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Old 10-16-2008, 05:54 AM   #1
jonbaber
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KDDI Develops Colour, Wireless, E-Paper Display

Not sure if anyone has posted this little tid-bit of info:

http://techon.nikkeibp.co.jp/english...081014/159513/
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Old 10-16-2008, 06:21 AM   #2
sorareader
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The company used an electronic paper display that employs Brigdestone Corp's Electronic Liquid Powder technology and renders 4,096 colors. It takes about 12 seconds for the display to redraw the entire image on the screen.
Is this Liquid Powder technology e-ink? Twelve seconds to redraw the screen must be enough to make anyone lose his patience...
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Old 10-16-2008, 08:17 AM   #3
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Could it be this patent?

Quote:
We have developed new powder materials that exhibit liquid behavior, which can lead to the realization of novel bistable and reflective displays having paper-white appearance, high contrast, and quick response. Two types of display were demonstrated, one had 160 x 160 array of pixels and the other had 320 x 320 in a 3.1-in.-diagonal viewable image size corresponding to 66 and 132 dpi, respectively. These displays were driven by passive-matrix addressing. The displays showed a reflectivity of more than 41%, a contrast more than 1:10, and a pixel response time of less than 0.2 msec. The seven-segment display for use in clocks was also demonstrated.
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Old 10-17-2008, 01:37 AM   #4
Dylrob
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Quote:
Originally Posted by sorareader View Post
Is this Liquid Powder technology e-ink? Twelve seconds to redraw the screen must be enough to make anyone lose his patience...
Definitely not eInk. The color eInk prototypes that have been shown all refresh at about the same rate as the black and white displays.
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