LG Creates First Colour Electronic Paper

May 15, 2007: The world of electronic paper has taken a giant leap forward this week, with South Korea’s LG unveiling the world’s first A4 sheet of colour electronic paper.

The flexible sheet of e-paper can display 4,096 colours, only uses power when the image changes and is a mere .03 millimetres thick.

The technology marks another leap forward for LG, who was the first to develop black and white e-paper in 2005. Like the black and white flexible display, the colour version uses a substrate that arranges Thin-Film Transistors (TFT) on metal foil rather than glass, allowing it to recover its original shape after being bent.

To create this new display, a colour filter coated onto the plastic substrate was added, allowing it to display colour images.

“The potential applications for this display are incredible and will allow our customers to create new products that are not only convenient to use but also save natural resources,” Chung In-Jae, chief technology officer and executive vice-president, said in the statement. “This represents the next generation in display technology.”

The colour e-paper is the next in a line of breakthroughs by LG in the field. In October 2005 LG.Philips LCD unveiled the world’s first 10.1-inch flexible E-paper display. The company followed it up with its 14.1-inch model in May 2006.

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