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Optical unit and organic light emitting diode display having the same

  • US 20120098422A1
  • Filed: 09/22/2011
  • Published: 04/26/2012
  • Est. Priority Date: 10/25/2010
  • Status: Active Grant
First Claim
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1. An optical unit on a light emitting unit, comprising:

  • a first polarizing plate on the light emitting unit;

    a second polarizing plate on the first polarizing plate, the second polarizing plate having a higher polarization degree than the first polarizing plate; and

    a plurality of phase shift plates between the first polarizing plate and the second polarizing plate.

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