Abstract: An adhesive composition for polarizing plates includes an epoxy compound, a(meth)acrylic compound, an alkoxysilane compound including at least one epoxy group, and an alkoxysilane compound including at least one (meth)acrylate group. A polarizing plate using the adhesive composition can exhibit good adhesion, reliability, durability, water resistance, and high temperature/high humidity resistance. An optical apparatus includes the polarizing plate.

Abstract: A UV curable adhesive composition includes a morpholine group-containing (meth)acrylic copolymer.

Abstract: An adhesive film for polarizing plates includes a cured product of a composition including a (meth)acrylic copolymer and a cross-linking agent, and has a peel strength ratio of about 6 or more, as represented by Equation 1. An adhesive composition for the adhesive film, a polarizing plate including the adhesive film, and an optical display including the adhesive film are also described.

Abstract: According to the present invention, an adhesive film having a phase-difference is characterized by a phase difference value of 25° C./55% RH at a thickness of 20 ?m being approximately 20 nm to approximately 150 nm, and 1 rad/s storage modulus by a frequency seep test at 30° C. being approximately 105 dyne/cm2 to approximately 109 dyne/cm2. The adhesive film having a phase-difference exhibits minimal entangling and retains a stretched structure under high temperature and humidity so as to provide an optical member that has decreased light leakage, retains superior durability, reworkability, and adhesion, and has an excellent balance of physical properties.

Abstract: An adhesive film including a compound including a urethane functional group, the adhesive film having a ratio (B/A) of 180° peel strength (B) after leaving the adhesive film at 70° C. for 2 minutes to 180° peel strength (A) at 25° C. of about 5 or more, is disclosed. A display apparatus including the adhesive film is also disclosed.

Abstract: An adhesive film and an optical display including the same. The adhesive film has a tan ? of about 0.12 to about 0.4 upon frequency sweep testing under conditions of a strain of 5%, 30° C. and 1 rad/s, and a tan ? of about 0.2 to about 0.7 upon frequency sweep testing under conditions of a strain of 5%, 30° C. and 100 rad/s.

Abstract: An adhesive film, an adhesive composition for the same, and a display apparatus including the same. The adhesive film includes a urethane functional group, has a glass transition temperature (Tg) of about 30° C. or less, a loss modulus of about 4×104 dyn/cm2 to about 8×104 dyn/cm2 upon frequency sweep testing under conditions of a strain of 3%, 60° C. and 1 rad/s, and tan ? of about 0.2 to 0.55 upon frequency sweep testing under conditions of a strain of 3%, 60° C. and 1 rad/s.

Abstract: An adhesive film, an adhesive composition for the same, and a display member including the same are disclosed. The adhesive film includes a cured product of an adhesive composition, which includes a (meth)acrylic copolymer formed from a monomer mixture including (a1) an alkyl (meth)acrylate having a C1 to C17 alkyl group and (a2) an alkyl (meth)acrylate having an alkyl group having 18 or more carbon atoms. The adhesive film has a ratio (B/A) of 90° peel strength (B) after aging the adhesive film at 25° C. for 30 minutes and leaving the adhesive film at 90° C. for 40 seconds to 90° peel strength (A) after aging the adhesive film at 25° C. for 30 minutes of about 0.1 or less.

Abstract: Disclosed are an adhesive for polarizing plates, a polarizing plate including an adhesive layer, and a liquid crystal display. The adhesive includes a (meth)acrylic copolymer, a curing agent, and a silane coupling agent, wherein the (meth)acrylic copolymer has an average molecular weight of at least 800,000 g/mol. The adhesive has a storage modulus ranging from approximately 8,000 Pa or more to less than approximately 27,000 Pa at 85° C. and at a frequency ranging from 10?3 rad/s to 102 rad/s after curing, and is configured to bond a protective film having a water vapor transmission rate (WVTR) of approximately 100 g/m2/day or less at 40° C. and 90% RH. The polarizing plate includes a polarizer, a first protective film on a top surface of the polarizer, a second protective film on a bottom surface of the polarizer, and an adhesive layer on a bottom surface of the second protective film.

Abstract: An adhesive film for polarizing plates includes a (meth)acrylic copolymer obtained by polymerizing about 15 wt % to about 30 wt % of a (meth)acrylic monomer having a hetero-alicyclic ring. The adhesive film has a storage modulus (G?) of about 30 kPa or greater as determined from Frequency sweep testing at 85° C. by oscillation at an angular speed of 10?3 rad/s to 102 rad/s. An adhesive composition for the same, a polarizing plate including the same, and an optical display device including the same are also disclosed.

Abstract: An acrylic adhesive composition includes: an acrylic resin; an epoxy resin; and a cationic photoinitiator, the acrylic adhesive composition having a storage modulus of about 6×106 dyne/cm2 to about 1×108 dyne/cm2 at 25° C. and a storage modulus of about 5×103 dyne/cm2 to about 1×106 dyne/cm2 at 80° C. A polarizing plate includes a polarizing film and an adhesive layer on one or both sides of the polarizing film, the adhesive layer including a cured product of the acrylic adhesive composition. A liquid crystal display including a liquid crystal panel and the polarizing plate on one or both sides of the liquid crystal panel is also disclosed.

Abstract: An adhesive film for polarizing plates includes core-shell particles, each including a core and a shell surrounding the core. An adhesive composition for the adhesive film includes an epoxy compound, a (meth)acrylic compound, core-shell particles, each core-shell particle including a core and a shell surrounding the core, and a photo-initiator. A polarizing plate includes a polarizer, an optical film on one or both sides of the polarizer, and the adhesive film between the polarizer and the optical film. An optical display apparatus includes the polarizing plate.

Abstract: A display member includes a display panel, a first adhesive film on the display panel a transparent conductive layer on the first adhesive film, and a second adhesive film and a window on the second adhesive film. At least one of the first adhesive film and the second adhesive film includes a UV curable adhesive composition including a morpholine group-containing (meth)acrylic copolymer.

Abstract: The present invention relates to a polarizer having an antistatic layer and a liquid crystal display. The present invention may provide a polarizer which may prevent malfunction of devices by static electricity generated in preparation or use procedures even without using the ITO layer conventionally formed between the upper glass substrate of a liquid crystal panel and a polarizer in a liquid crystal display for an antistatic purpose, and has excellent physical properties such as endurance reliability under high temperature or high humidity condition and optical characteristics, and a liquid crystal display thereof.

Abstract: Provided are a light emitting device and a light unit. The light emitting device includes a package body including a body, a plurality of electrodes on the body, and a concave portion on at least one of the plurality of electrodes, a light emitting chip including a convex portion corresponding to the concave portion to couple and attach the concave portion to the convex portion, the light emitting chip including a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer between the first conductive type semiconductor layer and the second conductive type semiconductor layer, and an adhesion layer on a bottom surface of the light emitting chip.

Abstract: An adhesive film includes a cured product of a (meth)acrylic copolymer and has a refractive index from about 1.5 to about 1.6. An adhesive composition for preparing the adhesive film includes a (meth)acrylic copolymer of a monomer mixture. A display member includes the adhesive film coated on one or more surfaces of an optical film.

Abstract: The invention relates to an acrylic adhesive composition, more particularly, to an adhesive composition which: specifies the contents of a (meth)acrylic ester-based monomer and an aromatic group-containing monomer of an acrylic copolymer as a composition having little or no difference of birefringence; has excellent durability; and can reduce light leakage due to flexure by mixing a crosslinkable functional group-containing acrylic copolymer (A) and an acrylic copolymer (B) which does not contain the crosslinkable functional group, in a ratio of 1:9 to 5:5.

Abstract: A light emitting apparatus includes a first light source to generate light having a first main wavelength band, a second light source to generate light having a second main wavelength band, a first transparent layer surrounding the first and second light sources, a wavelength conversion layer disposed on the first transparent layer to convert at least one of the light having the first main wavelength band and the light having the second main wavelength band into light having a third main wavelength band, and a medium layer between the wavelength conversion layer and the first transparent layer. At least of the first or second light sources has a first refractive index, the first transparent layer has a second refractive index, the medium layer has a third refractive index, the wavelength conversion layer has a fourth refractive index, and the first to fourth refractive indexes are different from each other.

Abstract: An adhesive composition for polarizing plates, a polarizing plate using the same, and an optical member including the same, the adhesive composition including an epoxy compound, a (meth)acrylic compound, and a polyfunctional thiol compound.

Abstract: An adhesive film, an adhesive composition for the same, and an optical member including the same, the adhesive film having an index of refraction of about 1.48 or more and a dielectric constant variation of about 30% or less, as expressed by Equation 1: Dielectric ? ? constant ? ? variation ? ? ( % ) = ( A - B ) A × 100 , [ Equation ? ? 1 ] wherein A is the dielectric constant of the adhesive film measured at a frequency of 103 Hz, and B is the dielectric constant of the adhesive film measured at a frequency of 106 Hz, and/or the adhesive film including a (meth)acrylate copolymer having carbonate groups and an aromatic groups.