Electronic device including display and method for manufacturing same

An electronic device comprising:

• a flexible display;
• and
• a cover window disposed on the flexible display,
• wherein the cover window comprises a glass member and a buffer member disposed between the glass member and the flexible display,
• wherein the glass member comprises at least one flat area and a bending area extending from the at least one flat area, and
• wherein a thickness of at least a portion of the bending area continuously decreases from a thickness of the at least one flat area as the bending area extends from the at least one flat area, and a width of the at least the portion of the bending area continuously decreases from a width of the at least one flat area as the bending area extends from the at least one flat area,
• wherein the bending area comprises a first recess on a first surface facing the buffer member and recessed in a first curved shape, and a second recess on an edge of the bending area and recessed in a second curved shape, and
• wherein the second recess extends continuously from the first recess.