Abstract: A polarizing plate and a display apparatus including the same. The polarizing plate includes: a polarizer and a protective film stacked at least on one surface of the polarizer, wherein the polarizing plate includes at least a depolarization region in an in-plane direction thereof, and the depolarization region has a maximum absorbance of 0.5 to 1.5 in the wavelength range of 380 nm to 420 nm and a light transmittance ratio (ratio of light transmittance at a wavelength of 590 nm to light transmittance at a wavelength of 400 nm) of 1 to 2.

Abstract: Provided are an optical display device module and an optical display device comprising same, the module comprising: an optical display device panel; and a first polarizer, a first retardation layer, and a second retardation layer that are sequentially stacked, wherein the second retardation layer is disposed inside the panel for the optical display device, the slow axis of the first retardation layer forms ?5° to +5° with respect to the absorption axis of the first polarizer, the slow axis of the second retardation layer forms ?5° to +5° with respect to the absorption axis of the first polarizer, the second retardation layer includes a positive A retardation layer of which the biaxial degree is 0.9 to 1.1 at a wavelength of 550 nm, and the first retardation layer includes a positive B retardation layer of which the biaxial degree is ?1 to ?0.2 at a wavelength of 550 nm.

Abstract: A liquid crystal retardation film, a polarizing plate for light emitting displays including the same, and a light emitting display including the same are provided. The liquid crystal retardation film includes: a first retardation layer having no alignment layer, a UV absorbent primer layer, and a second retardation layer sequentially formed in the stated order, wherein each of the first retardation layer and the second retardation layer may be a liquid crystal layer.

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 are provided. A polarizing plate includes: a polarizer; and a first retardation layer and a second retardation layer sequentially stacked on a lower surface of the polarizer, and the first retardation layer has a short wavelength dispersion of about 1 to about 1.03, a long wavelength dispersion of about 0.98 to about 1, and an in-plane retardation of about 180 nm to about 220 nm at a wavelength of 550 nm, the second retardation layer has a short wavelength dispersion of about 1 to about 1.1, a long wavelength dispersion of about 0.96 to about 1, and an in-plane retardation Re of about 70 nm to about 120 nm at a wavelength of 550 nm, and a ratio of out-of-plane retardation of the second retardation layer at a wavelength of 550 nm to thickness thereof is about -33 nm/µm to about -15 nm/µm.

Abstract: Provided are a polarizing plate and an optical display device comprising same, the polarizing plate comprising a polarizer and a protective layer formed on at least one surface of the polarizer, wherein: the polarizing plate comprises a first area and a second area formed within an image display area; the first area and the second area have different single transmittances in the same wavelength; and the first area has a single transmittance of 45% to 85%, a maximum absorbance of 1.0 to 5.0 in a wavelength in a range from about 270 nm to about 325 nm, a maximum absorbance of 0.5 to 4.0 in a wavelength which exceeds about 325 nm and is lower than or equal to 420 nm, and a maximum absorbance of 0.5 or less in a wavelength in a range from about 500 nm to about 800 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: Disclosed herein are a retardation film for IPS mode, a polarizing plate including the same, and a liquid crystal display including the same. The retardation film for IPS mode has an out-of-plane retardation at a wavelength of 450 nm (Rth (450) of about ?80 nm to 0 nm, an out-of-plane retardation at a wavelength of 550 nm (Rth (550) of about ?60 nm to 10 nm, an out-of-plane retardation at a wavelength of 650 nm (Rth (650) of about ?60 nm to 10 nm, and an in-plane retardation (Re) at a wavelength of 550 nm of about 0 nm to 10 nm.

Abstract: A polarizing plate and an optical display apparatus are provided. A polarizing plate includes: a polarizer; and a first retardation layer and a second retardation layer sequentially stacked on a lower surface of the polarizer, and the first retardation layer has a short wavelength dispersion of about 1 to about 1.03, a long wavelength dispersion of about 0.98 to about 1, and an in-plane retardation of about 180 nm to about 220 nm at a wavelength of 550 nm, the second retardation layer has a short wavelength dispersion of about 1 to about 1.1, a long wavelength dispersion of about 0.96 to about 1, and an in-plane retardation Re of about 70 nm to about 120 nm at a wavelength of 550 nm, and a ratio of out-of-plane retardation of the second retardation layer at a wavelength of 550 nm to thickness thereof is about ?33 nm/?m to about ?15 nm/?m.

Abstract: Provided are a polarizing plate and an optical display device comprising same, the polarizing plate comprising a polarizer and a protective film formed on at least one surface of the polarizer, wherein the polarizer has a depolarization region on at least a part thereof, and the polarizer has a crystallization degree of formula 1 of about 60% or greater.

Abstract: A polarizing plate and an optical display apparatus including the same are provided. A polarizing plate includes: a polarizer; and a protective layer on at least one surface of the polarizer, and the polarizing plate includes a first region and a second region having a lower light transmittance than the first region and has a moisture content of 2.0 g/m2 or less.

Abstract: Provided are a polarizing plate and an optical display device including same, the polarizing plate comprising a polarizer and a protection film formed on at least one surface of the polarizer, wherein the polarizer includes, in at least a part thereof, an area having high light transmittance, and the area having the high light transmittance has a depolarization index that is less than or equal to approximately 2% in a wavelength of approximately 550 nm.

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: Provided are: a polarizing plate comprising a polarizer, and a protective layer formed on at least one surface of the polarizer, and an optical display device comprising same. The polarizing plate comprises a first area and second area which are in an image display area, wherein the first area and second area have mutually different light transmittances at the same wavelength, the first area has a light transmittance of approximately 50% to 80%, and the first area has a color value a* of approximately ?13 to 2, and a color value b* of approximately 1 to 35.

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 protective film for polarizers, a polarizing plate including the same, and an optical display apparatus including the same. The polyester-based film is a polyester protective film, has a thickness of about 10 ?m to about 50 ?m and a refractive index difference (nx?ny) of about 0.01 or more (nx and ny being indexes of refraction of the protective film at a wavelength of about 550 nm in the slow axis direction and the fast axis direction of the protective film, respectively), and is a biaxially stretched film. The slow axis direction of the protective film is coincident with a transverse direction (TD) thereof and an angle of about 70° to about 90° is defined between an external optical axis of the protective film and a normal direction with respect to an in-plane direction of the protective film.

Abstract: A polarizing plate and an optical display apparatus including the same. The polarizing plate includes: a polarizer; and a laminate of a first retardation layer and a second retardation layer, and a third retardation layer sequentially stacked on a lower surface of the polarizer, wherein the first retardation layer may have a slow axis tilted at an angle of +40° to +50° or at an angle of ?50° to ?40° with respect to an absorption axis or a transmission axis of the polarizer, the slow axis of the first retardation layer is tilted at an angle of +80° to +100° or at an angle of ?100° to ?80° with respect to a slow axis of the second retardation layer, the first retardation layer exhibits positive wavelength dispersion and has an in-plane retardation of 50 nm to 100 nm at a wavelength of 550 nm, and the second retardation layer has positive wavelength dispersion or flat wavelength dispersion and an in-plane retardation of 180 nm to 240 nm at a wavelength of 550 nm.

Abstract: Provided is a polarizing plate and an optical display device comprising same, the polarizing plate comprising: a polarizer; and a stack body of a first phase difference layer and a second phase difference layer stacked on a lower surface of the polarizer, wherein the first phase difference layer satisfies Equation 1, the second phase difference layer satisfies Equation 2, the sum of an in-plane phase difference at a wavelength of 550 nm between the first phase difference layer and the second phase difference layer is about 100 nm to about 110 nm, the sum of a thickness direction phase difference at a wavelength of 550 nm between the first phase difference layer and the second phase difference layer is about ?30 nm to about +10 nm, and the second phase difference layer comprises a fluorine-based phase difference layer.

Abstract: A polarizing plate and a display apparatus including the same. The polarizing plate includes: a polarizer and a protective film stacked at least on one surface of the polarizer, wherein the polarizing plate includes at least a depolarization region in an in-plane direction thereof, and the depolarization region has a maximum absorbance of 0.5 to 1.5 in the wavelength range of 380 nm to 420 nm and a light transmittance ratio (ratio of light transmittance at a wavelength of 590 nm to light transmittance at a wavelength of 400 nm) of 1 to 2.