Abstract: Provided are a polarizing plate and an optical display device comprising same, the polarizing plate comprising: a polarizer; and a first phase difference layer, a second phase difference layer and a third phase difference layer which are sequentially stacked on the lower surface of the polarizer. The first phase difference layer comprises a positive C phase difference layer. The second phase difference layer has positive wavelength dispersibility and an in-plane phase difference of approximately 200 nm to 280 nm in a wavelength of 550 nm. The third phase difference layer has positive wavelength dispersibility and an in-plane phase difference of approximately 80 nm to 145 nm in a wavelength of 550 nm.

Abstract: A polarizing plate and an optical display apparatus are disclosed. A polarizing plate includes a polarizer and a protective layer on at least one surface of the polarizer, and the polarizer includes a polyvinyl alcohol film containing a dichroic substance and contains zinc cations and potassium cations, and the polarizing plate has a value of 0.1 or less, as calculated according to Equation 1.

Abstract: A polarizing plate and an optical display apparatus including the same are provided. The polarizing plate includes: a polarizer; and a first retardation layer and a second retardation layer sequentially stacked on a lower surface of the polarizer. The first retardation layer has an in-plane retardation (Re) of 200 nm to 250 nm at a wavelength of 550 nm; the second retardation layer has an in-plane retardation (Re) of 80 nm to 140 nm at a wavelength of 550 nm; and the polarizing plate has a total transmittance difference of 2% or more between total transmittance at a wavelength of 450 nm and total transmittance at a wavelength of 420 nm.

Abstract: Provided are a polarizing plate and an optical display device comprising the same, the polarizing plate comprising: a polarizer; a protective film laminated on the top surface of the polarizer; and a retardation film laminated on the bottom surface of the polarizer. The retardation film comprises a first retardation layer, and a second retardation layer which is a coating layer formed on one surface of the first retardation layer. The protective film has a total haze of 19% or more and an internal haze of 7% or more at a wavelength of 550 nm to 555 nm, and the polarizer has a polarization angle of 99.5% or more.

Abstract: An adhesive resin and an adhesive composition for an optical member including the same is provided. The adhesive resin includes an acrylic copolymer formed by polymerizing a monomer mixture including a monomer represented by [Formula 1], a (meth)acrylic monomer having a cross-linkable functional group, and an alkyl (meth)acrylate-based monomer.

Abstract: The present invention relates to an adhesive composition and a protective film including an adhesive layer formed by using the same, wherein the adhesive composition includes an acrylic copolymer formed by polymerizing a monomer mixture, the monomer mixture including a monomer represented by [Formula 1], a (meth)acrylic monomer including a carboxy group, a (meth)acrylic monomer including a cross-linkable functional group, and an alkyl(meth)acrylate-based monomer, wherein the acrylic copolymer has a polymerization conversion rate of 99 wt % or higher.

Abstract: A polarizing plate and an optical display apparatus including the same are provided. The polarizing plate includes: a polarizer; and a first retardation layer and a second retardation layer sequentially stacked on a lower surface of the polarizer. The first retardation layer has an in-plane retardation (Re) of 200 nm to 250 nm at a wavelength of 550 nm; the second retardation layer has an in-plane retardation (Re) of 80 nm to 140 nm at a wavelength of 550 nm; and the polarizing plate has a total transmittance difference of 2% or more between total transmittance at a wavelength of 450 nm and total transmittance at a wavelength of 420 nm.

Abstract: A polarizing plate and an optical display apparatus including the same are provided. The polarizing plate includes: a polarizer; and a first retardation layer and a second retardation layer sequentially stacked on a lower surface of the polarizer. The first retardation layer has an in-plane retardation (Re) of 200 nm to 250 nm at a wavelength of 550 nm; the second retardation layer has an in-plane retardation (Re) of 80 nm to 140 nm at a wavelength of 550 nm; and the polarizing plate has a total transmittance difference of 2% or more between total transmittance at a wavelength of 450 nm and total transmittance at a wavelength of 420 nm.

Abstract: An optical film, a polarizing plate including the same, and an optical display apparatus including the same are disclosed. An optical film includes: a third layer, a second primer layer, a first layer, a first primer layer, and a second layer sequentially stacked in the stated order, and each of the first primer layer and the second primer layer has a glass transition temperature (Tg) of 50° C. to 100° C. and is a (meth)acrylate primer layer.

Abstract: An optical film, a polarizing plate including the same, and an optical display apparatus including the same are provided. An optical film includes a first layer and a second layer stacked on a lower surface of the first layer via a first primer layer, the first primer layer being formed of a first composition including a first urethane-based polymer and a first isocyanate-based curing agent, the first urethane-based polymer including a repeat unit derived from a first alicyclic isocyanate-based compound, and the first isocyanate-based curing agent including a first isocyanate trimer.

Abstract: A polarizing plate and an optical display apparatus including the same are provided. The polarizing plate includes: a polarizer; and a first retardation layer and a second retardation layer sequentially stacked on a lower surface of the polarizer. The first retardation layer has an in-plane retardation (Re) of 200 nm to 250 nm at a wavelength of 550 nm; the second retardation layer has an in-plane retardation (Re) of 80 nm to 140 nm at a wavelength of 550 nm; and the polarizing plate has a total transmittance difference of 2% or more between total transmittance at a wavelength of 450 nm and total transmittance at a wavelength of 420 nm.

Abstract: Provided are a polarizing plate and an optical display device comprising same, the polarizing plate comprising: a polarizer; and a first phase difference layer, a second phase difference layer and a third phase difference layer which are sequentially stacked on the lower surface of the polarizer. The first phase difference layer comprises a positive C phase difference layer. The second phase difference layer has positive wavelength dispersibility and an in-plane phase difference of approximately 200 nm to 280 nm in a wavelength of 550 nm. The third phase difference layer has positive wavelength dispersibility and an in-plane phase difference of approximately 80 nm to 145 nm in a wavelength of 550 nm.

Abstract: An aqueous acrylic pressure-sensitive adhesive composition, a method of preparing the same and a pressure-sensitive adhesive sheet including the same are disclosed herein. In some embodiments, an aqueous acrylic pressure-sensitive adhesive composition includes a copolymer including 20 to 99% by weight of an alkyl (meth)acrylate monomer, greater than 0 and 3% or less by weight of an acrylate monomer including a hydroxy group and greater than 0 and 3% or less by weight of an unsaturated carboxylic acid, and an anionic surfactant, wherein the anionic surfactant is present in an amount of 0.01 to 5 parts by weight based on 100 parts by weight of the copolymer, and wherein the copolymer has an average particle diameter of 500 nm or less and satisfies Equation 1.

Abstract: A novel organic sulfur compound, a method for preparing the same, and a pharmaceutical composition for preventing or treating cancer or inflammatory diseases, containing the same as an active ingredient are provided. The novel organic sulfur compound is capable of excellently inhibiting histone deacetylated (HDAC) enzymes in a concentration of nanomolar or micromolar units and has been found to have an excellent effect against inflammatory diseases, and has been found to be capable of inhibiting the proliferation of cancer.

Abstract: A novel organic sulfur compound, a method for preparing the same, and a pharmaceutical composition for preventing or treating cancer or inflammatory diseases, containing the same as an active ingredient are provided. The novel organic sulfur compound is capable of excellently inhibiting histone deacetylated (HDAC) enzymes in a concentration of nanomolar or micromolar units and has been found to have an excellent effect against inflammatory diseases, and has been found to be capable of inhibiting the proliferation of cancer.

Abstract: An adhesive resin and an adhesive composition for an optical member including the same is provided. The adhesive resin includes an acrylic copolymer formed by polymerizing a monomer mixture including a monomer represented by [Formula 1], a (meth)acrylic monomer having a cross-linkable functional group, and an alkyl (meth)acrylate-based monomer.

Abstract: The present invention relates to an adhesive composition and a protective film including an adhesive layer formed by using the same, wherein the adhesive composition includes an acrylic copolymer formed by polymerizing a monomer mixture, the monomer mixture including a monomer represented by [Formula 1], a (meth)acrylic monomer including a carboxy group, a (meth)acrylic monomer including a cross-linkable functional group, and an alkyl(meth)acrylate-based monomer, wherein the acrylic copolymer has a polymerization conversion rate of 99 wt % or higher.

Abstract: The present disclosure relates to an economical method of preparing a resin composition including a polyalkylene carbonate with improved thermal stability and processability. More specifically, the method of preparing a resin composition includes the steps of polymerizing carbon dioxide and an epoxide compound in the presence of a zinc-based catalyst and a solvent, recovering monomers, removing the catalyst and recovering raw materials, solution-blending with a thermostable resin to improve the thermal stability and processability, and removing the solvent and byproducts from the reaction mixture by using an agitated flash drum and an extrusion or kneader-type devolatilizer.

Abstract: A method of preparing a polyalkylene carbonate resin is provided. More particularly, a method of preparing a polyalkylene carbonate resin capable of preventing polymer degradation and improving physical properties and quality of a final resin product, in which, after polymerization of polyalkylene carbonate, by-products are removed by using a large amount of water to purify a reaction mixture, and in a subsequence process of removing a catalyst residue, a primary purification method is conducted by using a filter so that a content of the catalyst in the reaction mixture is less than 1% by weight, is provided.

Abstract: The present invention relates to a substituted piperidines represented by following Chemical Formula 1, which have a GPR119 agonistic activity, a method for preparing the same, and a pharmaceutical composition including the same: wherein A, B, and X are defined therein.