| 摘要 |
<p>PURPOSE: An optically isotropic material is provided to ensure excellent refraction index anisotropy, transparency, chemical stability, heat resistance, hardness, adhesive property, adhesion and mechanical strength. CONSTITUTION: An optically isotropic material is manufactured by the steps of: applying polyamic acid varnish on a support substrate; drying the film at 50~140°C; performing arrangement by irradiating light to the film; applying a polymerizable liquid crystal composition to the alignment layer; and polymerizing the polymerizable liquid crystal composition.</p> |
