Compound, composition and organic optoelectronic device and display device
A compound represented by a combination of Chemical Formula 1 and Chemical Formula 2 bonded together, a composition including the compound, an organic optoelectronic device, and a display device are disclosed. In Chemical Formula 1 and Chemical Formula 2, each substituent is the same as described in the specification.
1. A compound represented by a combination of Chemical Formula 1 and Chemical Formula 2 bonded together:
wherein, in Chemical Formula 1 and Chemical Formula 2,
X is O or S,
Z is hydrogen, deuterium, a substituted or unsubstituted C1 to C10 alkyl group, or a substituted or unsubstituted phenyl group,
L 1 and L 2 are each independently a single bond, or a substituted or unsubstituted C6 to C20 arylene group,
one of a* and b* of Chemical Formula 1 is a bond with c* of Chemical Formula 2, and the other of a* and b* is hydrogen, deuterium, a substituted or unsubstituted C1 to C10 alkyl group, or a substituted or unsubstituted C6 to C20 aryl group, and
R 1 to R 7 are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C10 alkyl group, or a substituted or unsubstituted C6 to C20 aryl group.
2. The compound as claimed in claim 1 , which is represented by Chemical Formula 1A or Chemical Formula 1B:
wherein, in Chemical Formula 1A and Chemical Formula 1B,
X is O or S,
Z is hydrogen, deuterium, a substituted or unsubstituted C1 to C10 alkyl group, or a substituted or unsubstituted phenyl group,
L 1 and L 2 are each independently a single bond, or a substituted or unsubstituted C6 to C20 arylene group, and
R a , R b , and R 1 to R 7 are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C10 alkyl group, or a substituted or unsubstituted C6 to C20 aryl group.
3. The compound as claimed in claim 2 , which is represented by one of Chemical Formula 1A-1 to Chemical Formula 1A-4 and Chemical Formula 1B-1 to 1B-3:
wherein, in Chemical Formula 1A-1 to Chemical Formula 1A-4, and Chemical Formula 1B-1 to Chemical Formula 1B-3,
X is O or S,
Z is hydrogen, deuterium, a substituted or unsubstituted C1 to C10 alkyl group, or a substituted or unsubstituted phenyl group,
L 1 and L 2 are each independently a single bond, or a substituted or unsubstituted C6 to C20 arylene group, and
R a , R b and R 1 to R 7 are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C10 alkyl group, or a substituted or unsubstituted C6 to C20 aryl group.
4. The compound as claimed in claim 3 , the compound being represented by Chemical Formula 1A-3 or Chemical Formula 1B-2.
5. The compound as claimed in claim 1 , wherein R 7 is a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted terphenyl group, a substituted or unsubstituted anthracenyl group, a substituted or unsubstituted phenanthrenyl group, or a substituted or unsubstituted triphenylenyl group.
6. The compound as claimed in claim 1 , the compound being selected from compounds of Group 1:
7. A composition, comprising:
the first compound represented by the combination of Chemical Formula 1 and Chemical Formula 2 bonded together as claimed in claim 1 , and
a second compound represented by Chemical Formula 3:
wherein, in Chemical Formula 3,
Y 1 and Y 2 are each independently a single bond or a substituted or unsubstituted C6 to C20 arylene group,
Ar 1 and Ar 2 are each independently a substituted or unsubstituted C6 to C20 aryl group or a substituted or unsubstituted C2 to C30 heterocyclic group,
R c and R 8 to R 13 are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C10 alkyl group, a substituted or unsubstituted C6 to C20 aryl group, a substituted or unsubstituted C2 to C30 heterocyclic group, a cyano group, or a combination thereof, and
m is 0, 1, or 2.
8. The composition as claimed in claim 7 , wherein Chemical Formula 3 is represented by Chemical Formula 3A:
wherein, in Chemical Formula 3A,
Y 1 and Y 2 are each independently a single bond or a substituted or unsubstituted C6 to C20 arylene group,
Ar 1 and Ar 2 are each independently a substituted or unsubstituted C6 to C20 aryl group or a substituted or unsubstituted C2 to C30 heterocyclic group, and
R 8 to R 13 are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C10 alkyl group, a substituted or unsubstituted C6 to C20 aryl group, a substituted or unsubstituted C2 to C30 heterocyclic group, a cyano group, or a combination thereof.
9. The composition as claimed in claim 7 , wherein:
Chemical Formula 3 is one of structures of Group II, and
—Y 1 —Ar 1 and *—Y 2 —Ar 2 are one of Group III:
wherein, in Group II and Group III, * is a linking point.
10. The composition as claimed in claim 9 , wherein:
Chemical Formula 3 is represented by Chemical Formula C-8 or Chemical Formula C-17 of Group II, and
—Y 1 —Ar 1 and *—Y 2 —Ar 2 are one of Group III.
11. An organic optoelectronic device, comprising:
an anode and a cathode facing each other,
at least one organic layer disposed between the anode and the cathode, wherein the organic layer includes the composition as claimed in claim 7 .
12. The organic optoelectronic device as claimed in claim 11 , wherein:
the organic layer includes a light emitting layer, and
the light emitting layer includes the composition.
13. A display device comprising the organic optoelectronic device as claimed in claim 11 .
14. An organic optoelectronic device, comprising:
an anode and a cathode facing each other,
at least one organic layer disposed between the anode and the cathode, wherein the organic layer includes the compound as claimed in claim 1 .
15. The organic optoelectronic device as claimed in claim 14 , wherein:
the organic layer includes a light emitting layer, and
the light emitting layer includes the compound.
16. A display device comprising the organic optoelectronic device as claimed in claim 14 .