Gyricon display with no elastomer substrate

Details Gyricon display with no elastomer substrate Gyricon display with no elastomer substrate

1996-09-13

1998-10-20

Ben, Loha

Optical: systems and elements

Optical modulator

Light wave temporal modulation

345107, 427212, G02B 2600

Patent

active

058255290

ABSTRACT:
A gyricon or twisting-ball display in which optically anisotropic particles, such as bichromal balls, are disposed directly in a working fluid, such as a dielectric liquid, without an elastomer substrate or other cavity-containing matrix. The display apparatus has an optically transmissive viewing surface, behind which the working fluid is disposed with the particles in it. The particles are arranged in a closely packed stable arrangement in which neighboring particles tend to keep one another in place. For example, the particles can be arranged in a hexagonally packed monolayer. The working fluid does not substantially constrain the particles to remain in the stable arrangement, notwithstanding the direct contact of the fluid with the particles.

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