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:
Organic electroluminescence device and novel compound
申请人:IDEMITSU KOSAN CO., LTD.
公开号:US10249832B1
公开(公告)日:2019-04-02
To provide an organic electroluminescence device having a high luminous efficiency and a novel compound that can be used as a material for an organic electroluminescence device having a high luminous efficiency.
A compound represented by the following formula (3-I), wherein at least one of R1 to R7 and R10 to R11 is —N(R36)(R37). R31 to R37 are independently a hydrogen atom, a substituted or unsubstituted alkyl group including 1 to 50 carbon atoms, a substituted or unsubstituted cycloalkyl group including 3 to 50 ring carbon atoms, a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms or a substituted or unsubstituted monovalent heterocyclic group including 5 to 50 ring atoms.
HETEROCYCLIC COMPOUND, LIGHT-EMITTING DEVICE INCLUDING HETEROCYCLIC COMPOUND, AND ELECTRONIC APPARATUS INCLUDING LIGHT-EMITTING DEVICE
申请人:Samsung Display Co., Ltd.
公开号:US20210376262A1
公开(公告)日:2021-12-02
A heterocyclic compound represented by Formula 1:
wherein, in Formula 1, Ar
1
to Ar
4
, Ar
4
, Ar
11
, and Ar
12
are each, independently from one another, as defined herein.
Compound, composition, organic electroluminescent element and electronic device
申请人:IDEMITSU KOSAN CO., LTD
公开号:US11271164B2
公开(公告)日:2022-03-08
A compound is represented by a formula (2) below. In the formula (2), at least one pair of a pair of X1 and X2, a pair of X2 and X3, a pair of X3 and X4, a pair of X4 and X5, a pair of X7 and X8, a pair of X8 and X9, a pair of X10 and X11, a pair of X11 and X12, a pair of X12 and X13, and a pair of X16 and X1 are carbon atoms to be bonded to a structure represented by as formula (2a) or (2b) below,