| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical sheet having an emission line prevention layer having improved visibility from the surface side, a backlight unit using the optical sheet, and a method for manufacturing the optical sheet. <P>SOLUTION: The optical sheet, where the emission line prevention layer for absorbing rays is laminated, is not equipped with the emission line prevention layer at a fixed distance toward the inside from nearly the entire periphery of the edge. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
