A display device comprising: a transparent plate ; and a first display panel disposed at a first surface of the transparent plate , the transparent plate positioned on a back side of the first display panel, a first transparent frame disposed at the first surface of the transparent plate and adjacent to the first display panel ; a first receiving portion formed at the transparent plate ; a slot formed at at least the transparent plate or the first transparent frame ; a first member layer (MBL) connected to a first side of the first display panel ; a first PCB (SP) connected to the first member layer (MBL) and positioned at the first receiving portion ; a first cable (SC) extending from the first PCB (SP) and inserted into the slot ; and a controller that does not overlap the first display panel in a front-back direction, wherein the display device further comprises: a second display panel at a second surface of the transparent plate ; a second transparent frame disposed at the second surface of the transparent plate and adjacent to the second display panel ; a second receiving portion formed at the transparent plate ; a second member layer (MBL) connected to a first side of the second display panel ; a second PCB (SP) connected to the second member layer (MBL) and positioned at the second receiving portion ; and a second cable (SC) extending from the second PCB (SP) and inserted into the slot , wherein the slot includes an opening to an outer surface of at least the transparent plate or the first transparent frame , wherein the first cable (SC) is bent, passes through the slot and is connected to the controller. a transparent plate ; and a first display panel disposed at a first surface of the transparent plate , the transparent plate positioned on a back side of the first display panel, a first transparent frame disposed at the first surface of the transparent plate and adjacent to the first display panel ; a first receiving portion formed at the transparent plate ; a slot formed at at least the transparent plate or the first transparent frame ; a first member layer (MBL) connected to a first side of the first display panel ; a first PCB (SP) connected to the first member layer (MBL) and positioned at the first receiving portion ; a first cable (SC) extending from the first PCB (SP) and inserted into the slot ; and a controller that does not overlap the first display panel in a front-back direction, wherein the display device further comprises: a second display panel at a second surface of the transparent plate ; a second transparent frame disposed at the second surface of the transparent plate and adjacent to the second display panel ; a second receiving portion formed at the transparent plate ; a second member layer (MBL) connected to a first side of the second display panel ; a second PCB (SP) connected to the second member layer (MBL) and positioned at the second receiving portion ; and a second cable (SC) extending from the second PCB (SP) and inserted into the slot , a second display panel at a second surface of the transparent plate ; a second transparent frame disposed at the second surface of the transparent plate and adjacent to the second display panel ; a second receiving portion formed at the transparent plate ; a second member layer (MBL) connected to a first side of the second display panel ; a second PCB (SP) connected to the second member layer (MBL) and positioned at the second receiving portion ; and a second cable (SC) extending from the second PCB (SP) and inserted into the slot , wherein the slot includes an opening to an outer surface of at least the transparent plate or the first transparent frame , wherein the first cable (SC) is bent, passes through the slot and is connected to the controller. <EOS>