| 摘要 |
An exemplary optical plate includes at least one transparent plate unit. The transparent plate unit includes a first surface, a second surface, a plurality of enclosing V-shaped protrusions, a diffusion layer and a lamp-receiving portion. The second surface is opposite to the first surface. The enclosing V-shaped protrusions are formed at the first surface. The diffusion layer is formed at the second surface. The lamp-receiving portion is defined in one of the first surface and the second surface. A backlight module using the optical plate is also provided.
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