Electroluminescent materials and methods of manufacture and use

A composition comprising a light emitting polymer comprising a plurality of arylene monomeric units and a plurality of soft segment units independently selected from soft segment end caps;

• soft segment side chains coupled to a portion, but not all, of the arylene monomeric units;
• internal soft segment monomeric units;
• and combinations thereof, wherein the composition comprises a polymer selected from one of Formulas I to XVII:
• wherein D1 and D2 are substituted or unsubstituted arylene moieties, each EC is independently a soft segment end cap group, X and Y are capping groups, Ar1 and Ar2 are independently selected from substituted and unsubstituted C6–C20 arylene, substituted and unsubstituted C2–C20 heteroarylene, and substituted and unsubstituted C18–C60 divalent triarylamines, k, l, m, n, and o are integers in the range of 2 to 1000, q is an integer in the range of 1 to 4, each Z1 is independently a soft segment side chain, and each T is independently a soft segment moiety.

A composition comprising a light emitting polymer comprising a plurality of arylene monomeric units and a plurality of soft segment units independently selected from soft segment end caps;

• soft segment side chains coupled to a portion, but not all, of the arylene monomeric units;
• internal soft segment monomeric units;
• and combinations thereof, wherein the light emitting polymer is selected from Formulas I′ to XVII′:
• wherein
• R1, R1′, R3, and R3′ are independently hydrogen, substituted or unsubstituted C1–C30 alkyl, substituted or unsubstituted C6–C20 aryl, substituted or unsubstituted C3–C20 heteroaryl, or substituted or unsubstituted C1–C30 hydrocarbyl containing one or more S, N, O, P, or Si atoms;
• R2, R2′, R4 and R4′ are independently substituted or unsubstituted C1–C20 alkyl, substituted or unsubstituted C6–C20 aryl, substituted or unsubstituted C3–C20 heteroaryl, or substituted or unsubstituted C1–C30 hydrocarbyl containing one or more S, N, O, P, or Si atoms;
• a is independently in each occurrence 0 or 1;
• each EC is independently a soft segment end cap group;
• X and Y are capping groups;
• Ar1 and Ar2 are independently selected from substituted and unsubstituted C6–C20 arylene, substituted and unsubstituted C2–C20 heteroarylene, and substituted and unsubstituted C18–C60 divalent triarylamines;
• k, l, m, n, and o are integers in the range of 2 to 1000;
• each Z1 and Z2 is independently a soft segment side chain;
• and
• each T is independently a soft segment moiety.

A composition comprising a light emitting polymer comprising a plurality of arylene monomeric units and a plurality of soft segment units independently selected from soft segment end caps;

• soft segment side chains coupled to a portion, but not all, of the arylene monomeric units;
• internal soft segment monomeric units;
• and combinations thereof, wherein the composition comprises a light emitting polymer selected from Formulas I″ to XIII″:
• wherein
• R1, R1′, R3, and R3′ are independently hydrogen, substituted or unsubstituted C1–C30 alkyl, substituted or unsubstituted C6–C20 aryl, substituted or unsubstituted C3–C20 heteroaryl, or substituted or unsubstituted C1–C30 hydrocarbyl containing one or more S, N, O, P, or Si atoms;
• R2, R2′, R4 and R4′ are independently substituted or unsubstituted C1–C20 alkyl, substituted or unsubstituted C6–C20 aryl, substituted or unsubstituted C3–C20 heteroaryl, or substituted or unsubstituted C1–C30 hydrocarbyl containing one or more S, N, O, P, or Si atoms;
• a is independently in each occurrence 0 or 1;
• each EC is independently a soft segment end cap group having the formula:
• wherein Ar is substituted or unsubstituted arylene or substituted or unsubstituted heteroarylene, p is 0 or 1, R″ is a sterically hindering functional group selected from aryl, heteroaryl, and branched alkyl, and Q is a soft segment moiety having two or more functional groups selected from ethers, secondary or tertiary amines, thioethers, dialkylsiloxanes, and dialkoxysiloxanes;
• X and Y are capping groups;
• Ar1 and Ar2 are independently selected from substituted and unsubstituted C6–C20 arylene and substituted and unsubstituted C2–C20 heteroarylene;
• k, l, m, n, and o are integers in the range of2 to 1000;
• each Z1 and Z2 is independently a soft segment side chain having the formula:
• wherein Ar is substituted or unsubstituted arylene or substituted or unsubstituted heteroarylene, p is 0 or 1, R″ is a sterically hindering functional group selected from aryl, heteroaryl, and alkyl, and Q is a soft segment moiety having two or more functional groups selected from ethers, secondary or tertiary amines, thioethers, dialkylsiloxanes, and dialkoxysiloxanes;
• and
• each T is independently a soft segment moiety having two or more functional groups selected from ethers, secondary or tertiary amines, thioethers, dialkylsiloxanes, and dialkoxysiloxanes.

An electroluminescent device comprising a light emitting polymer comprising a plurality of arylene monomeric units and a plurality of soft segment units independently selected from soft segment end caps;

• soft segment side chains coupled to a portion, but not all, of the arylene monomeric units;
• internal soft segment monomeric units;
• and combinations thereof, wherein the light emitting polymer comprises a polymer selected from one of Formulas I to XVII:
• wherein D1 and D2 are substituted or unsubstituted arylene moieties, each EC is independently a soft segment end cap group, X and Y are capping groups, Ar1 and Ar2 are independently selected from substituted and unsubstituted C6–C20 arylene, substituted and unsubstituted C2–C20 heteroarylene, and substituted and unsubstituted C18–C60 divalent triarylamines, k, l, m, n, and o are integers in the range of 2 to 1000, q is an integer in the range of 1 to 4, each Z1 is independently a soft segment side chain, and each T is independently a soft segment moiety.