Display panel, preparation method of display panel and display device

A display panel, comprising an array substrate, wherein the array substrate comprises a first base, a first signal wire layer located on a side of the first base, and an anti-reflection layer located between the first signal wire layer and the first base;

• wherein the display panel further comprises a display region and a non-display region;
• the first signal wire layer comprises a first signal wire located in the display region, and the anti-reflection layer comprises a first anti-reflection structure located in the display region and a second anti-reflection structure located in the non-display region;
• and an orthographic projection of the first anti-reflection structure on a plane where the first base is located covers at least part of an orthographic projection of the first signal wire on the plane where the first base is located;
• wherein the display panel further comprises at least one second signal wire layer, the at least one second signal wire layer is located on a side of the first signal wire layer facing away from the first base, and the at least one second signal wire layer comprises a plurality of third signal wires;
• and
• wherein the anti-reflection layer further comprises a third anti-reflection structure located in the display region, and an orthographic projection of the third anti-reflection structure on the plane where the first base is located covers at least part of an orthographic projection of a third signal wire of the plurality of third signal wires on the plane where the first base is located.

A display panel, comprising an array substrate, wherein the array substrate comprises a first base, a first signal wire layer located on a side of the first base, and an anti-reflection layer located between the first signal wire layer and the first base;

• wherein the display panel further comprises a display region and a non-display region;
• the first signal wire layer comprises a first signal wire located in the display region, and the anti-reflection layer comprises a first anti-reflection structure located in the display region and a second anti-reflection structure located in the non-display region;
• and an orthographic projection of the first anti-reflection structure on a plane where the first base is located covers at least part of an orthographic projection of the first signal wire on the plane where the first base is located;
• wherein the array substrate further comprises an opposing substrate, the opposing substrate is located on a side of the array substrate facing away from a light emission side of the display panel;
• or the opposing substrate is located on a side of the array substrate facing a light emission side of the display panel;
• and
• wherein the array substrate further comprises a pixel circuit, a first electrode and a second electrode which are located on a side of the first base facing the opposing substrate;
• the pixel circuit comprises a thin-film transistor, the thin-film transistor comprises a gate, a source and a drain, the gate is located in the first signal wire layer, and the source or the drain is electrically connected to and in contact with the first electrode;
• and
• the opposing substrate comprises a second base, a light-filtering structure and a black light absorption layer, wherein the light-filtering structure and the black light absorption layer are located on a side of the second base facing the array substrate.