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US Patent 7271789 Liquid crystal display panel and driving method therefor

Patent 7271789 was granted and assigned to HannStar Display Corporation on September, 2007 by the United States Patent and Trademark Office.

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Current Assignee
HannStar Display Corporation
HannStar Display Corporation
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7271789
Patent Inventor Names
Po Sheng Shih0
Seok Lyul Lee0
Date of Patent
September 18, 2007
Patent Application Number
10790824
Date Filed
March 3, 2004
Patent Primary Examiner
‌
Richard Hjerpe
Patent abstract

A liquid crystal display panel includes an active matrix substrate having a plurality of thin film transistors. The active matrix substrate comprises a plurality of parallel scanning lines and a plurality of parallel data lines, which cross mutually and form a plurality of pixels. Each of the pixels includes the first thin film transistor, the second thin film transistor, a control electrode (CE) and a pixel electrode. The first electrode of the first thin film transistor is connected to the data line; the second electrode of it is connected to the pixel electrode; the gate electrode of it is connected to the scanning line. The first electrode of the second thin film transistor is connected to another adjacent data line; the second electrode of it is connected to the control electrode, and the gate of it is connected to another adjacent scanning line. The scanning signals driving the pixel allows the control electrode and the pixel electrode to be written into their potentials during two horizontal scanning periods or during a vertical scanning period respectively.

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