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Method for Grayscale Rendition in Am-Oled

  • US 20080211749A1
  • Filed: 04/19/2005
  • Published: 09/04/2008
  • Est. Priority Date: 04/27/2004
  • Status: Abandoned Application
First Claim
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1. Method for displaying an image in an active matrix organic light emitting display comprising a plurality of cells, a data signal being applied to each cell for displaying a grayscale level of a pixel of the image during a video frame, wherein the video frame is divided into N consecutive subframes, with N≧

  • 2, and in that the data signal of a cell comprises N independent elementary data signals, each of said elementary data signals being applied to the cell during a subframe and the grayscale level displayed by the cell during the video frame depending on the amplitude of the elementary data signals and the duration of the subframes and the duration of the subframes is increasing from the first subframe to the last subframe of the video frame and, for each grey level, the amplitude of the elementary data signals is decreasing from the first subframe to the last subframe of the video frame.

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