Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2008-06-24
2008-06-24
Awad, Amr A. (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C345S209000
Reexamination Certificate
active
07391402
ABSTRACT:
A method for driving an In-Plane switching (IPS) mode LCD device is disclosed. The IPS mode LCD device includes gate and data lines crossing each other to define pixel regions; thin film transistors (TFTs) alternately positioned at lower and upper side pixel regions adjacent to the corresponding gate lines; and common lines of a zigzag type along the thin film transistors in the pixel regions. A common voltage is applied, wherein a first common voltage or a second common voltage is inversely applied to even numbered common lines or odd numbered common lines in one vertical period to be synchronized with a scanning signal supplied to the first gate line, and a gate Low voltage supplied to each gate line is classified into 2 levels, and inverted in synchronization with the common voltage, thereby improving the coupling of a pixel voltage on swing of a common voltage.
REFERENCES:
patent: 2001/0011981 (2001-08-01), Yamamoto et al.
patent: 6-35415 (1994-02-01), None
patent: 9-73065 (1997-03-01), None
Awad Amr A.
Birch & Stewart Kolasch & Birch, LLP
LG Display Co. Ltd.
Sim Yong
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