Back to results
US 9,960,352 B2Granted
Method of doping an organic semiconductor and doping composition
AssigneesCambridge Display Technology Limited, Sumitomo Chemical Company, Limited
InventorsThomas Kugler, Sheena Zuberi
Life of this patent
Estimating the term…
Abstract
A method of forming a n-doped semiconductor layer wherein a film comprising an organic semiconductor and an n-dopant reagent is irradiated by light having a wavelength that is within an absorption range of the organic semiconductor, and wherein an absorption maximum wavelength of the n-dopant precursor is shorter than any peak wavelength of the light. The n-doped semiconductor layer may be an electron-injection layer of an organic light-emitting device.
Claims9
A composition comprising:
- (a) an organic semiconductor comprising a unit comprising one or more of a C═N group, a nitrile group, a C═O group and a C═S group and (b) an n-dopant reagent comprising a 2,3-dihydro-benzoimidazole group.
Dependencies are inferred from the claim text.