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DISPLAY UNEVENNESS CORRECTION DEVICE, DISPLAY DEVICE, DISPLAY UNEVENNESS CORRECTION METHOD, AND METHOD FOR MANUFACTURING DISPLAY DEVICE
DISPLAY UNEVENNESS CORRECTION DEVICE, DISPLAY DEVICE, DISPLAY UNEVENNESS CORRECTION METHOD, AND METHOD FOR MANUFACTURING DISPLAY DEVICE
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机译:显示不平整装置,显示装置,显示不平整方法和制造显示装置的方法
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摘要
A display unevenness correction device (10A, 10B) used in manufacturing a liquid crystal display (40) provided with a liquid crystal panel (42) having a plurality of display pixels arranged in matrix form, wherein the display unevenness correction device is provided with: a luminance meter (20) for measuring luminance while the liquid crystal panel (42) is lighted and acquiring a luminance map indicating brightness at each position on a two-dimensional plane; a block luminance calculation unit (32) for dividing the luminance map into a plurality of first blocks and calculating, for each of the plurality of first blocks, block luminance, which is luminance representing the first block concerned, by using the luminance included in the first block concerned; an interpolation unit (33) for calculating a target luminance for each of the plurality of display pixels by using the corresponding block luminance; and a correction gain calculation unit (34) for finding, for each of the plurality of display pixels, a correction coefficient so that the luminance of the display pixel concerned approaches the corresponding target luminance.
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