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Originally Posted by FrustratedReader
Maybe it's rubbish.
However the underlying idea / technology has more potential to do a low power colour screen with ambient light than a coloured filter matrix on top of eink pixels (black balls in a milky white liquid).
I'd thought the reason for Mirasol's failure (one ereader screen in products by two Asian booksellers) was the double dip high royalty cost of dealing with Qualcomm (royalty on part plus they demand a percent of the product price ex-factory). Perhaps it just wasn't very good.
I do think the idea of video on it sounded more like typical Qualcomm hype than anything viable. It should have been OK for text with colour?
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I saw a Qualcomm presentation for a scheme to increase the number of mirasol gray levels. Afterwards, they let people hold and view the Korean mirasol ereader, which was very washed out and whose only virtues perceivable by me were video capability and it did not get even more washed out in direct sunlight. I also experienced some discomfort from what might be some mirasol equivalent to flicker, but I have never seen that mentioned by anyone else. Under questioning, the mirasol technical team did not give any indication that mirasol color saturation would ever be improved. This was a little after the release of the Korean mirasol product and I've seen nothing to indicate any progress has been made since. To me, under any conditions other than sunlight or bright daylight, I would much rather read backlit LCD than mirasol, and I do not like reading more than a few pages on backlit LCD.
I thought Clearink was among the last reflective color displays standing. I haven't seen Clearink yet, so I have no opinion on how good it is now or what its prospects are. It will be interesting to see how that pans out.