Display driving method to drive a display based on display data with respect to a display unit including pixel arranged at data and scan line intersections, and corresponding display driving device and display apparatus
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United States of America Patent
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May 30, 2017
Grant Date -
Jun 18, 2015
app pub date -
Dec 12, 2014
filing date -
Dec 16, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A display driving device performs display drive based on display data with respect to a display unit including pixels arranged at respective intersections of data lines and scanning lines. The device includes: a current setting unit configured to store current gradation values which are set for the respective scanning lines that constitute a frame of the display data; a current gradation control unit configured to, at each of scan timings for the respective scanning lines within one frame, generate a constant current corresponding to a current gradation value for a corresponding scanning line among the current gradation values stored in the current setting unit; and a data line driving unit configured to supply the constant current generated by the current gradation control unit to the respective data lines for time periods corresponding to pixel gradation values defined by the display data.
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