05-23-2007, 11:21 PM | #1 | |
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E Ink reveals e-paper with video-switching speeds / iRex wins award
Until now e-paper technology has been as slow as a tortoise when it comes to updating the content of a screen. No good, thought the guys at E Ink Corp., and they came up with a plan to accelerate e-paper to video-switching speeds. The first results are being presented at the SID 2007 exhibit:
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PS: E Ink also gave iRex Founder Dr. Alex Henzen an award "in recognition of his contributions to the development of electrophoretic displays and the integration of these displays into an innovative electronic-book product" for his work on the iLiad e-book reader. |
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05-24-2007, 09:03 AM | #2 |
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I can wait several years. The tech I have now works ok. But it would be very cool to see something like this down the road -- say, on a Linux-based UMPC kind of format.
Where did that picture come from? I didn't see it in the article. |
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05-24-2007, 09:16 AM | #3 |
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Picture is from an official iRex presentation (the girls are holding an iLiad in their hands).
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05-24-2007, 09:58 AM | #4 |
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The screen is pretty white, if only it was true!
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05-24-2007, 12:23 PM | #5 |
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Great news! Really, it's too bad that the consumers will have to wait years to get their hands on the new device. But i guess that by that time, ebooks will be (almost) fully adopted.
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05-24-2007, 02:56 PM | #6 |
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I'm curious as to what effect video-refresh speeds will have on battery life (one of the big sellling points of e-ink).
If most of the battery savings over, say a 60Hz LCD come from the bistable nature of e-ink, what effect will updating the e-ink at 60Hz have? The crispness of the display might still be a benefit, but it sort of seems like this defeats the purpose of e-ink. (BTW, what's the correct way to write about the e-ink technology vs. E Ink, Inc?) |
05-24-2007, 03:09 PM | #7 |
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Video is 30fps, what refresh rate would that entail?
I'd think the power drain would be similar to the Iliad's. Drawing on it is displayed as you go, it must have some kind of 'video performance'. |
05-24-2007, 03:26 PM | #8 | |
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Quote:
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05-24-2007, 03:29 PM | #9 |
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E Ink is the correct way of spelling the company name. I tend to use the same spelling to describe the technology, but there others who use "e-ink" instead.
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05-24-2007, 03:37 PM | #10 |
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The way I write it 'eink' is quicker to type but it always looked like 'oink' at first.
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05-24-2007, 07:06 PM | #11 |
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Bingle, LCDs and electrophoretic displays both use electric potential to manipulate their media so they don't inherently use a lot of power. What consumes power is most LCDs are light valves that screen out ~95% of the light pumped through. That's where the real power consumption is. Electrophoretic, cholesteric several other display types are reflective so the use of photons is inherently more efficient.
With that said, if an E-Ink display were updated at 60Hz and compared to an LCD's power consumption (without counting the backlight), the LCD would probably win because data signals run about 1/2 to 1/3 the potential of electrophoretic displays. A digital wrist watch is an LCD but comparing the technologies gets complicated. |
05-25-2007, 08:00 AM | #12 |
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I would also think there's a difference between being able to display video and actually displaying video. Hopefully, if what you are doing is reading and perhaps some occasional annotation or sketching, the power usage would still be pretty low, but watching a video probably would drain the battery a lot more quickly.
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06-02-2007, 07:40 PM | #13 |
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Exactly, SpiritCat. But do remember advertising video sets people's expectations on usage and, subsequently, their habits.
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