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Light guide plate and backlight module using the same

  • US 7,581,850 B2
  • Filed: 06/15/2006
  • Issued: 09/01/2009
  • Est. Priority Date: 08/12/2005
  • Status: Expired due to Fees
First Claim
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1. A backlight module comprising:

  • a light guide plate having a light incidence surface and a light-emitting surface opposite to the light incidence surface;

    a reflecting member spaced apart from the light guide plate and facing the light incidence surface; and

    a plurality of light sources arranged between the reflecting member and the light guide plate;

    wherein the light guide plate defines a plurality of hollow structures therein, each of the hollow structures corresponds to one of the light sources, a plurality of microstructure units are defined on the light incidence surface, and each of the microstructure units is over the corresponding light source.

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