Substituted heteroaryls as thermally assisted delayed fluorescent materials
Thermally assisted delayed fluorescent materials with triad-type materials for use in full color displays and lighting applications with the following generic structures are provided:
1. A compound represented by the formula:
wherein:
represents:
wherein:
R represents hydrogen, deuterium, halogen, cyano, isonitrile, nitro, alkyl, haloalkyl, aralkyl, alkenyl, alkynyl, carbamoyl, carboxy, alkoxycarbonyl, amino, monoalkylamino, monoarylamino, dialkylamino, diarylamino, acylamino, ureido, alkoxycarbonylamino, aryloxycarbonylamino, hydrazino, alkylsulfonylamino, arylsulfonylamino, hydroxy, alkoxy, aryloxy, trialkylsilyl, trialkoxysilyl, triarylsilyl, phosphoramide, thiol, alkylthio, alkylsulfinyl, sulfamoyl, sulfonic acid, cycloalkyl, cycloalkenyl, heterocyclyl, substituted aryl, or heteroaryl;
each R 1 independently represents hydrogen, deuterium, halogen, cyano, isonitrile, nitro, alkyl, haloalkyl, aralkyl, alkenyl, alkynyl, carbamoyl, carboxy, alkoxycarbonyl, amino, monoalkylamino, monoarylamino, dialkylamino, diarylamino, acylamino, ureido, alkoxycarbonylamino, aryloxycarbonylamino, hydrazino, alkylsulfonylamino, arylsulfonylamino, hydroxy, alkoxy, aryloxy, trialkylsilyl, trialkoxysilyl, triarylsilyl, phosphoramide, thiol, alkylthio, alkylsulfinyl, sulfamoyl, sulfonic acid, cycloalkyl, cycloalkenyl, heterocyclyl, aryl, or heteroaryl; and
each R 2 independently represents hydrogen, deuterium, halogen, cyano, isonitrile, nitro, alkyl, haloalkyl, aralkyl, alkenyl, alkynyl, carbamoyl, carboxy, alkoxycarbonyl, amino, monoalkylamino, monoarylamino, dialkylamino, diarylamino, acylamino, ureido, alkoxycarbonylamino, aryloxycarbonylamino, hydrazino, alkylsulfonylamino, arylsulfonylamino, hydroxy, alkoxy, aryloxy, trialkylsilyl, trialkoxysilyl, triarylsilyl, phosphoramide, thiol, alkylthio, alkylsulfinyl, sulfamoyl, sulfonic acid, cycloalkyl, cycloalkenyl, heterocyclyl, aryl, or heteroaryl;
wherein the aryl of R is substituted with one or more substituents independently selected from the group consisting of deuterium, halogen, cyano, isonitrile, nitro, alkyl, haloalkyl, aralkyl, alkenyl, alkynyl, carbamoyl, carboxy, alkoxycarbonyl, amino, monoalkylamino, monoarylamino, dialkylamino, diarylamino, acylamino, ureido, alkoxycarbonylamino, aryloxycarbonylamino, hydrazino, alkylsulfonylamino, arylsulfonylamino, hydroxy, alkoxy, aryloxy, trialkylsilyl, trialkoxysilyl, triarylsilyl, phosphoramide, thiol, alkylthio, alkylsulfinyl, sulfamoyl, sulfonic acid, cycloalkyl, cycloalkenyl, heterocyclyl, aryl, and heteroaryl;
wherein the alkyl, haloalkyl, aralkyl, alkenyl, alkynyl, carbamoyl, alkoxycarbonyl, amino, monoalkylamino, monoarylamino, dialkylamino, diarylamino, acylamino, ureido, alkoxycarbonylamino, aryloxycarbonylamino, alkylsulfonylamino, arylsulfonylamino, alkoxy, aryloxy, trialkylsilyl, trialkoxysilyl, triarylsilyl, phosphoramide, alkylthio, sulfamoyl, cycloalkyl, cycloalkenyl, heterocyclyl, aryl, and heteroaryl of each R 1 is optionally and independently substituted with one or more substituents independently selected from the group consisting of deuterium, halogen, cyano, isonitrile, nitro, alkyl, haloalkyl, aralkyl, alkenyl, alkynyl, carbamoyl, carboxy, alkoxycarbonyl, amino, monoalkylamino, monoarylamino, dialkylamino, diarylamino, acylamino, ureido, alkoxycarbonylamino, aryloxycarbonylamino, hydrazino, alkylsulfonylamino, arylsulfonylamino, hydroxy, alkoxy, aryloxy, trialkylsilyl, trialkoxysilyl, triarylsilyl, phosphoramide, thiol, alkylthio, alkylsulfinyl, sulfamoyl, sulfonic acid, cycloalkyl, cycloalkenyl, heterocyclyl, aryl, and heteroaryl; and
wherein the alkyl, haloalkyl, aralkyl, alkenyl, alkynyl, carbamoyl, alkoxycarbonyl, amino, monoalkylamino, monoarylamino, dialkylamino, diarylamino, acylamino, ureido, alkoxycarbonylamino, aryloxycarbonylamino, alkylsulfonylamino, arylsulfonylamino, alkoxy, aryloxy, trialkylsilyl, trialkoxysilyl, triarylsilyl, phosphoramide, alkylthio, sulfamoyl, cycloalkyl, cycloalkenyl, heterocyclyl, aryl, and heteroaryl of each R 2 is optionally and independently substituted with one or more substituents independently selected from the group consisting of deuterium, halogen, cyano, isonitrile, nitro, alkyl, haloalkyl, aralkyl, alkenyl, alkynyl, carbamoyl, carboxy, alkoxycarbonyl, amino, monoalkylamino, monoarylamino, dialkylamino, diarylamino, acylamino, ureido, alkoxycarbonylamino, aryloxycarbonylamino, hydrazino, alkylsulfonylamino, arylsulfonylamino, hydroxy, alkoxy, aryloxy, trialkylsilyl, trialkoxysilyl, triarylsilyl, phosphoramide, thiol, alkylthio, alkylsulfinyl, sulfamoyl, sulfonic acid, cycloalkyl, cycloalkenyl, heterocyclyl, aryl, and heteroaryl.
2. The compound of claim 1 , wherein the compound is selected from the group consisting of:
3. A light emitting diode comprising the compound of claim 1 .
4. A light emitting diode comprising the compound of claim 2 .
5. A light emitting device comprising the light emitting diode of claim 3 .
6. A light emitting device comprising the light emitting diode of claim 4 .