Samsung Sdi Co., Inc.

Cheil Industries Inc.

Pil Joo Kim

Eun Su Park

Dong Yoon Shin

Hae Ryong Chung

Kwang Ho Shin

Jin Sook Kim

Chang Seok Bae

Eun Mi Kim

Jae Bin Song

A polarizing plate comprises a polarizer; and at least one optical film on at least one side of the polarizer, wherein the optical film comprises a polyester film, the polyester film has a shrinkage difference between a length shrinkage in a first diagonal direction and a length shrinkage in a second diagonal direction of &#x2212;0.1% to +0.1% with respect to either the mechanical direction (MD) or the transverse direction (TD) of the polyester film (as a reference direction). An optical display apparatus includes the polarizing plate.

Polarizing plates and optical display apparatuses including the polarizing plates

A polarizer includes boric acid, potassium iodide, and a zinc salt. The zinc salt has a concentration gradient in which the concentration of the zinc salt gradually decreases from a surface of the polarizer to an interior thereof.

Polarizer having enhanced photodurability and method for preparing the same

Growing community of inventors

Uiwang-si, South Korea

Pil Joo Kim