Shift register for active matrix display devices

Details Shift register for active matrix display devices Shift register for active matrix display devices

1990-04-18

1992-04-14

Weldon, Ulysses

Communications: electrical

Visual indication

Movable

340784, 340800, 340801, G09G 336

Patent

active

051051877

ABSTRACT:
A select line scanner circuit for a display device has a plurality of register stages. The register stages each include first and second register segments and first and second latch circuit means which receive select signals and apply oppositely poled logic signals to the output nodes of the register stages. Voltage boosting means are associated with at lest one of the register stages to assure that the logic signals are applied at the proper levels.

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patent: 4748510 (1988-05-01), Umezawa
patent: 4766430 (1988-08-01), Gillette et al.
patent: 4963860 (1990-10-01), Stewart

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