Abstract: In various embodiments, an antenna array may comprise a dielectric; a first patch antenna disposed on a first region of the dielectric; a second patch antenna disposed on a second region of the dielectric; and a ground layer including a first sub-ground layer in contact with a lower portion of the first region of the dielectric, a third sub-ground layer in contact with a lower portion of the second region of the dielectric, and a second sub-ground layer spaced apart from a lower portion between the first region and the second region of the dielectric.

Abstract: A flexible display device includes a flexible display panel configured to display an image; a driving module unit configured to transfer a driving signal to the flexible display panel and that is detachably fixedly coupled to at least a first side of the flexible display panel; and a panel bending unit coupled to at least a second side of the flexible display panel, wherein the panel bending unit includes a plurality of coupling parts fixedly coupled to the flexible display panel; and a plurality of joint parts between the plurality of coupling parts and having a hinged multi-jointed structure.

Abstract: An organic light emitting diode (OLED) display device includes: a display panel including a display area and a non-display area provided in an external side of the display area; a set frame disposed on a rear surface of the display panel and supporting the display panel; a side frame surrounding a side surface of the display panel and covering the non-display area; and a cover window covering the display area disposed in an inner space surrounded by the side frame.