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CDT has a world-class portfolio of intellectual property (IP) centred on light emitting diode technology. We continue to research heavily, not only into device design, manufacturing processes needed to fabricate practical devices, but also into non-emissive materials, such as OSC and PV materials.
Our strong and growing collection of basic patents has been extended through filing on improvements to extend our position and the lifetime of patent coverage.
A simple breakdown of patent coverage is shown below.

Our licensees benefit from the right to exploit our IP in their chosen fields, and enjoy our protection in the defence of these rights.
Our joint venture with Sumitomo Chemical (Sumation™) has access to the 'lumation' IP portfolio formerly controlled by Dow Chemical, and continues to develop new, patentable, materials for display and lighting applications.
Researchers will benefit from viewing our patents listing.
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