申请人:Samsung Electronics Co., Ltd.
公开号:US20170062718A1
公开(公告)日:2017-03-02
An organic light-emitting device including a first electrode, a second electrode facing the first electrode, and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer comprises an emission layer and satisfies Equations 1 and 2,
E
T1(HOST)
−E
T1(AD)
>0.05 eV Equation 1
E
S1(FD)
−E
S1(AD)
<0 eV, Equation 2
wherein in Equation 1, E
T1(HOST)
is a triplet energy (eV) of the host, and E
T1(AD)
is a triplet energy (eV) of the auxiliary dopant, and wherein in Equation 2, E
S1(FD)
is a singlet energy (eV) of the fluorescent dopant, and E
S1(AD)
is a singlet energy (eV) of the auxiliary dopant, wherein the emission layer comprises a host, an auxiliary dopant, and a fluorescent dopant, and wherein the auxiliary dopant is selected from compounds represented by Formula 1:
wherein in Formula 1, Ar
1
and R
11
to R
16
are the same as described in the specification.