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 Eyewear star Boris Becker. Kenneth Grange, renowned designer from Pentagram Design Partner, designed the unique IMAGE style in the 1980s. The original Polaroid Corporation filed for federal bankruptcy protection on October 11, 2001. The outcome was that within ten months, most of the business (including the "Polaroid" name itself and non-bankrupt foreign subsidiaries) had been sold to Bank One's One Equity Partners (OEP). OEP Imaging Corporation then changed its name to Polaroid Holding Company (PHC). However, this new company operated using the name of its bankrupt predecessor, Polaroid Corporation. Petters Group Worldwide, the owner of the Polaroid brand at the time,