Patent ID: 11864426
Assignee: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
Field: nan (nan)
Classification: CPC H | IPC H

Claim 0:
1. An array substrate, comprising:
a base substrate;
a light-emitting functional layer, the light-emitting functional layer comprising a plurality of light-emitting functional portions, the plurality of light-emitting functional portions comprising a first light-emitting functional portion and a second light-emitting functional portion adjacent to each other; and
a photo spacer (PS), the PS being located between the first light-emitting functional portion and the second light-emitting functional portion, the PS comprising a plurality of protrusions protruded in a direction away from the base substrate and a first recess located between adjacent protrusions,
wherein a first protrusion of the plurality of protrusions has a first sidewall partially defining the first recess, a second sidewall opposite to the first sidewall in a direction parallel to the base substrate, and a top surface away from the base substrate and connecting the first sidewall and the second sidewall, and an edge part of the first light-emitting functional portion continuously extends from a position covering the second sidewall of the first protrusion to positions covering the top surface and the first sidewall of the first protrusion,
wherein the PS has a strip shape, the PS comprises four protrusions, the four protrusions are located on two sides of the PS, respectively, the two sides of the PS are opposite to each other, and each of the two sides of the PS is provided with two protrusions arranged along an extension direction of the side;
wherein the light-emitting functional layer further comprises two third light-emitting functional portions; and the first light-emitting functional portion, the second light-emitting functional portion and the third light-emitting functional portion belong to sub-pixels emitting light of different colors, respectively; the first light-emitting functional portion and the second light-emitting functional portion are arranged sequentially; the two third light-emitting functional portions are located at a same side of the first light-emitting functional portion and the second light-emitting functional portion and are connected with the first light-emitting functional portion and the second light-emitting functional portion, respectively; the PS is located between the first light-emitting functional portion and the second light-emitting functional portion, between the first light-emitting functional portion and one of the two third light-emitting functional portions, and between the second light-emitting functional portion and the other one of the two third light-emitting functional portions; and
wherein the four protrusions comprise the first protrusion, a second protrusion, a third protrusion and a fourth protrusion; and the first recess is provided between every two protrusions of the first protrusion, the second protrusion, the third protrusion and the fourth protrusion; an orthographic projection of the first protrusion and an orthographic projection of the second protrusion on the base substrate fall within an orthographic projection of the first light-emitting functional portion and an orthographic projection of the second light-emitting functional portion on the base substrate, respectively; an orthographic projection of the third protrusion and an orthographic projection of the fourth protrusion on the base substrate fall within orthographic projections of the two third light-emitting functional portions on the base substrate, respectively; a size of the first recess between the first protrusion and the second protrusion along an extension direction of the PS is smaller than a size of the first recess between the third protrusion and the fourth protrusion along the extension direction of the PS.