| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a coating type optical compensation sheet which contributes the improvement of front contrast of a liquid crystal display device. <P>SOLUTION: The optical compensation sheet has an optically anisotropic layer formed by irradiating a composition including polymerizable cholesteric liquid crystal having at least one reactive group with heat or ionizing radiation and, thereby, curing the same after coating and drying, wherein a cholesteric pitch of the optically anisotropic layer is 120 nm or less and the thickness of the optically anisotropic layer is ≥500 nm and ≤5 μm. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
