E Ink Corporation and LG.Philips LCD have built a 10.1" flexible electronic paper display. The display will be shown at the FPD International trade show in Japan, attended by over 60,000 visitors each year.
Less than 300 microns thick, the paper-white display is as thin and flexible as construction paper. With a 10.1" diagonal, the prototype achieves SVGA (600x800) resolution at 100 pixels per inch and has a 10:1 contrast ratio with 4 levels of grayscale.
E Ink Imaging Film is a novel display material that looks like printed ink on paper and has been designed for use in paper-like electronic displays. Like paper, the material can be flexed and rolled. As an additional benefit, the E Ink Imaging Film uses 100 times less energy than a liquid crystal display because it can hold an image without power and without a backlight.
LG.Philips LCD and E Ink selected a steel foil material that could be supplied by Sumitomo Corporation in high volume and which was developed by Nippon Steel Corporation (5401.JP), the leading steel company in Japan. The flexible foil is a super-thin, extremely flat, high-performance steel that can easily withstand the high temperatures of a TFT production process.
Both materials were then combined to manufacture the display panel at an existing pilot TFT line in Korea. LG.Philips and E Ink jointly designed the display electronics and produced the final prototype to achieve the world's largest high-resolution flexible electronic paper display.