Quantum dot film and backlight module
A technology of quantum dots and quantum dot layers, applied in the field of quantum dots, can solve the problems of short service life of quantum dots, increased cost, high temperature of LED chips, etc., and achieve the effect of improving light conversion efficiency, improving utilization rate, and reducing thickness
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[0057] Implementation mode one:
[0058] Participate figure 1 As shown, a quantum dot film includes:
[0059] The quantum dot layer 10 includes a matrix 11 and a number of quantum dots uniformly dispersed in the matrix 11. In this embodiment, the quantum dots include red quantum dots 111 and green quantum dots 112. The matrix 11 also contains a number of uniformly dispersed diffusion particles 113, and the diffusion particles 113 are used to scatter incident light in the matrix and increase the optical path of the light passing through the quantum dot layer;
[0060] The water vapor barrier layers located on both sides of the quantum dot layer 10 include a first water vapor barrier layer 21 located above the quantum dot layer 10 and a second water vapor barrier layer 22 located below the quantum dot layer 10. The water vapor barrier layer is a solid material, or a solidified liquid, gel, or polymer.
[0061] In this embodiment, the material of the matrix 11 is acrylic resin, organosi...
Example Embodiment
[0075] Implementation mode two:
[0076] Such as image 3 As shown, a first microstructure 31 is provided on the surface of the first water vapor barrier layer 21. In this embodiment, the first microstructure is an isosceles triangle. In other embodiments, the microstructures may also include isosceles triangles and polygons. One or more combinations of cones, cones, hemispheres, and irregular shapes with convex structures on the surface.
[0077] The quantum dot layer and the water vapor barrier layer in this embodiment are the same as those in the first embodiment, and will not be repeated here.
Example Embodiment
[0078] Implementation mode three:
[0079] Such as Figure 4 As shown, the surfaces of the first water vapor barrier layer 21 and the second water vapor barrier layer 22 are respectively provided with a first microstructure 31 and a second microstructure 32. In this embodiment, the first microstructure and the second microstructure are hemispheres. The shape, in other embodiments, may also be a microstructure including one or a combination of isosceles triangles, polygonal pyramids, cones, hemispheres, and irregular shapes with convex structures on the surface.
[0080] The quantum dot layer and the water vapor barrier layer in this embodiment are the same as those in the first embodiment, and will not be repeated here.
[0081] Correspondingly, the backlight module in another embodiment of the present invention includes: a light source, a light guide plate, a prism sheet, and a quantum dot film, wherein the quantum dot film is located anywhere on the light guide plate and below the...
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