Patent ID: 9740450
Date: 2017-08-22
CPC Classifications: G06F,G09G

Claim:
1. An image display device comprising: a display unit that includes a plurality of display lines; a detection circuit that detects a predetermined position information signal output from another image display device; an image data input unit that receives image data including data for each display line; and an image data transmission switching circuit that switches a transmission order of the data for each display line in accordance with a detection result by the detection circuit, and transmits to the display unit the image data including the data for each display line whose transmission order is switched, wherein the display unit displays the transmitted image data, wherein the detection circuit judges whether the image display device is installed at an odd-numbered level or at an even-numbered level by detecting presence of an input of the predetermined position information signal, the image display device further comprises: wherein the image data transmission switching circuit switches the transmission order in accordance with whether the image display device is installed at the odd-numbered level or at the even-numbered level.