| 摘要 |
A backlight module includes first and second light guide plates and first and second LEDs. The first and second light guide plates each has a top surface, a bottom surface opposite to the top surface, and a light incident surface interconnecting the top surface and the bottom surface. The bottom surfaces of the first and second light guide plates contact each other. The top surface of the first light guide plate is defined as a reflective surface and the top surface of the second light guide plate is defined as a light emitting surface. The first LED is positioned adjacent to the light incident surface of the first light guide plate and the second LED configured for emitting light of different colors.
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