The present application relates to a polycyclic compound including nitrogen and an organic light emitting device including the same.

The present invention relates to a compound of formula 1 and an organic electronic device comprising an organic semiconductor layer, wherein at least one organic semiconductor layer comprises a compound of formula (1), wherein L.sup.1 has the formula (2) and L.sup.2 has the formula (3), wherein L.sup.1 and L.sup.2 are bonded at * via a single bond independently to the same or different arylene groups or heteroarylenes group of Ar.sup.1; and wherein X.sup.1, X.sup.2 are independently selected from O, S and Se; Ar.sup.1 is selected from substituted or unsubstituted C.sub.20 to C.sub.52 arylene or C.sub.14 to C.sub.64 heteroarylene, wherein the substituent of the substituted C.sub.20 to C.sub.52 arylene or C.sub.14 to C.sub.64 heteroarylene are independently selected from C.sub.1 to C.sub.12 alkyl, C.sub.1 to C.sub.12 alkoxy, CN, halogen, OH, C.sub.6 to C.sub.25 aryl and C.sub.2 to C.sub.21 heteroaryl; R.sup.1, R.sup.2 are independently selected from substituted or unsubstituted C.sub.1 to C.sub.16 alkyl, wherein the substituent of substituted C.sub.1 to C.sub.16 alkyl is selected from C.sub.6 to C.sub.18 arylene or C.sub.2 to C.sub.12 heteroarylene; R.sup.3, R.sup.4 are independently selected from substituted or unsubstituted C.sub.1 to C.sub.16 alkyl, substituted or unsubstituted C.sub.6 to C.sub.18 arylene, C.sub.2 to C.sub.20 heteroarylene, wherein the substituent of substituted C.sub.1 to C.sub.16 alkyl, the substituent of the substituted C.sub.6 to C.sub.18 arylene, C.sub.2 to C.sub.20 heteroarylene are independently selected from C.sub.6 to C.sub.18 arylene or C.sub.2 to C.sub.12 heteroarylene; n is selected from 1 to 5, wherein n is an integer number.

The present invention relates to a compound of formula 1 and an organic electronic device comprising an organic semiconductor layer, wherein at least one organic semiconductor layer comprises a compound of formula (1), wherein L.sup.1 has the formula (2) and L.sup.2 has the formula (3), wherein L.sup.1 and L.sup.2 are bonded at * via a single bond independently to the same or different arylene groups or heteroarylenes group of Ar.sup.1; and wherein X.sup.1, X.sup.2 are independently selected from O, S and Se; Ar.sup.1 is selected from substituted or unsubstituted C.sub.20 to C.sub.52 arylene or C.sub.14 to C.sub.64 heteroarylene, wherein the substituent of the substituted C.sub.20 to C.sub.52 arylene or C.sub.14 to C.sub.64 heteroarylene are independently selected from C.sub.1 to C.sub.12 alkyl, C.sub.1 to C.sub.12 alkoxy, CN, halogen, OH, C.sub.6 to C.sub.25 aryl and C.sub.2 to C.sub.21 heteroaryl; R.sup.1, R.sup.2 are independently selected from substituted or unsubstituted C.sub.1 to C.sub.16 alkyl, wherein the substituent of substituted C.sub.1 to C.sub.16 alkyl is selected from C.sub.6 to C.sub.18 arylene or C.sub.2 to C.sub.12 heteroarylene; R.sup.3, R.sup.4 are independently selected from substituted or unsubstituted C.sub.1 to C.sub.16 alkyl, substituted or unsubstituted C.sub.6 to C.sub.18 arylene, C.sub.2 to C.sub.20 heteroarylene, wherein the substituent of substituted C.sub.1 to C.sub.16 alkyl, the substituent of the substituted C.sub.6 to C.sub.18 arylene, C.sub.2 to C.sub.20 heteroarylene are independently selected from C.sub.6 to C.sub.18 arylene or C.sub.2 to C.sub.12 heteroarylene; n is selected from 1 to 5, wherein n is an integer number.

The present invention relates to a compound of formula 1 and an organic electronic device comprising an organic semiconductor layer, wherein at least one organic semiconductor layer comprises a compound of formula (1), wherein X is selected from O, S or Se; Ar.sup.1 is selected from unsubstituted or substituted C.sub.2 to C.sub.60 heteroarylene, and wherein the substituted C.sub.2 to C.sub.60 heteroarylene comprises at least about one to about six substituents, wherein the substituent of the substituted C.sub.2 to C.sub.60 heteroarylene are independently selected from C.sub.1 to C.sub.12 alkyl, C.sub.1 to C.sub.12 alkoxy, CN, OH, halogen, C.sub.6 to C.sub.36 arylene, or C.sub.2 to C.sub.25 heteroarylene; n is 1 or 2; L.sup.1 is selected from a single bond, C.sub.1 to C.sub.4 alkyl, substituted or unsubstituted C.sub.6 to C.sub.36 arylene, wherein the substituent of substituted C.sub.6 to C.sub.36 arylene is selected from C.sub.1 to C.sub.12 alkyl, C.sub.6 to C.sub.18 arylene; L.sup.2 is selected from a single bond or C.sub.1 to C.sub.6 alkyl; R.sup.1, R.sup.2 are independently selected from substituted or unsubstituted C.sub.1 to C.sub.16 alkyl, wherein the substituent of substituted C.sub.1 to C.sub.16 alkyl is selected from C.sub.6 to C.sub.18 arylene or C.sub.2 to C.sub.12 heteroarylene; wherein the compound of formula 1 comprises at least about 4 of C.sub.6-arylene rings and a molecular mass of at least about 400 g/mol to about 1800 g/mol.

##STR00001##

The present invention relates to a compound of formula 1 and an organic electronic device comprising an organic semiconductor layer, wherein at least one organic semiconductor layer comprises a compound of formula (1), wherein X is selected from O, S or Se; Ar.sup.1 is selected from unsubstituted or substituted C.sub.2 to C.sub.60 heteroarylene, and wherein the substituted C.sub.2 to C.sub.60 heteroarylene comprises at least about one to about six substituents, wherein the substituent of the substituted C.sub.2 to C.sub.60 heteroarylene are independently selected from C.sub.1 to C.sub.12 alkyl, C.sub.1 to C.sub.12 alkoxy, CN, OH, halogen, C.sub.6 to C.sub.36 arylene, or C.sub.2 to C.sub.25 heteroarylene; n is 1 or 2; L.sup.1 is selected from a single bond, C.sub.1 to C.sub.4 alkyl, substituted or unsubstituted C.sub.6 to C.sub.36 arylene, wherein the substituent of substituted C.sub.6 to C.sub.36 arylene is selected from C.sub.1 to C.sub.12 alkyl, C.sub.6 to C.sub.18 arylene; L.sup.2 is selected from a single bond or C.sub.1 to C.sub.6 alkyl; R.sup.1, R.sup.2 are independently selected from substituted or unsubstituted C.sub.1 to C.sub.16 alkyl, wherein the substituent of substituted C.sub.1 to C.sub.16 alkyl is selected from C.sub.6 to C.sub.18 arylene or C.sub.2 to C.sub.12 heteroarylene; wherein the compound of formula 1 comprises at least about 4 of C.sub.6-arylene rings and a molecular mass of at least about 400 g/mol to about 1800 g/mol.

##STR00001##

The present disclosure relates to display technologies, and particularly discloses an organic electroluminescent device. This organic electroluminescent device includes a light-emitting layer, the light-emitting includes an exciplex composed of a donor molecule and an acceptor molecule, and a wide band gap material for increasing the inter-molecular spacing between the donor molecule and the acceptor molecule. According to the device of the present disclosure, the degree of orbital overlap of HOMO and LUMO of the formed exciplex and the singlet-triplet energy level difference can be reduced, the reverse intersystem crossing rate (K.sub.RISC) of the exciplex host can be increased, the Fster energy transferred to the guest molecule can be enhanced, and the efficiency and the lifetime of the device can be improved.

The present disclosure relates to display technologies, and particularly discloses an organic electroluminescent device. This organic electroluminescent device includes a light-emitting layer, the light-emitting includes an exciplex composed of a donor molecule and an acceptor molecule, and a wide band gap material for increasing the inter-molecular spacing between the donor molecule and the acceptor molecule. According to the device of the present disclosure, the degree of orbital overlap of HOMO and LUMO of the formed exciplex and the singlet-triplet energy level difference can be reduced, the reverse intersystem crossing rate (K.sub.RISC) of the exciplex host can be increased, the Fster energy transferred to the guest molecule can be enhanced, and the efficiency and the lifetime of the device can be improved.

The invention features compounds of the general formula (I) in which the variable groups are as defined herein, and to their preparation and use.

##STR00001##

The invention features compounds of the general formula (I) in which the variable groups are as defined herein, and to their preparation and use.

##STR00001##

The invention relates to flame retardants comprising atriazine compound according to Formula 1: (1) with R=phosphite substituted with alkyl, functionalized alkyl, aryl, functionalized aryl, except halogen-substituted alkyl or aryl; R=alkylene, arylene, alkoxy or aryloxy, all unsubstituted or functionalized, except halogen-substituted; X.sub.1 and X.sub.2=hetero atoms and X.sub.1=X.sub.2 or X.sub.1 not=X.sub.2 and to specific triazine compounds as such.

##STR00001##