Polaroid (polarizer) Polaroid (polarizer) Polaroid is a type of synthetic plastic sheet which is used as a polarizer or polarizing filter. A trademark of the Polaroid Corporation, the term has since entered common use. The original material, patented in 1929 and further developed in 1932 by Edwin H. Land, consists of many microscopic crystals of iodoquinine sulphate (herapathite) embedded in a transparent nitrocellulose polymer film. The needle-like crystals are aligned during manufacture of the film by stretching or by applying electric or magnetic fields. With the crystals aligned, the sheet is dichroic: it tends to absorb light which is polarized parallel to
Polaroid Corporation several former Polaroid employees to their staff. The company expects the agreement to yield $1.3 billion in retail sales over an unspecified period beginning in 2009. On January 5, 2010, Polaroid appointed Lady Gaga as "Creative Director" for the company. A press release stated that she would be the "new face" of Polaroid. In 2017, the holding corporation for Polaroid, PLR IP Holdings, LLC, was acquired by Polish investor Oskar Smołokowski. The last factory producing Polaroid instant picture film cartridges in Enschede, Netherlands, under the trademark "Impossible", which had already been led by Smołokowski as CEO, was rebranded to "Polaroid