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Cambridge Display Technology Limited patents


Recent patent applications related to Cambridge Display Technology Limited. Cambridge Display Technology Limited is listed as an Agent/Assignee. Note: Cambridge Display Technology Limited may have other listings under different names/spellings. We're not affiliated with Cambridge Display Technology Limited, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "C" | Cambridge Display Technology Limited-related inventors


Optical detection unit

An improved optical detection unit for an assay device, such as a lateral flow device, for the quantitative determination of the concentration of an analyte in a liquid sample, and an assay device comprising the same. The detection unit comprises an organic light emitting diode (oled) emitter that has an emission spectrum e within the wavelength range from λ1 to λ2, and an organic photodiode detector (opd) that has a light detection spectrum s within the wavelength range from λ1 to λ2. ... Cambridge Display Technology Limited

High contrast light emitting device

An organic light emitting device having a layered structure comprising: a getter layer (6); an adhesive layer (5); a non-transparent cathode layer (4); a light-emitting layer (3); and a transparent anode layer (2); wherein the getter layer or adhesive layer include light absorbing materials to improve contrast in use.. . ... Cambridge Display Technology Limited

Phosphorescent ink

A phosphorescent ink comprises a first solvent, a stabiliser and a first phosphorescent metal complex wherein the first phosphorescent metal complex comprises at least one aryl-imidazole or heteroaryl-imidazole ligand that may be unsubstituted or substituted with one or more substituents and wherein the solvent is selected from: linear, branched or cyclic ethers comprising one or more o—ch2 units; solvents comprising a ch2—c(r6)h—ch2 unit wherein r6 is an organic residue and the two ch2 groups may be linked by a divalent group: bicyclic, partially or fully saturated solvents; solvents of formula r8—cr7═cr7—ch2—r8 wherein each r7 is independently h or c1-10 alkyl and r8 in each occurrence is independently an organic residue; and solvents comprising a benzyl group. The stabiliser may be an antioxidant. ... Cambridge Display Technology Limited

Improved charge storage device and system

. . A charge storage device and system comprises an anode assembly and a cathode assembly, each of the assemblies comprising a charge storage layer of a conjugated polymer material, wherein the conjugated polymer material of the charge storage layer of the cathode assembly is air stable and non-ionic in its discharged state, and wherein the conjugated polymer material of the charge storage layer of the anode assembly includes is air stable and non-ionic in its discharged state. The polymer materials are fully conjugated along the main chain, and are made by processes that do not involve oxidative or electrochemical polymerisation. ... Cambridge Display Technology Limited

Organic light emitting device

An oled comprising a hole-transporting layer and light-emitting layer wherein the hole-transporting layer comprises a hole-transporting polymer wherein no more than 5% of the polystyrene equivalent polymer weight measured by gel permeation chromatography consists of chains with weight of less than 50,000.. . ... Cambridge Display Technology Limited

Doping organic semiconductors

We describe a method for reducing a parasitic resistance at an interface between a conducting electrode region and an organic semiconductor in a thin film transistor, the method comprising: providing a solution comprising a dopant for doping said semiconductor, and depositing said solution onto said semiconductor and/or said conducting electrode region to selectively dope said semiconductor adjacent said interface between said conducting electrode region and said semiconductor, wherein depositing said solution comprises inkjet-printing said solution.. . ... Cambridge Display Technology Limited

Light-emitting device

A light-emitting device having an anode, a cathode, a first organic layer disposed between the anode and the cathode, and a second organic layer disposed between the anode and the first organic layer and adjacent to the first organic layer is provided. The first organic layer contains a phosphorescent compound of formula (1), and the second organic layer contains a crosslinked body formed from a polymer compound having a crosslinkable group in which the average number of the crosslinkable groups in the polymer compound per molecular weight of 1000 is at least 0.5.. ... Cambridge Display Technology Limited

Method of making an electrode

A method of making an electrode for an organic electronic device comprises the steps of depositing an ink on a light emitting layer, and drying said ink to form said electrode. The ink comprises conductive metal or carbon particles, a binder and a hydrocarbon solvent selected from 1, 1′-bicyclohexyl, cis-decalin trans-decaiin or n-undecane.. ... Cambridge Display Technology Limited

Organic transistor

An organic thin film transistor comprising source and drain electrodes (103, 105); a semiconducting region between the source and drain electrodes; a charge-transporting layer (107) comprising a charge-transporting material extending across the semiconducting region and in electrical contact with the source and drain electrodes; an organic semiconducting layer (109) comprising an organic semiconductor extending across the semiconducting region; a gate electrode (113); and a gate dielectric (111) between the gate electrode and the organic semiconducting layer.. . ... Cambridge Display Technology Limited

Light-emitting device

. . Provided is a light emitting device which is excellent in external quantum efficiency. The light emitting device comprises an anode, a cathode, a first light-emitting layer provided between the anode and the cathode, and a second light-emitting layer provided between the anode and the cathode. ... Cambridge Display Technology Limited








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