Peripheral driver circuit of Liquid crystal electro-optical devi

Details Peripheral driver circuit of Liquid crystal electro-optical devi Peripheral driver circuit of Liquid crystal electro-optical devi

1995-08-08

1999-09-07

Mengistu, Amare

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 98, 345211, 345213, G09G 336

Patent

active

059493976

ABSTRACT:
In a peripheral driver circuit of a liquid crystal electro-optical device is comprised of a shift register circuit arranged by a plurality of registers, and a circuit for supplying power to each register. When an input signal is entered into an nth register, a supply of power to at least a portion of registers other than the nth register is stopped. The shift register circuit is constructed of a P-channel type TFT and a resistor. The circuit for supplying the power controls the supply of power to the shift register by using the output of the shift register circuit. This circuit for supplying the power is arranged by a P-channel type TFT and a resistor. The consumption power of the circuit for supplying the power is equal to and lower than that of the shift register circuit.

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