An electronic apparatus (10, 10c) comprising: a touch panel (110, 110c, 110d, 110e); a privacy protection layer placed adjacent to a surface of the touch panel (110, 110c, 110d, 110e); a first display panel (120, 120c, 120d, 120e) placed adjacent to a surface of the privacy protection layer facing away from the touch panel (110, 110c, 110d, 110e) and provided to reflect light of a first predetermined wavelength region among light incident on a point of the first display panel (120, 120c, 120d, 120e) corresponding to a touch input point of the touch panel (110, 110c, 110d, 110e) where a touch input has been received by the touch panel (110, 110c, 110d, 110e); a second display panel (130, 130c, 130d) placed adjacent to a surface of the first display panel (120, 120c, 120d) facing away from the privacy protection layer and provided to reflect light of a second predetermined wavelength region among light incident on a point of the second display panel (130, 130c, 130d) corresponding to a touch input point of the touch panel (110, 110c, 110d, 110e) where a touch input has been received by the touch panel (110, 110c, 110d, 110e); a communicator configured to receive color information to be applied to the first and second display panels (120, 120c, 120d, 120e, 130, 130c, 130d); a controller configured to control power applied to the first and second display panels (120, 120c, 120d, 120e, 130, 130c, 130d) on the basis of the color information received by the communicator, characterized in that the privacy protection layer includes cholesteric liquid crystal molecules and blackening materials, wherein the cholesteric liquid crystal molecules are arranged such that the cholesteric liquid crystal molecules are twisted at regular intervals and the blackening materials are within the twisted structure of the cholesteric liquid crystal molecules, and the privacy protection layer is configured to switch to a viewing angle adjustment mode by selectively reflecting light depending on a twisting direction and a repeating structure of the cholesteric liquid crystal molecules and the blackening materials according to an electric field applied to the privacy protection layer. a touch panel (110, 110c, 110d, 110e); a privacy protection layer placed adjacent to a surface of the touch panel (110, 110c, 110d, 110e); a first display panel (120, 120c, 120d, 120e) placed adjacent to a surface of the privacy protection layer facing away from the touch panel (110, 110c, 110d, 110e) and provided to reflect light of a first predetermined wavelength region among light incident on a point of the first display panel (120, 120c, 120d, 120e) corresponding to a touch input point of the touch panel (110, 110c, 110d, 110e) where a touch input has been received by the touch panel (110, 110c, 110d, 110e); a second display panel (130, 130c, 130d) placed adjacent to a surface of the first display panel (120, 120c, 120d) facing away from the privacy protection layer and provided to reflect light of a second predetermined wavelength region among light incident on a point of the second display panel (130, 130c, 130d) corresponding to a touch input point of the touch panel (110, 110c, 110d, 110e) where a touch input has been received by the touch panel (110, 110c, 110d, 110e); a communicator configured to receive color information to be applied to the first and second display panels (120, 120c, 120d, 120e, 130, 130c, 130d); a controller configured to control power applied to the first and second display panels (120, 120c, 120d, 120e, 130, 130c, 130d) on the basis of the color information received by the communicator, characterized in that the privacy protection layer includes cholesteric liquid crystal molecules and blackening materials, wherein the cholesteric liquid crystal molecules are arranged such that the cholesteric liquid crystal molecules are twisted at regular intervals and the blackening materials are within the twisted structure of the cholesteric liquid crystal molecules, and the privacy protection layer is configured to switch to a viewing angle adjustment mode by selectively reflecting light depending on a twisting direction and a repeating structure of the cholesteric liquid crystal molecules and the blackening materials according to an electric field applied to the privacy protection layer.