With the smartphone industry rapidly pivoting into bezel-less display territory, one major problem starts to arise: where are all those front-facing sensors supposed to go? Right now, there’s several courses of action: either leaving some minimal bezel above the screen, or shoving them under it instead.
Or — as the Essential Phone proved and the OLED iPhone will reiterate — you can also slice off a portion of the top of the display and dedicate it to the front camera, earpiece, and whatever other sensors you think are necessary.
But … – Source