A kind of airgel quantum dot film, preparation method and display device comprising it
An airgel quantum and quantum dot film technology, which is applied in the direction of electrical components, semiconductor devices, electric solid devices, etc., can solve the problem of low production yield of large-scale products, low maximum dispersion of quantum dots, and uneven distribution of quantum dot layers and other problems, to achieve the effect of controllable internal hole size, increased density, and high transmittance
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Embodiment 1
[0057] In this embodiment, the airgel quantum dot film is manufactured according to the following preparation method of the airgel quantum dot film. First, the first barrier film 1 is prepared according to the following method: wherein the first barrier film 1 is prepared by the following method: First, a polyimide film layer (PI film layer) with a thickness of 125 μm is coated on the glass substrate, and then a layer of aluminum oxide with a thickness of 400 nm is deposited on the surface. Then, the black resin solution is sprayed on the lower surface of the first barrier film 1 by spraying to form a film layer with a thickness of 0.19 mm, and then the pixel isolation structure 3 is obtained through photolithography processes such as exposure and development, thereby obtaining multiple The light-emitting area, the light-emitting area includes three sub-pixel areas of uniform size, the first sub-pixel area 4, the second sub-pixel area 5 and the third sub-pixel area 6, wherein t...
Embodiment 2
[0060] This embodiment is generally similar to embodiment 1, the difference is that there are the following differences in the preparation method of the airgel quantum dot film:
[0061] 1. Quantum dot ink is obtained by mixing CdSe / ZnS core-shell quantum dots with octane solvent, with a viscosity of 15cps; the ratio of the mass of quantum dots in red quantum dot ink to the volume of octane solvent is 1.2g / mL, that is, quantum dots The mass percentage in the ink is 63.1%; the ratio of the mass of the quantum dots in the green quantum dot ink to the volume of the octane solvent is 1.7g / mL, that is, the mass percentage of the quantum dots in the ink is 70.7%.
[0062] 2. Before forming the water-oxygen barrier layer 2, bake at 100°C for 15 minutes in an environment of 10e-1 torr to volatilize the octane solvent.
Embodiment 3
[0064] In this embodiment, the airgel quantum dot film is manufactured according to the following preparation method of the airgel quantum dot film. First, the first barrier film 1 is prepared according to the following method: wherein the first barrier film 1 is prepared by the following method: First, a polyimide film layer (PI film layer) with a thickness of 125 μm is coated on the glass substrate, and then a layer of aluminum oxide with a thickness of 400 nm is deposited on the surface. Then spray the black resin solution on the lower surface of the first barrier film 1 by spraying to form a film layer with a thickness of 0.19 mm, and then make the pixel isolation structure 3 through photolithography processes such as exposure and development, thereby obtaining multiple Light-emitting area, the light-emitting area includes three sub-pixel areas of uniform size, the first sub-pixel area 4, the second sub-pixel area 5 and the third sub-pixel area 6, wherein the width is 40 μm...
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Abstract
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