diode fixture having a thermally conductive thermoplastic back plate therein which is comprised of (1) at least one light emitting diode, (2) a lens covering a portion of the light emitting diode, (3) at least one heat spreader wherein the heat spreader is comprised of a thermally conductive thermoplastic composition which is comprised of at least one thermoplastic polymer, and at least one thermally conductive filler, (4) a back plate which is affixed to the heat spreader, wherein the back plate is comprised of an electrically conductive metal, (5) a housing for the light emitting diode and the back plate, and (6) electrical connectors which are in electrical communication with the back plate and an electrical supply source.

A light emitting diode fixture having an overmolded housing comprising (1) a back plate, (2) a circuit board which is affixed to the back plate, (3) a light emitting diode which is affixed to the back plate and which is in electrical communication with the circuit board, (4) electrical connectors which are in electrical communication with the circuit board, (5) a lens which covers at least a portion of the light emitting diode, and (6) a housing which is overmolded onto the back plate, wherein said housing is comprised of a thermoplastic composition which includes a thermoplastic polymer having a melting point of less than 220° C., and at least one thermally conductive filler.

A thermally conductive polymeric composition having a flame retardancy which is comprised of (1) at least one thermoplastic polymer, (2) at least one thermally conductive filler, (3) at least one flame retardant system, (4) at least one impact modifier, and (5) a surface active agent.