Display device having an improved voltage level converter...

Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix

Reexamination Certificate

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Details

C345S092000, C345S099000, C327S333000, C326S081000

Reexamination Certificate

active

06930666

ABSTRACT:
A display device has a driver including a level converter formed of polysilicon MISTFTs. The level converter includes first, second and third N-channel MISTFTs (NMISTFTs) and first, second and third P-channel MISTFTs (PMISTFTs). Gate and first terminals of the first NMISTFT and PMISTFT, and a gate terminal of the third PMISTFT are coupled to an input terminal via a capacitance. Second terminals of the second NMISTFT and PMISTFT, and a gate terminal of third NMISTFT are coupled to the input terminal via a capacitance. A first terminal of the third PMISTFT, and second terminals of the first NMISTFT and PMISTFT are coupled to a high voltage. A second terminal of the third NMISTFT, gate and first terminals of the second NMISTFT and PMISTFT are coupled to a low voltage. A second terminal of the third PMISTFT and a first terminal of the third NMISTFT are connected to an output terminal.

REFERENCES:
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patent: 6066975 (2000-05-01), Matano
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patent: 6580411 (2003-06-01), Kubota et al.
patent: 6686899 (2004-02-01), Miyazawa et al.
patent: 1202764 (1998-12-01), None

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