Micro-valve pump light valve display

Details Micro-valve pump light valve display Micro-valve pump light valve display

1991-01-15

1993-01-19

Oberley, Alvin E.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

359228, G09G 334

Patent

active

051810166

ABSTRACT:
A flat panel display incorporates a plurality of micro-pump light valves (MLV's) to form pixels for recreating an image. Each MLV consists of a dielectric drop sandwiched between substrates, at least one of which is transparent, a holding electrode for maintaining the drop outside a viewing area, and a switching electrode from accelerating the drop from a location within the holding electrode to a location within the viewing area. The sustrates may further define non-wetting surface areas to create potential energy barriers to assist in controlling movement of the drop. The forces acting on the drop are quadratic in nature to provide a nonlinear response for increased image contrast. A crossed electrode structure can be used to activate the pixels whereby a large flat panel display is formed without active driver components at each pixel.

REFERENCES:
patent: 3516185 (1968-07-01), Hilborn
patent: 4418346 (1983-11-01), Batchelder
patent: 4569575 (1986-02-01), Le Pesant et al.
patent: 4636785 (1987-01-01), Le Pesant
patent: 4701021 (1987-10-01), Le Pesant et al.
patent: 4875064 (1989-10-01), Umeda et al.

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