Organic electroluminescent device and platinum compound
View Patent ↗An organic electroluminescent device, which has a pair of electrodes, and at least one organic layer including a luminescent layer between the electrodes, wherein the organic layer contains at least one compound of formula (I): wherein Q 11 are atoms for forming a nitrogen-containing hetero ring; Z 11 to Z 13 each independently represents CR, wherein R represents a substituent, CH or N; n 11 is 0 or 1; M 11 is a metal or boron ion that may further have a ligand(s); and a compound of formula (6): wherein R 63 to R 66 each is a hydrogen atom or a substituent; X 61 to X 64 and Z 61 to Z 66 each is CR, wherein R represents a substituent, CH or N.
1. A compound represented by the following formula:
wherein, R 63 , R 64 , R 65 and R 66 each represents a hydrogen atom or a substituent; X 61 , X 62 , X 63 and X 64 each independently represents CR, wherein R represents a substituent, CH or N; Z 61 , Z 62 , Z 63 , Z 64 , Z 65 and Z 66 each independently represents CR, wherein R represents a substituent, CH or N, provided that at least one of Z 61 , Z 62 and Z 63 is a nitrogen atom, and at least one of Z 64 , Z 65 and Z 66 is a nitrogen atom.
2. A compound represented by the following formula:
wherein R 63 , R 64 , R 65 and R 66 each represents a hydrogen atom or a substituent X 61 , R 62 , X 63 and X 64 each represents CR, wherein R represents a substituent, or CH; Z 61 , Z 62 , Z 63 , Z 64 , Z 65 and Z 66 each independently represents CR, wherein R represents a substituent, CH or N.