A CDE Definition
A bistable LCD screen that retains its image without power. Cholesteric LCDs use nematic liquid crystal molecules in a layered, spiral formation (chiral nematic), and power is only required to change the image. An advantage of most cholesteric screens over the common nematic LCD is that they can be viewed in bright sunlight. They can also be made on flexible plastic rather than glass. See liquid crystal and LCD.
Write, Retain and Erase
A Cholesteric Readout
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