Patent 7732007 was granted and assigned to Eastman Kodak on June, 2010 by the United States Patent and Trademark Office.
This invention relates to polarizing plates and their manufacturing process. More particularly, this invention provides a method of making a polarizing plate comprising, providing a polarizing film, coating at least one optical film solution to both sides of the polarizing film simultaneously or near simultaneously, and drying the optical film coating solution to form an optical film on each side of the polarizing film.