Abstract: Provided is a display device. The display device includes a display panel, a first cover arranged on a first surface of the display panel, a display circuit board connected to the first surface of the display panel, and a gasket arranged on a surface of the display circuit board connected to the display panel, wherein the gasket includes a signal input portion, and the display circuit board includes a sensor configured to sense a signal which varies according to a distance between the signal input portion and the sensor.

Abstract: A display apparatus includes a transmission area at which an image of a background behind the display apparatus is visible from a front side thereof; a pixel area at which light is generated and emitted to display an image; a display unit in pixel areas, the display unit in the pixel area including: a light-emitting device which generates and emits the light, and a pixel circuit which is electrically connected to the light-emitting device; and an optical refractive layer through which both the image of the background and the light which is emitted from the pixel area are transmitted to outside the display apparatus. The optical refractive layer defines a plurality of minute holes in planar areas of the pixel area respectively corresponding to the light-emitting device and to a periphery of the light-emitting device.

Abstract: A display apparatus includes a transmission area at which an image of a background behind the display apparatus is visible from a front side thereof; a pixel area at which light is generated and emitted to display an image; a display unit in pixel areas, the display unit in the pixel area including: a light-emitting device which generates and emits the light, and a pixel circuit which is electrically connected to the light-emitting device; and an optical refractive layer through which both the image of the background and the light which is emitted from the pixel area are transmitted to outside the display apparatus. The optical refractive layer defines a plurality of minute holes in planar areas of the pixel area respectively corresponding to the light-emitting device and to a periphery of the light-emitting device.