Data line driver capable of generating fixed gradation...

Details Data line driver capable of generating fixed gradation... Data line driver capable of generating fixed gradation...

2007-03-27

2007-03-27

Pyo, Kevin (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C250S2140RC, C345S087000, C345S098000

Reexamination Certificate

active

11165263

ABSTRACT:
In a data line driver for driving data lines of a display apparatus including a data register adapted to sequentially latch video data signals in synchronization with latch signals, a data latch circuit adapted to latch all the sequential video data signals latched in the data register in synchronization with a strobe signal to generate digital output signals, a digital/analog converter adapted to convert the digital output signals of the data latch circuit into analog signals, and an output buffer adapted to apply the analog signals of the digital/analog converter to the data lines, the data latch circuit has a reset terminal adapted to receive a reset signal, so that the digital output signals of the data latch circuit are reset by the reset signal to fixed gradation data regardless of the strobe signal.

REFERENCES:
patent: 6977634 (2005-12-01), Kim et al.
patent: 2004/0032385 (2004-02-01), Park et al.
patent: 1 061 499 (2000-12-01), None
patent: 2001-060078 (2001-03-01), None

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