A composition for an organic optoelectronic device including a first compound represented by Chemical Formula 1, and a second compound represented by a combination of Chemical Formula 2 and Chemical Formula 3, an organic photoelectronic device including the same, and a display device.

The contents of Chemical Formula 1 to Chemical Formula 3 are as defined in the specification.

A composition for an organic optoelectronic device including a first compound represented by Chemical Formula 1, and a second compound represented by a combination of Chemical Formula 2 and Chemical Formula 3, an organic photoelectronic device including the same, and a display device.

The contents of Chemical Formula 1 to Chemical Formula 3 are as defined in the specification.

The present invention relates to processes and intermediates useful in the preparation of of (R)-2-(7-(4-cyclopentyl-3-(trifluoromethyl)benzyloxy)-1,2,3,4-tetrahydrocyclopenta[b]indol-3-yl)acetic acid of Formula (Ia) and salts thereof, an S1P1 receptor modulator that is useful in the treatment of S1P1 receptor-associated disorders, for example, diseases and disorders mediated by lymphocytes, transplant rejection, autoimmune diseases and disorders, inflammatory diseases and disorders (e.g., acute and chronic inflammatory conditions), cancer, and conditions characterized by an underlying defect in vascular integrity or that are associated with angiogenesis such as may be pathologic (e.g., as may occur in inflammation, tumor development and atherosclerosis).

##STR00001##

The present invention relates to processes and intermediates useful in the preparation of of (R)-2-(7-(4-cyclopentyl-3-(trifluoromethyl)benzyloxy)-1,2,3,4-tetrahydrocyclopenta[b]indol-3-yl)acetic acid of Formula (Ia) and salts thereof, an S1P1 receptor modulator that is useful in the treatment of S1P1 receptor-associated disorders, for example, diseases and disorders mediated by lymphocytes, transplant rejection, autoimmune diseases and disorders, inflammatory diseases and disorders (e.g., acute and chronic inflammatory conditions), cancer, and conditions characterized by an underlying defect in vascular integrity or that are associated with angiogenesis such as may be pathologic (e.g., as may occur in inflammation, tumor development and atherosclerosis).

##STR00001##

Disclosed is an organic electroluminescent device, comprising a substrate and light emitting units formed in sequence on the substrate, characterized in that, each of the light emitting units comprises a first electrode layer (1), a light emitting layer (2) and a second electrode layer (3), the light emitting layer comprises a host material and a dye, the host material is made of materials having both electron transport capability and hole transport capability; at least one material in the host material has a CT excited triplet state energy level T.sub.1 greater than its n-π excited triplet state energy level S.sub.1, and T.sub.1-S.sub.1≤0.3 eV; or, at least one material in the host material has a CT excited triplet state energy level T.sub.1 greater than its n-π excited triplet state energy level S.sub.1, and T.sub.1-S.sub.1≥1 eV, with the difference between its n-π excited second triplet state energy level and its CT excited first singlet state energy level being in the range of −0.1 eV to 0.1 eV. The organic electroluminescent device configuration can sufficiently utilize the triplet state energy in the host material and the dye to increase the luminous efficiency and prolong the service life of the device.

Disclosed is an organic electroluminescent device, comprising a substrate and light emitting units formed in sequence on the substrate, characterized in that, each of the light emitting units comprises a first electrode layer (1), a light emitting layer (2) and a second electrode layer (3), the light emitting layer comprises a host material and a dye, the host material is made of materials having both electron transport capability and hole transport capability; at least one material in the host material has a CT excited triplet state energy level T.sub.1 greater than its n-π excited triplet state energy level S.sub.1, and T.sub.1-S.sub.1≤0.3 eV; or, at least one material in the host material has a CT excited triplet state energy level T.sub.1 greater than its n-π excited triplet state energy level S.sub.1, and T.sub.1-S.sub.1≥1 eV, with the difference between its n-π excited second triplet state energy level and its CT excited first singlet state energy level being in the range of −0.1 eV to 0.1 eV. The organic electroluminescent device configuration can sufficiently utilize the triplet state energy in the host material and the dye to increase the luminous efficiency and prolong the service life of the device.

To provide a compound that is capable of improving the function of an organic material.

The present technology provides a compound represented by the following general formula (1).

##STR00001##

In the general formula (1), X.sup.1 represents an oxygen atom, a nitrogen atom, a phosphorus atom, a carbon atom, or a silicon atom.

Y.sup.1 and Y.sup.2 each represent a benzene ring or a naphthalene ring, and both Y.sup.1 and Y.sup.2 do not represent benzene rings.

R.sup.1 to R.sup.3 each represent a hydrogen or a substituent group represented by *—Z.sup.1(R.sup.4).sub.d (* represents a bonding site).

Z.sup.1 represents a single bond, a saturated hydrocarbon group having a valence of 2 or higher, or an unsaturated hydrocarbon group having a valence of 2 or higher, the saturated hydrocarbon group or the unsaturated hydrocarbon group optionally having an ether bond and/or a thioether bond.

R.sup.4 represents a hydrogen or a polymerizable substituent group.

To provide a compound that is capable of improving the function of an organic material.

The present technology provides a compound represented by the following general formula (1).

##STR00001##

In the general formula (1), X.sup.1 represents an oxygen atom, a nitrogen atom, a phosphorus atom, a carbon atom, or a silicon atom.

Y.sup.1 and Y.sup.2 each represent a benzene ring or a naphthalene ring, and both Y.sup.1 and Y.sup.2 do not represent benzene rings.

R.sup.1 to R.sup.3 each represent a hydrogen or a substituent group represented by *—Z.sup.1(R.sup.4).sub.d (* represents a bonding site).

Z.sup.1 represents a single bond, a saturated hydrocarbon group having a valence of 2 or higher, or an unsaturated hydrocarbon group having a valence of 2 or higher, the saturated hydrocarbon group or the unsaturated hydrocarbon group optionally having an ether bond and/or a thioether bond.

R.sup.4 represents a hydrogen or a polymerizable substituent group.

An organic compound having a spiro-anthracene core and an aromatic or heteroaromatic group and/or an amino group bonded to the core, and an organic light-emitting diode and an organic light-emitting device including the organic compound are disclosed. Since the organic compound of the present disclosure has a rigid structure and a substantially narrow full width at half maximum (FWHM), it is possible to manufacture an organic light-emitting diode and an organic light-emitting device with lowered driving voltages and enhanced luminous efficiency and color purity using the organic compound.

Provided are an organic electric element comprising as a phosphorescent host material, a mixture of the compounds of Formula (1) and Formula (2), and an organic electronic device or apparatus thereof for achieving a high luminous efficiency, a low driving voltage, and an improved lifespan.