A dynamic display keyboard and a key for use in a dynamic display keyboard

The invention relates to a dynamic display keyboard comprising a plurality of key elements, each key element comprises a transmitting part capable of transmitting at least a part of light incident on the transmitting part; a mat comprising a plurality of elevated elements capable of providing a tactile feedback and providing passage of light through the elevated elements; wherein each key element is fixedly connected to at least one respective elevated element; an optical element for each key element; wherein each optical element is adapted to focus an incident light beam onto a transmitting part; at least one display unit capable of providing light to the plurality of transmitting parts via the optical element; and wherein the light provided to a transmitting part defines a visual value of the corresponding key element.; In this way, the keyboard is dynamic and further is able to provide a tactile feedback in response to a user action directed towards a key of the keyboard.