Display panel having conductive layer in peripheral area and barriers for preventing air bubble

A display panel having a display area and a peripheral area, comprising a counter substrate and an array substrate facing the counter substrate, the array substrate comprising a conductive layer on a first base substrate of the array substrate in the peripheral area;

• wherein the counter substrate comprises:
• a second base substrate;
• and
• a barrier layer on the second base substrate in the peripheral area comprising a barrier having a first side proximal to an interface between the display area and the peripheral area and a second side distal to the interface between the display area and the peripheral area;
• the first side having a first undulating shape;
• the second side having a second undulating shape;
• wherein the barrier comprises a plurality of barrier segments, two adjacent barrier segments are spaced apart from each other forming an opening between the two adjacent barrier segments of the barrier;
• at least one of the plurality of barrier segments having a bend protruding towards the interface between the display area and the peripheral area, thereby forming a convex surface on the first side and a concave surface on the second side;
• wherein the barrier layer comprises a plurality of barriers;
• each of the plurality of barriers has a first side proximal to the interface between the display area and the peripheral area and a second side distal to the interface between the display area and the peripheral area;
• the first side having a first undulating shape;
• the second side having a second undulating shape;
• each of the plurality of barriers comprises a plurality of barrier segments arranged substantially in a direction parallel to the interface between the display area and the peripheral area, two adjacent barrier segments of each of the plurality of barriers being spaced apart from each other forming an opening between the two adjacent barrier segments of each of the plurality of barriers;
• and
• each of the plurality of barrier segments of each of the plurality of barriers comprises a bend protruding towards the interface between the display area and the peripheral area, thereby forming a convex surface on the first side and a concave surface on the second side in each of the plurality of barrier segments of each of the plurality of barriers;
• wherein the plurality of barriers comprises a first barrier and a second barrier;
• a projection of the first barrier on the first base substrate of the array substrate being outside a projection of the conductive layer on the first base substrate;
• a projection of the second barrier on the first base substrate of the array substrate overlapping with the projection of the conductive layer on the first base substrate;
• wherein the conductive layer has a plurality of protrusions alternating with a plurality of indentations along a side proximal to the interface between the display area and the peripheral area, the plurality of protrusions protruding in a direction from the peripheral area to the display area, the plurality of indentations indented in a direction from the display area to the peripheral area;
• adjacent protrusions spaced apart by an indentation;
• the array substrate further comprises a plurality of common electrode signal lines;
• each of the plurality of common electrode signal lines extending from an apex of each of the plurality of protrusions into the display area for providing a common voltage;
• and
• a plurality of openings in the first barrier and the second barrier are substantially aligned with the plurality of indentations.