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IMAGE DISPLAY DEVICE AND IMAGE DISPLAY METHOD

  • US 20100156926A1
  • Filed: 12/10/2009
  • Published: 06/24/2010
  • Est. Priority Date: 12/22/2008
  • Status: Abandoned Application
First Claim
Patent Images

1. An image display device, comprising:

  • a display control section decomposing each frame of input image into a plurality of field images, and variably controlling display sequence of the field images within each frame period; and

    a display section time-divisionally displaying the field images through use of a field sequential method in accordance with the display sequence controlled by the display control section,wherein the display control section includesa signal analyzing section analyzing color components of each frame of the input image, and obtaining a signal level of each of a plurality of color component images which are to be acquired through decomposing each frame of the input image,a fundamental-image determination section calculating a luminance level with consideration for a visibility characteristic for each of the color component images based on the signal level of each of the color component images obtained by the signal analyzing section, and determining to employ, as a fundamental image, a color component image having a highest or second highest luminance level,a signal output section obtaining a differential image by subtracting a color component of the fundamental image from each frame of the input image, decomposing the differential image into a plurality of color components, dividing each of decomposed color components into two to produce half-divided differential images each configured of half-divided color components, and then selectively outputting, as the field images, the half-divided differential images and the fundamental image to the display section, andan output-sequence determination section controlling output sequence of the field images to be outputted from the signal output section, so as to allow the fundamental image to be displayed by the display section at a middle timing of one frame period, and so as to allow the half-divided differential images to be displayed by the display section at timings before and after the middle timing for the fundamental image so that a half-divided differential image with higher luminance level with consideration for visibility characteristic is displayed at a timing closer to the timing for the fundamental image.

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