Light valve containing ultrafine particles

Details Light valve containing ultrafine particles Light valve containing ultrafine particles

1995-01-13

1997-07-22

Epps, Georgia Y.

Optical: systems and elements

Optical modulator

Light wave temporal modulation

G02B 2600

Patent

active

056508727

ABSTRACT:
An electro-optical device, such as a light valve, has a cell formed of opposed cell walls, a light-modulating unit comprising a suspension containing anisometric particles suspended in a liquid suspending medium between the cell walls, and opposed electrodes operatively associated with the cell walls for applying an electrical field across the suspension, the anisometrically shaped particles having an average particle size of about 0.1 microns or less.

REFERENCES:
patent: 3773684 (1973-11-01), Marks
patent: 4207841 (1980-06-01), Saxe
patent: 4407565 (1983-10-01), Saxe
patent: 4877313 (1989-10-01), Saxe et al.
patent: 5002701 (1991-03-01), Saxe
patent: 5030669 (1991-07-01), Hendrickson et al.
patent: 5104210 (1992-04-01), Tokas
patent: 5106533 (1992-04-01), Hendrickson et al.
patent: 5130057 (1992-07-01), Saxe
patent: 5326692 (1994-07-01), Brinkley et al.

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