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Electronic Window Shades | |||||||||||||||||
I've heard of using LCDs to filter light through windows, but the image through the window still remains sharp. How about including a layer that scatters light when powered? You get the privacy of shades, but without the reduction of light. Add an infrared receiver, and you can automatically darken the room when you turn on your TV by remote.
MikeMol, Sep 13 2004
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Sounds extremely expensive.
To be honest, I don't know anything about the manufacture process of LCDs, but I suspect a major part of the cost is in including the circuitry for millions of individual cells. (At 1280x1024, you have over a million pixels, with three colors each.)
A full window shouldn't require many cells; the window should be a contigous shade, so mutiple cells should only be required for signal propagation.
They have them, at least in experimental stages.