US Patent 12132979 Optical device

An optical device is provided. The optical device includes a main body; a display unit which includes a polarization layer and which is disposed on one surface of the main body; and a camera module which is disposed in the main body and which overlaps the polarization layer in an optical axis direction. A first region of the polarization layer overlapping the camera module in the optical axis direction blocks or reflects at least some incident light when the camera module is not operated.