Oxide thin film transistor and method for driving the same, display device

An oxide thin film transistor, comprising:

• a gate electrode arranged on a substrate;
• and
• at least two active layer structures,
• wherein the at least two active layer structures include a first active layer structure and a second active layer structure,
• the first active layer structure includes a first conductive connection portion and a second conductive connection portion arranged oppositely, and a first oxide semiconductor pattern arranged between the first conductive connection portion and the second conductive connection portion, the first oxide semiconductor pattern is respectively coupled to the first conductive connection portion and the second conductive connection portion,
• the second active layer structure includes a third conductive connection portion and a fourth conductive connection portion arranged oppositely, and a second oxide semiconductor pattern arranged between the third conductive connection portion and the fourth conductive connection portion, and the second oxide semiconductor pattern is respectively connected to the third conductive connection portion and the fourth conductive connection portion, and
• an orthographic projection of the first oxide semiconductor pattern on the substrate and an orthographic projection of the second oxide semiconductor pattern on the substrate are both located within an orthographic projection of the gate electrode on the substrate, the second conductive connection portion is coupled to the third conductive connection portion.