Shift resister and liquid crystal display having the same

Details Shift resister and liquid crystal display having the same Shift resister and liquid crystal display having the same

2006-05-02

2006-05-02

Lefkowitz, Sumati (Department: 2675)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S098000, C345S559000, C377S064000, C377S081000

Reexamination Certificate

active

07038653

ABSTRACT:
In a shift register and an LCD having the same, the shift register includes stages having odd stages for receiving a first clock signal and even stages for receiving a second clock signal and all stages receive a control signal. Each of the stages includes a pull-up section for providing one of first and second clock signals to an output terminal, a pull-down section for providing a first power voltage to the output terminal, a pull-up driving section for turning on/off the pull-up section in response to the control signal, a first pull-down driving section for outputting a second control signal, and a second pull-down driving section for turning off the pull-down section in response to the input signal and turning on the pull-down section in response to the second control signal.

REFERENCES:
patent: 5859630 (1999-01-01), Huq
patent: 6300928 (2001-10-01), Kim

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