Sumitomo Chemical Company, Limited

Cambridge Display Technology Limited

Sumitomo Chemical Companylimited

Sumitomo Chemical Company, Limtied

Cambridge Display Teclmology Limited

Ruth Pegington

Martin Humphries

Sophie Barbara Heidenhain

Jonathan Nigel Pillow

Kiran Timothy Kamtekar

Florence Bourcet

James Morey

Mary Joyce McKiernan

Matthew Roberts

William Tarran

Michael Cass

David Mohamad

Thomas Kugler

Chizu Sekine

Annette Steudel

Richard J Wilson

Makoto Anryu

Hidenobu Kakimoto

Sheena Zuberi

Tomoyasu Yoshida

Satoshi Mikami

Martina Pintani

Richard Boakye Owoare

Francesco Di Stasio

Philip Stackhouse

Ian Johnson

Yonek Hleba

Elena Hojas Garcia

Alexander Doust

Sophie Heidenhain

Martin John Humphries

Annette Regine Steudel

A light-emitting polymer comprising a light-emitting repeat unit in a backbone of the polymer, wherein the polymer has an anisotropy of no more than 0.8 and wherein a transition dipole moment of the light-emitting repeat unit is aligned with the polymer backbone.

Organic light emitting polymer comprising light-emitting repeat unit in backbone of polymer and device therewith

A polymer comprising one or more optionally substituted repeat units of formula (I): wherein each Arindependently represents a substituted or unsubstituted aromatic or heteroaromatic group; each Arindependently represents a substituted or unsubstituted aromatic or heteroaromatic group; n and m in each occurrence is at least 1; and Rand Rare substituents wherein Rand Rare different.

Polymer comprising an unsymmetric diarylaminofluoren unit

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

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.

Organic light emitting device

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 having a backbone of alternating N atoms and aromatic or heteroaromatic groups including a repeating structure of formula (I) wherein: Rindependently in each occurrence is a substituent; m is 0 or a positive integer; Arand Arare an aryl or heteroaryl group and at least one group selected from Arand Arhas formula (II) wherein: each x is independently 0 or a positive integer; each y is independently 0 or a positive integer, and Rand Rindependently in each occurrence is a substituent.

Polymers comprising amino dihydrophenanthrene repeating units and organic electronic devices using the same

Methods of metal-catalysed polymerisation are described using a metal catalyst of formula (III): wherein Rin each occurrence is independently selected from Calkyl and aryl that may be unsubstituted or substituted with one or more substituents; y is 0 or 2; and Zis an anion. Methods described include Buchwald-type and Suzuki-type polymerisation.

Method of forming polymers

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 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

A polymer compound is provided having constitutional units of formula (1) and formula (2), and a constitutional unit of formula (3) and/or (4'): wherein Arto Ar, Ar, Ar&#x2032; and Arrepresent arylene groups or the like; Arto Arrepresent aryl groups or the like; Arrepresents (2+p)-valent aromatic hydrocarbon group or the like; Arrepresents (2+n)-valent aromatic hydrocarbon group or the like; Rrepresents alkyl group or the like; L, L, Land Lrepresent alkylene groups or the like; Land Lrepresent oxygen atoms or the like; Qrepresents monovalent crosslinkable group; Q&#x2032; to Q&#x2032; represent monovalent crosslinkable groups or the like; x, y, c, nA and nD represent 0 or 1; p represents integer of 1 or greater; na and ng represent integer of 0 to 3; nb and nh represent integer of 0 to 12; and n represents integer of 1 to 4.

Polymer compound and light emitting element using same

A polymer comprising one or more optionally substituted repeat units of formula (I): (I) wherein each Arindependently represents a substituted or unsubstituted aromatic or heteroaromatic group; each Arindependently represents a substituted or unsubstituted aromatic or heteroaromatic group; n and m in each occurrence is at least 1; and Rand Rare substituents wherein Rand Rare different. 

Polymer comprising an unsymmetric diarylaminofluorene unit

Methods of metal-catalyzed polymerization are described using a metal catalyst of formula (III): wherein Rin each occurrence is independently selected from Calkyl and aryl that may be unsubstituted or substituted with one or more substituents; y is 0 or 2; and Zis an anion. Methods described include Buchwald-type and Suzuki-type polymerization.

Growing community of inventors

Godmanchester, United Kingdom

Ruth Pegington