Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2006-10-10
2006-10-10
Mengistu, Amare (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C345S204000
Reexamination Certificate
active
07119782
ABSTRACT:
A display device is provided with a display controller, a source driver, and a liquid crystal panel, and two pairs of wirings are provided between the display controller and the source driver. The display controller is provided with a V-I conversion circuit for image data and a mode register, and the source driver is provided with an I-V conversion circuit for image data. The V-I conversion circuit for image data connects either one of a pair of the wirings to an earth electrode and sets the other one to a floating state based on the image data. The I-V conversion circuit for image data allows electric current to flow in the wiring out of a pair of the wirings, which is connected to the earth electrode, and converts the image data into a pair of complementary current signals to receive them. Further, the I-V conversion circuit for image data stops the current signal by a control signal from the mode register when the image data is not transmitted.
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Kumeta Masayuki
Sunohara Makoto
Tajima Akimitsu
Yamaguchi Masayuki
Foley & Lardner LLP
Mengistu Amare
NEC Electronics Corporation
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