Holographic fans are types of displays that produce a 3-dimensional image seemingly floating in the air using the principle of POV (Persistence of Vision), using strips of RGB LEDs attached to the blades of the fan and a control-unit lighting up the pixels. As the fan rotates the display produces a full picture. In a time where augmented reality applications have risen to great popularity, there is a void for Augmented Reality (AR) effect. With a holographic fan, this can be achieved without any gadgets on the observer. These kinds of holographic fans are useful for advertisement and/or advisory purposes in public areas, as examples of shopping malls, airports, fares or other public buildings and also to create awareness.
Key words: Holographic fan, Persistence of vision, Augmented Reality
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