Display panel, display module and display device

A display module, comprising:

• a display panel,
• a flexible circuit board bonded with a binding region in the display panel;
• wherein the display panel comprises an opening region, a barrier region surrounding the opening region, and a display region surrounding the barrier region, wherein the display panel comprises:
• a base substrate;
• a crack blocking structure on a side of the base substrate in the barrier region and surrounding the opening region;
• a barrier wall on a side of the base substrate in the barrier region and surrounding the crack blocking structure;
• wherein
• the barrier wall and the crack blocking structure respectively comprise a first metal layer and a first organic layer on a side away from the base substrate, of the first metal layer, and an edge of the side away from the base substrate, of the first metal layer is indented relative to an edge of a side proximal to the base substrate, of the first organic layer;
• at least one of the barrier wall and the crack blocking structure is provided with a deep groove penetrating through a film layer between the first organic layer and the base substrate, and the deep groove surrounds the opening region;
• and the first organic layer fills the deep groove and is connected to the base substrate.

A display device, comprising a display module, wherein the display module comprises a display panel, a flexible circuit board bonded with a binding region in the display panel;

• wherein the display panel comprises an opening region, a barrier region surrounding the opening region, and a display region surrounding the barrier region, wherein the display panel comprises:
• a base substrate;
• a crack blocking structure on a side of the base substrate in the barrier region and surrounding the opening region;
• a barrier wall on a side of the base substrate in the barrier region and surrounding the crack blocking structure;
• wherein
• the barrier wall and the crack blocking structure respectively comprise a first metal layer and a first organic layer on a side away from the base substrate, of the first metal layer, and an edge of the side away from the base substrate, of the first metal layer is indented relative to an edge of a side proximal to the base substrate, of the first organic layer;
• at least one of the barrier wall and the crack blocking structure is provided with a deep groove penetrating through a film layer between the first organic layer and the base substrate, and the deep groove surrounds the opening region;
• and the first organic layer fills the deep groove and is connected to the base substrate.