Forming improved stabiity emissive layer from donor element in OLED device
A technology of stability and emission layer, applied in electrical components, electric solid-state devices, semiconductor devices, etc., can solve problems such as lowering stability, and achieve the effect of lowering working voltage, improving stability, and improving working stability
Inactive Publication Date: 2004-10-27
EASTMAN KODAK CO
48 Cites 1 Cited by
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Abstract
A method of forming an organic light-emitting device with improved stability including forming an anode over a substrate, providing a cathode spaced from the anode, and providing a donor element including light-emitting material and positioning such donor element in a material-transferring relationship with the substrate. The method further includes illuminating the donor element with radiation to cause the transfer of light-emitting material to deposit the light-emitting material to form an emissive layer over the anode, and forming an organic layer including an organic compound doped with a low work function metal or metal compound capable of acting as a donor dopant between the emissive layer and the cathode to lower the electron-injecting barrier from the organic layer into the emissive layer thereby improving the stability of the organic light-emitting device.
Application Domain
Electroluminescent light sourcesSolid-state devices +4
Technology Topic
Material transferFluence +7
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