TN-MODE LIQUID CRYSTAL DISPLAY DEVICE
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United States of America Patent
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Issued Date -
Apr 3, 2014
app pub date -
Sep 19, 2013
filing date -
Sep 28, 2012
priority date (Note) -
Abandoned
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Abstract
A TN-mode liquid crystal display device, which exhibits reduced grayscale inversion and improved white luminance, including: in sequence, a first polarizer, a first retardation film, a first liquid crystal cell substrate, a TN-mode liquid crystal layer, a second liquid crystal cell substrate, a second retardation film, and a second polarizer, wherein the absorption axis of the first polarizer is orthogonal to the absorption axis of the second polarizer, the slow axis of the first retardation film tilts by about 45° from the absorption axis of the first polarizer, the slow axis of the second retardation film tilts by about 135° from the absorption axis of the second polarizer, the slow axis of the first retardation film is orthogonal to the slow axis of the second retardation film, the first retardation film and the second retardation film have the same Re(550), and the first retardation film has a Re(550) of 5≦Re(550)≦55.
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