Patent ID: 9064444
Filing Date: 2015-06-23
Classification: G09G,H04N

Abstract:
1. A 3D image display device comprising: a position detector configured to detect a position of a viewer and to generate a selection signal comprising information about the position of the viewer; a display panel comprising a plurality of pixels and configured to alternately display a left-eye image and a right-eye image in a first direction; a barrier panel disposed corresponding to the display panel and comprising a light transmitting portion and a light blocking portion; and a barrier panel controller configured to control the barrier panel in response to the selection signal, wherein the barrier panel is configured to operate in a first mode during which the light transmitting portion has a second width in the first direction and the light blocking portion has a third width in the first direction, a second mode during which the light transmitting portion has a first width corresponding to half of the second width in the first direction and the light blocking portion has a fourth width in the first direction which is greater than the third width, or a third mode during which the light transmitting portion has the first width in the first direction and the light blocking portion has a fifth width in the first direction which is less than the third width.