US Patent 11581511 Display panel and display device including the same

The present invention provides a display panel including a through-hole, a non-display area surrounding the through-hole and a display area; the non-display area includes a substrate, an organic film layer structure, an inorganic film layer structure and a light-emitting functional layer; the organic film layer structure includes a plurality of organic thin film layers; the inorganic film layer structure includes at least one annular first through-groove surrounding the through-hole; the organic film layer structure includes at least one annular second through-groove surrounding the through-hole; the first through-grooves correspond to the second through-grooves by way of one to one, respectively; the width of the first through-groove is smaller than the width of the second through-groove at the organic thin film layer that is in contact with the inorganic film layer structure in the organic film layer structure; the light-emitting functional layer is disconnected at the first through-grooves.