Local company that caught my eye a few years back. Like a lot of technologies, their flexible displays seem to be very popular in common applications that need zero power image retention, they just aren't the high-end attention grabbing handset/tablet markets.

http://www.kentdisplays.com/technology/reflextechnology.html
Kent Displays to boost capacity for flexible LCDs that go into Boogie Board eWriters
The company said the new production line will manufacture flexible Reflex No Power LCDs used in the popular Boogie Board eWriters sold by Improv Electronics, the consumer products subsidiary of Kent Displays.
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