Test method of liquid crystal display panel
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United States of America Patent
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Sep 3, 2013
Grant Date -
Mar 15, 2012
app pub date -
Sep 9, 2010
filing date -
Sep 9, 2010
priority date (Note) -
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Abstract
A test method of a liquid crystal display panel is provided. The liquid crystal display panel includes a plurality of pixels and a testing pad. The pixels are disposed at intersections between a first, a second, and a third data lines and a plurality of scan lines. In the test method, each of the scan lines is driven to connect liquid crystal capacitors of the pixels to the first, the second, and the third data lines. A first and a second test voltages are respectively supplied to the first and the second data lines, wherein the first test voltage is not equal to the second test voltage. The first data line is floated. The floated first data line is measured through the testing pad to determine whether the liquid crystal capacitors of the pixels electrically connected to the first and the second data lines are electrically connected with each other.
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