Abstract: An electronic price and/or product display device (2), which comprises a reflective screen (21) for displaying information, and a signalling device (28) for signalling an internal state or a state change of the display device (2) by superimposing said state or state change in a visually perceptible manner directly in the viewing direction of the screen.

Abstract: A retail shelf floor divider or shelf floor limiter, which comprises mechanical coupling means which are arranged for coupling the retail shelf floor divider or shelf floor limiter to a further structure, in particular a shelf floor in order to divide the shelf floor in shelf floor sections or to limit it, and electronic detection means for the detection of movement in the neighborhood of the retail shelf floor divider or the shelf floor limiter, which are arranged to utilize an electromagnetic wave, preferred a radio wave, more preferred a light wave, or a sound wave for said detection.

Abstract: An electronic shelf label, which is arranged to be attached to a shelf, preferred to a shelf rail located at the front edge of a shelf floor, more preferred to form the shelf rail by itself and to be directly attached to the shelf floor, the electronic shelf label comprises: a display screen arranged on or as the front wall of the electronic shelf label to display content in the form of a still or video image, the display screen comprises a light source to provide a backlit for the display screen, and an illumination device, which is independently controllable form the light source and arranged to emit light from the electronic shelf label from a different wall than its front wall.

Abstract: An electronic price and/or product display device (2), which comprises a reflective screen (21) for displaying information, and a signalling device (28) for signalling an internal state or a state change of the display device (2) by superimposing said state or state change in a visually perceptible manner directly in the viewing direction of the screen.