Patent ID: 8493521

Claim:
A switchable two dimensional/three dimensional display (2D/3D display), suitable for being viewed by a user, the switchable 2D/3D display comprising: a liquid crystal display panel having a display area, a non-display area surrounding the display area, and a first black matrix extending from the display area to the non-display area, wherein the first black matrix has a plurality of openings arranged in array and merely distributed within the display area; and a switchable barrier having a three dimensional image control area, a non-display area surrounding the three dimensional image control area, and a second black matrix merely disposed within the non-display area, wherein the second black matrix surrounds the three dimensional image control area, and an area occupied by the three dimensional image control area is different from an area occupied by the display area, wherein the switchable barrier is interposed between the liquid crystal display panel and a backlight module, and the area occupied by the display area is smaller than an area occupied by the three dimensional image control area, wherein the first black matrix is located above the non-display area and a portion of the three dimensional image control area, the first black matrix located above the portion of the three dimensional image control area having a width W 2 , a minimum distance between the first black matrix and the second black matrix being D 1 , wherein W 2 /D 1 ≧W H /D H , W H being half of a width of the three dimensional image control area, D H being a predetermined viewing distance from 50 cm to 100 cm or from 300 cm to 500 cm.