Patent ID: 6128045
Filing Date: 2000-10-03
Classification: H04N

Abstract:
A flat-panel display device comprising:a display panel having a matrix array of pixels serving as a screen and a plurality of data signal lines formed to set potentials of the pixels of each row for displaying an image on the screen according to the potentials of the pixels; andcontrol means connected to receive a first video signal representing a first image and a second video signal representing a second image of an aspect ratio lower than that of the first image and for controlling the display panel such that the first image is displayed in a first display mode and the second image is displayed in a second display mode;wherein the control means includes,auxiliary video signal generating means for generating an auxiliary video signal representing an auxiliary image to be displayed on at least one side of the second image within the screen of the display panel in the second display mode, andsignal line driving means for driving the data signal lines according to sampling results obtained by sampling the second video signal and the auxiliary video signal during every horizontal scanning period for the second video signal, the auxiliary video signal being sampled in a horizontal blanking period included in the horizontal scanning period and not used for sampling the second video signal.