Patent ID: 8508586
Filing Date: 2013-08-13
Classification: G02C,G02F,H04N

Abstract:
1. Spectacles for three-dimensional viewing of digital video content from a projector, said spectacles comprising: a single cell comprising first and second substrates disposed facing each other in order to form a free space; a liquid crystal placed in said free space and having a half-wave blade configuration; a first rectilinear polariser of polarisation axis P a second rectilinear polariser of polarisation axis P wherein the liquid crystal comprises first and second distinct zones each situated opposite a vision axis, right and left respectively, the first zone comprising a first director and the second zone comprising a second director, said first and second directors: being symmetrical and each forming an angle β with respect to a first direction B or being symmetrical and each forming an angle β with respect to a second direction B or being symmetrical and each forming an angle π/2−β with respect to a third direction B or being symmetrical and each forming an angle π/2−β with respect to a fourth direction B