Given the abundance of cheap eink book readers, price tags etc on the market, cost doesn't seem to be a problem. OTOH the limitations of the technology - in particular, the contrast and the refresh rate - and how expensive large screens get, prevents it from expanding into more niches.
Perhaps if there were no patent, there'd be more third-party research to improve all these things faster. But as far as adoption of the existing stuff goes, I don't see how license costs are a direct blocker.
Perhaps if there were no patent, there'd be more third-party research to improve all these things faster. But as far as adoption of the existing stuff goes, I don't see how license costs are a direct blocker.