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Backlight unit providing polarized light and display apparatus employing the same

  • US 20100157200A1
  • Filed: 09/18/2009
  • Published: 06/24/2010
  • Est. Priority Date: 12/23/2008
  • Status: Active Grant
First Claim
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1. A backlight unit comprising:

  • a light source;

    a polarization conversion unit configured to convert polarization of light incident from the light source; and

    a light guide plate having a light guide portion and a plurality of light emitting portions protruding from an upper surface of the light guide portion, the light guide portion configured to reflect light incident through the polarization conversion unit within the light guide portion and the light emitting portions configured to emit light through specular reflection.

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