Portable electronic device

A portable electronic device comprising:

• a housing;
• a display comprising a window and a display panel, and one end of the display has a curved portion;
• a buffer area formed along an edge of the housing such as to correspond to the curved portion of the display, the buffer area having a concave cross-section;
• a first sealing member between the display panel and the housing;
• and
• a second sealing member between the window and the housing and spaced apart from the first sealing member,
• wherein the housing includes a connection hole that is between the first sealing member and the second sealing member and adjacent to the buffer area, and
• wherein the portable electronic device further comprises:
• a filling member that fills the connection hole and connects the first sealing member and the second sealing member;
• and
• a blocking member between the connection hole and the buffer area and configured to block the filling member from flowing into the buffer area.