Image display device
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United States of America Patent
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Nov 3, 2015
Grant Date -
Oct 1, 2009
app pub date -
Jan 14, 2009
filing date -
Mar 27, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
To provide an image display device having a circuit for solving burning phenomenon without increasing the size of the circuit. An image display device is provided having a display unit formed using display devices, a signal line for inputting a display signal voltage to the display unit, and a display control unit for controlling the display signal voltage, the image display device comprising a detection power source, a switch for causing a current of the detection power source to flow to the display device, a detection circuit for detecting the current, and a detection information storage circuit for storing information, and compensating the display signal voltage, using the information, wherein using a first reference voltage, and current detection is carried out, the detection circuit feeds back the current detected to set a second reference voltage different from the first reference voltage, and carries out current detection.
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