| 摘要 |
<p>The invention concerns a display device comprising a liquid crystal cell element (20) placed between two polarizers (23, 28) comprising at least an optical structure compensating birefringent variations of said liquid crystal according to the viewing angle. The compensating optical structure comprises at least a film with oblique axis of the polymerised liquid crystal type (25, 26) designed to compensate at least partly the harmful effects of the natural birefringence of the liquid crystal, associated with a short-delay volume hologram (24, 27) designed to enhance the compensating power of said film. The invention is applicable to computer display screens.</p> |
