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Color liquid crystal display and compensation panel

  • US 8,142,863 B2
  • Filed: 04/20/2009
  • Issued: 03/27/2012
  • Est. Priority Date: 04/25/2008
  • Status: Active Grant
First Claim
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1. An optically anisotropic compensation panel comprising at least one optically anisotropic layer based on an ordered guest-host system comprisingan anisotropic host matrix, anda guest component comprising guest particles,wherein the anisotropic host matrix comprises an organic compound transparent to electromagnetic radiation in the visible spectral range,the guest particles provide an absorption additional to an absorption of the anisotropic host matrix, andsaid additional absorption is realized in at least one principal direction of the anisotropic host matrix in at least one subrange of the wavelength range from approximately 250 to 2500 nm;

  • wherein the organic compound for the host matrix has a general structural formula I

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