Compound, display panel and display apparatus
Provided are a boron-silicon heterocyclic compound having a structure represented by formula 1, a display device and a display apparatus. In formula 1, L 1 and L 2 are each a single bond, C6-C30 arylene, C6-C30 fused arylene, C4-C30 heteroarylene, or C4-C30 fused heteroarylene; D 1 and D 2 are each a substituted or unsubstituted C6-C60 aryl, a substituted or unsubstituted C4-C60 heteroaryl, a substituted or unsubstituted C10-C60 fused aryl, a substituted or unsubstituted C8-C30 fused heteroaryl, or a substituted or unsubstituted diphenylamino. The compound has a strong inductive effect and can reduce the driving voltage of the device. The silacyclopentadiene having a silicon atom as spiro-atom can effectively improve the solubility of the material, which is beneficial to the cleaning of the vapor deposition mask. In addition, the compound has a higher triplet energy level to effectively transfer energy to the luminous body, and improves the efficiency of the device.
1. A compound having a structure represented by formula 1:
wherein L 1 and L 2 are each independently selected from the group consisting of a single bond, a C6-C30 arylene, a C6-C30 fused arylene, a C4-C30 heteroarylene, and a C4-C30 fused heteroarylene; and
D 1 and D 2 are each independently selected from the group consisting of a substituted or unsubstituted C6-C60 aryl, a substituted or unsubstituted C4-C60 heteroaryl, a substituted or unsubstituted C10-C60 fused aryl, a substituted or unsubstituted C8-C30 fused heteroaryl, and a substituted or unsubstituted diphenylamino.
2. The compound according to claim 1 , wherein L 1 and L 2 are each independently any one of the following groups:
wherein Z is selected from the group consisting of O, S, and NH; and
# represents a bonding position.
3. The compound according to claim 1 , wherein L 1 and L 2 are identical.
4. The compound according to claim 1 , wherein D 1 and D 2 are identical.
5. The compound according to claim 1 , wherein D 1 and D 2 are each independently selected from the group consisting of a substituted or unsubstituted phenyl, a substituted or unsubstituted biphenyl, a substituted or unsubstituted naphthyl, a substituted or unsubstituted anthracyl, a substituted or unsubstituted phenanthracyl, a substituted or unsubstituted acenaphthylenyl, a substituted or unsubstituted pyrenyl, a substituted or unsubstituted perylenyl, a substituted or unsubstituted fluorenyl, a substituted or unsubstituted spirobifluorenyl, a substituted or unsubstituted chrysenyl, a substituted or unsubstituted benzophenanthracyl, a substituted or unsubstituted benzoanthracyl, a substituted or unsubstituted fluoranthenyl, a substituted or unsubstituted picenyl, a substituted or unsubstituted furyl, a substituted or unsubstituted benzofuryl, a substituted or unsubstituted dibenzofuryl, a substituted or unsubstituted thienyl, a substituted or unsubstituted benzothienyl, a substituted or unsubstituted dibenzothienyl, a substituted or unsubstituted phenoxazinyl, a substituted or unsubstituted phenazinyl, a substituted or unsubstituted phenothiazinyl, a substituted or unsubstituted thianthrenyl, carbazolyl and a carbazole-derived group, acridinyl and an acridine-derived group, and diarylamino and a diarylamine-derived group.
6. The compound according to claim 2 , wherein D 1 and D 2 are each independently selected from the group consisting of a substituted or unsubstituted phenyl, a substituted or unsubstituted biphenyl, a substituted or unsubstituted naphthyl, a substituted or unsubstituted anthracyl, a substituted or unsubstituted phenanthracyl, a substituted or unsubstituted acenaphthylenyl, a substituted or unsubstituted pyrenyl, a substituted or unsubstituted perylenyl, a substituted or unsubstituted fluorenyl, a substituted or unsubstituted spirobifluorenyl, a substituted or unsubstituted chrysenyl, a substituted or unsubstituted benzophenanthracyl, a substituted or unsubstituted benzoanthracyl, a substituted or unsubstituted fluoranthenyl, a substituted or unsubstituted picenyl, a substituted or unsubstituted furyl, a substituted or unsubstituted benzofuryl, a substituted or unsubstituted dibenzofuryl, a substituted or unsubstituted thienyl, a substituted or unsubstituted benzothienyl, a substituted or unsubstituted dibenzothienyl, a substituted or unsubstituted phenoxazinyl, a substituted or unsubstituted phenazinyl, a substituted or unsubstituted phenothiazinyl, a substituted or unsubstituted thianthrenyl, carbazolyl and a carbazole-derived group, acridinyl and an acridine-derived group, and diarylamino and a diarylamine-derived group.
7. The compound according to claim 1 , wherein D 1 and D 2 are each independently a group represented by:
wherein Cy is present or absent, and
when Cy is present, Cy is an aromatic ring or an aromatic fused ring;
n is 0, 1, or 2; and
# represents a bonding position.
8. The compound according to claim 7 ,
wherein when Cy is present, Cy is a benzene ring, a naphthalene ring, or a phenanthrene ring.
9. The compound according to claim 1 , wherein D 1 and D 2 are each independently any one of the following groups:
wherein # represents a bonding position.
10. The compound according to claim 1 , wherein D 1 and D 2 are each independently a group represented by:
wherein X is selected from the group consisting of O, S, N-r 01 and C(r 02 r 03 ), and r 0 , r 01 , r 02 and r 03 are each independently selected from the group consisting of H, a C1-C6 alkyl, a C1-C6 alkoxy, and a C6-C12 aryl;
m is 0, 1, or 2; and
# represents a bonding position.
11. The compound according to 2 , wherein D 1 and D 2 are each independently a group represented by:
wherein X is selected from the group consisting of O, S, N-r 01 and C(r 02 r 03 ), and r 0 , r 01 , r 02 and r 03 are each independently selected from the group consisting of H, a C1-C6 alkyl, a C1-C6 alkoxy, and a C6-C12 aryl;
m is 0, 1, or 2; and
# represents a bonding position.
12. The compound according to claim 1 , wherein D 1 and D 2 are each independently any one of the following groups:
wherein r 1 , r 2 , r 3 , r 4 and r 5 are each independently selected from the group consisting of H, a C1-C6 alkyl, a C1-C6 alkoxy, and a C6-C12 aryl;
m is 0, 1, or 2; and
# represents a bonding position.
13. The compound according to claim 2 , wherein D 1 and D 2 are each independently any one of the following groups:
wherein r 1 , r 2 , r 3 , r 4 and r 5 are each independently selected from the group consisting of H, a C1-C6 alkyl, a C1-C6 alkoxy, and a C6-C12 aryl;
m is 0, 1, or 2; and
# represents a bonding position.
14. The compound according to claim 1 , wherein D 1 and D 2 are each independently a group represented by:
wherein Y is selected from the group consisting of O, S, N-r 1 , and C(r 02 r 03 ), and r 0 , r 01 , r 02 and r 03 are each independently selected from the group consisting of H, a C1-C6 alkyl, a C1-C6 alkoxy, and a C6-C12 aryl; and
# represents a bonding position.
15. The compound according to claim 2 , wherein D 1 and D 2 are each independently a group represented by:
wherein Y is selected from the group consisting of O, S, N-r 1 , and C(r 02 r 03 ), and r 0 , r 01 , r 02 and r 03 are each independently selected from the group consisting of H, a C1-C6 alkyl, a C1-C6 alkoxy, and a C6-C12 aryl; and
# represents a bonding position.
16. The compound according to claim 1 , wherein D 1 and D 2 are each independently any one of the following groups:
wherein r 6 is selected from the group consisting of H, a C1-C6 alkyl, a C1-C6 alkoxy, and a C6-C12 aryl; and
# represents a bonding position.
17. The compound according to claim 1 , wherein the compound is any one of the following compounds:
18. A display panel, comprising an organic light-emitting device,
wherein the organic light-emitting device comprises:
an anode;
a cathode; and
a light-emitting layer disposed between the anode and the cathode,
wherein a light-emitting host material or a light-emitting guest material of the light-emitting layer is one or more selected from the compounds according claim 1 .
19. The display panel according to claim 18 , wherein the organic light-emitting device further comprises an electron transmission layer, and
wherein the electron transmission layer comprises one or more electron transmission materials selected from the compounds according to claim 1 .
20. A display apparatus, comprising the display panel according to claim 18 .