CN106195780A - Quantum dot film, its preparation method and there is its backlight module - Google Patents
Quantum dot film, its preparation method and there is its backlight module Download PDFInfo
- Publication number
- CN106195780A CN106195780A CN201610633290.2A CN201610633290A CN106195780A CN 106195780 A CN106195780 A CN 106195780A CN 201610633290 A CN201610633290 A CN 201610633290A CN 106195780 A CN106195780 A CN 106195780A
- Authority
- CN
- China
- Prior art keywords
- quantum dot
- smooth conversion
- stripes
- conversion stripes
- basement membrane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention provides a kind of quantum dot film, its preparation method and there is its backlight module.The preparation method of this quantum dot film includes: step S1, it is provided that quantum dot basement membrane, and the area of quantum dot basement membrane is to be prepared n times of quantum dot membrane area, and n is positive number；Step S2, quantum dot basement membrane arranges multiple the first smooth conversion stripes being parallel to each other and multiple the second smooth conversion stripes being parallel to each other, each first smooth conversion stripes contacts with each second smooth conversion stripes respectively has angle between setting, and each first smooth conversion stripes and each second smooth conversion stripes；Step S3, the quantum dot basement membrane with the first smooth conversion stripes and the second smooth conversion stripes is cut, obtain multiple quantum dot film, at least one side of each quantum dot film have cropped after the first smooth conversion stripes, two sides adjacent with the first smooth conversion stripes have cropped after the second smooth conversion stripes.Above-mentioned preparation method reduces quantum dot film preparation cost.
Description
Technical field
The present invention relates to optical technical field, in particular to a kind of quantum dot film, its preparation method and have it
Backlight module.
Background technology
Backlight module of the prior art mainly includes straight-down negative module and side entering type module, and traditional side entering type module leads to
Cross light guide plate and the light of light source is converted to uniform area source outgoing, then enter back in quantum dot film and be converted to white light.
In above-mentioned backlight module, three sides that light guide plate is relative with light source incidence face all have some blue light and spill, thus cause indigo plant
Limit phenomenon；Meanwhile, no matter in straight-down negative or side illuminating module are applied, although quantum dot film is by dual baffle film and quantum
The sandwich structure of some layer composition, has Obstruct membrane to protect in the top and bottom of quantum dot layer, but water, oxygen can cause from side intrusion
Partial invalidity limit phenomenon, also results in the generation of blue limit phenomenon.In order to solve above-mentioned technical problem, generally in amount in prior art
Son point basement membrane and coating light-converting material on the three of light guide plate edges that light leak face is corresponding, the quantum dot film enabling formation will
White light is converted to from the light of light leak face injection.
But, along with the development of technology, the size of backlight module is more and more thinner, more and more accurate, especially at medium and small chi
In very little application, the requirement to precision can more be increased, based on this for the edge-coating light-converting material at quantum dot basement membrane, existing
Technology needs the cutting apparatus using precision higher, so that the preparation cost of quantum dot film is higher, is unfavorable for that it is extensive
Popularization and application.
Summary of the invention
Present invention is primarily targeted at and a kind of quantum dot film, its preparation method are provided and there is its backlight module, with
Solve prior art is coated with that the quantum dot film preparation of light-converting material is relatively costly and precision comparison problem rambunctious.
To achieve these goals, according to an aspect of the invention, it is provided the preparation method of a kind of quantum dot film, wrap
Including: step S1, it is provided that quantum dot basement membrane, the area of quantum dot basement membrane is to be prepared n times of quantum dot membrane area, and n is just
Number；Step S2, arranges multiple the first smooth conversion stripes being parallel to each other and multiple the second light being parallel to each other on quantum dot basement membrane
Conversion stripes, each first smooth conversion stripes contacts setting respectively with each second smooth conversion stripes, and each first smooth conversion stripes and each second light
There is between conversion stripes angle；Step S3, cuts out the quantum dot basement membrane with the first smooth conversion stripes and the second smooth conversion stripes
Cut, obtain multiple quantum dot film, at least one side of each quantum dot film have cropped after the first smooth conversion stripes, with first
Two sides that light conversion stripes is adjacent have cropped after the second smooth conversion stripes, cropped after the first smooth conversion stripes and second
Light conversion stripes forms the light conversion edge sealing of each quantum dot film.
Further, cutting of step S3 includes: carry out cutting for the first time being prepared along cutting line to quantum dot basement membrane
Unit, cutting line is the edge center line parallel with the bearing of trend of the first smooth conversion stripes length and second light of the first smooth conversion stripes
Conversion stripes along the center line parallel with the bearing of trend of the second smooth conversion stripes length.
Further, cutting of step S3 also includes: preparation unit is entered by the bearing of trend along the first smooth conversion stripes length
Row second time cuts, or along the bearing of trend of the second smooth conversion stripes length, preparation unit is carried out second time and cut, with will preparation
Unit is divided into two quantum dot films, the area equation of preferred quantum dots film.
Further, quantum dot basement membrane is rectangle or rhombus, and two sidelines of quantum dot basement membrane are parallel with first direction, amount
The two other sideline of son point basement membrane is parallel with second direction, in step s 2, arranges the first smooth conversion stripes in the first direction, and
Second smooth conversion stripes is set in a second direction.
Further, in step s 2, on quantum dot basement membrane, setting has the first smooth conversion stripes and tool of the first width
There is the second smooth conversion stripes of the second width, and the first width is equal to the second width.
Further, in step s 2, being selected from of the width independence of the width of the first smooth conversion stripes and the second smooth conversion stripes
0.1～2mm.
Further, in step s 2, the first smooth conversion stripes is set in the first-class spacing of quantum dot basement membrane, and quantum dot-based
The smooth conversion stripes of spaced set second on film.
Further, step S2 includes procedure below: be coated with the first smooth conversion coating on quantum dot basement membrane, many to be formed
Individual the first smooth conversion coating being parallel to each other, the preferably first smooth conversion coating includes fluorescent material；Coating the on quantum dot basement membrane
Two smooth conversion coatings, the second smooth conversion coating arranged to be formed multiple and each first smooth conversion coating to contact, and each first light
Having angle between conversion coating and each second smooth conversion coating, the preferably second smooth conversion coating includes fluorescent material；By the first light
Conversion coating and the first smooth conversion coating carry out cured, to form the first smooth conversion stripes and the second smooth conversion stripes.
According to a further aspect in the invention, it is provided that a kind of quantum dot film, quantum dot film is prepared by above-mentioned preparation method
Form.
According to a further aspect in the invention, additionally provide a kind of backlight module, including light guide plate and be arranged at light guide plate
On quantum dot film, quantum dot film is above-mentioned quantum dot film, and light in quantum dot film conversion edge sealing is arranged away from light guide plate.
Application technical scheme, it is provided that the preparation method of a kind of quantum dot film, owing to this preparation method is passed through
First arrange on the first surface of quantum dot basement membrane multiple the first smooth conversion stripes being parallel to each other and multiple be parallel to each other second
Light conversion stripes, then by the quantum dot basement membrane with the first smooth conversion stripes and the second smooth conversion stripes is cut, many to obtain
Individual quantum dot film, and at least one side of each quantum dot film have cropped after the first smooth conversion stripes, with first light conversion
Two sides that bar is adjacent have cropped after the second smooth conversion stripes, above-mentioned cropped after the first smooth conversion stripes and the second light
Conversion stripes defines and is arranged at the light conversion edge sealing that basement membrane is cut out in portion such that it is able to the equipment using precision relatively low is first at quantum
The first bigger smooth conversion stripes of width and the second smooth conversion stripes are set on some basement membrane, then are turned by the light of the required width of cutting formation
Change edge sealing structure, and then reduce quantum dot film preparation cost.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The Figure of description of the part constituting the present invention is used for providing a further understanding of the present invention, and the present invention shows
Meaning property embodiment and explanation thereof are used for explaining the present invention, are not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows in the preparation method of the quantum dot film provided in embodiment of the present invention, at quantum dot basement membrane
First surface arranges the plan structure schematic diagram after multiple first smooth conversion stripes and multiple second smooth conversion stripes；
Fig. 2 shows that in Fig. 1, the first smooth conversion stripes and multiple second smooth conversion stripes are to include that multiple light changes glue pattern
The plan structure schematic diagram of rectangular area；
Fig. 3 shows that the first smooth conversion stripes and the surface of multiple second smooth conversion stripes or inside arrange labelling in FIG
The plan structure schematic diagram of rear matrix；
Fig. 4 shows the preparation list obtained after carrying out cutting for the first time to the part quantum dot basement membrane shown in a-quadrant in Fig. 1
The plan structure schematic diagram of unit；
Fig. 5 shows that the plan structure of the quantum dot film obtained after carrying out preparation unit shown in Fig. 4 cutting for the second time is shown
It is intended to；
Fig. 6 shows the cross-sectional view of the quantum dot film that embodiment of the present invention provided；And
Fig. 7 shows the plan structure schematic diagram of the quantum dot film that embodiment of the present invention provided.
Wherein, above-mentioned accompanying drawing includes the following drawings labelling:
100, basement membrane cuts out portion；200, light conversion edge sealing；210, the first smooth conversion stripes；211, the first edge band；212,
Three edge bands；220, the second smooth conversion stripes；221, the second edge band；A, quantum dot film region.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Combination mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with in the embodiment of the present invention
Accompanying drawing, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a present invention part rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, all should belong to the model of present invention protection
Enclose.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " it is etc. for distinguishing similar object, without being used for describing specific order or precedence.Should be appreciated that so use
Data can exchange in the appropriate case, in order to embodiments of the invention described herein.Additionally, term " includes " and " tool
Have " and their any deformation, it is intended that cover non-exclusive comprising, such as, contain series of steps or unit
Process, method, system, product or equipment are not necessarily limited to those steps or the unit clearly listed, but can include the most clear
That list to Chu or for intrinsic other step of these processes, method, product or equipment or unit.
As described in background technology, prior art needs the equipment using precision higher, so that quantum dot
The preparation cost of film is higher, is unfavorable for its large-scale promotion application.Present inventor studies for the problems referred to above, carries
Go out the preparation method of a kind of quantum dot film, including: step S1, it is provided that quantum dot basement membrane, the area of quantum dot basement membrane is by being intended to
N times of the quantum dot membrane area of preparation, n is positive number；Step S2, arranges multiple the first light being parallel to each other on quantum dot basement membrane
Conversion stripes 210 and multiple the second smooth conversion stripes 220 being parallel to each other, each first smooth conversion stripes 210 is changed with each second light respectively
Bar 220 contact is arranged, and has angle between each first smooth conversion stripes 210 and each second smooth conversion stripes 220；Step S3, will tool
The quantum dot basement membrane having the first smooth conversion stripes 210 and the second smooth conversion stripes 220 cuts, and obtains multiple quantum dot film, respectively measures
Son point film at least one side have cropped after the first smooth conversion stripes 210, two adjacent with the first smooth conversion stripes 210
Side have cropped after the second smooth conversion stripes 220, cropped after the first smooth conversion stripes 210 and the second smooth conversion stripes 220
Form the light conversion edge sealing 200 of each quantum dot film.
Owing to first arranging multiple phase on the first surface of quantum dot basement membrane in the preparation method of the quantum dot film of the present invention
The first the most parallel smooth conversion stripes and multiple the second smooth conversion stripes being parallel to each other, then by having the first smooth conversion stripes and the
The quantum dot basement membrane of two smooth conversion stripes cuts, to obtain multiple quantum dot film, and at least one side of each quantum dot film
Have cropped after the first smooth conversion stripes, two sides adjacent with the first smooth conversion stripes have cropped after the second light turn
Change bar, above-mentioned cropped after the first smooth conversion stripes and the second smooth conversion stripes define and be arranged at the light conversion that basement membrane is cut out in portion
Edge sealing such that it is able to use precision relatively low equipment that the first bigger smooth conversion stripes of width and the is first set on quantum dot basement membrane
Two smooth conversion stripes, then the light conversion edge sealing structure of required width is formed by cutting, and then reduce quantum dot film preparation cost.
The illustrative embodiments of preparation method of the quantum dot film provided according to the present invention is provided.
But, these illustrative embodiments can be implemented by multiple different form, and should not be construed to be limited solely to this
In the embodiment that illustrated.It should be appreciated that these embodiments are provided so that disclosure herein thoroughly and
Completely, and by the design of these illustrative embodiments it is fully conveyed to those of ordinary skill in the art.
First, step S1 is performed: providing quantum dot basement membrane, the area of quantum dot basement membrane is the quantum dot face to be prepared
Long-pending n times, n is positive number.Can be by arranging quantum dot ink on the transparent substrate and carrying out dried, to form quantum dot
Basement membrane, further, it is also possible to by arranging the quantum dot ink of different glow color on the diverse location of transparency carrier, with
Form the quantum dot basement membrane with multiple subpixel area, and by subsequent technique, quantum dot basement membrane is cut, make quantum
Point basement membrane forms required size.
After completing step S1, perform step S2: multiple the first light being parallel to each other is set on quantum dot basement membrane and turns
Change bar 210 and multiple the second smooth conversion stripes 220 being parallel to each other, each first smooth conversion stripes 210 respectively with each second smooth conversion stripes
220 contacts are arranged, and have angle between each first smooth conversion stripes 210 and each second smooth conversion stripes 220, the matrix of formation such as figure
Shown in 1.By above-mentioned first smooth conversion stripes 210 and above-mentioned second smooth conversion stripes 220 are arranged on quantum dot basement membrane, can make
Each first smooth conversion stripes 210 intersects with each second smooth conversion stripes 220 respectively, it is possible to so that the first smooth conversion stripes 210 is adjacent to the
The both sides of two smooth conversion stripes 220, or the second smooth conversion stripes 220 is adjacent to the both sides of the first smooth conversion stripes 210, and the most each first light turns
Change, between bar 210 and each second smooth conversion stripes 220, not there is overlapping region.
In above-mentioned steps S2, can be according to the size of the quantum dot film to be prepared, on the surface to quantum dot basement membrane
The spacing of each first smooth conversion stripes 210 and the spacing of each second smooth conversion stripes 220 are optimized, thus at quantum dot basement membrane
Surface forms multiple rectangular area surrounded by the first smooth conversion stripes 210 and the second smooth conversion stripes 220 or diamond-shaped area, and passes through
The quantum dot basement membrane being provided with the first smooth conversion stripes 210 and the second smooth conversion stripes 220 is cut out, to obtain required size
Quantum dot film.
In above-mentioned steps S2, the first smooth conversion stripes 210 of formation and the second smooth conversion stripes 220 can be to include multiple light
The rectangular area of conversion glue pattern, each light conversion glue pattern form unification in rectangular area and non-overlapping copies, such as Fig. 2 institute
Show.Wherein, above-mentioned light changes the shape of glue pattern can be into variously-shaped, such as point-like；Further, above-mentioned light conversion glue pattern is permissible
Cover the first smooth conversion stripes 210 and whole rectangular areas at the second smooth conversion stripes 220 place.
In order to the quantum dot film of pre-lookup can be traced back to after cutting, know the position of its place former quantum dot basement membrane
Information, it is preferable that above-mentioned steps S2 is additionally included in the first smooth conversion stripes 210 and the surface of the second smooth conversion stripes 220 or inside
The step of labelling is set.The pattern of above-mentioned labelling can be continuous print symbol, alphanumeric symbol, figure, geometrical pattern, word
The combination of at least two in mother, word, numeral, mark, picture；Further, the first smooth conversion stripes being on same level line
210 or be on same level line the second smooth conversion stripes 220 on identical labelling can be set.
In order to be maintained in subsequent step, the first smooth conversion stripes 210 and the second smooth conversion stripes 220 are cut the complete of rear labelling
Whole property, it is further preferable that arrange many groups continuously on the first smooth conversion stripes 210 and the surface of the second smooth conversion stripes 220 or inside
Identical labelling, as shown in Figure 3.By arranging many group echos A1, A2 and B5 continuously, to ensure follow-up the first light in Fig. 3
Conversion stripes 210 and the second smooth conversion stripes 220 at least obtain one group of complete labelling A1, A2 and B5 after cutting.Above-mentioned preferred reality
The mode of executing is more conducive to the identification of labelling.
Further, so that the labelling arranged does not affects the uniformity of luminance of the quantum dot film finally prepared, can
Above-mentioned labelling is arranged on the position symmetrical about cutting line of the first smooth conversion stripes 210 and the second smooth conversion stripes 220, with
Labelling is made to be distributed evenly in the first smooth smooth conversion stripes of conversion stripes 210 or the second 220.
Similarly, so that the labelling arranged does not affects the uniformity of luminance of the quantum dot film finally prepared, also may be used
With use the material not developed the color under natural light to make above-mentioned labelling, as use the most under ultraviolet light Show Color and at nature
The ink shown without color under light makes above-mentioned labelling.Preferably, special this special fluorescent material of standby quantum dot is used to make
For marker material.This special standby quantum dot absorbs at 430nm band above not light, only could light at below 430nm wave band
Absorb such that it is able to realize the effect developed the color under given conditions.
In another preferred embodiment, the above-mentioned micro structure being labeled as being arranged in light conversion stripes is the most recessed
The combination of structure, male structure or recessed structure and male structure, by above-mentioned can distinguish the most equally cut after
Each quantum dot film arrived, and know the positional information of its place former quantum dot basement membrane.
The manufacture method of above-mentioned labelling can include but not limited to following manner: inkjet printing, nano impression, screen printing
Brush, exposure imaging etc., process conditions those skilled in the art of above-mentioned each manufacture method can be set according to prior art.
In order to improve the utilization rate of quantum dot basement membrane, in a preferred embodiment, quantum dot basement membrane be rectangle or
Rhombus, two sidelines of quantum dot basement membrane are parallel with first direction, and the two other sideline of quantum dot basement membrane is put down with second direction
OK, in step s 2, the first smooth conversion stripes 210 is set in the first direction, and the second smooth conversion stripes 220 is set in a second direction,
Thus multiple rectangle region surrounded by the first smooth conversion stripes 210 and the second smooth conversion stripes 220 is formed on the surface of quantum dot basement membrane
Territory or diamond-shaped area, this region can be for shown in the A in Fig. 1.It is further preferable that above-mentioned first smooth conversion stripes 210 and quantum dot
Basement membrane is isometric, and above-mentioned second smooth conversion stripes 220 is wide with quantum dot basement membrane.
In a preferred embodiment, in step s 2, quantum dot basement membrane is arranged there is the of the first width
One smooth conversion stripes 210 and the second smooth conversion stripes 220 with the second width, and the first width is equal to the second width.Thus pass through
First smooth conversion stripes 210 and the second smooth conversion stripes 220 with same widths is set in step s 2, simplifies the first light conversion
Bar 210 and the preparation technology of the second smooth conversion stripes 220；Further, in follow-up step S3, it is possible to only by simply cutting work
Skill i.e. obtains the quantum dot film with wide light conversion edge sealing.
Further, in step s 2, those skilled in the art can be according to the size of quantum dot basement membrane provided and be intended to
The size of the quantum dot film of preparation arranges the first smooth conversion stripes 210 and the second smooth conversion stripes 220 of specific width, thus passes through again
Quantum dot basement membrane is cut out, to obtain the light conversion edge sealing with suitable width.Preferably, the first smooth conversion stripes 210
The width independence of width and the second smooth conversion stripes 220 selected from 0.1～2mm.Size due to the quantum dot film of 55 cun of TVs
At about 120cm × 65cm, therefore, by by the width of the first smooth conversion stripes 210 and the width setup of the second smooth conversion stripes 220
In the range of 0.1～2mm, the first smooth conversion stripes 210 and the second smooth conversion stripes 220 can not only be made to have bigger width,
Thus the equipment using precision relatively low is i.e. capable of the first smooth conversion stripes 210 and setting of the second smooth conversion stripes 220, moreover it is possible to
The first smooth conversion stripes 210 and the second smooth conversion stripes 220 is enough made to form width suitable light conversion edge sealing after cutting, so that light
Conversion edge sealing covers more on the invalid edges region of quantum dot basement membrane, and then more effectively reduces amount in quantum dot film
The loss of the conversion efficiency that sub-point failure brings.
In a preferred embodiment, in step s 2, the first light conversion is set in the first-class spacing of quantum dot basement membrane
Bar 210, and the second smooth conversion stripes 220 is set in the first-class spacing of quantum dot basement membrane.Changed by above-mentioned first light of spaced set
Bar 210 and the second smooth conversion stripes 220, and the spacing between the first adjacent smooth conversion stripes 210 and the second adjacent light are turned
The spacing changed between bar 220 is optimized, thus can obtain the quantum dot film with same size in subsequent step S3, enters
And each quantum dot film prepared can be made to be satisfied by the requirement of required size, to meet the amount of mass production fixed dimension
The demand of son point film.
Alternatively, when the surface of above-mentioned first smooth conversion stripes 210 and above-mentioned second smooth conversion stripes 220, there is the conversion of above-mentioned light
During glue pattern, in above-mentioned steps S2, by typography, the first smooth conversion stripes 210 and the second smooth conversion stripes 220 are arranged on
On the surface of quantum dot basement membrane.In addition, above-mentioned first smooth conversion stripes 210 and above-mentioned second smooth conversion stripes 220 can also be led to
Cross and paste or be coated with the mode of lighting conversion coating and be made.In a preferred embodiment, above-mentioned steps S2 includes
Procedure below: be coated with the first smooth conversion coating on quantum dot basement membrane, to form multiple the first smooth conversion coating being parallel to each other；
Quantum dot basement membrane is coated with the second smooth conversion coating, the second light arranged to be formed multiple and each first smooth conversion coating to contact
Between conversion coating, and each first smooth conversion coating and each second smooth conversion coating, there is angle；By the first smooth conversion coating and
First smooth conversion coating carries out cured, to form the first smooth conversion stripes 210 and the second smooth conversion stripes 220.
Above-mentioned first smooth conversion coating and above-mentioned second smooth conversion coating can include quantum dot, fluorescent microsphere and fluorescent material
In one or more, wherein, fluorescent microsphere can be the microsphere that inside has quantum dot or fluorescent material, and the base material of microsphere can
To be polymer or inorganic matter.Preferably, the first smooth conversion coating and the second smooth conversion coating all include fluorescent material, due to glimmering
Light powder has more stable character than quantum dot, from without forming invalid edges region quantum dot film.Above-mentioned first light turns
Changing coating and above-mentioned second smooth conversion coating can also include glue, glue is preferably acrylate, silica gel, polyurethane and epoxy
Any one or more in resin.Now, above-mentioned steps S2 can also include changing the first smooth conversion coating and the second light being coated with
Material carries out the process of cured, and above-mentioned cured is preferably UV solidification or heat cure, and the temperature of heat cure is preferably
30～200 DEG C.
After completing step S2, perform step S3: will there is the first smooth conversion stripes 210 and the second smooth conversion stripes 220
Quantum dot basement membrane cuts, and obtains multiple quantum dot film, at least one side of each quantum dot film have cropped after
One smooth conversion stripes 210, two sides adjacent with the first smooth conversion stripes 210 have cropped after the second smooth conversion stripes 220.Logical
Cross above-mentioned steps S3 to be possible not only to obtain four sides and be respectively provided with the quantum dot film of light conversion edge sealing, it is also possible to obtain three sides
There is the quantum dot film of light conversion edge sealing, thus meet different backlight modules to the demand of light conversion edge sealing in quantum dot film.
The mode cutting the quantum dot basement membrane with the first smooth conversion stripes 210 and the second smooth conversion stripes 220 has very
Multiple, in a preferred embodiment, cutting of step S3 includes: carry out cutting out for the first time along cutting line to quantum dot basement membrane
Cutting, obtain multiple preparation unit, cutting line is the extension side with the first smooth conversion stripes 210 length, the edge of the first smooth conversion stripes 210
To the center line that the edge of the smooth conversion stripes of parallel center line and second 220 is parallel with the bearing of trend of the second smooth conversion stripes 220 length,
The quantum dot film formed as shown in Figure 4, the first edge band 211 for obtaining after the first smooth conversion stripes 210 is cut, second
Edge band 221 is for obtain after the second smooth conversion stripes 220 being cut, and the first edge band 211 and the second edge band 221 are respectively
It is positioned at relative two side of quantum dot film, and constitutes the light conversion edge sealing of quantum dot film.Above-mentioned preferred embodiment
In, can first along the first cutting line, quantum dot basement membrane be cut, the first cutting line be the first smooth conversion stripes 210 with first
The center line that the bearing of trend of light conversion stripes 210 length is parallel, it is also possible to first along the second cutting line, quantum dot basement membrane is cut,
Second cutting line is that the parallel center line of the bearing of trend with the second smooth conversion stripes 220 length of the second smooth conversion stripes 220 is to quantum
Point basement membrane cuts, it is also possible to cut quantum dot basement membrane along the first cutting line and the second cutting line simultaneously, thus shape
Become quantum dot film as shown in Figure 4.
It is further preferable that obtain preparation unit after above-mentioned first time cuts, now cutting of step S3 also includes: along
The bearing of trend of one smooth conversion stripes 210 length carries out second time and cuts preparation unit, or along the second smooth conversion stripes 220 length
Bearing of trend carries out second time and cuts, so that described preparation unit to be divided into two described quantum dot films, such as Fig. 5 institute preparation unit
Showing, the 3rd edge band 212 is for obtaining after being cut by the first edge band 211, and the 3rd edge band 212 and the second edge band
The 221 different sides laying respectively at quantum dot film, and constitute the light conversion edge sealing of quantum dot film.Use above-mentioned preferred enforcement
In the quantum dot film that mode enables to, light conversion edge sealing has identical width, thus by arranging the first of suitable width
Light conversion stripes 210 and the second smooth conversion stripes 220, efficiently avoid in quantum dot film owing to the width of light conversion edge sealing is less
The problem that invalid edges region cannot be completely covered caused.
But it should be noted that quantum dot basement membrane cuts above-mentioned mode is not limited to above-mentioned preferred enforcement
Mode, for example, it is also possible to the step in above-mentioned preferred implementation is exchanged sequencing, the most first carries out above-mentioned second time and cuts
Carrying out above-mentioned first time again cuts to obtain same quantum dot film.It is further preferable that pre-to obtain after cutting for the first time
During standby unit carries out cutting for the second time, the area equation of the quantum dot film of formation.Use above-mentioned preferred embodiment
Can make to cut two the quantum dot films obtained to be of the same size, thus efficiently avoid quantum dot film due to size mistake
Big or the how little and problem that cannot carry out mating with backlight module.
According to further aspect of the application, it is provided that a kind of quantum dot film being prepared from by above-mentioned preparation method, as
Shown in Fig. 6 and 7, cut out portion 100 and light conversion edge sealing 200 including basement membrane.Owing to this quantum dot film is by quantum dot basement membrane
First surface on multiple the first smooth conversion stripes being parallel to each other and multiple the second smooth conversion stripes being parallel to each other be set, then will tool
The quantum dot basement membrane having the first smooth conversion stripes and the second smooth conversion stripes carries out cutting and obtaining, and at least the one of each quantum dot film
Individual side have cropped after the first smooth conversion stripes, two sides adjacent with the first smooth conversion stripes have cropped after
Two smooth conversion stripes, so that have light conversion edge sealing to quantum dot film, and then are being applied to backlight mould by above-mentioned quantum dot film
Time in group, quantum dot film is arranged on the exiting surface of light guide plate, and the light conversion edge sealing in quantum dot film can be by from light guide plate
The emergent light of at least one light leak face injection makes its color become white by complementary colors, effectively reduces in backlight module
The leakage of blue light, improves brightness and the evenness degree of backlight module.
According to further aspect of the application, additionally provide a kind of backlight module, including light guide plate and be arranged at leaded light
Quantum dot film on plate, quantum dot film includes that basement membrane cuts out portion 100 and light conversion edge sealing 200, and light conversion edge sealing 200 is arranged at base
Film cuts out the side away from light guide plate in portion 100, and quantum dot film is prepared from by above-mentioned preparation method, such as Fig. 6 and 7.Due to
Quantum dot film in this backlight module has light conversion edge sealing, and is arranged on the exiting surface of light guide plate, so that quantum dot film
In light conversion edge sealing the emergent light penetrated from least one light leak face of light guide plate can be made its color by complementary colors
Become white, effectively reduce the leakage of blue light in backlight module, improve brightness and the evenness degree of backlight module.
The manufacture method of surface modification mask plate that the present invention provides and electroluminescent is further illustrated below in conjunction with embodiment
The manufacture method of luminescent device.
Embodiment 1
The step of the preparation method of the quantum dot film that the present embodiment provides includes:
Step a, it is provided that quantum dot basement membrane, quantum dot basement membrane is rectangle, and area is 250cm × 150cm；
Step b, is coated with the first light along the length direction spacing successively being parallel to quantum dot basement membrane on quantum dot basement membrane and turns
Change coating and be equidistantly coated with the second smooth conversion coating, each first smooth conversion coating along the width being parallel to quantum dot basement membrane
Contacting setting with each second smooth conversion coating respectively, the width of the first smooth conversion coating and the second smooth conversion coating is 0.3mm,
And first smooth conversion coating and the second smooth conversion coating be the acrylate comprising YAG fluorescent powder；
Step c, carries out cured, with at quantum by the first smooth conversion coating and the first smooth conversion coating at 100 DEG C
The first smooth conversion stripes and the second smooth conversion stripes is formed on some basement membrane；
Step d, carries out quantum dot basement membrane cutting for the first time, obtains multiple preparation unit, wherein, the sanction cut for the first time
Tangent line be the first smooth conversion stripes along the center line parallel with the bearing of trend of the first smooth conversion stripes and the second smooth conversion stripes with
The center line that the bearing of trend of the second smooth conversion stripes is parallel；
Step e, carries out along the parallel center line of the bearing of trend with the second smooth conversion stripes of preparation unit to preparation unit
Secondary cuts, with obtain area as 120cm × four quantum dot films of 65cm, and each quantum dot film has the light that width is 1mm
Conversion edge sealing.
Embodiment 2
The difference with embodiment 1 of the quantum dot film that the present embodiment provides is:
The width of the first smooth conversion coating and the second smooth conversion coating is 0.1mm.
Embodiment 3
The difference with embodiment 1 of the quantum dot film that the present embodiment provides is:
The width of the first smooth conversion coating and the second smooth conversion coating is 2mm.
Embodiment 4
The difference with embodiment 1 of the quantum dot film that the present embodiment provides is:
The width of the first smooth conversion coating and the second smooth conversion coating is 1mm.
Embodiment 5
The backlight module that the present embodiment provides includes blue light source, light guide plate and reflecting layer, light guide plate have incidence surface, the
One exiting surface, three light leak faces and second exiting surface parallel with the first exiting surface, light source is relative with the incidence surface of light guide plate to be set
Putting, and the second exiting surface of reflecting layer and light guide plate is oppositely arranged, backlight module also includes the quantum in brightness enhancement film and embodiment 1
Point film, quantum dot film is arranged on the first exiting surface of light guide plate, and this quantum dot film has the first surface away from light guide plate,
Light guide plate has the light conversion edge sealing near each light leak face, and above-mentioned brightness enhancement film is arranged on the light guide plate of quantum dot film.
Embodiment 6
With the difference of embodiment 5, the backlight module that the present embodiment provides is that quantum dot film is the quantum dot in embodiment 2
Film.
Embodiment 7
With the difference of embodiment 5, the backlight module that the present embodiment provides is that quantum dot film is the quantum dot in embodiment 3
Film.
Embodiment 8
With the difference of embodiment 5, the backlight module that the present embodiment provides is that quantum dot film is the quantum dot in embodiment 4
Film.
The uniformity of chromaticity of backlight module and the brightness that there is provided above-described embodiment 5 to 8 are tested, CIE (x, y) and
CIE (x', y') is chromaticity coordinate value, test result such as following table:
| Luminance uniformity | CIE-x deviation value | CIE-y deviation value | |
| Embodiment 5 | 88.45% | 0.0052 | 0.0112 |
| Embodiment 6 | 88.56% | 0.0059 | 0.0118 |
| Embodiment 7 | 88.50% | 0.0057 | 0.0116 |
| Embodiment 8 | 88.55% | 0.0057 | 0.0117 |
From above-mentioned test result it can be seen that the quantum dot film of preparation embodiment 1 to 4 is applied in backlight module,
The uniformity of chromaticity of backlight module and brightness can be made all to reach higher level.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
1, the equipment that precision can be used in the preparation method of the quantum dot film of the present invention relatively low is first on quantum dot basement membrane
The first bigger smooth conversion stripes of width and the second smooth conversion stripes are set, then are tied by the light conversion edge sealing of the required width of cutting formation
Structure, and then reduce quantum dot film preparation cost；
2, the quantum dot film using the preparation method of the present invention to obtain has light conversion edge sealing, thus by above-mentioned quantum dot
When film is applied in backlight module, quantum dot film is arranged on the exiting surface of light guide plate, the light conversion edge sealing energy in quantum dot film
Enough make its color become white by complementary colors the emergent light penetrated from least one light leak face of light guide plate, effectively subtract
Lack the leakage of blue light in backlight module, improve brightness and the evenness degree of backlight module.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. the preparation method of a quantum dot film, it is characterised in that including:
Step S1, it is provided that quantum dot basement membrane, the area of described quantum dot basement membrane is to be prepared n times of quantum dot membrane area,
Described n is positive number；
Step S2, arranges multiple the first smooth conversion stripes (210) being parallel to each other and multiple mutually flat on described quantum dot basement membrane
Second smooth conversion stripes (220) of row, each described first smooth conversion stripes (210) connects with each described second smooth conversion stripes (220) respectively
Touch and arrange, and between each described first smooth conversion stripes (210) and each described second smooth conversion stripes (220), there is angle；
Step S3, will have described first smooth conversion stripes (210) and the described quantum dot basement membrane of described second smooth conversion stripes (220)
Cut, obtain multiple quantum dot film, at least one side of each described quantum dot film have cropped after described first
Light conversion stripes (210), two sides adjacent with described first smooth conversion stripes (210) have cropped after described second light turn
Change bar (220), cropped after described first smooth conversion stripes (210) and described second smooth conversion stripes (220) form each described amount
Light conversion edge sealing (200) of son point film.
Preparation method the most according to claim 1, it is characterised in that cutting of described step S3 includes:
Carrying out cutting for the first time obtaining preparation unit along cutting line to described quantum dot basement membrane, described cutting line is described first light
The edge center line parallel with the bearing of trend of described first smooth conversion stripes (210) length of conversion stripes (210) and described second light
Conversion stripes (220) along the center line parallel with the bearing of trend of described second smooth conversion stripes (220) length.
Preparation method the most according to claim 2, it is characterised in that cutting of described step S3 also includes:
Bearing of trend along described first smooth conversion stripes (210) length carries out second time to described preparation unit and cuts, or along institute
Described preparation unit is carried out cutting for the second time by the bearing of trend stating the second smooth conversion stripes (220) length, with by single for described preparation
Unit is divided into two described quantum dot films, the area equation of the most described quantum dot film.
Preparation method the most according to claim 1, it is characterised in that described quantum dot basement membrane is rectangle or rhombus, described
Two sidelines of quantum dot basement membrane are parallel with first direction, and the two other sideline of described quantum dot basement membrane is put down with second direction
OK, in described step S2, described first smooth conversion stripes (210) is set along described first direction, and sets along described second direction
Put described second smooth conversion stripes (220).
Preparation method the most according to claim 1, it is characterised in that in described step S2, at described quantum dot basement membrane
Upper setting has the described first smooth conversion stripes (210) of the first width and has the described second smooth conversion stripes of the second width
, and described first width is equal to described second width (220).
Preparation method the most according to claim 1, it is characterised in that in described step S2, described first smooth conversion stripes
(210) the width independence of width and described second smooth conversion stripes (220) selected from 0.1～2mm.
Preparation method the most according to claim 1, it is characterised in that in described step S2, at described quantum dot basement membrane
First smooth conversion stripes (210) described in upper spaced set, and described second light is set in the described first-class spacing of quantum dot basement membrane turns
Change bar (220).
8. according to the preparation method according to any one of claim 4 to 7, it is characterised in that described step S2 includes following mistake
Journey:
Described quantum dot basement membrane is coated with the first smooth conversion coating, to form multiple the first smooth conversion coating being parallel to each other,
The most described first smooth conversion coating includes fluorescent material；
Described quantum dot basement membrane is coated with the second smooth conversion coating, contacts forming multiple and each described first smooth conversion coating
The the second smooth conversion coating arranged, and between each described first smooth conversion coating and each described second smooth conversion coating, there is folder
Angle, the most described second smooth conversion coating includes fluorescent material；
Described first smooth conversion coating and described first smooth conversion coating are carried out cured, to form described first light conversion
Bar (210) and described second smooth conversion stripes (220).
9. a quantum dot film, it is characterised in that described quantum dot film is by the preparation side according to any one of claim 1 to 8
Method is prepared from.
10. a backlight module, including light guide plate and the quantum dot film that is arranged on described light guide plate, it is characterised in that institute
Stating quantum dot film is the quantum dot film described in claim 9, and light conversion edge sealing (200) in described quantum dot film is led away from described
Tabula rasa is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610633290.2A CN106195780B (en) | 2016-08-04 | 2016-08-04 | Quantum dot film, preparation method and the backlight module with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610633290.2A CN106195780B (en) | 2016-08-04 | 2016-08-04 | Quantum dot film, preparation method and the backlight module with it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106195780A true CN106195780A (en) | 2016-12-07 |
| CN106195780B CN106195780B (en) | 2019-05-14 |
Family
ID=57498093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610633290.2A Active CN106195780B (en) | 2016-08-04 | 2016-08-04 | Quantum dot film, preparation method and the backlight module with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106195780B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024800A (en) * | 2017-03-03 | 2017-08-08 | 厦门天马微电子有限公司 | Quantum dot film, backlight module, the preparation method of display device and quantum dot film |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7582914B2 (en) * | 2006-11-09 | 2009-09-01 | Yuan Lin | White light emitting diode device |
| JP2012094647A (en) * | 2010-10-26 | 2012-05-17 | Stanley Electric Co Ltd | Light-emitting device and method of manufacturing the same |
| US20150009453A1 (en) * | 2013-07-02 | 2015-01-08 | Samsung Display Co., Ltd. | Light source unit, method of manufacturing the same, and backlight unit having the same |
| CN104848168A (en) * | 2015-04-10 | 2015-08-19 | 武汉华星光电技术有限公司 | Method for preparing quantum dot diaphragm |
| CN105315621A (en) * | 2014-07-10 | 2016-02-10 | Tcl集团股份有限公司 | Quantum dot/epoxy resin particle, preparation method thereof, quantum dot optical film and backlight module |
| CN106189826A (en) * | 2016-07-28 | 2016-12-07 | 厦门玻尔科技有限公司 | Edge self-enclosed quantum dot film |
-
2016
- 2016-08-04 CN CN201610633290.2A patent/CN106195780B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7582914B2 (en) * | 2006-11-09 | 2009-09-01 | Yuan Lin | White light emitting diode device |
| JP2012094647A (en) * | 2010-10-26 | 2012-05-17 | Stanley Electric Co Ltd | Light-emitting device and method of manufacturing the same |
| US20150009453A1 (en) * | 2013-07-02 | 2015-01-08 | Samsung Display Co., Ltd. | Light source unit, method of manufacturing the same, and backlight unit having the same |
| CN105315621A (en) * | 2014-07-10 | 2016-02-10 | Tcl集团股份有限公司 | Quantum dot/epoxy resin particle, preparation method thereof, quantum dot optical film and backlight module |
| CN104848168A (en) * | 2015-04-10 | 2015-08-19 | 武汉华星光电技术有限公司 | Method for preparing quantum dot diaphragm |
| CN106189826A (en) * | 2016-07-28 | 2016-12-07 | 厦门玻尔科技有限公司 | Edge self-enclosed quantum dot film |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024800A (en) * | 2017-03-03 | 2017-08-08 | 厦门天马微电子有限公司 | Quantum dot film, backlight module, the preparation method of display device and quantum dot film |
| CN107024800B (en) * | 2017-03-03 | 2019-09-06 | 厦门天马微电子有限公司 | The production method of quantum dot film, backlight module, display device and quantum dot film |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106195780B (en) | 2019-05-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103854569B (en) | Display device and its manufacturing method | |
| CN104456282B (en) | Backlight assembly and display including backlight assembly | |
| US9791605B2 (en) | Color conversion film, display panel using color conversion film and method for manufacturing color conversion film | |
| CN103592815B (en) | A kind of mask plate, substrate and display unit | |
| CN106158916A (en) | Quantum dot film, its manufacture method and display device | |
| CN106980208B (en) | Light controllable quantum dot backlight source | |
| CN104330912A (en) | Mother board, mother board after box pairing, corresponding manufacturing method and liquid crystal display panel | |
| US9867289B2 (en) | Filled large-format imprinting method | |
| CN104166270A (en) | Color film substrate, manufacturing method thereof and display panel | |
| CN105182680A (en) | Color-resistor mask plate and application method thereof | |
| CN107402469B (en) | Color film substrate and manufacturing method thereof, display panel and display device | |
| CN104795430A (en) | Organic light emitting display device and manufacturing method thereof | |
| CN110265451A (en) | Display base plate and manufacturing method, display device | |
| CN102374495B (en) | Light guide plate, production method thereof and double-faced pattern display device | |
| CN111697122A (en) | Display module and manufacturing method thereof, LED display module and LED display screen | |
| CN106195780A (en) | Quantum dot film, its preparation method and there is its backlight module | |
| CN103489893A (en) | COA substrate, display device and manufacturing method of COA substrate | |
| CN105182580A (en) | Liquid crystal display (LCD) panel, manufacturing method thereof, and LCD panel mother board | |
| CN102537753A (en) | Backlight diaphragm as well as manufacturing method and molding equipment thereof | |
| CN100447591C (en) | Color filter substrate and manufacture method therefor | |
| CN113009605A (en) | Mini LED micro-lens light-homogenizing sheet, preparation process thereof and backlight module | |
| CN101609238A (en) | Image element array substrates and display panel with colour filter array | |
| CN215678833U (en) | Mini LED micro-lens light homogenizing sheet and backlight module | |
| EP3226043A1 (en) | Method for manufacturing colour light filter, colour light filter and display device | |
| CN1306287C (en) | Colour filter, display and mfg. method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Quantum dot film, preparation method thereof and backlight module with the same Effective date of registration: 20211225 Granted publication date: 20190514 Pledgee: Bank of Hangzhou Limited by Share Ltd. science and Technology Branch Pledgor: NAJING TECHNOLOGY Corp.,Ltd. Registration number: Y2021980016045 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |