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The E-Ink consists of positively charged white particles and negatively charged black particles. By applying an electric field between the layers of the screen you can make "pixels" black or white.
black partice (negative charge): x
white particle (positive charge): o
Screen cross section (screen shows black from front and white from behind):
------------------------------Positive Charge
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
oooooooooooooooooooooooooo
------------------------------Negative Charge
Screen cross section (screen shows white from front and black from behind):
------------------------------Negative Charge
oooooooooooooooooooooooooo
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
------------------------------Positive Charge
By applying different charges to each individual pixel (or better call it cell) "-" a picture can be created which will look inverted when viewed from the inside of the iLiad.
Now the interesting part is probably creating positively and negatively charged particles. I assume that this process is tricky and that under certain circumstances a charge inversion of some particles can occur. Does anybody know more about this?
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