Disclosed is an electronic device comprising: a housing; a display for displaying a screen by using a plurality of pixels; a display driver IC for providing a light-emitting signal and a data voltage for driving each of the plurality of pixels to the display; and a processor, wherein: the display includes a transistor layer including a plurality of light-emitting elements, an encapsulation layer covering the transistor layer, a touch electrode disposed on the encapsulation layer, and a protective layer disposed on the touch electrode; the protective layer includes a first region in which a first protective layer having a first refractive index is disposed, and a second region in which a second protective layer having a second refractive index different from the first refractive index is disposed; the second region is disposed to overlap at least one light-emitting element in a first direction; and a first boundary, which is a boundary surface between the first protective layer and the second protective layer, is inclined at a first angle with respect to the first direction.