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US 9,318,715 B2Granted
Hole transport composition without luminance quenching
AssigneeE. I. Du Point De Nemours and Company
InventorYing Wang
Life of this patent
Estimating the term…
Abstract
There is provided a hole transport composition including (a) an inert matrix polymer and (b) at least 10% by weight, based on the total weight of the composition, of a cyclometalated iridium complex.
Claims15
A hole transport composition comprising (a) an inert matrix polymer and (b) at least 10% by weight, based on the total weight of the composition, of a cyclometalated iridium complex;
- wherein the hole transport composition does not cause luminance quenching.
An electronic device comprising, in order, anode, hole transport layer, photoactive layer, cathode, wherein the hole transport layer comprises:
- (a) an inert matrix polymer and (b) at least 10% by weight, based on the total weight of the composition, of a cyclometalated iridium complex;
- and wherein the hole transport layer does not cause luminance quenching.
Dependencies are inferred from the claim text.