LIGHT VOLUME CONTROL PLATE FOR DIRECT-TYPE BACKLIGHT, AND DIRECT-TYPE BACKLIGHT

摘要

PROBLEM TO BE SOLVED: To provide a light volume control plate capable of obtaining further uniform emission of light on the surface when used for a direct-type backlight, and the direct-type backlight having further uniform emission of light on the surface.;SOLUTION: This is a light volume control plate for the direct-type backlight in which an optical reflecting layer having a plurality of apertures is formed on one of the surface of the transparent substrate, and the numerical aperture is higher from the center of the optical reflecting layer toward the outer periphery side.;COPYRIGHT: (C)2006,JPO&NCIPI