Light string with alternate LED lamps and incandescent lamps
In one embodiment an electrical circuit for use as a string of lights includes a load comprising a plurality of lamps connected in series, the lamps comprising a first group of lamps including an LED and a first Zener diode in parallel therewith, and a second group of lamps including an incandescent light bulb and a second Zener diode in parallel therewith; and a rectifier for converting a source of AC into DC which is supplied to the load. The first group of lamps are alternate with the second group of lamps.
F F H F
F21Y F21Y H05B F21S
additional additional inventional inventional
Cheng-Fen Chen-Hsien Chu-Cheng Chen-Tao
Chang Chang Chang Chang