Organic luminescent material having an ancillary ligand with a partially fluorine-substituted substituent

A metal complex, wherein the metal complex has a structure represented by Formula M(La)u(Lb)v(Lc)w;

• wherein the metal M is selected from the group consisting of Cu, Ag, Au, Ru, Rh, Pd, Os, Ir, and Pt;
• wherein La, Lb, and Lc can be optionally joined to form a multi-dentate ligand;
• wherein u=1 or 2, v=1 or 2, w=0 or 1, and u+v+w=3;
• when u=2, two La may be identical or different;
• when v=2, two Lb may be identical or different;
• wherein La with a structure represented by Formula 1:
• wherein A is, at each occurrence identically or differently, selected from O, S, Se, or NR3;
• wherein x1=0, 1, 2, or 3, y1=0, 1, 2, or 3, and x1+y1=3;
• wherein x2=0, 1, 2, or 3, y2=0, 1, 2, or 3, and x2+y2=3;
• wherein x3=0 or 1, y3=0 or 1, and x3+y3=1;
• wherein y1+y2+y3≥1;
• wherein R1 and R3 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, substituted or unsubstituted alkoxy having 1 to 20 carbon atoms, substituted or unsubstituted alkenyl having 2 to 20 carbon atoms, substituted or unsubstituted alkylsilyl having 3 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 sulfanyl group, a sulfinyl group, a sulfonyl group, a phosphino group, and combinations thereof;
• and when R1 and R3 are selected from the above substituted groups, the substitution is selected from the group consisting of deuterium, unsubstituted alkyl having 1 to 20 carbon atoms, unsubstituted cycloalkyl having 3 to 20 ring carbon atoms, unsubstituted heteroalkyl having 1 to 20 carbon atoms, unsubstituted alkoxy having 1 to 20 carbon atoms, unsubstituted alkenyl having 2 to 20 carbon atoms, unsubstituted alkylsilyl having 3 to 20 carbon atoms, unsubstituted amino having 0 to 20 carbon atoms, a cyano group, an isocyano group, and combinations thereof;
• wherein R2 is, at each occurrence identically or differently, selected from -L-C(F)m(R)n, and 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 ring carbon atoms;
• and when L is selected from the above substituted groups, the substitution is selected from the group consisting of deuterium, unsubstituted alkyl having 1 to 20 carbon atoms, unsubstituted cycloalkyl having 3 to 20 ring carbon atoms, unsubstituted heteroalkyl having 1 to 20 carbon atoms, unsubstituted alkoxy having 1 to 20 carbon atoms, unsubstituted alkenyl having 2 to 20 carbon atoms, unsubstituted alkylsilyl having 3 to 20 carbon atoms, unsubstituted amino having 0 to 20 carbon atoms, a cyano group, an isocyano group, and combinations thereof;
• wherein m=1 or 2, n=1 or 2, and m+n=3;
• when n=2, two R may be identical or different;
• wherein R is, at each occurrence identically or differently, selected from the group consisting of hydrogen, deuterium, 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, substituted or unsubstituted alkoxy having 1 to 20 carbon atoms, substituted or unsubstituted alkenyl having 2 to 20 carbon atoms, substituted or unsubstituted alkylsilyl having 3 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 sulfanyl group, a sulfinyl group, a sulfonyl group, a phosphino group, and combinations thereof;
• and when R is selected from the above substituted groups, the substitution is selected from the group consisting of unsubstituted alkyl having 1 to 20 carbon atoms, unsubstituted cycloalkyl having 3 to 20 ring carbon atoms, unsubstituted heteroalkyl having 1 to 20 carbon atoms, unsubstituted alkoxy having 1 to 20 carbon atoms, unsubstituted alkenyl having 2 to 20 carbon atoms, and unsubstituted alkylsilyl having 3 to 20 carbon atoms;
• wherein adjacent substituents R1 can be optionally joined to form a ring;
• wherein Lb and Lc are, at each occurrence identically or differently, selected from the group consisting of structures represented by Formula 2, Formula 3, or Formula 4:
• wherein Ra and Rb each represent mono-substitution, multiple-substitutions, or non-substitution;
• wherein substituents Ra and Rb 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, 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 sulfanyl group, a sulfinyl group, a sulfonyl group, a phosphino group, and combinations thereof,
• wherein none of adjacent substituents Ra and Rb in Formula 2, Formula 3, and Formula 4 are joined to form a ring.