Electrophoretic display device

Details Electrophoretic display device Electrophoretic display device

G - Physics

02

F

96/10, 31/134, 3

G02F 1/00 (2006.01) G02F 1/167 (2006.01) G03G 17/04 (2006.01)

Patent

CA 1147836

- 1 - ABSTRACT OF THE DISCLOSURE An electrophoretic display device which provides high contrast images and a stable suspending fluid is described. A white marking material such as titanium dioxide is suspended in a colloidal dispersion containing black colorant such as colloidal size iron oxide particles known as ferrofluids. Image formation is achieved electro- phoretically by selective application of an electric field across the imaging suspension.

348826

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