LG has developed the first color E-paper flexible LCD panel. At 14 inches, it isn’t very small, but they are less than 300 micrometers thin. Wow. What also makes this panel unique is the energy efficient aspect of it. According to the press release, “These displays are extremely energy efficient, only using power when the image changes. …The images displayed are comparable in quality to printed pages.”
With this kind of technology coupled with inking, Tablet PCs could take on a whole new meaning.
Steve S, GBM reader, has started a thread in our forums discussing this announcement and its implications. Post your comments and discuss here.
Seoul, Korea (May 13, 2007) – LG.Philips LCD [NYSE: LPL, KRX: 034220], a leading innovator of thin-film transistor liquid crystal display (TFT-LCD) technology, announced today that it developed the world’s first 14.1-inch flexible color E-paper display, equivalent in size to an A4 sheet of paper. This is a second breakthrough in E-paper for LG.Philips LCD, which introduced the world’s first 14.1-inch black and white flexible E-paper display in May 2006.
The 14.1-inch flexible color E-paper uses electronic ink from E-Ink Corp. to produce a maximum of 4,096 colors. It can be viewed from a full 180 degrees, so that images always appear crisp, even when the display is bent.
Like the black and white flexible display, the color 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. This model includes a color filter coated onto the plastic substrate, allowing it to display color images.
LG.Philips LCD’s use of metal foil and plastic substrate rather than glass substrate makes the flexible color E-paper display bendable and durable while maintaining excellent display qualities.
To make this new display possible the company developed proprietary processing technology that minimizes panel deformation and prevents circuit structure change during high-temperature processes. LG.Philips LCD focused on the designs of the color filter structure and TFT, as well as color filter lamination technology. This allowed them to overcome processing difficulties inherent in the lack of heat resistance in metal foil and plastic substrates.
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