Level shifter and flat panel display comprising the same

Details Level shifter and flat panel display comprising the same Level shifter and flat panel display comprising the same

2007-12-04

2007-12-04

Barnie, Rexford (Department: 2819)

Electronic digital logic circuitry

Interface

Logic level shifting

C326S062000, C326S063000, C326S080000, C326S081000, C326S083000, C327S108000, C327S109000, C327S333000

Reexamination Certificate

active

11170782

ABSTRACT:
A level shifter and a flat panel display comprising the same, with reduced power consumption. The level shifter includes: a first transistor to apply a first voltage to an output terminal in correspondence with a first input signal; a second transistor to apply a second voltage to an output terminal in correspondence with voltage applied between gate and source electrodes thereof; a third transistor to lower the voltage applied between the gate and source electrodes of the second transistor according to the first input signal; and a capacitor to keep the voltage applied between the gate and source electrodes of the second transistor to turn on the second transistor in correspondence with the second input signal.

REFERENCES:
patent: 4449066 (1984-05-01), Aoyama et al.
patent: 6259299 (2001-07-01), Ryu
patent: 6891422 (2005-05-01), Shin
patent: 7005909 (2006-02-01), Shin
patent: 7180356 (2007-02-01), Kanbara et al.
patent: 2004/0021496 (2004-02-01), Shin
patent: 2005/0179480 (2005-08-01), Shin

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