Provided is a compound of Chemical Formula 1:

##STR00001##

wherein n is 0 or 1, when n is 0, at least one of R1 to R10 is a group of Chemical Formula A, and when n is 1, at least one of R1 to R12 is a group of Chemical Formula A:

##STR00002##

wherein L1 is a direct bond, or a substituted or unsubstituted arylene or heteroarylene group; l1 is an integer of 1 to 5; m is an integer of 1 to 3; when l1 is 2 or greater, the two or more L1s are the same as or different from each other, and an organic light emitting device including the same.

The present disclosure relates to an organic electroluminescent compound, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound according to the present disclosure, it is possible to provide an organic electroluminescent device having improved current efficiency and/or lifetime properties.

Gas separation membranes are provided and more particularly, a series of addition-type and ROMP type polynorbornenes with substituents derived from Mizoroki-Heck reactions are provided and have particular utility as gas separation membranes for natural gas upgrading.

The present disclosure provides an organic compound, an organic electroluminescence device and an electronic apparatus. A chemical structure of the organic compound in the present disclosure contains an adamantane spirofluorene ring and a dibenzo five-membered ring. The organic compound has an excellent energy transfer function and can be used as a luminescent layer material in an electroluminescent device, thus improving an efficiency of the organic electroluminescence device and increasing a service life of the organic electroluminescence device.

The disclosure provides a compound, an organic electroluminescent device and a display device. Wherein, the compound has a structure as shown in Formula I. The introduction of a substituent Ar.sup.2 at the 1-position of naphthalene ring can not only adjust the adjacent steric hindrance size, but also effectively regulate the distortion degree of a molecule so as to reduce the crystallinity of the molecule. Secondly, an arylamino group is introduced at the 2-position, and the introduction of a trisubstituted structure on the arylamino group can effectively regulate the stereostructure of the molecule, improve the packing density of the molecule, so that the materials designed can meet the requirements of devices for materials. The compound of the disclosure can improve the luminous efficiency, reduce the starting voltage and prolong the service life of the device when it is applied to the organic electroluminescent device.

Provided are the following compound represented by General Formula (A) or (B), a curable resin composition including the compound, a cured product thereof, an optical member, and a lens:

##STR00001##

A ring Ar.sup.1 and a ring Ar.sup.2 represent an aromatic ring represented by a specific formula or a fused ring thereof, R.sup.1 and R.sup.2 represent a specific substituent, and v and w are a specific integer. R.sup.3 and R.sup.4 represent a hydrogen atom or a monovalent substituent, L.sup.1 and L.sup.2 represent an alkylene group having 1 to 6 carbon atoms, and Sp.sup.a to Sp.sup.d represent a single bond or a divalent linking group. Pol.sup.1 and Pol.sup.2 represent a hydrogen atom or a polymerizable group, in which at least one of Pol.sup.1 or Pol.sup.2 is a polymerizable group. Further, in the formulae, a structure represented by (R.sup.1).sub.v—Ar.sup.1/cyclopentadiene skeleton/Ar.sup.2—(R.sup.2).sub.w is not line-symmetrical.

Disclosed herein are a curable composition which is capable of producing a cured product having a low Abbe's number and increased durability, and a curable composition with suppressed viscosity increase. Provided is a compound represented by General Formula (A). Also provided are a curable composition including a compound represented by General Formula (A), a predetermined (meth)acrylate monomer, and at least one selected from a photoradical polymerization initiator and a thermal radical polymerization initiator; a cured product formed by curing the curable composition; an optical component; and a lens.

##STR00001##

The present invention relates to compounds of formula (1) which are suitable for use in electronic devices, especially in organic electroluminescent devices.

The present invention relates to novel light-emitting materials. These materials comprise a non-aromatic spiro polycyclic group. This new side chain could reduce the stacking of the light-emitting materials and result in high PLQY.

The present disclosure provides an azulene ring-containing compound, its use, and an organic photoelectric device including the same. The azulene ring-containing compound is a compound comprising a structure of Formula I. The organic photoelectric device includes an anode, a cathode, and one or more organic thin film layers located between the anode and the cathode; and at least one of the organic thin film layers contains the above-mentioned azulene ring-containing compound comprising the structure of Formula I. The azulene ring-containing compound provided by the present disclosure has an energy level difference ΔEst≤0.3 eV between the lowest singlet state S.sub.1 and the lowest triplet state T.sub.1, and has a light-emitting mechanism of a thermally activated delayed fluorescent material, and can be used as a thermally activated delayed fluorescent material for organic photoelectric device, so that the light-emitting efficiency of the device is improved.