High refractive index layers
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United States of America Patent
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Aug 1, 2006
Grant Date -
Feb 3, 2005
app pub date -
Jul 26, 2004
filing date -
Jul 28, 2003
priority date (Note) -
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Abstract
A composition for forming a layer on a substrate includes a polyelectrolyte that is soluble in a polar solvent. The polyelectrolyte includes a plurality of aromatic groups and nitrogen atoms in a main polymer chain and has a refractive index of at least about 1.64 at a wavelength of about 680 nm. The composition also includes a solvent and, optionally, a plurality of colloidal particles.
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