| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a screen suitable for an interactive board, in which image light incident obliquely from the back surface side is emitted to a viewer side to display a reflection-free image, and handwriting on the screen surface on the viewer side can be easily performed. <P>SOLUTION: The transmission-type screen for an interactive board includes at least a Fresnel lens sheet provided with a prism part on the light-receiving side, a light diffusing member provided on the surface side of the Fresnel lens sheet opposite to the prism part, and a hard coat layer provided on the light-emitting side of the light diffusing member. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
