Array substrate, manufacturing method thereof and display device

Abstract

An array substrate, a manufacturing method thereof and a display device are provided, and the array substrate comprises: a substrate (1); a plurality of data lines (16), formed on the substrate and extending in a first direction; a plurality of gate lines (15), formed on the substrate (1), crossing the plurality of data lines (15), and extending in a second direction perpendicular to the first direction; a plurality of pixel regions, defined by the plurality of gate lines (15) and the plurality of data lines (15) crossing each other and arranged in a matrix form, wherein each of the pixel regions is provided with a thin film transistor and a pixel electrode (12), wherein, the thin film transistor comprises: a gate electrode (2), connected with one of the plurality of gate lines (15); a gate insulating layer (3), provided above the gate line (15) and the gate electrode (2); an active layer (5), formed on the gate insulating layer (3) and disposed corresponding to the gate electrode (2); a drain electrode (8) and a source electrode (9), disposed opposite to each other above the active layer (5) and having a channel region of the thin film transistor therebetween; a filling layer (4), provided between the gate electrode (2) and the gate line (15) connected with the gate electrode, and the drain and source electrodes (8) and (9); and a passivation layer (10), provided on the source electrode (9), the drain electrode (8) and the active layer (5), wherein at a position directly facing the gate line (15), the passivation layer (10) is provided with a passivation layer through hole (11) configured to perform a connection between the drain electrode (8) and the pixel electrode (12).

Dependencies are inferred from the claim text.