SUB-PIXEL CURRENT MEASUREMENT FOR OLED DISPLAY
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United States of America Patent
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N/A
Issued Date -
Oct 30, 2008
app pub date -
Jan 23, 2008
filing date -
Apr 24, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An active matrix drive system drives an emissive display device such as an organic light-emitting diode display and is configured to measure sub-pixel current in the emissive display device. One or more power column power lines of the emissive display device are turned off while sub-pixel current is measured. As a result, the sub-pixel current is relative large compared to the background current of the emissive display device, which facilitates accurate measurement of the sub-pixel current.
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