Patent ID: 9236004
Filing Date: 2016-01-12
CPC Classification: G09G

Claim Text:
1. A liquid crystal display device that includes a display unit including: a plurality of video signal lines for transmitting video signals; a plurality of scanning signal lines arranged so as to intersect the plurality of video signal lines, and selected horizontal scanning period by horizontal scanning period; a plurality of pixel electrodes provided at respective intersections of the plurality of video signal lines and the plurality of scanning signal lines; and a plurality of auxiliary capacitance wiring lines arranged so as to intersect the plurality of video signal lines to form auxiliary capacitances with the plurality of pixel electrodes, and that displays an image based on an input signal on the display unit by applying the video signals to the plurality of video signal lines such that voltages determined based on the input signal representing gray scale values are provided to the pixel electrodes, the liquid crystal display device comprising: an output gray scale correction processing unit that determines second output gray scales associated with video signal voltages to be applied to the plurality of video signal lines, by correcting first output gray scales determined based on line data on a line-data-by-line-data basis, the line data being data for one horizontal scanning period included in the input signal, wherein when a horizontal scanning period during which the video signals are to be applied to the plurality of video signal lines based on line data subjected to a process of determining the second output gray scales is defined as a processing target horizontal scanning period, a horizontal scanning period immediately before the processing target horizontal scanning period is defined as a preceding horizontal scanning period, and a sum total of differences, for the plurality of video signal lines, between video signal voltages associated with second output gray scales determined based on line data for the preceding horizontal scanning period and video signal voltages associated with first output gray scales determined based on line data for the processing target horizontal scanning period is defined as a sum total of voltage differences, the output gray scale correction processing unit determines the second output gray scales by correcting the first output gray scales, based on the sum total of voltage differences.