Cdt Oxford Limited

Sumitomo Chemical Company, Limited

Cambridge Display Technology Limited

Caroline Towns, Legal Representative

Carl R Towns

Mary Joyce McKiernan

Ilaria Grizzi

Annette Steudel

A semiconductive hole transport material containing polar substituent groups, the polar substituent groups substantially not affecting the electronic properties of the hole transport material and the hole transport material being soluble in a polar solvent.

Polar semiconductor hole transporting material

An opto-electrical device comprising: a first electrode for injecting charge carriers of a first polarity; a second electrode for injecting charge carriers of a second polarity; and a layer of organic material disposed between the first and second electrodes, the layer of organic material comprising a blend of a first charge transporting and/or light-emissive polymer and a second charge transporting and/or light-emissive polymer, wherein at least the first polymer is cross-linked providing a first cross-linked matrix in which the second polymer is disposed.

Opto-electrical devices and methods of making the same

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Suffolk, United Kingdom

Caroline Towns, Legal Representative