Originally Posted by elemenoP
See that layer that says clear fluid? Why not make that the light source? And the white pigment capsules transparent.
OH DARN, I just gave away my idea without patenting it first! Let's keep it our secret, okay?
There is no clear fluid "layer". Each pixel consists of a capsule of black AND white pigment suspended in clear fluid. Making the white pigment transparent would just make the black pigment visible.