Array substrate and preparation method therefor, display panel, and display device

The array substrate according to claim 63, wherein the conductive enhancement layer comprises:

• a first conductive strip, extending along a first direction;
• a second conductive strip, extending along a second direction, wherein the second direction intersects with the first direction, and the first direction and the second direction are parallel to a side of the first base substrate close to the insulating layer group,
• wherein the array substrate further comprises:
• a switch layer group, provided between the first base substrate and the insulating layer group, the switch layer group comprising:
• a plurality of switch units, provided in an array;
• a plurality of gate lines, extending along the first direction, wherein each of the gate lines is located between two adjacent switch units, an orthographic projection of the first conductive strip on the first base substrate at least partially overlaps with an orthographic projection of the gate line on the first base substrate;
• a plurality of data lines, extending along the second direction, wherein each of the data lines is located between two adjacent switch units, an orthographic projection of the second conductive strip on the first base substrate at least partially overlaps with an orthographic projection of the data line on the first base substrate, and the plurality of gate lines and the plurality of data lines intersect to form a plurality of pixel regions.

A display panel, comprising:

• an array substrate, having a display region and a transition region provided on at least one side of the display region, wherein the array substrate comprises:
• a first base substrate;
• an insulating layer group, provided on a side of the first base substrate, wherein a recessed portion is provided on the insulating layer group, and the recessed portion is located in the transition region;
• a first electrode layer, provided on a side of the insulating layer group away from the first base substrate;
• and a conductive enhancement layer, provided on a side of the first electrode layer away from the first base substrate, wherein an orthographic projection of the conductive enhancement layer on the first base substrate is located within an orthographic projection of the first electrode layer on the first base substrate;
• and
• a color film substrate, provided opposite to the array substrate, wherein the color film substrate comprises a black matrix, and an orthographic projection of the conductive enhancement layer on the first base substrate is located within an orthographic projection of the black matrix on the first base substrate.