| 摘要 |
A direct type back light includes a case holding a plurality of lamps. The lamps may be "U" shaped and have curves arranged at a centerline of the case to face each other with a gap there between. A reflecting plate is positioned below the plurality of lamps. A luminance control sheet is provided above the reflecting plate and below the lamps in several of, or all of, the gaps. The luminance control sheet may have a lower reflectivity or a higher reflectivity than the reflecting plate to remove a bright line or a dark line in the center of the display, respectively.
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