| 摘要 |
A backlight module comprising a light guide plate and a light source is provided. The light guide plate has a light-out surface, which defines a first light-out region and a second light-out region. The light guide plate comprises a V-shaped light guide structure corresponding to the first light-out region. The light source is disposed corresponding to the V-shaped light guide structure and has a light-out surface, which faces a direction parallel to an extension direction of a long axial of V-shaped light guide structure. When the light source emits a light, the V-shaped light guide structure guides the light to illuminate the first light-out region, and the second light-out region may be not influenced by the light of the light source.
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