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Light Guide Element, Backlight Unit, and Display Device

  • US 20120262940A1
  • Filed: 04/13/2012
  • Published: 10/18/2012
  • Est. Priority Date: 04/15/2011
  • Status: Abandoned Application
First Claim
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1. A light guide element comprising:

  • a bottom surface; and

    a groove on the bottom surface;

    wherein the light guide element has a shape of rectangular column,wherein the groove is formed along a direction perpendicular to a longitudinal direction of the light guide element, andwherein the groove is filled with a medium having a lower refractive index than the light guide element.

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