Display panel and manufacturing method thereof, and display device
View Patent ↗The present disclosure relates to a display panel, a manufacturing method thereof and a display device, in the field of display technology. The display panel comprises a first substrate; a second substrate, opposite to the first substrate; and a sealant, between the first substrate and the second substrate; wherein a first super-hydrophobic layer is between the first substrate and the sealant; and the first super-hydrophobic layer is formed by a reaction between photopolymerizable monomer and siloxane having a reactive double bond under light. The arrangement of the super-hydrophobic layer can effectively prevent moisture from entering the display panel. Thus, the waterproof performance of the display panel is improved and the display panel can still function normally when it is in a high temperature and high humidity environment for a long time.
1. A display panel, comprising:
a first substrate;
a second substrate, opposite to the first substrate; and
a sealant, between the first substrate and the second substrate,
wherein a first waterproof layer is between the first substrate and the sealant; and the first waterproof layer is formed by a reaction between photopolymerizable monomer and siloxane under light, wherein the siloxane has a molecular structure shown in Formula (I):
wherein x≥1, R 1 , R 2 and R 3 are alkyl groups.
2. The display panel according to claim 1 , wherein x is an integer from 1 to 20, and R 1 , R 2 , and R 3 are alkyl groups having 20 or less carbon atoms.
3. The display panel according to claim 2 , wherein the siloxane has a molecular structure shown in Formula (II):
4. The display panel according to claim 1 , wherein the photopolymerizable monomer has a molecular structure shown in Formula (III):
wherein y≥1 and z≥1.
5. The display panel according to claim 4 , wherein y is an integer from 1 to 20, and z is an integer from 1 to 20.
6. The display panel according to claim 5 , wherein the photopolymerizable monomer has a molecular structure shown in Formula (IV):
7. A method for manufacturing a display panel, comprising:
forming a solution of siloxane onto a sealant coating area of a first substrate,
heating the first substrate to remove solvent in the solution of the siloxane;
coating a mixture of the photopolymerizable monomer and the sealant onto the sealant coating area of the first substrate; and
assembling the first substrate coated with the mixture of the photopolymerizable monomer and the sealant and the second substrate onto which liquid crystal is dropped, and curing the sealant by lighting and heating to obtain the display panel;
wherein the siloxane has a molecular structure shown in Formula (I):
wherein x≥1, R 1 , R 2 and R 3 are alkyl groups.
8. The manufacturing method according to claim 7 , wherein x is an integer from 1 to 20, and R 1 , R 2 , and R 3 are alkyl groups having 20 or less carbon atoms.
9. The manufacturing method according to claim 8 , wherein the siloxane has a molecular structure shown in Formula (II):
10. The manufacturing method according to claim 7 , wherein the mass percentage of the siloxane is from 1% to 5% in the solution of the siloxane.
11. The manufacturing method according to claim 7 , wherein the photopolymerizable monomer has a molecular structure shown in Formula (III):
wherein y≥1 and z≥1.
12. The manufacturing method according to claim 11 , wherein the photopolymerizable monomer has a molecular structure shown in Formula (IV):
13. The manufacturing method according to claim 7 , wherein the mass percentage of the photopolymerizable monomer is from 3% to 10% in the mixture of the photopolymerizable monomer and the sealant.
14. The manufacturing method according to claim 7 , wherein the heating the first substrate to remove the solvent in the solution of the siloxane, comprises:
heating the first substrate at 80° C. to 120° C. for 0.5 to 2 hours.
15. The manufacturing method according to claim 7 , wherein the method for preparing the mixture of the photopolymerizable monomer and the sealant comprises: uniformly mixing the photopolymerizable monomer and the sealant, and defoaming under darkness.
16. The display panel according to claim 1 , wherein a second waterproof layer is between the second substrate and the sealant.