Samsung Sdi Co., Inc.

Do Won Kim

Sung Man Cho

Han Saem Kang

Eun Sol Cho

Hae Ryong Chung

Kwang Ho Shin

Ki Yong Kim

Mun Bo Ko

Jin Sook Kim

Jik Soo Shin

Jong Hoon Kim

Seon Oh Hwang

Provided are a polarizer comprising a polyvinyl alcohol-based film and having an endothermic peak of 50° C. to 60° C. when measured by differential scanning calorimetry at a temperature increase rate of 10° C./min; a polarizing plate comprising a polarizer and a first protective film and a second protective film laminated on one surface and the other surface of the polarizer, respectively, and having an initial shrinkage initiation temperature greater than 70° C. and less than or equal to 90° C. during thermomechanical analysis; and an optical display device comprising same.

Polarizer, polarizing plate, and optical display device comprising same

A polarizing plate and an optical display apparatus including the same are provided. A polarizing plate includes a polarizer and a protective film stacked on at least one surface of the polarizer, and the polarizer includes a hydrophobic polyvinyl alcohol resin, the polarizer has a surface roughness (Ra) of about 10 nm or less on a surface thereof facing the protective film, and the polarizing plate has a maximum metal ion-infiltration length of about 400 &#x3bc;m or less between the polarizer and the protective film when metal powder-containing pastes are deposited on a surface of the polarizing plate in a thickness direction thereof and left at 60&#xb0; C. and 95% relative humidity (RH) for 240 hours.

Polarizing plate and optical display apparatus comprising the same

The present invention relates to a polyene polarizer having an order parameter (S) of about 0.9-1 inclusive and a transmittance of about 43-100% inclusive, a method for manufacturing a polyene polarizer, which can stably produce a thin polyene polarizer having a high transmittance, a high degree of polarization and a high order parameter (S) value, and a polarizing plate and an optical display device each comprising the polyene polarizer.

Polyene polarizer having specified dichroic ratio, method for manufacturing same, and polarizing plate and optical display device comprising same

The module for a liquid crystal display includes a liquid crystal display panel, a first polarizer formed on an upper side of the liquid crystal display panel, and a second polarizer formed on a lower side of the liquid crystal display panel, wherein the first polarizer has a length in a machine direction, the second polarizer has a width in the machine direction, a shrinkage force of the second polarizer is greater than a shrinkage force of the first polarizer, and the length of a polarizer is greater than the width of a polarizer.

Module for a liquid crystal display comprising a first polarizer and a second polarizer having first and second machine directions and liquid crystal display including the same

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Suwon-si, South Korea

Do Won Kim