DISPLAY DEVICE AND IMAGE DISPLAY METHOD
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United States of America Patent
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Issued Date -
Sep 17, 2015
app pub date -
Oct 18, 2012
filing date -
Oct 18, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In a display device, a signal level detection circuit detects RGB signal levels for each pixel from an image signal, and then a control circuit detects an area using a gray scale of a single color based on RGB signal levels for each pixel. A first color conversion circuit carries out an image correction on an image signal while a second color conversion circuit carries out another image correction-on an image signal. An H/V position control circuit extracts an image signal of an area detected by the control circuit from an image signal subjected to the image correction of the second color conversion circuit. An image superposition circuit superposes the image signal extracted by the H/V position control circuit with the image signal subjected to the image correction of the first color conversion circuit, thus displaying the superposed image signal on a display.
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