Green and red organic light-emitting diodes employing excimer emitters

An organic light emitting device (OLED) comprising:

• an anode;
• a cathode;
• and
• an organic region, disposed between the anode and the cathode, comprising a first complex and a second complex, wherein the first complex and the second complex each have a structure independently selected from General Formula I and General Formula II;
• wherein:
• M represents Pt(II), Pd(II), Ir(I), Rh(I), Au(III);
• Y1a, Y1b, Y1e, Y1f, Y1g, Y1h, Y2a, Y2b, Y2c, Y2f, Y2g, Y2h each independently represents C or N;
• Y1d, Y1e, Y2d, Y2e each is independently absent or present, and if present, Y1d, Y1e, Y2d, Y2e each independently represents C or N;
• X and X1 each is independently present or absent, and each of X and X1, if present, independently represents C, N, Si, O, S, Ge, P, As, Se, B, Al, or Bi, or if valency permits, each independently represents CR7, SiR7, GeR7, NR7, P═O, As═O, B, BR7, AlR7, Bi═O, CR7R8, C═O, SiR7R8, GeR7R8, PR7, PR7R8, R7P═O, AsR7, R7As═O, S═O, SO2, Se═O, SeO2, BR7R8, AlR7R8, R7Bi═O, or BiR7;
• R1, R2, R3, R4, R5, R6, R7, and R8 each is independently absent or present as a single substituent or multiple substituents, valency permitting, and, if present, each of R1, R2, R3, R4, R5, R6, R7, and R8 independently represents hydrogen, deuterium, halogen, hydroxyl, thiol, nitro, cyano, nitrile, isonitrile, sulfinyl, mercapto, sulfo, carboxyl, hydrazino;
• substituted or unsubstituted:
• aryl, cycloalkyl, cycloalkenyl, heterocyclyl, heteroaryl, alkyl, alkenyl, alkynyl, amino, monoalkylamino, dialkylamino, monoarylamino, diarylamino, alkoxy, aryloxy, haloalkyl, aralkyl, ester, alkoxycarbonyl, acylamino, alkoxycarbonylamino, aryloxycarbonylamino, sulfonylamino, sulfamoyl, carbamoyl, alkylthio, ureido, phosphoramide, silyl, polymeric;
• or any conjugate or combination thereof;
• L1, L3, L4, and L6 each independently represents a 5- to 10-membered aryl, heteroaryl, fused aryl, or fused heteroaryl;
• L2 and L5 each is independently present or absent and, if present, L2 and L5 each independently represents a 5- to 10-membered aryl, heteroaryl, fused aryl, or fused heteroaryl;
• V1, V2, V3, V4 each is independently present, absent, or a covalent bond, and, if present, each of V1, V2, V3, V4 independently represents C, N, Si, O, S, Ge, P, As, Se, B, Al, or Bi, or if valency permits, each independently represents CR7, SiR7, GeR7, NR7, P═O, As═O, B, BR7, AlR7, Bi═O, CR7R8, C═O, SiR7R8, GeR7R8, PR7, PR7R8, R7P═O, AsR7, R7As═O, S═O, SO2, Se═O, SeO2, BR7R8, AlR7R8, R7Bi═O, or BiR7;
• each n is independently an integer, valency permitting;
• and
• wherein the first complex and the second complex have different structures.

A consumer product comprising an organic light emitting device (OLED) comprising:

• an anode;
• a cathode;
• and
• an organic region, disposed between the anode and the cathode, comprising a first complex and a second complex, wherein the first complex and the second complex each have a structure independently selected from General Formula I and General Formula II;
• wherein:
• M represents Pt(II), Pd(II), Ir(I), Rh(I), Au(III);
• Y1a, Y1b, Y1e, Y1f, Y1g, Y1h, Y2a, Y2b, Y2c, Y2f, Y2g, Y2h each independently represents C or N;
• Y1d, Y1e, Y2d, Y2e each is independently absent or present, and if present, Y1d, Y1e, Y2d Y2e each independently represents C or N;
• X and X1 each is independently present or absent, and each of X and X1, if present, independently represents C, N, Si, O, S, Ge, P, As, Se, B, Al, or Bi, or if valency permits, each independently represents CR7, SiR7, GeR7, NR7, P═O, As═O, B, BR7, AlR7, Bi═O, CR7R8, C═O, SiR7R8, GeR7R8, PR7, PR7R8, R7P═O, AsR7, R7As═O, S═O, SO2, Se═O, SeO2, BR7R8, AlR7R8, R7Bi═O, or BiR7;
• R1, R2, R3, R4, R5, R6, R7, and R8 each is independently absent or present as a single substituent or multiple substituents, valency permitting, and, if present, each of R1, R2, R3, R4, R5, R6, R7, and R8 independently represents hydrogen, deuterium, halogen, hydroxyl, thiol, nitro, cyano, nitrile, isonitrile, sulfinyl, mercapto, sulfo, carboxyl, hydrazino;
• substituted or unsubstituted:
• aryl, cycloalkyl, cycloalkenyl, heterocyclyl, heteroaryl, alkyl, alkenyl, alkynyl, amino, monoalkylamino, dialkylamino, monoarylamino, diarylamino, alkoxy, aryloxy, haloalkyl, aralkyl, ester, alkoxycarbonyl, acylamino, alkoxycarbonylamino, aryloxycarbonylamino, sulfonylamino, sulfamoyl, carbamoyl, alkylthio, ureido, phosphoramide, silyl, polymeric;
• or any conjugate or combination thereof;
• L1, L3, L4, and L6 each independently represents a 5- to 10-membered aryl, heteroaryl, fused aryl, or fused heteroaryl;
• L2 and L5 each is independently present or absent and, if present, L2 and L5 each independently represents a 5- to 10-membered aryl, heteroaryl, fused aryl, or fused heteroaryl;
• V1, V2, V3, V4 each is independently present, absent, or a covalent bond, and, if present, each of V1, V2, V3, V4 independently represents C, N, Si, O, S, Ge, P, As, Se, B, Al, or Bi, or if valency permits, each independently represents CR7, SiR7, GeR7, NR7, P═O, As═O, B, BR7, AlR7, Bi═O, CR7R8, C═O, SiR7R8, GeR7R8, PR7, PR7R8, R7P═O, AsR7, R7As═O, S═O, SO2, Se═O, SeO2, BR7R8, AlR7R8, R7Bi═O, or BiR7;
• each n is independently an integer, valency permitting;
• and
• wherein the first complex and the second complex have different structures.