A semiconductor composition for producing a semiconducting layer with consistently high mobility is disclosed. The semiconductor composition includes a diketopyrrolopyrrole-thiophene copolymer and an aromatic non-halogenated hydrocarbon solvent. The copolymer has a structure disclosed within. The aromatic non-halogenated aromatic hydrocarbon solvent contains sidechains having at least 2 carbon atoms and the aromatic ring contains at least 3 hydrogen atoms.

An organic electronic material containing a charge transport compound having a structural region represented by formula (I) and having a weight average molecular weight greater than 40,000.
—Ar—X—Y—Z  (I)
In the formula, Ar represents an arylene group or heteroarylene group of 2 to 30 carbon atoms, X represents a linking group, Y represents an aliphatic hydrocarbon group of 1 to 10 carbon atoms, and Z represents a substituted or unsubstituted polymerizable functional group.

The present invention provides water soluble photoactive macromolecular complexes and methods for detecting an analyte in a sample by using a binding agent conjugated to a water soluble photoactive macromolecule.

An organic electronic material including a charge transporting polymer having a structure that is represented by Formula (1) and that is branched in three or more directions (in the formula, Rf's are each independently a fluoroalkyl group, a and b are 0 or 1, and a and b are not both 0 at the same time).

A light emitting device having an anode, a cathode, a first layer disposed between the anode and the cathode, and a second layer disposed between the anode and the first layer is provided. The second layer is a layer containing a crosslinked product of a polymer compound having a crosslinkable group. At least one of the first layer and the second layer contains a compound represented by the formula (T-1):

##STR00001##

Disclosed is a graft copolymer containing a polyfluorene-based polymer as a main chain and a polyvinylidene fluoride (PVDF) as a side chain, and an element including the same. The graft copolymer contains both the polyfluorene-based polymer and the PVDF, so that the graft copolymer may increase miscibility between polymers to prepare a composite having excellent performance, prepare an uniform thin film through a solution process, and be used as a single material that exhibits both piezoelectric properties and luminescence properties.

A polymer for organic electroluminescent devices having high luminous efficiency and applicable to a wet process is provided. This polymer for organic electroluminescent devices is characterized in that it includes a polymer of a polyphenylene main chain represented by General Formula (1) which is used in at least one layer of an organic layer in an organic electroluminescent device formed by laminating an anode, the organic layer, and a cathode on a substrate, and which has thermally activated delayed fluorescence characteristics (TADF characteristics) (where x is a phenylene group or a linked phenylene group, L is a single bond, an aromatic hydrocarbon group, or an aromatic heterocyclic group, and A is an aromatic hydrocarbon group, an aromatic heterocyclic group, or a linked aromatic group, and satisfies S1(A)−T1(A)≤0.50 (eV)).

##STR00001##

A copolymer, including a structural unit represented by Chemical Formula 1, a structural unit represented by Chemical Formula 2, or a combination thereof:

##STR00001##

wherein R.sub.1, R.sub.2, R.sub.3, X.sub.1, X.sub.2, and Ar.sub.1 are as provided herein.

A composition which is useful for producing a light emitting device having excellent external quantum efficiency and a light emitting device containing the composition are described. The light emitting device contains an anode, a cathode, and an organic layer disposed between the anode and the cathode and contains a composition containing at least two compounds (A) selected from the group consisting of a compound represented by the formula (FH) and a polymer compound containing a constitutional unit having a group obtained by removing from a compound represented by the formula (FH) one or more hydrogen atoms, and a compound (B) having a condensed hetero ring skeleton (b) containing a boron atom and a nitrogen atom in the ring.

##STR00001##

A copolymer including a structural unit represented by Chemical Formula 1

##STR00001##

wherein the copolymer is capable of improving luminous efficiency and durability, particularly, an improvement in luminescence life-span, of an electroluminescence device, particularly a quantum dot electroluminescence device.