30363-00-9Relevant articles and documents
Tertiary amine derivatives and organic electroluminescent device including the same
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Paragraph 0182-0185, (2021/06/15)
Provided is a tertiary amine derivative, which effectively absorbs high-energy external light sources in the UV region to minimize damage to organic materials inside an organic electroluminescent (EL) device, thereby contributing to a practical improvement of the lifespan of the organic EL device. An organic EL device according to the present invention comprises: a first electrode; a second electrode; one or more organic material layers disposed between the first electrode and the second electrode; and a capping layer, wherein the capping layer includes a tertiary amine derivative represented by formula 1 below: [Formula 1], in which each of substituents are the same as defined in the detailed descriptions of the invention.
Novel imidazole compound and electronic device material thereof, light-emitting element and electronic device capable of achieving an electronic device with low driving voltage and high current efficiency under a condition of forming the electronic device
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Paragraph 0086, (2017/11/01)
The present invention is primarily directed to providing a novel imidazole compound, which is capable of achieving an electronic device with low driving voltage and high current efficiency under a condition of forming the electronic device. The novel imidazole compound of the present invention is represented by the following general formula (1). (In formula (1), R 1 is an alkyl group having 1 to 24 carbon atoms, an aromatic hydrocarbon group having 6 to 24 carbon atoms or an aromatic heterocyclic group having 1 to 24 carbon atoms. R 2 is a functional group of Ar1-Ar2 represented by the following general formula (2). In formula (2), Ar1 is an aromatic hydrocarbon chain or an aromatic heterocyclic chain. Ar2 is a functional group represented by the following general formula of (3), (4), (5), (6), or (7)).