Displays

Soon you could have access to secret information just by waving your hand, writes Sandrine Ceurstemont, editor, New Scientist TV. New digital signage allows you to decode invisible images by quickly moving your fingers in front of the screen.

Global shipments of TVs based on active matrix organic light emitting diode (AMOLED) technology are expected to reach 2.1 million units in 2015, up from just 34,000 in 2012, according to market analyst IHS iSuppli.

Sony has developed a self-emitting display technology, dubbed Crystal LED Display, which it demosntrated in a full HD, 55-inch prototype model at the International Consumer Electronics Show (CES) in Las Vegas, writes Richard Wilson.

Were we not promised super-thin bendable, flexible and rollable organic LED (OLED) displays? Phones like Samsung's Galaxy and HTC's Desire have shown us that the rigid versions can deliver stunning images. So where are those flexies?

LEDs use a DC supply, making them simpler to drive, there is no inverter, which improves efficiency, and their power consumption varies nearly linearly with brightness, simplifying power management. As a result the majority of small to medium displays are now fitted with them, writes Mike Caddy, displays product manager RS Components.