Apparatus and method of driving active matrix liquid crystal dis

Details Apparatus and method of driving active matrix liquid crystal dis Apparatus and method of driving active matrix liquid crystal dis

1998-10-27

2000-08-15

Sikes, William L.

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

G09G 336

Patent

active

061043702

ABSTRACT:
A liquid crystal displaying apparatus has an active matrix liquid crystal display provided with a plurality of liquid crystal displaying devices arranged in a horizontal and a vertical direction to form a matrix. The apparatus further includes a horizontal driver provided along rows of the devices, a first vertical driver provided along the leftmost column of the devices and a second vertical driver provided along the rightmost column of the devices. The horizontal driver supplies video signals to the devices by scanning the devices left to right or right to left in a direction of the rows. The first vertical driver supplies control signals to the liquid crystal display to turn on the devices from the leftmost to the rightmost column of the devices when the horizontal driver scans the devices left to right in the direction of the rows. On the other hand, the second vertical driver supplies control signals to the liquid crystal display to turn on the devices from the rightmost to the leftmost column of the devices when the horizontal driver scans the devices right to left in the direction of the rows. The horizontal driver may include a first horizontal driving section provided along the uppermost row of the devices and a second horizontal driving section provided along the lowermost row of the devices. The first horizontal driving section scans the devices left to right in the direction of the rows or the second horizontal driving section scans the devices right to left in the direction of the rows in response to a selection signal.

REFERENCES:
patent: 5151689 (1992-09-01), Kabuto et al.
H. Asada et al, IEEE International Conference, vol. 39, "A 2.7in 1.3MPixel Driver-Integrated . . . ", pp. 190-191, Feb. 1996.

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