| 摘要 |
An exemplary optical plate includes at least one transparent plate section. The transparent plate section includes a light output surface, a bottom surface, a plurality of depressions and at least one lamp-receiving portion. The light output surface is opposite to the bottom surface. The depressions are formed on the light output surface. The lamp-receiving portion is defined in the bottom surface. A backlight module using the present optical plate is also provided.
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