Eastman-kodak Company

Global Oled Technology LLC

Tommie L Royster, Jr

Seshadri Jagannathan

Dilip K Chatterjee

Gustavo R Paz-Pujalt

Carl A Marrese

Donald R Diehl

Jerzy A Budz

David E Fenton

Marina E Kondakova

Samuel Chen

Donald L Black

Steven G Link

Jerzy Z Mydlarz

Denis Y Kondakov

Michele L Ricks

Christopher T Brown

David Wallace Sandford

Paula J Alessi

John E Keevert

Peter G Bessey

David J Giesen

Sharon G Johnston

Heinz E Stapelfeldt

Andrew J Hoteling

Joseph J Tiberio

David G Juhas

Adam Freeman

An OLED device comprises a cathode, an anode, and has therebetween a light-emitting layer containing a phosphorescent emitter that emits yellow, orange or red light; a tertiary arylamine compound as a first host material, and a gallium complex with only nitrogen bidentate ligands as a second host material. Desirably, the phosphorescent emitter is an iridium complex.

Phosphorescent OLED device with mixed hosts

A color filter having a filter layer comprising a fluorinated phthalocyanine pigment and at least one second pigment. In one embodiment, the second pigment has a maximum absorption at a wavelength from 400 to 500 nm to create a green color filter.

Color filter element with improved colorant dispersion

An OLED device comprises a cathode, an anode, and has therebetween a light-emitting layer containing a phosphorescent emitter and a host comprising a first aluminum or gallium complex containing at least one 2-(2-hydroxyphenyl)pyridine ligand and at least one phenoxy ligand,

Electroluminescent host material

Fluorinated bis-(phthalocyanylaluminoxy)silyl bridged cyan or blue-green pigments according to formula (I): wherein Rand Rare independently substituted or unsubstituted alkyl, alkenyl, alkynyl, or cycloalkyl groups with eight or less carbon atoms or aryl groups with ten or less carbon atoms; Ris a divalent linking group comprising oxygen, RRSi, substituted or unsubstituted alkyl, alkenyl, alkynyl cycloalkyl or aryl groups; R, R, and Rmay comprise the elements of a cyclic ring; n is 1-4; and z is 1-4.

Fluorinated bis-(phthalocyanylaluminoxy)silyl pigments

A method for preparing a nanodispersion comprising the steps of: (i) introducing into a milling apparatus a solid fluorinated phthalocycanine pigment according to Formula (I): Wherein M is a metal cation chosen from Groups 1b, 2b, 2a or 3a of the Periodic Table of the Elements; R is fluorine, a perfluoroalkyl or a perfluoroaryl group; z is 1 to 4; L is an anionic ligand; and n is 0 or 1 such that the overall charge on the molecular unit is neutral; followed by milling with agitation the solid fluorinated phthalocyanine in an organic solvent into a suspension of particles so that at least 80 volume % of the particles have a particle size of less than 100 nm.

Method for preparing nanodispersions of fluorinated phthalocyanine pigments

An OLED device comprises an anode, a light emitting layer, a first layer, a second layer contiguous to the first layer, and a cathode, in that order. The first layer includes a first complex comprising gallium and the second layer includes a second complex also comprising gallium and wherein the second complex has a more negative LUMO than the first complex. Such materials can provide an improvement in one or more of luminance, drive voltage, and stability.

Electroluminescent device including gallium complexes

Disclosed is an electroluminescent device comprising a light-emitting layer containing a light emitting phosphorescent material that contains an organometallic complex comprising a metal selected from the group consisting of Mo, W, Re, Ru, and Os that is coordinated to a neutral or negatively-charged ligand group through the &#x3c0; electrons of the ligand with a hapticity greater than 2. The device provides useful light emissions.

Organic element for electroluminescent devices

Gallium complex composition, process for doping silver halide emulsion grains with gallium complex composition, and gallium-doped silver halide emulsion

Process for doping silver halide emulsion grains with Group 8 transition metal shallow electron trapping dopant, selenium dopant, and gallium dopant, and doped silver halide emulsion

A photographic element which comprises a support bearing: (i) a first radiation-sensitive silver halide emulsion image-forming layer comprising a high bromide tabular grain emulsion including tabular grains having &lcub;111&rcub; major faces, exhibiting an average thickness of at least 0.07 &mgr;m and an average aspect ratio of at least 2; and (ii) a second radiation-sensitive silver halide emulsion image-forming layer comprising an ultrathin tabular grain emulsion including tabular grains having &lcub;111&rcub; major faces, containing greater than 70 mole percent bromide and at least 0.25 mole percent iodide, exhibiting an average thickness of less than 0.07 &mgr;m and an average equivalent circular diameter of at least 0.7 &mgr;m, and having latent image forming chemical sensitization sites on the surfaces of the tabular grains; wherein the surface chemical sensitization sites include epitaxially deposited silver halide protrusions containing an actual chloride concentration of from 20-50 mole %, based on epitaxially deposited silver, the chloride concentration being at least 10 mole percent higher than that of the tabular grains, and containing an actual iodide concentration of from 1 to 7 mole %, based on epitaxially deposited silver.

Ultrathin tabular grain silver halide emulsion with improved performance in multilayer photographic element

Tabular grain silver halide emulsion with uniform epitaxial deposition

A dimethylamine silver bromide complex is used as a single source precursor for nucleation of silver bromide crystals.

Preparation and use of a dimethylamine silver bromide complex as a

A dimethylamine silver chloro-iodide complex is used as a single source precursor for iodide incorporation in silver chloride crystals.

Preparation and use of A dimethylamine silver chloro-iodide complex as a

A dimeitylarnine silver bromo-iodide complex is used as a single source precursor for iodide incorporation in silver bromide crystals.

Preparation and use of a dimethylamine silver bromo-iodide complex as a

A dimethylamine silver chloride complex is used as a single source precursor for nucleation of silver chloride crystals.

Growing community of inventors

Rochester, NY, United States of America

Tommie L Royster, Jr