Electro-optical device and method of driving the same

Details Electro-optical device and method of driving the same Electro-optical device and method of driving the same

1995-02-13

1998-07-21

Hjerpe, Richard

Computer graphics processing and selective visual display system

Computer graphic processing system

Integrated circuit

345196, 345517, 345508, 345 92, 348792, G09G 500

Patent

active

057840733

ABSTRACT:
The method of fine gradation display by an electro-optical device with little influence by difference in elemental devices, is disclosed, which is an object of the present invention. In case of an active matrix electro-optical device, a visual gradation display can be carried out by digitizing an analog image signal externally supplied by means of binary notation, by temporarily storing the digital signal thus obtained, by outputting the digital signal to a circuit of next step in a proper order, and by controlling the output timing of the signal so as to output the signal to the active matrix electro-optical device, and whereby digitally controlling the time for applying voltage to a picture element.

REFERENCES:
patent: 4427979 (1984-01-01), Clerc
patent: 4559535 (1985-12-01), Watkins
patent: 4908710 (1990-03-01), Wakai et al.
patent: 5113181 (1992-05-01), Inoue et al.
patent: 5264839 (1993-11-01), Kanno et al.

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