Array Substrate, Display Panel, Display Device, and Mask

Abstract

An array substrate is provided. The array substrate has a display region, a fan-out region, and a bonding region. The array substrate includes a base, a plurality of connecting leads, and a planarization layer. The planarization layer is located on a side of the plurality of connecting leads away from the base, and has a first pattern region located in the fan-out region. The planarization layer includes a plurality of first recessed portions provided in the first pattern region, and an orthographic projection of at least one first recessed portion on the base overlaps with an orthographic projection of at least one connecting lead on the base; and along a direction perpendicular to the base, the first recessed portions and the connecting leads have a distance therebetween.

Dependencies are inferred from the claim text.