Array substrate and preparation method thereof and display device

Abstract

Provided is an array substrate and a preparation method thereof and a display device, to improve performance and yield of display products. An embodiment of the present disclosure provides an array substrate, where the array substrate is divided into a display area and a surrounding area arranged outside the display area; the array substrate includes: a substrate, electroluminescent devices and an encapsulation layer disposed on the substrate in the display area, the encapsulation layer configured to encapsulate the electroluminescent device, and a touch function layer disposed on the encapsulation layer; the touch function layer includes a touch lead extending from the display area to the surrounding area; and the array substrate further includes: a thickness compensation layer located in the surrounding area and disposed between the substrate and the touch lead layer.

Dependencies are inferred from the claim text.