Abstract:
The present invention provides a polysilicon thin-film transistor array substrate and a method for preparing the same, and a display device, wherein the method comprises a step of forming a gate electrode, a gate insulating layer, a semiconductor layer, a source electrode and a drain electrode of the polysilicon thin-film transistor, and a first electrode and a second electrode of a storage capacitor, and a gate line and a data line, wherein, the semiconductor layer and the first electrode of the storage capacitor are formed via a one-time patterning process, and the gate electrode, the gate line and the second electrode of the storage capacitor are formed via a one-time patterning process. By the solution of the invention, the number of mask plates used can be lowered, so that the process can be simplified, and the production cost can be lowered.
Abstract:
Embodiments of the present invention relate to an array substrate and a manufacturing method thereof. The manufacturing method comprises: step 1: forming a gate line, a gate electrode, a first insulating layer, an active layer and ohmic contact layers on a base substrate by a first patterning process using a gray-tone or half-tone mask, in which the active layer between the ohmic contact layers corresponds to a channel region; step 2: forming a second insulating layer and a pixel electrode film on the base substrate obtained after the step 1 by a second patterning process using a gray-tone or half-tone mask; and step 3: forming a drain electrode, a source electrode, a data line and a passivation layer on the base substrate obtained after the step 2 by a third patterning process using a gray-tone or half-tone mask.