Silane coupling agents in the polymer coating layer resolve the contradiction between particle dispersibility and mobility by maintaining charge density.
A photoreceptor surface layer uses cross-linked guanamine and charge-transporting materials to stabilize image formation.
Copolymer particles with controlled reactive compound content deliver high refractive index for display whiteness while reducing dispersion viscosity.
An integrated printing engine applies selective electrophoretic coatings to prevent ink migration and improve rub resistance without adding device complexity.