Abstract: Provided is an adhesive composition for a polarizing plate, a polarizing plate, and an optical display device, wherein the adhesive composition comprises a polyvinyl alcohol-based resin, a crosslinking agent bearing a primary amine group or a secondary amine group, and an epoxy-based compound bearing an alkylene oxide group.

Abstract: The present disclosure relates to a plurality of host materials comprising at least one first host compound represented by formula 1 and at least one second host compound represented by formula 2, wherein the first host compound and the second host compound are different from each other, and an organic electroluminescent device comprising the same. In addition, present disclosure relates to a plurality of host materials comprising at least one first host compound and at least one second host compound, wherein the first host compound and the second host compound are represented by formula 2?, and wherein the first host compound and the second host compound are different from each other, and an organic electroluminescent device comprising the same. An organic electroluminescent device with significantly improved driving voltage, current efficiency and/or lifespan properties can be provided by comprising a specific combination of compounds according to the present disclosure as host materials.

Abstract: Provided are an adhesive composition for a polarizing plate, a polarizing plate, and an optical display device, the adhesive composition comprising an epoxy-based compound, a (meth)acrylate-based compound, a photo-acid generator, and an optical radical initiator, the (meth)acrylate-based compound comprising a mixture of a bifunctional (meth)acrylate-based compound and a monofunctional (meth)acrylate-based compound having a hydrophobic functional group, wherein the adhesive strength measured after the adhesive composition for a polarizing plate is separately applied to a PET film, a TAC film, and a COP film, to which a polarizer is then bound, followed by photo-curing, is about 200 gf/inch or more.

Abstract: The present disclosure relates to an organic electroluminescent compound, a plurality of host materials, and an organic electroluminescent device comprising the same. By comprising an organic electroluminescent compound and/or a plurality of host materials according to the present disclosure, an organic electroluminescent device having low driving voltage and/or high luminous efficiency and/or long lifespan can be provided.

Abstract: The present disclosure relates to a plurality of host materials, a composition comprising the same, and an organic electroluminescent device comprising the same. By comprising the plurality of host materials and the composition comprising the same according to the present disclosure as a light-emitting material, an organic electroluminescent device having low driving voltage and/or high luminous efficiency and/or long lifespan property can be provided.

Abstract: The present disclosure relates to a plurality of light-emitting materials, an organic electroluminescent compound, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound or a specific combination of compounds according to the present disclosure as a host material and/or a dopant material, it is possible to provide an organic electroluminescent device having improved driving voltage, luminous efficiency and/or lifetime properties compared to conventional organic electroluminescent devices.

Abstract: Provided are an adhesive composition for a polarizing plate, a polarizing plate, and an optical display device, the adhesive composition comprising an epoxy-based compound, a (meth)acrylate-based compound, a photo-acid generator, and an optical radical initiator, the (meth)acrylate-based compound comprising a mixture of a bifunctional (meth)acrylate-based compound and a monofunctional (meth)acrylate-based compound having a hydrophobic functional group, wherein the adhesive strength measured after the adhesive composition for a polarizing plate is separately applied to a PET film, a TAC film, and a COP film, to which a polarizer is then bound, followed by photo-curing, is about 200 gf/inch or more.