Electronic device including flexible display

An electronic device comprising:

• a foldable housing providing a front surface of the electronic device and a rear surface of the electronic device;
• and
• a flexible display located in an inner space of the foldable housing, combined with a front cover of the foldable housing providing the front surface, and viewable through the front cover,
• wherein the front cover includes a pattern in which a plurality of openings corresponding to a folding portion of the foldable housing or a plurality of recesses provided in a surface facing the flexible display are periodically provided,
• wherein a plurality of sub-pixels emitting light of a same wavelength in the flexible display are arranged in a same direction as a direction in which the plurality of openings or the plurality of recesses are periodically arranged, and
• wherein a first interval at which the plurality of openings or the plurality of recesses are periodically arranged is greater than a second interval at which the plurality of sub-pixels are periodically arranged.