Display panel, manufacturing method and stretchable display device

A manufacturing method of a stretchable display panel, comprising:

• adhering a flexible substrate to a side of a rigid substrate;
• forming a plurality of through-groove structures on the flexible substrate through a photoetching process, wherein at least one through-groove structure comprises a non-fixed region and a fixed region surrounding the non-fixed region;
• forming a pattern of an organic separation layer on a side of the flexible substrate facing away from the rigid substrate;
• forming a whole encapsulation layer on a side of the organic separation layer facing away from the rigid substrate;
• according to the pattern of the organic separation layer, forming, a first sub-portion attached to the rigid substrate in the fixed region and a second sub-portion attached to the rigid substrate via the organic separation layer in the non-fixed region, of a portion of the encapsulation layer in the at least one through-groove structure;
• applying a laser lift-off process on the rigid substrate, and gasifying the organic separation layer to separate the second sub-portion from the rigid substrate;
• and
• applying an external force on the rigid substrate, forming a breaking point of the encapsulation layer in the fixed region, and lifting off the first sub-portion and the rigid substrate together from the flexible substrate to form the stretchable display panel.