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Surface light source unit with scatter enhancing regions

  • US 20040184257A1
  • Filed: 01/29/2004
  • Published: 09/23/2004
  • Est. Priority Date: 01/29/2003
  • Status: Abandoned Application
First Claim
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1. A surface light source unit comprising:

  • a plurality of light sources for emitting light beams; and

    a light guide plate for transmitting the light beams, comprising;

    a light incidence surface for receiving the light beams;

    an emission surface adjacent to the light incidence surface for emitting the light beams;

    a bottom surface opposite to the emission surface; and

    a plurality of diffusion dots formed on the bottom surface for scattering the light beams;

    wherein a plurality of substantially triangular scatter enhancing regions is defined on the bottom surface adjacent to the light sources, and the diffusion dots in the scatter enhancing regions are larger than the diffusion dots in a remaining region of the bottom surface adjacent to the scatter enhancing regions.

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