Display device

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2004-12-07

2008-10-28

Sugarman, Scott J. (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C349S033000

Reexamination Certificate

active

07443562

ABSTRACT:
A display device includes a porous body impregnated with electroendosmosis liquid, a transparent plate which is opposed to the porous body with a space intervening therebetween and is provided on its side facing the porous body with a light diffusive reflection surface and on the other side opposite to the one side with a light transmission surface, and an electric field forming system which forms an electric field acting on the electroendosmosis liquid and controls whether the electroendosmosis liquid is brought into contact with the light diffusive reflection surface by changing the electric field to selectively move the electroendosmosis liquid toward the porous body or the space.

REFERENCES:
patent: 4419663 (1983-12-01), Kohashi
patent: 2004/0094422 (2004-05-01), Pullen et al.
patent: 55-70820 (1980-05-01), None
patent: 55069126 (1980-05-01), None
patent: 55070820 (1980-05-01), None
patent: 60006928 (1985-01-01), None
Tadao Kohashi and Toshiharu Kurosawa, “Electroosmotic Display Device”, IEEE Transactions On Electron Devices, vol. 38, No. 9, Sep. 1991, 2064-2069.

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