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Backlight module and light guide plate thereof

  • US 8,545,085 B2
  • Filed: 01/15/2010
  • Issued: 10/01/2013
  • Est. Priority Date: 01/15/2010
  • Status: Expired due to Fees
First Claim
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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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