| 摘要 |
A small-sized liquid crystal display device which can enhance light utilization efficiency of light emitting diodes and also can reduce a thickness of the liquid crystal display device is provided. A flexible printed circuit board is connected to a terminal portion of a TFT substrate. In such a flexible printed circuit board, a light-emitting-diode-use flexible printed circuit board is folded and extends toward a back surface of a backlight. Light emitting diodes are arranged on the light-emitting-diode-use flexible printed circuit board in such a manner that the light emitting diodes are pressed against an edge portion of the light guide plate. Since the light emitting diodes and the edge portion of the light guide plate are brought into close contact with each other, the utilization efficiency of light from the light emitting diodes is enhanced. Further, since the light emitting diodes and the edge portion of the light guide plate which faces the light emitting diodes are provided outside the TFT substrate, a thickness of the whole liquid crystal display device can be reduced.
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