Cambridge Display Technology Limited

Sumitomo Chemical Company, Limited

Cdt Oxford Limited

Isis Innovation Limited

Other

University Court of the University of St. Andrews

Jonathan Nigel Pillow

Martin Humphries

Ruth Pegington

Sophie Barbara Heidenhain

Paul Leslie Burn

Ifor David Samuel

Christian Nielsen

Mary Joyce McKiernan

Thomas Kugler

Ilaria Grizzi

Martina Pintani

Nigel A Male

Richard Boakye Owoare

James Morey

Natasha M J Conway

Fredrik Jakobsson

Annette Steudel

Matthew Roberts

Richard J Wilson

Florence Bourcet

Sheena Zuberi

Tomoyasu Yoshida

Thomas Pounds

Shih-Chun Lo

Nalinkumar Lallubhai Patel

Natasha M Conway

Michael Cass

Simon King

Victor Christou

John Lupton

Shigeya Kobayashi

Francesco Di Stasio

Philip Stackhouse

Torsten Bünnagel

Alexander Doust

Mounir Halim

Gary Watts

Ian Johnson

Francesco Distasio

Edward Snedden

Yonek Hleba

John Mark Lupton

Ian Warburton

Sophie Heidenhain

Natasha Conway

Mary Mckiernan

Light-emitting composition and devices including the same, the composition including a fluorescent light-emitting material and a polymer having a conjugating repeat unit and a non-conjugating repeat unit in a backbone of the polymer, and in which the conjugating repeat unit provides at least one conjugation path between repeat units linked to it; the non-conjugating repeat unit reduces conjugation of the polymer as compared to a polymer in which the non-conjugating repeat unit is absent; and a triplet excited state energy level of the light-emitting material is higher than a triplet excited state energy level of the non-conjugating repeat unit.

Polymer and organic light-emitting device

A composition comprising a first material substituted with at least one group of formula (I) and a second material substituted with at least one group selected from groups of formulae (IIa) and (IIb): wherein: Spand Spare spacer groups; NB independently in each occurrence is a norbornene group that may be unsubstituted or substituted with one or more substituents; n1 and n2 are 0 or 1; m1 is 1 if n1 is 0 and m1 is at least 1 if n1 is 1; m2 is 1 if n2 is 0 and m2 is at least 1 if n2 is 1; Arrepresents an aryl or heteroaryl group; Rindependently in each occurrence is H or a substituent; and * represents a point of attachment to the first or second material. The composition may be used to form a layer of an organic electronic device, for example the hole-transporting layer of an organic light-emitting device.

Hole transporting compounds and compositions

The present invention relates to an organic flow cell battery having a material comprising an organic molecule that can be used as the electroactive redox material for both electrodes of the battery. By enabling two-electron processes both of the oxidation and reduction to occur in a single molecule, a total of 4-electron transitions is achieved, which allows the organic molecule to be used on both sides of the separator, reducing material costs and allowing the battery to be charge in either direction with equal ease.

Organic flow cell batteries and materials for use in same

An organic electronic device comprising an anode, a cathode, a semiconducting layer between the anode and the cathode and a hole transporting layer between the anode and the semiconducting layer, the hole-transporting layer comprising a co-polymer comprising repeat units of formula (I) and one or more co-repeat units: (I) wherein: Arindependently in each occurrence represents a fused aryl or fused heteroaryl group that may be unsubstituted or substituted with one or more substituents; Arrepresents an aryl or heteroaryl group that may be unsubstituted or substituted with one or more substituents; R independently in each occurrence represents a substituent; and m is 1 or 2, preferably 1; and each Aris directly bound to an aromatic or heteroaromatic group of a co-repeat unit. 

Amino fluorene monomers, polymers, and organic electronic devices

A polymer comprising a repeat unit of formula (I): wherein Rin each occurrence is independently H or a substituent, and the two groups Rmay be linked to form a ring; Rin each occurrence is independently a substituent; Arin each occurrence is independently an aryl or heteroaryl group that may be unsubstituted or substituted with one or more substituents; Rin each occurrence is independently a substituent; each n independently is 0, 1, 2 or 3 with the proviso that at least one n=1; and each m is independently 0 or 1. The polymer may be a light-emittingof an organic light-emitting device. 

Polymer and organic electronic device

A composition suitable for use in an organic light-emitting layer () of an organic light-emitting device having an anode () and a cathode (), the composition comprising a fluorescent light-emitting material, a first triplet-accepting material and a second triplet-accepting material that is different from the first triplet-accepting material. The fluorescent light-emitting material may be a repeat unit of a light-emitting polymer, and the first and second triplet-accepting materials may independently be repeat units of the light-emitting polymer or may be mixed with the fluorescent light-emitting material.

Organic light-emitting compositions having multiple triplet-accepting materials, and devices and methods thereof

A method of fractionating a semiconducting polymer wherein the semiconducting polymer comprises polymer chains comprising a defect group, the method comprising the steps of reacting the polymer chains comprising a defect group to form polymer chains comprising separating groups; and separating the polymer chains comprising the separating groups from the semiconducting polymer. The separating group may be a binding group X capable of binding to a solid substrate material, for example particulate silica.

Method of treating a polymer

A light-emitting composition comprising a mixture of a fluorescent light-emitting material a triplet-accepting copolymer comprising a triplet-accepting repeat unit and a repeat unit of formula (I): wherein A is a divalent group; Rindependently in each occurrence is a substituent; Rin each occurrence is H or a substituent; and x independently in each occurrence is 0, 1, 2 or 3.

Organic light-emitting composition, device and method

A polymer comprising a repeat unit of formula (I): wherein Rin each occurrence is independently H or a substituent; Rin each occurrence is independently a substituent; and x is 0, 1, 2 or 3. The polymer may be used as a light-emitting polymer in an organic light-emitting device.

Polymer and organic light emitting device

A copolymer comprising a repeat unit of Formula (I) and at least one further repeat unit: Formula (I) wherein: wherein: Arand Arare each independently selected from aryl and heteroaryl, each of which is independently unsubstituted or substituted with one or more substituents; each R is independently a substituent; each n is independently 0, 1 or 2; each m is independently 0, 1, 2 or 3, and at least one of the repeat units of the polymer is a partially conjugating repeat unit. 

Polymer and device

Composition which may be useful in an organic light emitting diode, the composition having a fluorescent light-emitting polymer with light-emitting repeat units, and a triplet-accepting unit mixed with the light-emitting polymer.

Organic light-emitting device and method

A polymer comprising an optionally substituted repeat unit of formula (I): wherein Rand Rin each occurrence are independently selected from H or a substituent; Rand Rmay be linked to form a ring; and A is an optionally substituted linear, branched or cyclic alkyl group. 

Polymer

A composition for use in fabricating opto-electrical devices comprising a solution processable triazine host material and a phosphorescent moiety.

Compounds for use in opto-electrical devices

An electroluminescent device () having a first layer comprising a fluorinated first organic compound with one or more fluorene residues and soluble in a fluorinated solvent, the first layer being adjacent to a second layer having second organic compound that is insoluble in a fluorinated solvent, and methods and materials for making said device.

Electroluminescent device

A non-carcinogenic process for the activation of zinc metal in a medium polarity solvent, wherein said zinc metal is activated by the reaction thereof with a halogen and a lithium compound selected from lithium halides and lithium pseudohalides, the use of said activated zinc metal for the preparation of an organozinc halide of formula R&#x2014;ZnX, and a process for the preparation of compounds obtainable by the reaction of said organozinc halide of formula R&#x2014;ZnX with compounds having functionality enabling them to react with said organozinc halide.

Process for the in situ activation of zinc metal

Growing community of inventors

Durham, United Kingdom

Jonathan Nigel Pillow