Manufacturing method and manufacturing system of perovskite color conversion film

Patent metadata

Field	Value
Publication number	US-11511481-B2
Application number	US-201916624207-A
Country	US
Kind code	B2
Filing date	Dec 3, 2019
Priority date	Nov 6, 2019
Publication date	Nov 29, 2022
Grant date	Nov 29, 2022

Abstract

A manufacturing method and a manufacturing system of perovskite color conversion film are provided. The manufacturing method includes: manufacturing perovskite plastic wires; providing a substrate with areas to be printed; and heating and printing the plastic wires on the areas to be printed of the substrate by used of fused deposition modeling 3D printing technology, to formed a perovskite color conversion film.

First claim

What is claimed is:

1. A method of manufacturing a perovskite color conversion film, comprising:
manufacturing perovskite plastic wires;
providing a substrate with areas to be printed; and
heating and printing the perovskite plastic wires on the areas to be printed of the substrate by using fused deposition modeling 3D printing technology, to form the perovskite color conversion film;
wherein the step of manufacturing the perovskite plastic wires comprises:
mixing perovskite powders with carrier particles, wherein a melting point of the carrier particles is lower than a melting point of the perovskite powders;
heating the perovskite powders mixed with the carrier particles, allowing the carrier particles to be melted to form molten carriers; and
extruding a mixture of the molten carriers and the perovskite powders, to form the perovskite plastic wires.

2. The method of manufacturing the perovskite color conversion film according to claim 1 , wherein material of the carrier particles is polymer materials.

3. The method of manufacturing the perovskite color conversion film according to claim 2 , wherein the material of the carrier particles comprises ethylene wax.

4. The method of manufacturing the perovskite color conversion film according to claim 1 , wherein the step of heating and printing the perovskite plastic wires on the areas to be printed of the substrate by using fused deposition modeling 3D printing technology, to form the perovskite color conversion film comprises:
obtaining a preformed 3D model of the perovskite color conversion film;
heating and melting the perovskite plastic wires; and
printing the melted perovskite plastic wires on the areas to be printed of the substrate to form the perovskite color conversion film according to the preformed 3D model of the perovskite color conversion film.

5. The method of manufacturing the perovskite color conversion film according to claim 4 , wherein the step of printing the melted perovskite plastic wires on the areas to be printed of the substrate to form the perovskite color conversion film according to the preformed 3D model of the perovskite color conversion film comprises:
obtaining a shape and a height of the preformed 3D model of the perovskite color conversion film;
setting a thickness of a printing layer, a number of printing layers, and a printing path according to the shape and the height of the preformed 3D model of the perovskite color conversion film; and
printing the melted perovskite plastic wires layer by layer on the areas to be printed of the substrate to form the perovskite color conversion film according to the thickness of the printing layer, the number of printing layers, and the printing path.

6. The method of manufacturing the perovskite color conversion film according to claim 4 , wherein heating temperature of the perovskite plastic wires ranges from 70° C. to 100° C.

7. The method of manufacturing the perovskite color conversion film according to claim 1 , wherein the areas to be printed comprise a plurality of subareas distributed in an array; and the perovskite color conversion film in each of the subareas comprises a red conversion film, a green conversion film, or a blue conversion film.

8. The method of manufacturing the perovskite color conversion film according to claim 7 , wherein color of the perovskite color conversion film among each of the subareas is the same.

9. The method of manufacturing the perovskite color conversion film according to claim 7 , wherein material of the perovskite powders corresponding to the red conversion film comprises CH 3 NH 3 Pb(Br/I) 3 or CsPb(Br/I) 3 ; material of the perovskite powders corresponding to the green conversion film comprises CH 3 NH 3 PbBr 3 or CsPbBr 3 ; and material of the perovskite powders corresponding to the blue conversion film comprises CH 3 NH 3 Pb(Br/Cl) 3 or CsPb(Br/Cl) 3 .

Assignees

• Shenzhen China Star Optoelectronics Semiconductor Display Tech Co Ltd

Inventors

• Duan Miao

Classifications

• B33Y70/10

  Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials · CPC title

• B33Y70/00

  Materials specially adapted for additive manufacturing · CPC title

• B29C64/314

  Preparation · CPC title

• B29C64/118 Primary

  using filamentary material being melted, e.g. fused deposition modelling [FDM] · CPC title

• B33Y10/00 Primary

  Processes of additive manufacturing · CPC title