Patent ID: 7995016
Filing Date: 2011-08-09
Classification: G02F,G09G

Abstract:
1. A display comprising: a first display portion; a second display portion; a driver circuit driving said first display portion and said second display portion; a plurality of first signal lines supplying a signal output from said driver circuit to said first display portion while partially serving also as a signal line for supplying another signal output from said driver circuit to said second display portion; a first switching circuit provided on said second display portion for switching said signal for said second display portion supplied through part of said first signal lines by time sharing; a plurality of second signal lines for supplying said signal for said second display portion switched by said first switching circuit to said second display portion; and a second switching circuit provided on said first display portion for switching said signal output from said driver circuit by time sharing and supplying switched said signal to said first signal lines, wherein said driver circuit alternately repeats an operation of supplying said signal for said second display portion to part of said first signal lines by said second switching circuit provided on said first display portion while switching said signal for said second display portion supplied through said part of said first signal lines with said first switching circuit provided on said second display portion and supplying switched said signal to said second signal lines and another operation of switching said signal for said first display portion with said second switching circuit provided on said first display portion and supplying switched said signal to said first signal lines while turning off said first switching circuit provided on said second display portion when displaying image data on said first display portion and said second display portion.