Patent ID: 7030949
Filing Date: 2006-04-18
Classification: G02F

Abstract:
1. An optical display comprising: a display device adapted to display an image by modulating light; a cholesteric layer disposed on an optical path for the light that penetrates the display device, the cholesteric layer being adapted to reflect or transmit either of a right-handed circularly polarized light component and a left-handed circularly polarized light component in a selected wavelength band of the light, the cholesteric layer being a hardened layer having cholesteric regularity and formed of a material selected from the group consisting of a hardened polymerizable monomer, a hardened polymerizable oligomer, and a liquid crystal polymer; and a diffusing layer disposed on an exit side of the cholesteric layer to diffuse the circularly polarized light component reflected or transmitted by the cholesteric layer.