| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an illuminator for a display device, wherein luminance at the center portion of a display screen can be improved and luminance uniformity in the display screen can be further improved by correcting decrease in luminance at a peripheral portion. <P>SOLUTION: The illuminator for the display device comprises a plurality of tubular light sources 17 arranged in parallel to one another, a light diffusing plate 15 disposed on a light exit side of the tubular light sources 17, and a light reflecting face 14a disposed on the opposite side to the light exit side of the tubular light sources 17, wherein the light reflecting face 14a is formed in a concave profile having a slope face 14b inclining toward the light diffusing plate 15, below the arrangement end 17a of tubular light sources 17 arranged in parallel to one another, and the tubular light sources 17 arranged in parallel to one another are arranged along the cone-shaped light reflecting face 14a. <P>COPYRIGHT: (C)2008,JPO&INPIT |
