Abstract:
There is provided a green luminescent material having Formula I or Formula II R1 and R2 can be the same or different and can be hydrogen, alkoxy, tertiary alkyl, or cycloalkyl. R3 and R4 are the same or different and can be fluorine, aryl, or alkyl. There is also provided an organic electronic device containing the green luminescent material.
Abstract:
Provided are complexes of the formula: where R1 is H, R4, OR4, N(R4)2 or CHAr2; R2 is H, CnF2n+1, CnF2n+1 SO2, COOR4, or CN; R3 is H, CnF2n+1, CnF2n+1SO2, COOR4, or CN; R4 is the same or different at each occurrence and is H, alkyl, or aryl, or adjacent R4 groups can join together to form a 5- or 6-membered ring, or adjacent R4 groups can join together to form a 5- or 6-membered ring; or adjacent R4 groups can join together to form a multicyclic moiety; each Ar is independently an aryl group; L′ is a polydentate ligand that is not a phenylpyridine, phenylpyrimidine, or phenylquinoline; L″ is a monodentate ligand, and is not a phenylpyridine, and phenylpyrimidine, or phenylquinoline; m is 1, 2 or 3; n is an integer from 1 through 20; y is 0, 1 or 2; and z is 0 or an integer from 1 through 4; with the proviso that the compound is charge neutral and the iridium is hexacoordinate.
Abstract:
Organometallic complexes are provided having at least one charge transporting ligand, and methods for making the same, as well as devices and sub-assemblies including the same.
Abstract:
Random, melt-processible copolyimides are disclosed herein. These copolyimides are semicrystalline and exhibit recoverable (semi)crystallinity from their melts. Associated processes, which entail either solution polymerization or melt polymerization, for producing and fabricating these copolyimides into useful articles having a predetermined shape are also disclosed.
Abstract:
There is provided an electroactive compound having Formula I In the formula: Ar1, Ar2, and Ar3 are the same or different and are aryl groups; R1 is the same or different at each occurrence and is D, alkyl or aryl; a is an integer from 0-4. The compound has a LUMO level deeper than −2.3 eV and a band gap of at least 2.9 eV.
Abstract:
There is provided an organic electronic device having an anode, a hole injection layer, a photoactive layer, an electron transport layer, and a cathode. At least one of the photoactive layer and the electron transport layer includes a compound having Formula I where: R1 is the same or different and can be phenyl, biphenyl, naphthyl, naphthylphenyl, triphenylamino, or carbazolylphenyl; and one of the following conditions is met: (i) R2=R3 and is H, phenyl, biphenyl, naphthyl, naphthylphenyl, arylanthracenyl, phenanthryl, triphenylamino, or carbazolylphenyl; or (ii) R2 is H or phenyl; and R3 is phenyl, biphenyl, naphthyl, naphthylphenyl, arylanthracenyl, phenanthryl, triphenylamino, and carbazolylphenyl; When both R1 are phenyl, R2 and R3 can be 2-naphthyl, naphthylphenyl, arylanthracenyl, 9-phenanthryl, triphenylamino, or m-carbazolylphenyl.
Abstract:
The present invention relates to charge transport compositions. The invention further relates to electronic devices in which there is at least one active layer comprising such charge transport compositions.
Abstract:
The present invention relates to charge transport compositions. The invention further relates to electronic devices in which there is at least one active layer comprising such charge transport compositions.
Abstract:
There is provided an organic electronic device having an anode, a hole injection layer, a photoactive layer, an electron transport layer, and a cathode. At least one of the photoactive layer and the electron transport layer includes a compound having Formula I where: R1 is the same or different and can be phenyl, biphenyl, naphthyl, naphthylphenyl, triphenylamino, or carbazolylphenyl; and one of the following conditions is met: (i) R2=R3 and is H, phenyl, biphenyl, naphthyl, naphthylphenyl, arylanthracenyl, phenanthryl, triphenylamino, or carbazolylphenyl; or (ii) R2 is H or phenyl; and R3 is phenyl, biphenyl, naphthyl, naphthylphenyl, arylanthracenyl, phenanthryl, triphenylamino, and carbazolylphenyl; When both R1 are phenyl, R2 and R3 can be 2-naphthyl, naphthylphenyl, arylanthracenyl, 9-phenanthryl, triphenylamino, or m-carbazolylphenyl.