A poly(arylamine) composition comprising one or more compounds of Formula (I): ##STR1## wherein: R is independently in each occurrence a C.sub.1-24 hydrocarbyl, C.sub.1-24 hydrocarboxy, C.sub.1-24 hydrocarbylthiooxy, or C.sub.1-24 hydrocarbylcarboxyl; Ar.sup.1 and Ar.sup.2 are independently in each occurrence a C.sub.6-18 aryl moiety optionally substituted with a C.sub.1-12 hydrocarbyl, C.sub.1-12 hydrocarbyloxy, C.sub.1-12 hydrocarbylthiooxy, or C.sub.1-12 hydrocarbylcarboxyl; A is independently in each occurrence hydrogen or a halogen; x is independently in each occurrence a positive number from 0 to 1; n is independently in each occurrence a whole number of from 0 to 4; and m is a number of from about 5 to about 1000.
Doping methods for hole injection and transport layers
申请人:Plextronics, Inc.
公开号:US20130092887A1
公开(公告)日:2013-04-18
A method including combining at least one first compound in a neutral form with at least one ionic dopant in a first solvent system to provide a first doped reaction product, isolating the first doped reaction product in solid form, and combining the isolated first doped reaction product with at least one conjugated polymer in neutral form in a second solvent system to form a second doped reaction product including an oxidized form of the conjugated polymer a neutral form of the first compound. Advantages include better stability, ease of use, and lower metal content. Applications include organic electronic devices including OLEDs.
An organic electroluminescent device that comprises a substrate (203), a transparent first conductive layer (201) next to the substrate, an electron-transporting and light-emitting layer (209), a hole-transporting layer (205) sandwiched between the first conductive layer and the electron-transporting and light-emitting layer, and a second conductive layer (211) next to the electron-transporting and light-emitting layer and remote from the hole-transporting layer. The hole-transporting layer comprises a poly(arylamine) including at least one compound of one or more compounds of from about 5 to about 1000 of monomer. The monomers useful in the preparation of the poly(arylamines) comprise two amino moieties in which each amino moiety is bound to three aryl moieties in which two halo moieties are optionally bound to the monomer.
An organic light-emitting apparatus includes an organic light-emitting device and a magnetic field-applying member that applies a magnetic field to the organic light-emitting device. The organic light-emitting device includes a host and a dopant.
Organic light-emitting device and method of operating the same
申请人:SAMSUNG ELECTRONICS CO., LTD.
公开号:US10366653B2
公开(公告)日:2019-07-30
An organic light-emitting device including a magnetoresistive element including a first magnetic layer, a second magnetic layer, and a separation layer disposed between the first magnetic layer and the second magnetic layer, an organic light-emitting element electrically connected to the magnetoresistive element, wherein the organic light-emitting element comprises a first electrode, a second electrode, and an organic light-emission layer disposed between the first electrode and the second electrode, a magnetic field applying unit configured to apply a magnetic field to at least the magnetoresistive element, and optionally, to the organic light-emitting element, a power source configured to supply a current between the magnetoresistive element and the organic light-emitting element, and a current source configured to apply a current between both terminals of the organic light-emitting element, wherein light-emission characteristics of the organic light-emitting device are changed depending on a direction and intensity of a current passing through the magnetoresistive element due to the power source and a direction and intensity of a current passing through the organic light-emitting element due to the power source and the current source.