Four color display device and method of converting image signal thereof
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United States of America Patent
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Nov 6, 2012
Grant Date -
Apr 15, 2010
app pub date -
Mar 26, 2009
filing date -
Oct 14, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
One or more embodiments of the present invention relate to a four color image display device. A display device according to an exemplary embodiment of the present invention includes a first pixel adapted to display a first color, a second pixel adapted to display a second color, a third pixel adapted to display a third color, and a white pixel adapted to display a first white. In one aspect, the first to third pixels are adapted to display a second white in combination, and a ratio of the first white and the second white varies according to a gray. Accordingly, a greenish phenomenon of a low-luminance white light in a four color display device may be reduced.
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