Communications of the ACM
Printing Paper-Thin, Touch-Sensitive Displays
Researchers say the 'Screen Printing' display could be printed on paper, furniture, or wearable items.
Credit: Factor
Computer scientists in Saarland University's Embodied Interaction research group say they have developed inexpensive technology that eventually could enable users to print paper-thin and touch-sensitive displays on all types of materials. For example, the researchers have demonstrated a postcard depicting an antique car, with two segments on a flexible display, and the back axle and steering wheel rim light up when a button is pressed. Printed with an off-the-shelf printer, the postcard is electro-luminescent and emits light when connected to electric voltage, similar to a car dashboard. The process involves designing a digital template with programs such as Microsoft Word or PowerPoint for the display, and using the team's technology to print the templates.
The researchers say their method can be used to print and integrate displays on everything from furniture and decorative accessories to bags and wearable items. They say one possible application is a wristwatch strap that lights up when a text message is received.
"If we combine our approach with 3-D printing, we can print three-dimensional objects that display information and are touch-sensitive," says Saarland researcher Jurgen Steimle.
From Saarland University
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