US Patent 10459548 Cover window and electronic device including same

An electronic device includes a processor and a housing having a first surface, a second surface, and a side surface. A touch screen display is exposed through a first area of the first surface. An optical sensor is disposed under a second area of the first surface that is adjacent to the first area. The optical sensor receives and/or emits an infrared ray. The first surface includes a substantially transparent glass layer, an opaque layer disposed between the glass layer and the second surface, and a color layer disposed between the opaque layer and the glass layer. The opaque layer includes an opening, a location and a size of which correspond to at least a portion of the optical sensor when viewed from the first surface. The optical sensor receives and/or emits the infrared ray through the opening, the color layer, and the glass layer.