Taiwan-based Polo Tech, which claims a patent on rotating LED fan display technology, has plans for a USB-programmable model, although the release date is undecided, company representative Alice Wang said at Computex in Taipei. Users will be able to use an internal USB connection and software to change the fan display in real time to show their name, or any other text or simple graphics.

The fans generate the display with a rotating stick of circuit board with a vertical line of LEDs on it. This is mounted on the fan’s axis, and spins as the fan spins. Polo Tech’s driver IC can also handle simple animation, and even colour changes, given suitable LEDs. The IC also handles the precise timing calculations required to keep the display steady.
via: The inquirer, Dunya Senindir

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