Patent ID: 8686978
Filing Date: 2014-04-01
Classification: G09G

Abstract:
1. A video processing circuit which receives a video signal which designates voltage applied to a liquid crystal element for each pixel and regulates each voltage applied to the liquid crystal element on the basis of a corrected video signal, the circuit comprising: a boundary detecting section which detects a current frame boundary in a current frame of the video signal and a previous frame boundary in a previous frame of the video signal, the current frame boundary and the previous frame boundary being boundaries between first pixels in which the applied voltage designated by the video signal is lower than a first voltage and second pixels in which the applied voltage is equal to or higher than a second voltage, the second voltage being higher than the first voltage; and a correcting section which corrects the voltage applied to the liquid crystal element in the current frame corresponding to at least one of the first pixels and the second pixels in positions where the current frame boundary is different compared to the previous frame boundary by one pixel to correct the input video signal in a direction where a transverse electric field generated in the first pixels and the second pixels is reduced, wherein in a case where the first pixels and the second pixels in the positions between which the portion which moves from the boundary of the previous frame by one pixel is interposed, within the boundary of the current frame, are all second pixels in the previous frame, the correcting section excludes the first pixels and the second pixels in the positions between which the portion is interposed, from a correction target.