Abstract: A two-wire display lighting control structure mainly including a main driver outputting pilot control signals and a plurality of sub-drivers each containing a signal discriminator and a load making circuit and each having a flood light or a light string serially connected thereto. A two-wire conductor is sufficient for use between the main driver and the sub-drivers to serially connect them. The pilot control signals output by the main driver replace first half-cycles of sine waves of an alternating current for supplying power needed by the sub-drivers and individually controlling series-parallel connected flood lights or light strings, so that the flood light or light string connected to a selected sub-driver lightens when it is supplied with power from another half-cycles of the sine waves of the alternating current.

Abstract: A flicker light string suitable for unlimited series-connection, each light string including a driver and a plurality of series-connected lamps. The driver has an input end connected to an independent external power supply and a trigger circuit. The trigger circuit has an output end connected to the series-connected lamps and a trigger end reserved for connection to an external cord for acquiring an oscillatory signal to control the continuity and interruption of the trigger circuit, so that the light string can flicker with the oscillatory signal. Multiple units of the flicker light string can be serially connected to form an unlimited extending flicker light string, and all the connected light strings can flicker synchronously without the risk of being overloaded or overheated.

Abstract: Disclosed is a light string fixing structure which mainly includes a fixing seat and a lampholder detachably connected to the fixing seat. The fixing seat can be fixedly mounted onto a desired position by extending a nail or screw through a centered hole of the fixing seat into a wall surface or by glue or double-side adhesive tape. The lampholder is provided around a rear end with a flange and the fixing seat is provided around a periphery with claws, such that when the lampholder is backward pushed into the fixedly mounted fixing seat, it is retained in place in the fixing seat by the engagement of the claws with the flange. Whereby light strings using the fixing structure can be easily installed to form desired patterns and lamps connected to the lampholders contained in the light strings are protected from swinging or colliding and broken caused by wind or an outcoming force.