Provided is an electroluminescent device. The electroluminescent device includes an anode, a cathode and an organic layer disposed between the anode and the cathode, where the organic layer includes at least a first compound having a structure of H-L-E and a second compound having a general formula of M(L
a
)
m
(L
b
)
n
(L
c
)
q
. The novel material combination consisting of the first compound and the second compound can enable the electroluminescent device to obtain a lower voltage, higher efficiency and an ultra-long lifetime and can provide better device performance. Further provided are a display assembly and a compound combination.
COMPOSITION FOR FORMING CHARGE-TRANSPORTING THIN FILM FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, CHARGE-TRANSPORTING THIN FILM FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, AND ORGANIC ELECTROLUMINESCENT ELEMENT
申请人:Nissan Chemical Industries, Ltd.
公开号:EP3270433A1
公开(公告)日:2018-01-17
Provided is a composition for forming a charge-transporting thin film for organic electroluminescent elements, which contains a dopant material that is composed of a nitrogen-containing heteroaromatic compound substituted by a cyano group and represented by one of formulae (D1)-(D5), a charge-transporting material and an organic solvent, and which is characterized in that the dopant material and the charge-transporting material are dissolved in the organic solvent.
Plurality of host materials and organic electroluminescent device comprising the same
申请人:Rohm and Haas Electronic Materials Korea Ltd.
公开号:US10454044B2
公开(公告)日:2019-10-22
The present disclosure relates to a host material and an organic electroluminescent device comprising the same. By using a specific combination of two or more host compounds according to the present disclosure, the organic electroluminescent device of the present disclosure has luminous efficiency at least equivalent to or higher than conventional devices and has lifespan better than conventional devices.
ORGANIC ELECTROLUMINESCENCE DEVICE AND DISPLAY APPARATUS
申请人:Watanabe Taiki
公开号:US20070292717A1
公开(公告)日:2007-12-20
The present invention provides an organic electroluminescence device using a novel phosphorescent metal complex compound and having high efficiency, high luminance, and high durability. The organic electroluminescence device includes a pair of electrodes including an anode and a cathode, and one or more organic layers each containing an organic compound, the one or more organic layers being interposed between the pair of electrodes, wherein at least one of the one or more organic layers contain a phosphorescent metal complex compound having at least one ligand structure represented by the following general formula (1):
where at least one of X, Y and Z represents an aromatic oligomer having 13 or more carbon atoms and bonded directly or via a linking group.
Metal Complex, Light-Emitting Device, and Image Display Apparatus
申请人:Kamatani Jun
公开号:US20080210930A1
公开(公告)日:2008-09-04
To provide a novel metal complex suitable as a compound for an organic EL device. A metal complex including a partial structure represented by the following general formula (
1
): in which R in the general formula (
1
) has a partial structure represented by the following general formula (
2
) or (
3
).