Organic electronic material
The present invention discloses an “organic electronic material”, belonging to the organic light-emitting device (OLED) display materials field. The organic electronic material in the present invention has a structural formula (I). The OLED made by this kind of organic light-emitting material has the advantages of excellent light-emitting efficiency, excellent color purity and long service lifetime.
1. An organic electronic material having a structure of formula I:
wherein,
R 1 -R 8 independently represent hydrogen, halogen, cyano, nitro, C1-C8 alkyl, C1-C8 alkoxy, C2-C8 substituted or unsubstituted alkenyl, C2-C8 substituted or unsubstituted alkynyl, C1-C4 alkyl substituted or unsubstituted phenyl, or C1-C4 alkyl substituted or unsubstituted naphthyl; and
Ar 1 -Ar 4 independently represent C1-C4 alkyl or C6-C30 aryl substituted phenyl, C1-C4 alkyl or C6-C30 aryl substituted naphthyl, phenyl, naphthyl, C6-C30 N-aryl or C1-C4 alkyl-substituted carbazolyl, dibenzothiophenyl, dibenzofuranyl, anthryl, phenanthryl, pyrenyl, perylenyl, fluoranthenyl, (9,9-di-alkyl) fluorenyl, (9,9-dialkyl-substituted or unsubstituted aryl) fluorenyl, or 9,9-spiro-fluorenyl.
2. The organic electronic material according to claim 1 , wherein:
R 1 -R 8 independently represent hydrogen, halogen, C1-C4 alkyl, C1-C4 alkyl substituted or unsubstituted phenyl, or C1-C4 alkyl substituted or unsubstituted naphthyl; and
Ar 1 -Ar 4 independently represent phenyl, tolyl, t-butyl phenyl, naphthyl, methyl naphthalene, biphenyl, diphenyl phenyl, naphthyl phenyl, diphenyl-biphenyl, biaryl amine phenyl, N-phenyl-carbazolyl, (9,9-di-alkyl) fluorenyl, (9,9-dialkyl-substituted or unsubstituted phenyl) fluorenyl, or 9,9-spiro-fluorenyl.
3. The organic electronic material according to claim 2 , wherein,
R 1 , R 4 , R 5 , and R 8 are hydrogen, R 2 , R 3 , R 6 , and R 7 independently represent hydrogen, fluorine, methyl, ethyl, propyl, isopropyl, tert-butyl, phenyl, or naphthyl; and
Ar 1 -Ar 4 independently represent phenyl, tolyl, naphthyl, methyl naphthyl, biphenyl, diphenyl phenyl, naphthyl phenyl, diphenyl-biphenyl, (9,9-di-alkyl) fluorenyl, (9,9-dimethyl-substituted or unsubstituted phenyl) fluorenyl, or 9,9-spiro-fluorenyl.
4. The organic electronic material according to claim 3 , wherein:
Ar 2 , Ar 3 , and Ar 4 independently represent phenyl, naphthyl, or biphenyl, and
Ar 1 is phenyl, naphthyl, biphenyl, diphenyl phenyl, naphthyl phenyl, diphenyl-biphenyl, (9,9-di-alkyl) fluorenyl, (9-tolyl, 9′-phenyl) fluorenyl, or 9,9-spiro-fluorenyl.
5. The organic electronic material according to claim 4 , wherein:
R 2 , R 3 , R 6 , and R 7 are hydrogen, and
Ar 2 , Ar 3 , and Ar 4 independently represent phenyl or naphthyl.
6. An organic electronic material having a structure of one of the following structures:
7. The organic electronic material according to claim 6 , wherein the structure is one of the following structures:
8. The organic electronic material of claim 1 , wherein the structure is in an organic light-emitting device, organic solar cell, organic thin-film transistor, or organic photoreceptor.
9. The organic electronic material of claim 2 , wherein the structure is in an organic light-emitting device, organic solar cell, organic thin-film transistor, or organic photoreceptor.
10. The organic electronic material of claim 3 , wherein the structure is in an organic light-emitting device, organic solar cell, organic thin-film transistor, or organic photoreceptor.
11. The organic electronic material of claim 4 , wherein the structure is in an organic light-emitting device, organic solar cell, organic thin-film transistor, or organic photoreceptor.
12. The organic electronic material of claim 5 , wherein the structure is in an organic light-emitting device, organic solar cell, organic thin-film transistor, or organic photoreceptor.
13. The organic electronic material of claim 6 , wherein the structure is in an organic light-emitting device, organic solar cell, organic thin-film transistor, or organic photoreceptor.
14. The organic electronic material of claim 7 , wherein the structure is in an organic light-emitting device, organic solar cell, organic thin-film transistor, or organic photoreceptor.