Patent ID: 8289458
Filing Date: 2012-10-16
Classification: G02F,H04N

Abstract:
1. A display switchable between a first display mode having a first viewing angle range, a second display mode having a second viewing angle range smaller than the first viewing angle range and a multiple view directional display mode; the display comprising: an image display layer; and a control element including a layer of electro-optical material; wherein the control element is switchable between: (i) first state in which the control element cooperates with the image display layer to provide the first display mode, (ii) a second state in which the control element cooperates with the image display layer to provide the second display mode, and (iii) a third state in which the control element cooperates with the image display layer to provide the multiple view directional display mode; the first display mode provides a first image to be seen from the first viewing angle range, the first image being displayed by the image display layer; and the second mode provides a second image to be displayed by the layer of electro-optical material at a position such that the second image is superposed over the first image, the second image is seen in ranges other than the second viewing angle range and is not seen in the second viewing angle range.