| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a laminated body for a plane light source device with edge lines of the prism and an optical member hardly damaged even if an optical member such as an optical sheet is laminated on a light emission surface side with a prism of a light guide plate fitted, a plane light source device equipped with the laminated body for a plane light source device, and a liquid crystal display equipped with the plane light source device and with excellent images displayed. <P>SOLUTION: The laminated body for a plane light source device is a laminated body of a light guide plate having a light emission surface and light-incident surfaces on a rear surface facing to the light emission surface and an end surface, and an optical member fitted on the light emission surface side of the light guide plate and having functions to converge, diffuse, polarize or reflect light emitted from the light emission surface. The light emission surface of the light guide plate has a prism shape with a plurality of unit prisms arrayed in parallel, with nonvolatile lubricant applied at least on edge lines of the prism shape, and the optical member is arranged on the light emission surface side of the light guide plate. <P>COPYRIGHT: (C)2012,JPO&INPIT |
