Electronic device and method of forming the same

An electronic device, comprising:

• a panel, the panel comprising:
• a first substrate;
• a second substrate, disposed opposite to the first substrate;
• and
• a plurality of display units, disposed on the first substrate,
• a defect, between the first substrate and the second substrate or on the second substrate;
• and
• an optical film having a first base, a protective layer on the first base, a second base between the first base and the protective layer, and a first processed area in the second base, disposed on a top surface of the panel,
• wherein in a top view of the electronic device, the first processed area corresponds to the defect, and the first processed area at least partially overlaps at least two display units, wherein a top surface of the first processed area is lower than a top surface of the second base.