A novel polymer-based bistable out-of-plane (OoP)-drive with electrothermal actuation for portable Braille area displays is presented. The drive consists of an OoP-actuator which moves a tactile Braille-pin out of the display surface and an in-plane (IP)-actuator which locks the pin position. The system is fabricated using UV-lithography of the epoxy based dry film photo resist SUEX. It has a small footprint of 10.7x2.5 mm~2 and is suited for a 2.5 mm Braille grid. A high OoP-deflection up to 580 μm at 125 mW power consumption is achieved.
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