Patent ID: 8339513
Filing Date: 2012-12-25
Classification: G03B,G06F,G09G,H04N

Abstract:
1. A display apparatus comprising: a signal processing part which processes a video signal including at a peripheral area thereof a position determining pattern having a plurality of characteristics; a display part which displays a picture on the basis of the video signal processed by the signal processing part; a sensing part which senses the position determining pattern which is included in the video signal; and a control part which controls the signal processing part to adjust a position of the picture displayed on the display part and to position a center of the picture at a center of the display part, on the basis of a shift between a characteristic sensed by the sensing part among the plurality of characteristics of the position determining pattern and a predetermined reference characteristic; wherein the position determining pattern is two-dimensional and comprises parts with different brightness levels at regular intervals which change gradually going downward or rightward.