A transparent display device includes an image display bar in which a plurality of light-emitting elements are arranged, and a bar driving unit which moves the image display bar along a predetermined path and provides transparent display using afterimages resulting from the movement of the light-emitting elements, wherein the transparency of the transparent display using afterimages is determined by the equation, transparency (%)=((A−B)/A)*100, where A denotes the entire display area of the transparent display, and B denotes the area of the image display bar.

A display device includes a module housing accommodating a display panel pulled up and down, a moving plate accommodated in the module housing and pulled up and down with the display panel, a driving member pulling up and down the moving plate and the display panel, and a fixed plate coupled to the inside of the module housing and to which the driving member is fixed.

A signage display system configured to be mounted to a surface and to support an interchangeable display panel and provide backlighting thereto. A pair of brackets mount the system to a surface or a frame which in turn is mounted to a surface, such as a door using a pair of over-door hooks. A lighting unit is configured to be rotatably mounted to the brackets, the lighting unit having a plurality of light sources. A display unit is configured to be rotatably mounted to the brackets, the display unit including an interchangeable display panel having indicia for display provided thereon that is configured to be backlit by the light sources of the lighting unit. The system configured to easily roll up the lighting unit and the display unit for easy removal from the system, storage, transportation, to simply to access the surface on which the system is mounted.

A display device may include a module housing accommodating a display panel pulled up and down, a moving plate accommodated in the module housing and pulled up and down with the display panel, a driving member pulling up and down the moving plate and the display panel, and a fixed plate coupled to an inside of the module housing and to which the driving member is fixed.

A transparent display device includes an image display bar in which a plurality of light-emitting elements are arranged, and a bar driving unit which moves the image display bar along a predetermined path and provides transparent display using afterimages resulting from the movement of the light-emitting elements, wherein the transparency of the transparent display using afterimages is determined by the equation, transparency (%)=((A−B)/A)*100, where A denotes the entire display area of the transparent display, and B denotes the area of the image display bar.

An apparatus for the display of orders, especially suited for use in restaurants, commercial kitchens and the like, includes a holder element for receiving and releasably retaining an order, and an element upon which a plurality of said holder element can be releasably mounted for display, as well as for display, as well as for selective and controlled movement therealong. The holder mounting element may be in the form of either an elongate member or rail or a continuous loop.

A signage display system configured to be mounted to a surface and to support an interchangeable display panel and provide backlighting thereto. A pair of brackets mount the system to a surface or a frame which in turn is mounted to a surface, such as a door using a pair of over-door hooks. A lighting unit is configured to be rotatably mounted to the brackets, the lighting unit having a plurality of light sources. A display unit is configured to be rotatably mounted to the brackets, the display unit including an interchangeable display panel having indicia for display provided thereon that is configured to be backlit by the light sources of the lighting unit. The system configured to easily roll up the lighting unit and the display unit for easy removal from the system, storage, transportation, to simply to access the surface on which the system is mounted.