Dai Nippon Printing Co., Ltd. has introduced a transparent display screen that can be operated in a touchless format by moving a hand over a motion sensor, according to a press release. By removing the need to make direct contact with the cursor, the newly developed screen will be positioned as a countermeasure to the spread of COVID-19.

A liquid crystal light control film attaches to a transparent screen facilitating a variety of video expressions on a single screen, from standard displays to augmented reality driven effects, including those where vivid images appear to hang in the air.

The built-in motion sensor detects the movements of users and operators. Activating the liquid crystal light control film, which is integrated into the transparent screen, makes it possible to display clearer images.

Bringing the palm of the hand closer to the screen activates the sensor, which causes the cursor to appear. The cursor can then be maneuvered in a touchless format via hand movements, including clicking on screen buttons to set actions into motion by bending the index finger towards the screen.

Controlling the direction of the liquid crystal using electrical power makes it possible to block or transmit light with high precision, enabling the display of diverse and clear images.

The background can be viewed by making the integrated liquid crystal light control film transparent, then projecting an image upon it.

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