The present disclosure relates to an organic light emitting device that includes a substrate; and an organic light emitting diode positioned on the substrate and including a first electrode; a second electrode facing the first electrode; a first emitting material layer including a first dopant of a boron derivative and a first host of an anthracene derivative and positioned between the first and second electrodes; a first electron blocking layer including an electron blocking material of amine derivative and positioned between the first electrode and the first emitting material layer; and a first hole blocking layer including a hole blocking material and positioned between the second electrode and the first emitting material layer, wherein the first host is deuterated.
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.
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC ELECTROLUMINESCENT ELEMENT, AND ELECTRONIC DEVICE
申请人:IDEMITSU KOSAN CO.,LTD.
公开号:US20210094937A1
公开(公告)日:2021-04-01
A compound represented by formula (1) provides an organic electroluminescence device having lifetime further improved:
wherein R
1
to R
9
, R
11
to R
18
, R
21
to R
27
, Ar, L
1
, L
2
, and L
3
are as defined in the description.
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
申请人:IDEMITSU KOSAN CO., LTD.
公开号:US20210005825A1
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 at least one first compound selected from the compounds represented by formulae (19), (21), (22), and (23), a second compound selected from the compounds represented by formula (3a), and a dopant material selected from the compounds represented by formulae (D1) and (D2) is excellent in its performance.
NOVEL COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE
申请人:IDEMITSU KOSAN CO.,LTD.
公开号:US20200377513A1
公开(公告)日:2020-12-03
A compound represented by the following formula (1):
以下公式(1)所代表的化合物:
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC ELECTROLUMINESCENT ELEMENT, AND ELECTRONIC DEVICE
申请人:IDEMITSU KOSAN CO., LTD.
公开号:US20200392122A1
公开(公告)日:2020-12-17
A compound represented by formula (1):
wherein R
1
to R
7
, R
11
to R
18
, L
1
to L
3
, a to c, n, and Ar are as defined in the description,
provides an organic electroluminescence device having an emission efficiency and a device lifetime further improved.