Cambridge Display Technology Limited

Sumitomo Chemical Company, Limited

Cdt Oxford Limited

Merck Patent Gmbh

Sumitomo Chemical Company, Limtied

Cambridge Display Teclmology Limited

Sophie Barbara Heidenhain

Annette Steudel

Ruth Pegington

Jonathan Nigel Pillow

Mary Joyce McKiernan

Martin Humphries

Mark Leadbeater

Richard Boakye Owoare

Daniel Hicks

Carl R Towns

Chizu Sekine

Ilaria Grizzi

Kiran Timothy Kamtekar

Richard J Wilson

Makoto Anryu

Matthew Roberts

Hidenobu Kakimoto

Clare Foden

Thomas Pounds

Tomoyasu Yoshida

Paul Wallace

Nalinkumar Lallubhai Patel

Natasha M Conway

Satoshi Mikami

Nigel A Male

Michael Cass

Michael John Frampton

Scott Edward Watkins

Ian Rees

Natasha M J Conway

Fredrik Jakobsson

Philip Stackhouse

Mary Mckiernan

Alexander Doust

Elena Hojas Garcia

Gary Watts

Jonthan N G Pillow

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

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 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

A polymer comprising a repeat unit of formula (I): (I) wherein Arand Areach independently represent a substituted or unsubstituted aryl or heteroaryl group; Sp represents a spacer group comprising a chain of at least 2 aliphatic carbon atoms spacing Arfrom Ar; m is at least 1; and if m is greater than 1 then &#x2014;(Ar)m forms a linear or branched chain of Argroups in which Arin each occurrence may be the same or different. 

Fluorene containing copolymer used in light emitting devices

A monomer for use in manufacturing a conjugated polymer, the monomer having a structure as shown formula (2): 

Rigid amines

A light emitting device comprising: an anode; a cathode; a light emissive layer located between the anode and the cathode, said light emissive layer comprising a charged metal complex for emitting light and a counterion or counterions with sufficient charge to balance the change on the charged metal complex; characterized in that the counterion or counterions are substantially immobile so (that light output from the device is immediate, provided that the combined charged metal complex and counterion do not have General Formula: (I) or (II); where C&#x2014;N is a cyclometallated liquid.

Light-emitting device

The invention relates to organic semiconductive polymers comprising a new backbone system, monomers for the preparation of such polymers, methods for the preparation of such polymers and the use of such polymers in organic optoelectronic devices.

Aryl-substituted polyindenofluorenes for use in organic electroluminiscent devices

A monomer for use in manufacturing a conjugated polymer, the monomer having a structure as shown formula (2):  Ar, Arand Arare independently selected from optionally substituted aryl or heteroaryl, Xand Xboth independently comprise a leaving group capable of participating in polymerisation and Z represents a direct bond or an optionally substituted bridging atom.

Conjugated polymers prepared from rigid amines

A semiconductive polymer comprising a first repeat unit in the polymer backbone comprising general formula 1: 

Arylamine polymer

A process is provided for the synthesis of a compound of formula (I): wherein:

Process for the synthesis of arylfluorenes and analogs thereof

Growing community of inventors

Lower Cambourne, United Kingdom

Sophie Barbara Heidenhain