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Liquid crystal display device and polarizing plate with a condensing element

  • US 20100253887A1
  • Filed: 04/05/2010
  • Published: 10/07/2010
  • Est. Priority Date: 04/06/2009
  • Status: Active Grant
First Claim
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1. A liquid crystal display device, comprising a rear light source device, a rear polarizing plate, a liquid crystal cell including liquid crystal molecules that are substantially vertically aligned during black display, and a front polarizing plate, which are provided in the stated order, wherein:

  • an absorption axis of a polarizer of the rear polarizing plate is perpendicular to an absorption axis of a polarizer of the front polarizing plate; and

    condensed light in which a half-value angle in a direction perpendicular to the absorption axis of the polarizer of the rear polarizing plate is smaller than a half-value angle in a direction parallel to the absorption axis of the polarizer of the rear polarizing plate enters the rear polarizing plate.

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