Image display device and method for driving the same

Details Image display device and method for driving the same Image display device and method for driving the same

2007-07-03

2007-07-03

Nguyen, Kevin M. (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S690000

Reexamination Certificate

active

10212452

ABSTRACT:
An image display device including a liquid crystal display panel is provided which is capable of achieving reduction of power consumption and EMI (Electromagnetic Interference) by lowering an amount of transfer of digital gray-scale data. To the liquid crystal display panel are connected a display controlling circuit, a scanning line driving circuit, and a signal line driving circuit. If input gray-scale data corresponding to a present line does not match gray-scale data corresponding to a previous line, gray-scale data is output and D/A (digital-analog) converted signal voltage is output. If both the gray-scale data are matched with each other, a matching signal is output to have D/A converted signal voltage be output.

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