Abstract: A high-performance negative ion generating module includes a high-voltage electric field catalyzer unit formed of multiple catalyzer reaction boards and two high-voltage discharging panels for discharging a high voltage to produce a high voltage electric field, and an ion generator kit formed of a first ion generating panel, which has activation tubes respectively coated with VO2 and TiO2, and a metal coating and electrically connected to the negative pole of the power supply, and a second ion generating panel, which has discharging terminals electrically connected to the positive pole of the power supply and respectively aimed at the activation tubes for causing an electron wind to flow through the activation tubes to enhance air cleaning.

Abstract: A power-saving lamp is constructed to include a lamp head, a bulb fastened to the lamp head, a polygonal light emitting circuit assembly suspended from a bracket in the lamp head within the bulb, the polygonal light emitting circuit assembly having LEDs in each of the peripheral sidewalls thereof, and a power control circuit board mounted in the lamp head and electrically connected between the lamp head and the polygonal light emitting circuit assembly to convert input AC power from the lamp head into the desired working voltage for the polygonal light emitting circuit assembly.