摘要:
Compounds having the formula M(L A ) x (L B )y(L C ) z , devices containing the same, and formulations containing the same are described. The compounds include:
and
where M is a metal having an atomic number greater than 40; x is 1, or 2; y is 1, or 2; and z is 0, 1, or 2; where x+y+z is the oxidation state of the metal M, where X 1 , X 2 , X 3 , and X 4 are C or N; where at least one of R 1 , R 2 , R 3 , and R 4 has at least two C atoms; where R B represents di, tri, or tetra-substitution, and where two adjacent R B form a six-member carbocyclic or heterocyclic ring E fused to ring B; where, when ring E is heterocyclic, the only heteroatom is nitrogen; where ring E can be further substituted; and where (a) at least one of X 1 , X 2 , X 3 , and X 4 is N, (b) ring E is heterocylic, or (c) both.
摘要:
A compound having an ancillary ligand L 1 having the formula:
is disclosed. The ligand L 1 is coordinated to a metal M having an atomic number greater than 40, and two adjacent substituents are optionally joined to form into a ring. Such compound is suitable for use as emitters in organic light emitting devices.
摘要:
A composition formed of a mixture of two compounds having similar thermal evaporation properties that are pre-mixed into an evaporation source that can be used to co-evaporate the two compounds into an emission layer in OLEDs via vacuum thermal evaporation process is disclosed.
摘要:
The present disclosure generally relates to novel compounds containing carbazole and triazine with different number of phenyl units attached to its core. In particular, the disclosure relates to compositions and/or devices comprising these compounds as hosts for PHOLEDs.
摘要:
A compound that has the structure according to Formula M(L A ) x (L B ) y (L C ) z : wherein ligand L A is
ligand L B is
; and ligand L C is
and devices and formulations containing these compounds are disclosed. In Formula M(L A ) x (L B ) y (L C ) z : M is a metal having an atomic number greater than 40; x is 1 or 2; x+y+z is the oxidation state of the metal M; X 1 -X 4 and A 1 -A 8 are C or N; at least one of A 1 -A 8 is N; X is O, S, or Se; two adjacent R B form a six-member aromatic ring E fused to ring B; wherein ring E can be substituted by R E ; each R A -R E and R 1 -R 4 is independently selected from the group consisting of hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof.
摘要翻译:具有根据式M(LA)x(LB)y(LC)z的结构的化合物:其中配体LA是配体LB; 并且配体LC是含有这些化合物的装置和配方。 在式M(LA)x(LB)y(LC)z中:M是原子序数大于40的金属; x是1或2; x + y + z是金属M的氧化态; X1-X4和A1-A8是C或N; A1-A8中的至少一个是N; X是O,S或Se; 两个相邻的RB形成与环B稠合的六元芳族环E; 其中环E可以被RE取代; 氘,卤化物,烷基,环烷基,杂烷基,芳烷基,烷氧基,芳氧基,氨基,甲硅烷基,烯基,环烯基,杂烯基,炔基,芳基,杂芳基, 酰基,羰基,羧酸,酯,腈,异腈,硫烷基,亚磺酰基,磺酰基,膦基及其组合。
摘要:
The present disclosure provides novel compounds based on azadibenzothiophenes, azadibenzofurans and azadibenzoselenophenes with at least two nitrogen atoms in the aza rings. The compounds can be used in green, red, yellow and white emitting devices as electron-transporting hosts.
摘要:
The present disclosure generally relates to novel compounds containing carbazole and triazine with different number of phenyl units attached to its core. In particular, the disclosure relates to compositions and/or devices comprising these compounds as hosts for PHOLEDs.
摘要:
A compound having an ancillary ligand L 1 having the formula: is disclosed. The ligand L 1 is coordinated to a metal M having an atomic number greater than 40, and two adjacent substituents are optionally joined to form into a ring. Such compound is suitable for use as emitters in organic light emitting devices.
摘要:
A composition formed of a mixture of two compounds having similar thermal evaporation properties that are pre-mixed into an evaporation source that can be used to co-evaporate the two compounds into an emission layer in OLEDs via vacuum thermal evaporation process is disclosed.