a second display channel 1002 a third display channel 1003 a fourth display channel 1004 a fifth display channel 1005 and a sixth display channel 1006 the first display channel 1001 the second display channel 1002 and the third display channel 1003 are rotated by a predetermined angle about y axis of a global coordinate system the fourth display channel 1004 the fifth display channel 1005 and the sixth display channel 1006 are rotated by a predetermined angle about y axis of a global coordinate system the second display channel 1002 is tiled with the first display channel 1001 and the third display channel 1003 using the second mechanical tiling method respectively the fifth display channel 1005 is tiled with the fourth display channel 1004 and the sixth display channel 1006 using the second mechanical tiling method respectively the first display channel 1001 and the fourth display channel 1004 are tiled with the first mechanical tiling method the second display channel 1002 and the fifth display channel 1005 are tiled with the first mechanical tiling method the third display channel 1003 and the sixth display channel 1006 are tiled with the first mechanical tiling method as shown in fig1 b the tiled head mounted display according to the sixth embodiment of the present invention has a horizontal field of view of at.