VIDEO PROCESSING METHOD, VIDEO DISPLAY DEVICE AND ITS TIMING CONTROLLER
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United States of America Patent
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Issued Date -
Feb 5, 2009
app pub date -
Jul 29, 2008
filing date -
Jul 30, 2007
priority date (Note) -
Abandoned
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Abstract
Video processing method, a video display device and its timing controller can support video signals having different types of resolutions from ones set in advance without a special circuit identifying the resolution. Timing controller of video display device generates a first horizontal reference signal (HRST_start) indicating start of an active period of a data enable signal and a second horizontal reference signal (HRST_end) indicating end of the active period from an input video signal. Next, timing controller generates control signals (HSP, STB, POL, VCK, and VOE) based on the number of clocks from the rise of the first and second horizontal reference signals (HRST_start and HRST_end) and on signal generation timing values (α, A to D) predetermined for each control signal supplied to drivers.
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