Organic optoelectronic device and display device
Disclosed are an organic optoelectronic device includes an anode and a cathode facing each other and an organic layer disposed between the anode and the cathode, wherein the organic layer includes at least one of a hole injection layer, a hole transport layer, a light emitting layer, and an electron transport layer, and the light emitting layer includes a first host, a second host, and a phosphorescent dopant represented by Chemical Formula 4, and a display device including the same.
1. An organic optoelectronic device, comprising:
an anode and a cathode facing each other; and
an organic layer disposed between the anode and the cathode,
wherein the organic layer includes at least one of a hole injection layer, a hole transport layer, a light emitting layer, and an electron transport layer,
wherein the light emitting layer includes a first host selected from compounds of [Group-1],
a second host selected from compounds of [Group-2] and
a phosphorescent dopant represented by Chemical Formula 4,
wherein, in Chemical Formula 4,
Z 4 to Z 11 are independently N, C or CR c ,
the ring C is bound to the ring B through a C—C bond,
iridium is bound to the ring B through a Ir—C bond,
X 2 is O or S,
R c and R 14 to R 19 are independently hydrogen, deuterium, a halogen, germanium group, a cyano group, a substituted or unsubstituted silyl group, a substituted or unsubstituted C1 to C10 alkyl group, a substituted or unsubstituted C 3 to C20 cycloalkyl group, a substituted or unsubstituted C1 to C10 alkylsilyl group, a substituted or unsubstituted C6 to C20 aryl group, or a substituted or unsubstituted C2 to C30 heterocyclic group, and
n is an integer ranging from 1 to 3.
2. The organic optoelectronic device of claim 1 , wherein Chemical Formula 4 is represented by one of Chemical Formula 4-1 to Chemical Formula 4-6:
wherein, in Chemical Formula 4-1 to Chemical Formula 4-6,
X 2 is O or S,
R c1 , R c2 , R c3 , and R 14 to R 19 are independently hydrogen, deuterium, a halogen, germanium group, a cyano group, a substituted or unsubstituted silyl group, a substituted or unsubstituted C1 to C10 alkyl group, a substituted or unsubstituted C3 to C20 cycloalkyl group, a substituted or unsubstituted C1 to C10 alkylsilyl group, a substituted or unsubstituted C6 to C20 aryl group, or a substituted or unsubstituted C2 to C30 heterocyclic group, and
n is an integer ranging from 1 to 3.
3. The organic optoelectronic device of claim 1 , wherein Chemical Formula 4 is represented by Chemical Formula 4-1:
wherein, in Chemical Formula 4-1,
X 2 is O or S,
R c1 , R c2 , R c3 , and R 14 to R 19 are independently hydrogen, deuterium, a halogen, a substituted or unsubstituted silyl group, a substituted or unsubstituted C1 to C10 alkyl group, a substituted or unsubstituted C1 to C10 alkylsilyl group, or a substituted or unsubstituted C6 to C20 aryl group,
n is an integer ranging from 1 to 3,
“substituted” refers to replacement of at least one hydrogen of a substituent or a compound by deuterium, a halogen, a C1 to C4 alkyl group, or a C6 to C12 aryl group.
4. A display device comprising the organic optoelectronic device according to claim 1 .