Abstract: An electroluminescent device, including a spaced-apart anode and cathode; and an organic layer disposed between the spaced-apart anode and cathode and including a polymer having an azole structure.

Abstract: An organic compound comprising a complex fluorene structure represented by the following Formula: wherein: X1, X2, X3, and X4 include carbon atoms and at least one nitrogen atom; R1, R2, R3, and R4 are substituents each being individually hydrogen, or amino, or alkyl, or alkenyl, or alkynyl, or alkoxy of from 1 to 40 carbon atoms; aryl or substituted aryl of from 6 to 60 carbon atoms; or heteroaryl or substituted heteroaryl of from 4 to 60 carbons; or F, Cl, or Br; or a cyano group; or a nitro group; or R3, or R4 or both are groups that form fused aromatic or heteroaromatic rings; or R1 and R2 together form a cyclic ring having 3 to 20 carbon, nitrogen, sulfur or oxygen atoms; or R1 and R2 together form a double bond moiety.

Abstract: The present invention relates to a photosensitive organic semiconductor composition comprising an organic p-type semiconductor pigment with a p-type conducting polymer, wherein the ionization potentials of the organic p-type semiconductor pigment and the p-type conducting polymer are nominally equivalent and a photosensitive organic semiconductor composition comprising an organic n-type semiconductor pigment with an n-type conducting polymer, wherein the electron affinities of the organic semiconductor pigment and the conducting polymer are nominally equivalent. The present invention also relates to a p/n heterojunction utilizing the photosensitive organic semiconductor compositions.

Abstract: A naphthylanthracene-based polymer comprising a repeating unit of the formula wherein: Ar is an aryl or substituted aryl of from 6 to 60 carbon atoms; or a heteroaryl or substituted heteroaryl of from 4 to 60 carbon atoms; R1, R2, and R3 are the same or different, and are each individually hydrogen, or alkyl, or alkenyl, or alkynyl, or alkoxy, or amino, or thioalkyl, or carboxyl, or carbonyl, wherein the alkyl, alkenyl, alkynyl, alkoxy, amino, thioalkyl, carboxy, or carbonyl can have from 1 to 40 carbon atoms; or aryl of from 6 to 60 carbon atoms; or heteroaryl of from 4 to 60 carbon atoms; or F, or Cl, or Br; or a cyano group; or a nitro group, or a sulfonate group; and L is a direct bond between naphthylanthracene and polymer backbone or a carbon linking group having 1 to 40 carbon atoms or a non-carbon linking group.

Abstract: A naphthylanthracene-based polymer comprising a repeating unit of the formula wherein: Ar is an aryl or substituted aryl of from 6 to 60 carbon atoms; or a heteroaryl or substituted heteroaryl of from 4 to 60 carbon atoms; R1, R2, and R3 are the same or different, and are each individually hydrogen, or alkyl, or alkenyl, or alkynyl, or alkoxy, or amino, or thioalkyl, or carboxyl, or carbonyl, wherein the alkyl, alkenyl, alkynyl, alkoxy, amino, thioalkyl, carboxy, or carbonyl can have from 1 to 40 carbon atoms; or aryl of from 6 to 60 carbon atoms; or heteroaryl of from 4 to 60 carbon atoms; or F, or Cl , or Br; or a cyano group; or a nitro group, or a sulfonate group; and L is a direct bond between naphthylanthracene and polymer backbone or a carbon linking group having 1 to 40 carbon atoms or a non-carbon linking group.

Abstract: The present invention relates to a photosensitive organic semiconductor composition comprising an organic p-type semiconductor pigment with a p-type conducting polymer, wherein the ionization potentials of the organic p-type semiconductor pigment and the p-type conducting polymer are nominally equivalent and a photosensitive organic semiconductor composition comprising an organic n-type semiconductor pigment with an n-type conducting polymer, wherein the electron affinities of the organic semiconductor pigment and the conducting polymer are nominally equivalent. The present invention also relates to a p/n heterojunction utilizing the photosensitive organic semiconductor compositions.

Abstract: An ink jet printing method, including the steps of: A) providing an ink jet printer that is responsive to digital data signals; B) loading said printer with an ink jet recording element, having a non-absorbing substrate; C) loading said printer with an ink jet ink composition having an aqueous ink jet ink composition comprising: a pigment; a heat sensitive ionomer; at least one surfactant; and a humectant; wherein the ionomer is a charged polymer having at least 5 mol % of the recurring units negatively or positively charged, and D) printing on said ink jet recording element accompanied by a heating step using said ink jet ink composition in response to said digital data signals.

Abstract: An imaging member, such as a negative-working printing plate or on-press cylinder, has an imaging layer comprised of a thermally sensitive compound and a photothermal conversion material. The thermally sensitive compound comprises a heat-activatable bisulfite adduct and can be a polymer or a small molecule compound. In the imaging member, the thermally sensitive compound reacts to provide increased hydrophobicity in areas exposed to energy that provides or generates heat. The imaging layer is considered “switchable” and can be used to provide a lithographic printing image without traditional alkaline wet processing.

Abstract: Thermally imageable elements useful as on-press developable lithographic printing plate precursors are disclosed. The elements comprise a substrate and a layer of an imageable composition over the substrate. The imageable composition comprises a photothermal conversion material, particles of a polyurethane polymer, and, optionally, a water soluble polymer. The polyurethane polymer comprises urethane linkages in the main chain, but does not comprise side chain urethane groups.

Abstract: An organic compound comprising a complex fluorene structure represented by the following Formula: wherein: X1, X2, X3, and X4 include carbon atoms and at least one nitrogen atom; R1, R2, R3, and R4 are substituents each being individually hydrogen, or amino, or alkyl, or alkenyl, or alkynyl, or alkoxy of from 1 to 40 carbon atoms; aryl or substituted aryl of from 6 to 60 carbon atoms; or heteroaryl or substituted heteroaryl of from 4 to 60 carbons; or F, Cl, or Br; or a cyano group; or a nitro group; or R3, or R4 or both are groups that form fused aromatic or heteroaromatic rings; or R1 and R2 together form a cyclic ring having 3 to 20 carbon, nitrogen, sulfur or oxygen atoms; or R1 and R2 together form a double bond moiety.

Abstract: An electroluminescent device, including a spaced-apart anode and cathode; and an organic layer disposed between the spaced-apart anode and cathode and including a polymer having an azole structure

Abstract: An electroluminescent device, including a spaced-apart anode and cathode and an organic layer disposed between the spaced-apart anode and cathode and including a polymer having arylamine repeating unit moiety represented by formula wherein: Ar, Ar1, Ar2, Ar3, and Ar4 are each individually arylof from 6 to 60 carbon atoms; or a heteroarylof from 4 to 60 carbons, or combinations thereof; or Ar1 and Ar2, Ar3 and Ar4, Ar1 and Ar4, Ar2 and Ar4 are connected through a chemical bond; and X is a conjugated group having 2 to 60 carbon atoms.

Abstract: An aqueous inkjet ink including: a pigment; a water-soluble heat sensitive ionomer; at least one surfactant; and a humectant; wherein the ionomer is a charged polymer having at least 15 mole % of the recurring units negatively or positively charged.

Abstract: An electroluminescent device includes an anode, a spaced-apart cathode, and polymer luminescent materials disposed between the anode and cathode, the polymeric luminescent materials includes pendant, 9,10-di-(2-naphthyl)anthracene-based polymers.

Abstract: This invention relates to an aqueous dispersion composition comprising particles of a polyvalent metal salt of salicylic acid/styrene copolymer developer wherein said particles comprise at least 15% by weight of the aqueous composition and have an average particle size of greater than or equal to 0.75 ?m and less than or equal to 2.0 ?m, and wherein less than 2% of the particles are greater than 10 ?m, wherein said composition has a pH of greater than 6 and comprises a surfactant and a polymeric dispersant. It further relates to a method of making said composition and an imaging element comprising said composition.

Abstract: An imaging member, such as a negative-working printing plate or on-press cylinder, has an imaging layer comprised of a thermally sensitive compound and a photothermal conversion material. The thermally sensitive compound comprises a heat-activatable bisulfite adduct and can be a polymer or a small molecule compound. In the imaging member, the thermally sensitive compound reacts to provide increased hydrophobicity in areas exposed to energy that provides or generates heat. The imaging layer is considered “switchable” and can be used to provide a lithographic printing image without traditional alkaline wet processing.

Abstract: An organic compound comprising a complex fluorene structure represented by one of the following formulas: wherein: X1, X2, X3, and X4 are individually the same or different and include a moiety containing CH or N; R1, R2, R3, and R4 are substituents each being individually hydrogen, or alkyl, or alkenyl, or alkynyl, or alkoxy of from 1 to 40 carbon atoms; aryl or substituted aryl of from 6 to 60 carbon atoms; or heteroaryl or substituted heteroaryl of from 4 to 60 carbons; or F, Cl, or Br; or a cyano group; or a nitro group; or R3, or R4 or both are groups that form fused aromatic or heteroaromatic rings.

Abstract: A method to reduce effluence during or immediately after imaging of a printing plate is described. In one embodiment of the invention, the method comprises: (a) applying to a substrate a coating composition comprising a photothermal converter and at least one polymer comprising thiosulfate groups to obtain a coating; and (b) applying a water soluble topcoat to the coating. Preferably, the water soluble topcoat does not comprise a photothermal converter. In another embodiment of the invention, the method comprises applying to a substrate a composition comprising: (a) a photothermal converter; (b) at least one polymer comprising thiosulfate groups; and (c) an additive selected from the group consisting of diazonium, iodonium, copper(I), alkoxypyridinium or maleimide additives.

Abstract: Thermally imageable elements useful as on-press developable lithographic printing plate precursors are disclosed. The elements comprise a substrate and a layer of an imageable composition over the substrate. The imageable composition comprises a photothermal conversion material, particles of a polyurethane polymer, and, optionally, a water soluble polymer. The polyurethane polymer comprises urethane linkages in the main chain, but does not comprise side chain urethane groups.

Abstract: An organic molecular compound comprising a complex fluorene structure having either: 1