Importance

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Abstract

The present invention provides a backlight module, which at least includes: a light guide plate having a plurality of V-cuts on both sides, in which the valley line of the V cut extends as a straight line and the valley lines of the V cuts on the same side of the light guide plate are parallel to each other, while the valley lines of the V cuts on the different sides of the light guide plate are non-parallel to each other; a reflective film disposed on the lower side of the light guide plate; at least a light source disposed around the light guide plate; and a single optical film disposed on the upper side of the light guide plate, in which the optical film includes a substrate and a plurality of light-adjusting structures.The present invention provides a backlight module combining an optical film having a light-adjusting structure to alter the light field and a double V-cut light guide plate, which can provide highly uniform light and a broad visual angle and thus cure the defects in the conventional double V-cut light guide plate.

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First Claim