ORGANIC ELECTROLUMINESCENCE ELEMENT AND ELECTRONIC APPARATUS
申请人:IDEMITSU KOSAN CO., LTD.
公开号:US20210005826A1
公开(公告)日:2021-01-07
An organic electroluminescence device comprising a cathode, an anode and an organic layer disposed between the cathode and the anode, wherein the organic layer comprises a fluorescent emitting layer and the fluorescent emitting layer comprises a first compound, a second compound having a hole mobility larger than that of the first compound, and a dopant material showing a fluorescent spectrum with a half width of 30 nm or less; and an organic electroluminescence device comprising a cathode, an anode and an organic layer disposed between the cathode and the anode, wherein the organic layer comprises a fluorescent emitting layer and the fluorescent emitting layer comprises a first compound, a third compound having an affinity larger than that of the first compound, and a dopant material showing a fluorescent spectrum with a half width of 30 nm or less and the content of the third compound in the fluorescent emitting layer is less than that of the first compound in the fluorescent emitting layer are excellent in their performance.
In the organic electroluminescent device having at least an anode, a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer and a cathode in this order, the hole injection layer includes an arylamine compound of the following general formula (1) and an electron acceptor.
In the formula, Ar1 to Ar4 may be the same or different, and represent a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a substituted or unsubstituted condensed polycyclic aromatic group.
Aromatic Amine-Terphenyl Compounds and Use Thereof in Organic Semiconducting Components
申请人:Novaled GmbH
公开号:US20150011795A1
公开(公告)日:2015-01-08
The present invention relates to aromatic amine-terphenyl compounds and use thereof in organic semiconducting components.
本发明涉及芳香胺-三苯基化合物及其在有机半导体元件中的应用。
ORGANIC ELECTROLUMINESCENCE ELEMENT
申请人:Hodogaya Chemical Co., Ltd.
公开号:EP2960958A1
公开(公告)日:2015-12-30
An organic EL device having high efficiency, low driving voltage and a long lifetime is provided by combining various materials for an organic EL device, which are excellent, as materials for an organic EL device having high efficiency and high durability, in hole and electron injection/transport performances, electron blocking ability, stability in a thin-film state and durability, so as to allow the respective materials to effectively reveal their characteristics.
In the organic EL device having at least an anode, a hole injection layer, a first hole transport layer, a second hole transport layer, a light emitting layer, an electron transport layer and a cathode in this order, the second hole transport layer includes an arylamine compound represented by the following general formula (1).
[Chemical Formula 1]
The organic EL device of the present invention has an anode 2, a first hole transport layer 4, a second hole transport layer 5, a luminous layer 6, an electron transport layer 7, and a cathode 8 in the order of description. The second hole transport layer 5 includes an arylamine derivative represented by the following general formula (1):
and the electron transport layer 7 includes a pyrimidine compound represented by the following general formula (2):