Coded data generation or conversion – Analog to or from digital conversion – Digital to analog conversion
Reexamination Certificate
2007-09-11
2007-09-11
Young, Brian (Department: 2819)
Coded data generation or conversion
Analog to or from digital conversion
Digital to analog conversion
Reexamination Certificate
active
11340705
ABSTRACT:
A display driver circuit may include, a shift register configured to shift a first clock signal to generate at least one second clock signal, a digital-to-analog conversion unit configured to convert digital gray-scale data to an analog gray-scale signal, a first sample/hold output circuit configured to sample/hold the analog gray-scale signal in response to the at least one second clock signal, and configured to provide the sampled/hold analog gray-scale signal to a plurality of first channels in response to a first latch enable signal, and a second sample/hold output circuit configured to sample/hold the analog gray-scale signal in response to the second clock signal, and configured to provide the sample/hold analog gray-scale signal to a plurality of second channels in response to a second latch enable signal.
REFERENCES:
patent: 5614922 (1997-03-01), Kawaguchi et al.
patent: 6747626 (2004-06-01), Chiang
patent: 2004/0174283 (2004-09-01), Sun
patent: 2000-081920 (2000-03-01), None
patent: 2003-216109 (2003-07-01), None
patent: 2004-077743 (2004-03-01), None
patent: 2004-093774 (2004-03-01), None
Samsung Electronics Co,. Ltd.
Young Brian
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