Abstract: A display device includes a substrate, a first conductive layer on the substrate, the first conductive layer including a data signal line, a first insulating layer on the first conductive layer, a semiconductor layer on the first insulating layer, the semiconductor layer including a first semiconductor pattern, a second insulating layer on the semiconductor layer, and a second conductive layer on the second insulating layer, the second conductive layer including a gate electrode disposed to overlap the first semiconductor pattern, a transistor first electrode disposed to overlap a part of the first semiconductor pattern, wherein the transistor first electrode is electrically connected to the data signal line through a contact hole that penetrates the first and second insulating layers, and a transistor second electrode disposed to overlap another part of the first semiconductor pattern.

Abstract: The present disclosure relates to a multi-plunger lift control device for increasing device durability and production efficiency by synchronizing and controlling operating states of a plurality of plunger lifts sharing some production lines. The multi-plunger lift control device according to the present disclosure includes a plunger lift synchronization setting unit configured to set an operation priority of the plurality of plunger lifts so that production stages of the plurality of plunger lifts do not collide, a stage monitoring unit for each plunger lift configured to monitor current production stages of the plurality of plunger lifts, and a plunger lift logic control unit configured to synchronize and control production operations of the plurality of plunger lifts based on the operation priority set by the plunger lift synchronization setting unit and stage monitoring information received from the stage monitoring unit for each plunger lift.