Digital-to-analog converting circuit with transistors having...

Details Digital-to-analog converting circuit with transistors having... Digital-to-analog converting circuit with transistors having...

2005-03-22

2005-03-22

JeanPierre, Peguy (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

With particular solid state devices

C341S172000

Reexamination Certificate

active

06870493

ABSTRACT:
An digital-to-analog converting circuit of a display, used for a current-type data driver. The digital-to-analog converting circuit is characterized in that the ratio of channel-width to channel-length (W/L) for each transistor thereof is identical, such that no deviation occurs to the current of data output.

REFERENCES:
patent: 5028822 (1991-07-01), Hughes
patent: 5177450 (1993-01-01), Lee et al.
patent: 5798723 (1998-08-01), Fong
patent: 5952948 (1999-09-01), Proebsting
patent: 20020135406 (2002-09-01), Hossain et al.
patent: 20030025120 (2003-02-01), Chang

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