Backlight module and light guide plate thereof
First Claim
1. A light guide plate comprising:
- a first surface, having a plurality of first regions, a second region and a central line, the second region having a plurality of microstructures, the microstructures being outside the first regions, and the first regions and the second region being solid;
a second surface, opposite the first surface; and
a side surface, disposed between the first surface and the second surface;
wherein the first regions are adjacent to the side surface and extend toward the central line, and the first regions are intervally spaced;
the sizes of the microstructures disposed near the central line are larger than those of the microstructures disposed near the side surface, and the distribution of the microstructures disposed near the central line is denser than that of the microstructures disposed near the side surface.
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Accused Products
Abstract
The present invention relates to a backlight module and light guide plate thereof. The light guide plate includes a first surface, a second surface and a side surface. The first surface has a plurality of first regions, a second region and a central line. The second region has a plurality of microstructures outside the first regions. The first regions and the second region are solid. The side surface is disposed between the first surface and the second surface. The first regions are adjacent to the side surface and extend toward the central line, and the first regions are intervally spaced. Whereby, the manufacture step of the light guide plate is simplified, and the manufacture cost of the light guide plate is lowered, and the distribution of the microstructures can reduce the hot spots in front a plurality of point light sources efficiently.
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Citations
18 Claims
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1. A light guide plate comprising:
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a first surface, having a plurality of first regions, a second region and a central line, the second region having a plurality of microstructures, the microstructures being outside the first regions, and the first regions and the second region being solid; a second surface, opposite the first surface; and a side surface, disposed between the first surface and the second surface; wherein the first regions are adjacent to the side surface and extend toward the central line, and the first regions are intervally spaced;
the sizes of the microstructures disposed near the central line are larger than those of the microstructures disposed near the side surface, and the distribution of the microstructures disposed near the central line is denser than that of the microstructures disposed near the side surface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A backlight module comprising:
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a plurality of point light sources for providing a plurality of light beams; and a light guide plate for receiving the light beams from the point light sources, the light guide plate comprising; a first surface, having a plurality of first regions, a second region and a central line, the second region having a plurality of microstructures, the microstructures being outside the first regions, the first regions and the second region being solid, and each of the point light sources corresponding to one of the first regions; a second surface, opposite the first surface; and a side surface, disposed between the first surface and the second surface, and the light beams from the point light sources enter the light guide plate through the side surface; wherein the first regions are adjacent to the side surface and extend toward the central line, and the first regions are intervally spaced;
the sizes of the microstructures disposed near the central line are larger than those of the microstructures disposed near the side surface, and the distribution of the microstructures disposed near the central line is denser than that of the microstructures disposed near the side surface. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification