Patent ID: 11952390
Assignee: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  H  Y | IPC C  H

Claim 6:
7. The metal complex of claim 6, a general formula of Ir(La)m(Lb)3-m and a structure represented by Formula 2:, wherein,
m is selected from 1 or 2; wherein when m is equal to 2, the two La are the same or different;, when m is equal to 1, the two Lb are the same or different;
Z is selected from the group consisting of O, S, Se, wherein when two R are present, the two R are the same or different;
X3 to X8 are, at each occurrence identically or differently, selected from CRx or N;
Y1 to Y4 are, at each occurrence identically or differently, selected from CRy or N;
at least one of X3 to X8 is selected from CRx, and the Rx is cyano;
at least two of Y1 to Y4 are selected from CRy, and wherein at least one of the Ry is deuterium, and at least one of the Ry has a structure of -L-Rd;
L is, at each occurrence identically or differently, selected from a single bond, substituted or unsubstituted alkylene having 1 to 20 carbon atoms, substituted or unsubstituted cycloalkylene having 3 to 20 carbon atoms, substituted or unsubstituted arylene having 6 to 20 carbon atoms, substituted or unsubstituted heteroarylene having 3 to 20 carbon atoms, or combinations thereof,
Rd is, at each occurrence identically or differently, selected from substituted alkyl having 1 to 20 carbon atoms, substituted cycloalkyl having 3 to 20 ring carbon atoms, substituted heteroalkyl having 1 to 20 carbon atoms, a substituted heterocyclic group having 3 to 20 ring atoms, substituted arylalkyl having 7 to 30 carbon atoms, substituted alkoxy having 1 to 20 carbon atoms, substituted aryloxy having 6 to 30 carbon atoms, substituted alkenyl having 2 to 20 carbon atoms, substituted aryl having 6 to 30 carbon atoms, substituted heteroaryl having 3 to 30 carbon atoms, substituted alkylsilyl having 3 to 20 carbon atoms, substituted arylsilyl having 6 to 20 carbon atoms, substituted amino having 0 to 20 carbon atoms, or combinations thereof, the substitution in the above-mentioned group of Rd contains at least one deuterium atom;
R, Rx, Ry, and R1 to R8 are, at each occurrence identically or differently, selected from the group consisting of: hydrogen, deuterium, halogen, substituted or unsubstituted alkyl having 1 to 20 carbon atoms, substituted or unsubstituted cycloalkyl having 3 to 20 ring carbon atoms, substituted or unsubstituted heteroalkyl having 1 to 20 carbon atoms, a substituted or unsubstituted heterocyclic group having 3 to 20 ring atoms, substituted or unsubstituted arylalkyl having 7 to 30 carbon atoms, substituted or unsubstituted alkoxy having 1 to 20 carbon atoms, substituted or unsubstituted aryloxy having 6 to 30 carbon atoms, substituted or unsubstituted alkenyl having 2 to 20 carbon atoms, substituted or unsubstituted aryl having 6 to 30 carbon atoms, substituted or unsubstituted heteroaryl having 3 to 30 carbon atoms, substituted or unsubstituted alkylsilyl having 3 to 20 carbon atoms, substituted or unsubstituted arylsilyl having 6 to 20 carbon atoms, substituted or unsubstituted amino having 0 to 20 carbon atoms, an acyl group, a carbonyl group, a carboxylic acid group, an ester group, a cyano group, an isocyano group, a hydroxyl group, a sulfanyl group, a sulfinyl group, a sulfonyl group, a phosphino group, and combinations thereof, and
adjacent substituents R, Rx, Ry, R1 to R8, L, and Rd can be optionally joined to form a ring.