| 摘要 |
PURPOSE: A back light assembly is provided to incline a light receiving surface of a light guide plate, and to equally divide size of a lamp central axis and the light receiving surface, then to be vertical to straight lines orthogonal with straight lines parallel to the lamp central axis. CONSTITUTION: A lamp unit(200) consists of a lamp(210) and a lamp reflecting plate(220). The lamp(210) generates a light. The lamp reflecting plate(220) receives the lamp(210), and reflects the light toward a light guide plate(300). The light guide plate(300) receives the light through a side(310) opposite to the lamp(210) among plural sides, emits the light outside the light guide plate(300) through an upper side(330), and reflects the light inside the light guide plate(300) toward the upper side through reflective patterns formed on a lower side(350).
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