Organic electroluminescence device and monoamine compound for organic electroluminescence device
An organic electroluminescence device and a monoamine compound for an organic electroluminescence device are provided. The monoamine compound is represented by Formula 1. In Formula 1, FR is a phenanthryl group which is substituted with one phenyl group.
1. An organic electroluminescence device, comprising:
a first electrode;
a hole transport region disposed on the first electrode;
an emission layer disposed on the hole transport region;
an electron transport region disposed on the emission layer; and
a second electrode disposed on the electron transport region,
wherein the first electrode and the second electrode each independently comprises at least one material selected from the group consisting of Ag, Mg, Cu, Al, Pt, Pd, Au, Ni, Nd, Ir, Cr, Li, Ca, LiF/Ca, LiF/AI, Mo, Ti, In, Sn, and Zn, or a compound of two or more materials selected therefrom, a mixture of two or more materials selected therefrom, or oxides thereof,
wherein the hole transport region comprises a monoamine compound represented by the following Formula 1:
wherein in Formula 1,
L 2 and L 3 are each independently a direct linkage or an unsubstituted arylene group having 6 to 12 carbon atoms for forming a ring,
“b” to “c” are each independently an integer of 0 to 2,
Ar 2 is a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted heteroaryl group having 5 to 12 carbon atoms for forming a ring, and
FR is represented by one of the following Formulae 3-1 or 3-3:
and -(L 1 ) a -Ar 1 is represented by one of the following structures:
2. The organic electroluminescence device of claim 1 , wherein
the hole transport region has a multilayer structure having a plurality of layers, and
a layer making contact with the emission layer among the plurality of layers comprises the monoamine compound represented by Formula 1.
3. The organic electroluminescence device of claim 1 , wherein the hole transport region comprises:
a hole injection layer disposed on the first electrode;
a hole transport layer disposed on the hole injection layer; and
an electron blocking layer disposed on the hole transport layer, and
the electron blocking layer comprises the monoamine compound represented by Formula 1.
4. The organic electroluminescence device of claim 1 , wherein “c” is 1, and L 3 is a substituted or unsubstituted phenylene group, or a substituted or unsubstituted naphthylene group.
5. The organic electroluminescence device of claim 1 , wherein the emission layer comprises a pyrene-based compound, and
wherein the electron transport region comprises a triphenylene-based compound.
6. The organic electroluminescence device of claim 1 , wherein the monoamine compound represented by Formula 1 is at least one compound selected from compounds represented in the following Compound Group 1 and Compound Group 2:
7. A monoamine compound, represented by the following Formula 1:
wherein in Formula 1,
L 2 and L 3 are each independently a direct linkage or an unsubstituted arylene group having 6 to 12 carbon atoms for forming a ring,
“b” to “c” are each independently an integer of 0 to 2,
Ar 2 is a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted heteroaryl group having 5 to 12 carbon atoms for forming a ring, and
FR is represented by one of the following Formulae 3-1 or 3-3:
and -(L 1 ) a -Ar 1 is represented by one of the following structures:
8. The monoamine compound of claim 7 , wherein “c” is 1, and L 3 is a substituted or unsubstituted phenylene group, or a substituted or unsubstituted naphthylene group.
9. The monoamine compound of claim 7 , wherein the monoamine compound represented by Formula 1 is one selected from compounds represented in the following Compound Group 1:
10. A monoamine compound consisting of at least one selected from compounds represented in the following Compound Group 1 and Compound Group 2: