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Light guide plate with transmittance enhancement layer and backlight system using same

  • US 7,387,423 B2
  • Filed: 12/23/2004
  • Issued: 06/17/2008
  • Est. Priority Date: 02/27/2004
  • Status: Expired due to Fees
First Claim
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1. A light guide plate, comprising:

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

    a light transmittance enhancement layer provided on either the light emitting surface or the light incidence surface;

    wherein the light transmittance enhancement layer is made of silicon dioxide or magnesium fluoride, and a thickness of the light transmittance enhancement layer is in the range from 58˜

    69 nanometers.

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