| 摘要 |
<p>A decorative plate for a casing is attached to a casing 1a or 1b, and utilized. The decorative plate is configured by a plate-shaped transparent base member 11, a color half mirror layer 12, placed on the lower face of the transparent base member, that is made of a metal thin film subjected to a tint treatment, a transparency-switching film 13, formed on the lower face of the color half mirror layer 12, that is capable of switching between transmitting and non-transmitting states, a transparent reflection-increasing film layer 20, placed on the lower face of the transparency-switching film 13, that is a composite film formed by alternately laminating a high refractive-index film and a low refractive-index film, and a backing layer 14 that is formed on the lower face of the reflection-increasing film layer 20 in a tightly contact state without having an air layer interposed therebetween, which are successively laminated.</p> |
