The present disclosure relates to a plurality of host materials comprising a first host material including a compound represented by formula 1 and a second host material including a compound represented by formula 2, and an organic electroluminescent device comprising the same. In addition, the present disclosure relates to an organic electroluminescent compound, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound and/or a specific combination of compounds according to the present disclosure as host materials, an organic electroluminescent device having high luminous efficiency and long lifespan property can be provided.

The present disclosure relates to a plurality of host materials comprising a first host material including a compound represented by formula 1 and a second host material including a compound represented by formula 2, and an organic electroluminescent device comprising the same. In addition, the present disclosure relates to an organic electroluminescent compound, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound and/or a specific combination of compounds according to the present disclosure as host materials, an organic electroluminescent device having high luminous efficiency and long lifespan property can be provided.

The present invention relates to spiro compounds containing electron-conducting groups and to electronic devices, in particular organic electroluminescent devices, comprising these compounds.

The present invention relates to spiro compounds containing electron-conducting groups and to electronic devices, in particular organic electroluminescent devices, comprising these compounds.

A display apparatus according to an embodiment includes light-emitting devices and an encapsulation member, wherein the encapsulation member includes a light absorber including a hexagonal heterocycle containing two or more nitrogen atoms as ring-forming atoms, and first to third substituents substituted at the hexagonal heterocycle, the first to third substituents being different from one another, and thus can effectively block external light, thereby exhibiting improved reliability.

The present invention relates to radiolabeled compounds of formula I ##STR00001##
wherein either A, B, R.sub.1, R.sub.2, is labeled with a radionuclide selected from .sup.3H, .sup.11C and .sup.18F and its use for imaging alpha synuclein and/or Abeta deposits in mammals.

The present invention relates to an amide derivative and use thereof in medicine, and specifically to an amide derivative shown as general formula (I) or a stereoisomer, solvate, metabolite, deuteride, prodrug, pharmaceutically acceptable salt or cocrystal thereof, a pharmaceutical composition containing the same, and use of the compound or the composition disclosed herein in preparing an NLRP3 inhibitor.

##STR00001##

The present invention relates to an amide derivative and use thereof in medicine, and specifically to an amide derivative shown as general formula (I) or a stereoisomer, solvate, metabolite, deuteride, prodrug, pharmaceutically acceptable salt or cocrystal thereof, a pharmaceutical composition containing the same, and use of the compound or the composition disclosed herein in preparing an NLRP3 inhibitor.

##STR00001##

The present specification provides a heterocyclic compound represented by Chemical Formula 1, an organic light emitting device comprising the same, a composition for an organic material layer of an organic light emitting device, and a method for manufacturing an organic light emitting device.

The present invention provides a genus of polycyclic amines that are useful as opioid receptor modulators. The compounds of the invention are useful in both therapeutic and diagnostic methods, including for treating pain, neurological disorders, cardiac disorders, bowel disorders, drug and alcohol addiction, drug overdose, urinary disorders, respiratory disorders, sexual dysfunction, psoriasis, graft rejection or cancer.