Digital-to-analog converter, data driver and display device...

Details Digital-to-analog converter, data driver and display device... Digital-to-analog converter, data driver and display device...

2006-12-05

2010-12-07

Jeanglaude, Jean B (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

C341S144000, C341S154000, C341S153000

Reexamination Certificate

active

07847718

ABSTRACT:
A digital-to-analog converter including includes a decoder which receives m (where m>=4 holds) reference voltages having voltage values that differ from one another, and selects and outputs n (where n>=3 holds) identical or different voltages from among the m reference voltages based upon a digital signal; and an amplifying circuit that outputs a voltage, which is obtained by taking the weighted mean of the selected n voltages at a ratio of 2n−1:2n−2: . . . :20, from an output terminal.

REFERENCES:
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patent: 6441763 (2002-08-01), Nakao
patent: 6535189 (2003-03-01), Akiyama et al.
patent: 6970122 (2005-11-01), Yilmaz et al.
patent: 7126518 (2006-10-01), Tsuchi
patent: 2007/0091052 (2007-04-01), Tsuchi
patent: 1612002 (A) (2005-05-01), None
patent: 2002-043944 (2002-02-01), None
T. Takeishi, Edited by Hisashi Hara, “Foundations of MOS Integrated Circuits,” Ultra LSA Introduction Series 5, p. 164, Figs. 5-39, Kindai Kagakusha, May 30, 2002.

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