Construction of electrophoretic displays

Optical: systems and elements – Optical modulator – Light wave temporal modulation

Reexamination Certificate

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C345S107000, C204S600000

Reexamination Certificate

active

06987603

ABSTRACT:
An electrophoretic display (100) comprises a front light-transmissive substrate (112), a rear substrate (116) spaced from the front substrate (112) so as to leave a cavity, and an electrophoretic medium (102) in the cavity, the electrophoretic medium (102) comprising a liquid external phase (120) and a plurality of capsules (104) suspended in the liquid external phase (120), each of the capsules comprising a capsule wall, a suspending fluid (106) held within the capsule wall and at least one electrically charged particle (108, 110) suspended in the suspending fluid (106).

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