A compound represented by the general formula (1) is useful as a light-emitting material. In the general formula (1), from 0 to 1 of R.sup.3 to R.sup.5 represents a cyano group, from 1 to 5 of R.sup.1 to R.sup.5 represent a group represented by the general formula (2) etc., and the balance of R.sup.1 to R.sup.6 represent a hydrogen atom or a substituent other than above. R.sup.11 to R.sup.20 represent a hydrogen atom or a substituent, L.sup.12 represents a substituted or unsubstituted arylene group or a substituted or unsubstituted heteroarylene group. ##STR00001##

A compound represented by the general formula (1) is useful as a light-emitting material. In the general formula (1), from 0 to 1 of R.sup.3 to R.sup.5 represents a cyano group, from 1 to 5 of R.sup.1 to R.sup.5 represent a group represented by the general formula (2) etc., and the balance of R.sup.1 to R.sup.6 represent a hydrogen atom or a substituent other than above. R.sup.11 to R.sup.20 represent a hydrogen atom or a substituent, L.sup.12 represents a substituted or unsubstituted arylene group or a substituted or unsubstituted heteroarylene group. ##STR00001##

The present invention relates to novel compounds according to formula (I) having a six-membered ring structure substituted with electron donor, electron acceptor and sterically demanding groups. Said compound is suited for use in organic electronic devices, particularly in organic electroluminescent devices (OLEDs). Formula (I) wherein Q.sup.1 and Q.sup.2 are independently of each other selected from the group consisting of N, CR.sup.A, CR.sup.D, and CR.sup.S; Z.sup.1 and Z.sup.2 are independently of each other selected from the group consisting of N, CR.sup.A and CR.sup.D; R.sup.A is a group with M-effect; R.sup.D is a group with +M-effect; and R.sup.S is a sterically demanding group, with the provision that the compound of general formula (I) comprises at least one group CR.sup.A and at least one group CR.sup.D. ##STR00001##

The present invention relates to novel compounds according to formula (I) having a six-membered ring structure substituted with electron donor, electron acceptor and sterically demanding groups. Said compound is suited for use in organic electronic devices, particularly in organic electroluminescent devices (OLEDs). Formula (I) wherein Q.sup.1 and Q.sup.2 are independently of each other selected from the group consisting of N, CR.sup.A, CR.sup.D, and CR.sup.S; Z.sup.1 and Z.sup.2 are independently of each other selected from the group consisting of N, CR.sup.A and CR.sup.D; R.sup.A is a group with M-effect; R.sup.D is a group with +M-effect; and R.sup.S is a sterically demanding group, with the provision that the compound of general formula (I) comprises at least one group CR.sup.A and at least one group CR.sup.D. ##STR00001##

An organic light-emitting device including a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a first material not including an electron transport moiety, a second material including at least one electron transport moiety, a third material having reorganization energy of about 0.4 eV or more, and a light-emitting material, wherein the first material, the second material, the third material, and the light-emitting material are different from one another, and wherein a ratio of a light-emitting component emitted from the light-emitting material to a total of light-emitting components emitted from the emission layer is about 90% or more.

The invention relates to an organic molecule having precisely two units of formula I linked to one another via a single bond or a bridge Y ##STR00001## where Y=a divalent group; X=at each occurrence identically or differently CN and CF.sub.3; D=chemical unit having a structure of the formula I-1: ##STR00002## where #=attachment point of the unit of formula I-1 to the structure of formula I; A and B=independently of one another are selected from the group consisting of CRR.sup.1, CR, NR, N, there being a single or double bond between A and B and a single or double bond between B and Z; Z=a direct bond or a divalent organic bridge which is a substituted or unsubstituted C1-C9-alkylene, C2-C8-alkenylene, C2-C8-alkynylene or arylene group or a combination thereof, CRR.sup.1, CCRR.sup.1, CNR, NR, O, SiRR.sup.1, S, S(O), S(O).sub.2, O-interrupted substituted or unsubstituted C1-C9-alkylene, C2-C8-alkenylene, C2-C8-alkynylene or arylene group, phenyl units or substituted phenyl units.

The invention relates to an organic molecule having precisely two units of formula I linked to one another via a single bond or a bridge Y ##STR00001## where Y=a divalent group; X=at each occurrence identically or differently CN and CF.sub.3; D=chemical unit having a structure of the formula I-1: ##STR00002## where #=attachment point of the unit of formula I-1 to the structure of formula I; A and B=independently of one another are selected from the group consisting of CRR.sup.1, CR, NR, N, there being a single or double bond between A and B and a single or double bond between B and Z; Z=a direct bond or a divalent organic bridge which is a substituted or unsubstituted C1-C9-alkylene, C2-C8-alkenylene, C2-C8-alkynylene or arylene group or a combination thereof, CRR.sup.1, CCRR.sup.1, CNR, NR, O, SiRR.sup.1, S, S(O), S(O).sub.2, O-interrupted substituted or unsubstituted C1-C9-alkylene, C2-C8-alkenylene, C2-C8-alkynylene or arylene group, phenyl units or substituted phenyl units.

An organic light-emitting device including a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a first material not including an electron transport moiety, a second material including at least one electron transport moiety, a third material having reorganization energy of about 0.4 eV or more, and a light-emitting material, wherein the first material, the second material, the third material, and the light-emitting material are different from one another, and wherein a ratio of a light-emitting component emitted from the light-emitting material to a total of light-emitting components emitted from the emission layer is about 90% or more.

An organic light-emitting device including a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a first material not including an electron transport moiety, a second material including at least one electron transport moiety, a third material having reorganization energy of about 0.4 eV or more, and a light-emitting material, wherein the first material, the second material, the third material, and the light-emitting material are different from one another, and wherein a ratio of a light-emitting component emitted from the light-emitting material to a total of light-emitting components emitted from the emission layer is about 90% or more.

The present specification provides an amine compound and an organic light emitting device including the same.