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Godmanchester, United Kingdom

Patent
Sumitomo Chemical and Cambridge Display Technology | Date: 2014-01-09

A method of forming a layer of an electronic device, for example an organic light-emitting device, the method comprising the step of depositing a precursor layer comprising a compound of formula (I) and reacting the compound of formula (I) in a ring-opening addition reaction: wherein Core is a non-polymeric core group; and each Reactive Group, which may be the same or different in each occurrence, is a group of formula (II): wherein Sp


Patent
Cambridge Display Technology and Sumitomo Chemical | Date: 2015-03-31

A polymer comprising repeat units of formula (I) and repeat units of formula (II): wherein: Ar1 and Ar2 independently in each occurrence represents an aryl or heteroaryl group that may be unsubstituted or substituted with one or more substituents; Ar3 represents a fused aromatic or heteroaromatic group that may be unsubstituted or substituted with one or more substituents; R is a substituent; m is 0, 1 or 2 with the proviso that Ar2 is not phenanthrene if m is 1; each R9 is independently a substituent, and the two groups R9 may be linked to form a ring; each z is independently 0, 1 or 2; and each R10 is independently a substituent. The polymer may be used in an organic light-emitting device.


Patent
Cambridge Display Technology and Sumitomo Chemical | Date: 2014-06-05

An organic light-emitting device comprising an anode; a cathode; a first light-emitting layer between the anode and the cathode; and a second light-emitting layer between the first light-emitting layer and the cathode, wherein:


Patent
Cambridge Display Technology and Sumitomo Chemical | Date: 2015-01-22

A compound of formula (I) wherein: wherein X is O or S; R


Patent
Cambridge Display Technology and Sumitomo Chemical | Date: 2015-06-25

A co-polymer comprising a repeat unit of formula (I): wherein Ar

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