CN209481549U - A kind of quantum dot film of edge water resistant oxygen - Google Patents
A kind of quantum dot film of edge water resistant oxygen Download PDFInfo
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- CN209481549U CN209481549U CN201920138927.XU CN201920138927U CN209481549U CN 209481549 U CN209481549 U CN 209481549U CN 201920138927 U CN201920138927 U CN 201920138927U CN 209481549 U CN209481549 U CN 209481549U
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Abstract
The utility model relates to quantum dot technical field of membrane, in particular to a kind of quantum dot film of edge water resistant oxygen, from bottom to up include the first transparent polymer film, wall, quantum dot layer, water oxygen barrier film and prism structure polymeric layer；The wall includes the first polymer layer and the second transparent polymer film that surface has several first pits；The quantum dot layer includes the second polymer layer and inorganic matter water oxygen barrier layer of the surface with several second dimples and is filled in surface with the quantum dot glue in the pit of the inorganic matter water oxygen barrier layer.Quantum dot film provided by the utility model, a closed box is formed by the pit of surface organic/inorganic substance water oxygen barrier layer and the water oxygen barrier film at top, the distance that limitation water oxygen is internally corroded from film edge, and the prism structure of polymeric layer and surface with cavity there is very strong albedo incident light to be promoted to be recycled light, the excitation number for increasing quantum dot, improves the brightness of film layer.
Description
Technical field
The utility model relates to quantum dot technical field of membrane, in particular to a kind of quantum dot film of edge water resistant oxygen.
Background technique
Quantum dot film is used in liquid crystal display, and the colour gamut of liquid crystal display is made to be increased to 100%NTSC or more,
Significantly improve the accuracy and colour vividness that color is shown.Quantum dot has the characteristics that vapor and oxygen sensitive, because
And it needs to completely cut off quantum dot and external environment.According to prior art technology, the common configuration of quantum dot film is two water oxygen resistances
Quantum dot layer is clipped between diaphragm, this structure can prevent erosion of the water oxygen on upper and lower two surfaces to quantum dot layer.However,
Before quantum dot film to be installed to display equipment, it is also necessary to require to cut out quantum dot film according to the size of distinct device
It cuts, at the edge of quantum dot film, due to the reason for needing to cut, quantum dot layer can expose in air, with using the time
Passage, quantum dot layer edge can lose fluorescence because water oxygen corrodes, and non-blooming fringe region can be increasing.Separately
Outside, in order to improve the brightness of LCD backlight mould group, the quantum dot film brightness enhancement film that also needs to arrange in pairs or groups is come using not only increasing whole
Thickness also makes assembly become cumbersome.
Quantum dot layer edge can be corroded by diffusion and lose fluorescence and cause integral thickness increased to improve brightness
Problem is the technical issues of the utility model solves.
Utility model content
In order to solve, quantum dot layer edge described in background technique can be lost fluorescence by diffusion erosion and raising brightness is led
The problem of causing integral thickness to increase；A kind of quantum dot film of edge water resistant oxygen provided by the utility model includes the from bottom to up
One transparent polymer film, wall, quantum dot layer, water oxygen barrier film, prism structure polymeric layer；The wall from down toward
The upper first polymer layer and the second transparent polymer film including surface with several first pits；The quantum dot layer includes the
Dimerization nitride layer, inorganic matter water oxygen barrier layer and quantum dot glue；It is recessed that the second polymer layer surface is provided with several second
Hole, the inorganic matter water oxygen barrier layer are attached to the second polymer layer surface, and the quantum dot glue setting is described the
In two pits.
On the basis of above structure, further, the quantum dot glue is filled in the surface with inorganic matter water
In one closed box of second dimple and water oxygen the barrier film composition of oxygen barrier layer.
On the basis of above structure, further, the structure feature of the wall is that centre has cavity, the cavity
For the first pit of first polymer layer surface, seal the top of the first pit to form sky by the second transparent polymer film
Chamber.On the basis of above structure, further, first transparent polymer film and the second transparent polymer film are poly- to benzene
One of naphthalate, polyacrylate, polycarbonate, polystyrene composition；First transparent polymer film
Thickness with the second transparent polymer film is 50-130 μm.
On the basis of above structure, further, the first polymer layer, the second polymer layer, prism structure
Polymeric layer is one of polyacrylate, polyurethane, epoxy resin composition；The first polymer layer, second polymer
The thickness of the polymeric layer of layer and prism structure is 10-100 μm.
On the basis of above structure, further, the quantum dot glue includes quantum dot, diffusion particle；The amount
Son point is one of cadmium selenide, indium phosphide, indium sulphur or perovskite quantum dot；The diffusion particle is organosilicon or poly- methyl
Methyl acrylate, partial size are 0.5-3 μm.
Further, inorganic matter water oxygen barrier layer is silica or aluminium oxide, with a thickness of 50-300nm.
Further, the diameter of first pit is 4-90 μm, and depth is 2-45 μm, and spacing is 2-30 μm；Described
The diameter of two pits is 4-90 μm, and depth is 2-45 μm, and spacing is 2-30 μm.
Compared with prior art, the utility model has the advantage that
(1) second dimple by surface with inorganic matter water oxygen barrier layer and the water oxygen barrier film at top composition one are close
The box closed, quantum dot glue are sealed in box, when quantum dot film is reduced, can only destroy the box of film edge, have
The edge fail width of the reduction quantum dot film of effect, meanwhile, it does not need to rear quantum dot film edge progress specially treated is cut, it can
It is arbitrarily cut with facilitating.
(2) polymeric layer with cavity and the prism structure on surface have very strong albedo to light, so that incident
Light is constantly reflected between these two layers there, and each secondary reflection all can be by intermediate quantum dot layer, thus the amount of increasing
The number that son point is excited, improves brightness.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of schematic diagram of the quantum dot film of edge water resistant oxygen provided by the utility model.
Appended drawing reference:
10 first transparent polymer film, 20 wall, 21 first pit
22 23 second transparent polymer film of first polymer layer, 30 quantum dot layer
31 second dimple, 32 the second polymer layer, 33 inorganic matter water oxygen barrier layer
The polymeric layer of 34 quantum dot glue, 40 water oxygen barrier film, 50 prism structure
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
The quantum dot film of a kind of edge water resistant oxygen provided by the utility model, as shown in Figure 1, from bottom to up including first saturating
Bright polymer film 10, wall 20, quantum dot layer 30, water oxygen barrier film 40, prism structure polymeric layer 50.Specifically, such as
Shown in Fig. 1, the wall 20 includes the first polymer layer 22 and second that surface has several first pits 21 from bottom to up
Transparent polymer film 23.Specifically, as shown in Figure 1, the quantum dot layer 30 includes the second polymer layer 32, the resistance of inorganic matter water oxygen
Interlayer 33 and quantum dot glue 34；32 surface of the second polymer layer is provided with several second dimples 31, the inorganic matter water
Oxygen barrier layer 33 is attached to 32 surface of the second polymer layer, and the quantum dot glue 34 is arranged in the second dimple 31
It is interior.
Specifically, as shown in Figure 1, the quantum dot glue 34 is filled in the surface with inorganic matter water oxygen barrier layer 33
Second dimple 31 and the closed box forming of water oxygen barrier film 40 in, when quantum dot film is cut, only membrane edge
The box of edge can be destroyed, thus the distance that internally corrodes from edge of water oxygen is limited in the size of a box；Box
Size is smaller, and the edge fail width of film is also just smaller.
The above structure design, can not only reduce the edge fail width of quantum dot film, meanwhile, for quantum dot film after cutting
Edge is without carrying out specially treated, it may be convenient to arbitrarily be cut.
On the other hand, as shown in Figure 1, the structure feature of the wall 20 is that centre has cavity, the cavity is first
First pit 21 on 22 surface of polymeric layer seals the top of the first pit 21 to form sky by the second transparent polymer film 23
Chamber.Specifically, the blue light of backlight first passes around after the first transparent polymer film 10 of bottom enters quantum dot film inside
The interface that air and the second transparent polymer film 23 are formed in 20 cavity of wall, blue light occur refraction and reflection and to not Tongfangs
To diverging, play the role of even light, so that the quantum dot in quantum dot layer 30 is by the uniform blue light in all directions
Excitation；It is penetrated by blue light a part of quantum dot layer 30, another part is converted to fluorescence by quantum dot；Saturating past blue light exists
When reaching the interface of polymeric layer 50 and air of prism structure, a part of blue light is penetrated and is gone, and another part is reflected back toward quantum
Inside point film, some in this blue light can again pass by quantum dot layer 30 and quantum dot is excited to issue fluorescence, and another part
Refraction and reflection occur when the interface that air and the second transparent polymer film 23 are formed in 20 cavity of layer of arrival interval and to not
Equidirectional diverging, next circulation can be entered again by being reflected back the blue light inside quantum dot film.
The above structure design has very strong using 50 pairs of light of polymeric layer of wall 20 and prism structure with cavity
Albedo so that blue light is constantly reflected between these two layers there, recycled, each secondary reflection all can be by centre
Quantum dot layer 30 improve the brightness of film to increase the excitation number of quantum dot.
Specifically, the polymeric layer 50 of the prism structure can play the role of reflection light and optically focused blast, the rib
The cross section of mirror structure is triangle, and different sizes can be adjusted according to different optical demands.
Preferably, first transparent polymer film 10 and the second transparent polymer film 23 are polyethylene terephthalate
One of ester, polyacrylate, polycarbonate, polystyrene composition；First transparent polymer film 10 and second is transparent
The thickness of polymer film 23 is 50-130 μm.Specifically, the first polymer layer 22, the second polymer layer 32 and prism knot
The polymeric layer 50 of structure is one of polyacrylate, polyurethane, epoxy resin composition；The first polymer layer 22,
The thickness of the polymeric layer 50 of dimerization nitride layer 32 and prism structure is 10-100 μm.
Specifically, the quantum dot glue 34 includes quantum dot, diffusion particle；The quantum dot be cadmium selenide, indium phosphide,
One of indium sulphur or perovskite quantum dot；The diffusion particle is organosilicon or polymethyl methacrylate, and partial size is
0.5-3 μm, it acts as the uniformities for improving light, increase mist degree and cover apparent flaws, increase the order of reflection of light to increase
The excitation number of quantum dot.
Specifically, the inorganic matter water oxygen barrier layer 33 is silica or aluminium oxide, with a thickness of 50-300nm.
Specifically, the water oxygen barrier film 40, using the water oxygen barrier film product of commercialization on the market.
Specifically, the diameter of first pit 21 is 4-90 μm, and depth is 2-45 μm, and spacing is 2-30 μm；Described
The diameter of two pits 31 is 4-90 μm, and depth is 2-45 μm, and spacing is 2-30 μm；First pit 21 and second dimple 31 have
Shape is also possible to other shapes, such as polygon in addition to circle.
Although more herein used such as the first transparent polymer film, wall, the first pit, first polymer
Layer, the second transparent polymer film, quantum dot layer, second dimple, the second polymer layer, inorganic matter water oxygen barrier layer, quantum dispensing
The terms such as the polymeric layer of water, water oxygen barrier film and prism structure, but it does not exclude the possibility of using other terms.Use this
A little terms are used for the purpose of being more convenient to describe and explain the essence of the utility model；It is construed as any additional
Limitation is all contrary to the spirit of the present invention.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (6)
1. a kind of quantum dot film of edge water resistant oxygen, it is characterised in that: from bottom to up include the first transparent polymer film (10),
Interlayer (20), quantum dot layer (30), water oxygen barrier film (40), prism structure polymeric layer (50)；
The wall (20) includes the first polymer layer (22) and that surface has several first pits (21) from bottom to up
Two transparent polymer films (23)；
The quantum dot layer (30) includes the second polymer layer (32), inorganic matter water oxygen barrier layer (33) and quantum dot glue
(34)；The second polymer layer (32) surface is provided with several second dimples (31), the inorganic matter water oxygen barrier layer (33)
It is attached to the second polymer layer (32) surface, quantum dot glue (34) setting is in the second dimple (31).
2. the quantum dot film of water resistant oxygen in edge according to claim 1, it is characterised in that: first transparent polymer film
(10) and the second transparent polymer film (23) is polyethylene terephthalate, polyacrylate, polycarbonate, polystyrene
One of composition；
The thickness of first transparent polymer film (10) and the second transparent polymer film (23) is 50-130 μm.
3. the quantum dot film of water resistant oxygen in edge according to claim 1, it is characterised in that: the first polymer layer
(22), the polymeric layer (50) of the second polymer layer (32) and prism structure is polyacrylate, in polyurethane, epoxy resin
A kind of composition；
The thickness of the polymeric layer (50) of the first polymer layer (22), the second polymer layer (32) and prism structure is
10-100μm。
4. the quantum dot film of water resistant oxygen in edge according to claim 1, it is characterised in that: quantum dot glue (34) packet
Include quantum dot, diffusion particle；The quantum dot is one of cadmium selenide, indium phosphide, indium sulphur or perovskite quantum dot；It is described
Diffusion particle is organosilicon or polymethyl methacrylate, and partial size is 0.5-3 μm.
5. the quantum dot film of water resistant oxygen in edge according to claim 1, it is characterised in that: the inorganic matter water oxygen barrier layer
It (33) is silica or aluminium oxide, with a thickness of 50-300nm.
6. the quantum dot film of water resistant oxygen in edge according to claim 1, it is characterised in that: first pit (21) it is straight
Diameter is 4-90 μm, and depth is 2-45 μm, and spacing is 2-30 μm；The diameter of the second dimple (31) is 4-90 μm, depth 2-
45 μm, spacing is 2-30 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920138927.XU CN209481549U (en) | 2019-01-26 | 2019-01-26 | A kind of quantum dot film of edge water resistant oxygen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920138927.XU CN209481549U (en) | 2019-01-26 | 2019-01-26 | A kind of quantum dot film of edge water resistant oxygen |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113741098A (en) * | 2021-11-04 | 2021-12-03 | 拓米(成都)应用技术研究院有限公司 | UTG-QD type MINI-LED board and application, preparation method and optical framework thereof |
| WO2022198703A1 (en) * | 2021-03-25 | 2022-09-29 | 惠州市华星光电技术有限公司 | Quantum dot film, preparation method therefor, and display panel |
| CN115728990A (en) * | 2022-11-23 | 2023-03-03 | 广东瑞捷光电股份有限公司 | Quantum dot diffusion plate and quantum dot backlight source |
-
2019
- 2019-01-26 CN CN201920138927.XU patent/CN209481549U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022198703A1 (en) * | 2021-03-25 | 2022-09-29 | 惠州市华星光电技术有限公司 | Quantum dot film, preparation method therefor, and display panel |
| CN113741098A (en) * | 2021-11-04 | 2021-12-03 | 拓米(成都)应用技术研究院有限公司 | UTG-QD type MINI-LED board and application, preparation method and optical framework thereof |
| CN115728990A (en) * | 2022-11-23 | 2023-03-03 | 广东瑞捷光电股份有限公司 | Quantum dot diffusion plate and quantum dot backlight source |
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