CN109608687A - Optical conversion film, the preparation method of optical conversion film and backlight assembly - Google Patents
Optical conversion film, the preparation method of optical conversion film and backlight assembly Download PDFInfo
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- CN109608687A CN109608687A CN201811331982.7A CN201811331982A CN109608687A CN 109608687 A CN109608687 A CN 109608687A CN 201811331982 A CN201811331982 A CN 201811331982A CN 109608687 A CN109608687 A CN 109608687A
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/36—After-treatment
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/36—After-treatment
- C08J9/365—Coating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/36—After-treatment
- C08J9/40—Impregnation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/36—After-treatment
- C08J9/40—Impregnation
- C08J9/42—Impregnation with macromolecular compounds
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/44—Oxides or hydroxides of elements of Groups 2 or 12 of the Periodic System; Zincates; Cadmates
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/45—Oxides or hydroxides of elements of Groups 3 or 13 of the Periodic System; Aluminates
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- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic System; Titanates; Zirconates; Stannates; Plumbates
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- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/48—Oxides or hydroxides of chromium, molybdenum or tungsten; Chromates; Dichromates; Molybdates; Tungstates
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- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/02—Cellulose; Modified cellulose
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
Abstract
The application provides the preparation method and backlight assembly of a kind of optical conversion film, optical conversion film.The optical conversion film includes substrate, luminescence generated by light structure and self-healing structure.The luminescence generated by light structure is attached to the substrate surface.The self-healing material coats the substrate and the luminescence generated by light structure, and the self-healing material is hydroxylated polyurethane material.Due to including a large amount of hydroxyl in hydroxylated polyurethane material, if there is breakage in the optical conversion film, the hydrogen bond that the optical conversion film can use in the hydroxyl is repaired, to realize the optical conversion film with self-healing function, caused by solving due to optical conversion film breakage the technical issues of display panel performance impairment.
Description
Technical field
This application involves display fields, and in particular to the preparation method and backlight of a kind of optical conversion film, optical conversion film
Component.
Background technique
In the prior art, display technology continues to introduce new, and the application scenarios of display panel are also constantly expanded, for example,
Transparent display panel, translucent display surface plate etc., for flexible translucent display panel, the optical conversion film of backlight assembly is past
Toward damaged situation is easy to appear, make display panel performance impairment.It would therefore be highly desirable to solve to solve since optical conversion film is damaged and
The technical issues of caused display panel performance impairment.
Summary of the invention
The application provides the preparation method and backlight assembly of a kind of optical conversion film, optical conversion film, to solve due to light
Caused by switching film is damaged the technical issues of display panel performance impairment.
A kind of optical conversion film, comprising:
Substrate；
Luminescence generated by light structure, the luminescence generated by light structure are attached to the substrate surface；
Self-healing structure, the self-healing material coat the substrate and the luminescence generated by light structure, the self-healing material
Material is hydroxylated polyurethane material.
In the optical conversion film provided by the embodiment of the present application, the structural formula of the self-healing material isWherein, the R isM and n is natural number.
In the optical conversion film provided by the embodiment of the present application, the substrate is porous material, if the substrate includes
Dry hole gap, the luminescence generated by light structure are attached to the surface and intrapore surface of the two sides of the substrate.
In the optical conversion film provided by the embodiment of the present application, the substrate is cellophane.
In the optical conversion film provided by the embodiment of the present application, the substrate with a thickness of 1 micron -500 microns.
In the optical conversion film provided by the embodiment of the present application, the luminescence generated by light structure includes several luminescence generated by lights
Grain.
In the optical conversion film provided by the embodiment of the present application, several photoluminescent particles are at least two different
The photoluminescent particles of light color out.
A kind of preparation method of optical conversion film, comprising:
One substrate is provided；
One luminescence generated by light precursor solution is provided；
The substrate is infiltrated with the luminescence generated by light precursor solution；
The substrate for being impregnated with the luminescence generated by light precursor solution is heat-treated, a semi-finished product are obtained, it is described
Semi-finished product include substrate and luminescence generated by light structure, and the luminescence generated by light structure is attached to the substrate surface；
One self-healing precursor solution is provided；
The semi-finished product are infiltrated with the self-healing precursor solution；
The semi-finished product for being impregnated with the self-healing precursor solution are heat-treated, it is thin to obtain the light conversion
Film.
In the preparation method of the optical conversion film provided by the embodiment of the present application, the substrate is porous material, described
Substrate includes several holes.
In the preparation method of the optical conversion film provided by the embodiment of the present application, the structural formula of the self-healing material isWherein, the R isM and n is natural number.
In the preparation method of the optical conversion film provided by the embodiment of the present application, one self-healing predecessor of the offer is molten
Liquid, comprising:
Protection is passivated to the first reactant, carries out forming the first intermediate product after reacting with acrylic acid again, wherein the
The structural formula of one reactant isThe structural formula of first intermediate product isThe R1 is siloxy group functional group；
Polymerization reaction is carried out to first intermediate product, then removes blocking group, obtains the self-healing material.
A kind of backlight assembly, comprising:
One light guide plate；And
One optical conversion film, the optical conversion film are set to the surface of the light guide plate, and the optical conversion film is such as
The preceding optical conversion film.
In the backlight assembly provided by the embodiment of the present application, the light guide plate has far from the surface of the optical conversion film
There is reflective structure, the reflective structure is several grooves for being set to surface of the light guide plate far from the optical conversion film.
The application provides the preparation method and backlight assembly of a kind of optical conversion film, optical conversion film.The light conversion is thin
Film includes substrate, luminescence generated by light structure and self-healing structure.The luminescence generated by light structure is attached to the substrate surface.It is described from
The material that heals coats the substrate and the luminescence generated by light structure, and the self-healing material is hydroxylated polyurethane material.By
It include a large amount of hydroxyl in hydroxylated polyurethane material, if breakage, the light conversion occurs in the optical conversion film
The hydrogen bond that film can use in the hydroxyl is repaired, to realize the optical conversion film with self-healing function, is solved
Caused by having determined due to optical conversion film breakage the technical issues of display panel performance impairment.
Detailed description of the invention
It, below will be to needed in embodiment description in order to illustrate more clearly of the technical solution in the application
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the application, for this
For the technical staff of field, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the sectional view of the first embodiment of optical conversion film provided herein.
Fig. 2 is the sectional view of second of embodiment of optical conversion film provided herein.
Fig. 3 is the flow diagram of the preparation method of optical conversion film provided herein.
Fig. 4 is the sectional view of the substrate in the preparation method of optical conversion film provided herein.
Fig. 5 is the infiltration schematic diagram of the substrate in the preparation method of optical conversion film provided herein.
Fig. 6 is the sectional view of the semi-finished product in the preparation method of optical conversion film provided herein.
Fig. 7 is the sectional view of backlight assembly provided herein.
Specific embodiment
Below in conjunction with the attached drawing in the application embodiment, the technical solution in the application is carried out clearly and completely
Description.Obviously, described embodiment is only a part of embodiment of the application, rather than whole embodiments.Base
Embodiment in the application, those skilled in the art are obtained every other without making creative work
Embodiment shall fall in the protection scope of this application.
The application provides a kind of optical conversion film 10 referring to FIG. 1-2,.The optical conversion film 10 includes substrate 11, light
Photoluminescence structure 12 and self-healing structure 13.The optical conversion film 10 is fexible film.
The substrate 11 can be porous structure.The substrate 11 includes several hole 11b.The substrate 11 can be fibre
Tie up plain film, non-woven fabrics or woven cloth etc..The thickness of the substrate 11 can be 1 micron -500 microns.In some embodiments,
The thickness of the substrate 11 can be 5 microns -200 microns, to guarantee that the substrate 11 has translucence, thus described in utilizing
Translucent optical conversion film 10 is made in translucent substrate 11.The substrate 11 is flexible parent metal.
The luminescence generated by light structure 12 is attached to the surface 11a of the substrate 11.If the luminescence generated by light structure 12 includes
Dry photoluminescent particles 121.The photoluminescent particles 121 are fluorescent grain or quantum dot particle.Several photic hairs
Light particle 121 is the photoluminescent particles 121 of at least two different light colors out.In one embodiment, the luminescence generated by light
The excitation line of particle 121 can be blue light.In one embodiment, the transmitting light of the photoluminescent particles 121 can be with
For yellow light, feux rouges, green light etc..The photoluminescent particles 121 can for titan oxide particles, Zinc oxide particles, Zinc Tungstate particle,
The combination of one or more of aluminate pellets, yttrium-aluminium-garnet particle of the activation of rare earth terbium etc.
The self-healing material coats the substrate 11 and the luminescence generated by light structure 12.The self-healing material is hydroxyl
The polyurethane material of change.The structural formula of the self-healing material isWherein, the R isM and n is natural number.For example, the self-healing material isInstitute
Stating R is
In one embodiment, as shown in Figure 1, the surface of the optical conversion film 10 can be curved surface.In other implementations
In example, as shown in Fig. 2, the optical conversion film 10 also can have flat surface,
Referring to Fig. 3, the application provides a kind of preparation method of optical conversion film 10.The described method includes:
101, a substrate 11 is provided.
Referring to Fig. 4, the substrate 11 can be porous structure.The substrate 11 includes several hole 11b.The substrate
11 can be cellophane, non-woven fabrics or woven cloth etc..The thickness of the substrate 11 can be 1 micron -500 microns.One
In a little embodiments, the thickness of the substrate 11 can be 5 microns -200 microns, to guarantee that the substrate 11 has translucence,
To which translucent optical conversion film 10 be made using the translucent substrate 11.
102, a luminescence generated by light precursor solution is provided.
In some embodiments, the luminescence generated by light precursor solution can have photoluminescent particles 121 to be evenly dispersed
Solution.For example, the photoluminescent particles 121 can be titan oxide particles, Zinc oxide particles, Zinc Tungstate particle, rare earth terbium
The combination of one or more of aluminate pellets, yttrium-aluminium-garnet particle of activation etc..The photoluminescent particles 121 are uniformly
Be scattered in inorganic solvent or organic solvent.
In some embodiments, the luminescence generated by light precursor solution can also be photic for that can be generated by chemical reaction
The solution of light-emitting particles 121.For example, the luminescence generated by light precursor solution can be the collosol and gel for including butyl titanate, it is right
The collosol and gel including butyl titanate is heat-treated, after chemical reaction, and the luminescence generated by light precursor solution can be with
Generate titan oxide particles.For another example the luminescence generated by light precursor solution can be by barium carbonate, aluminum nitrate and rare earth nitrades
It is dissolved in the collosol and gel of citric acid solution formation, after chemical reaction, rare earth can be generated in the luminescence generated by light precursor solution
The aluminate pellets of terbium activation.
103, the substrate 11 is infiltrated with the luminescence generated by light precursor solution.
In one embodiment, the luminescence generated by light precursor solution can be coated with, spray, be spun on the substrate 11
On, to infiltrate the substrate 11.Referring to Fig. 5, in one embodiment, the substrate 11 can also be soaked in described photic
In luminous precursor solution, to infiltrate the substrate 11.
In some embodiments, can repeatedly infiltrate or repeatedly coat or impregnate by way of it is described photic to control
Luminous precursor solution can generate enough photoluminescent particles 121.
104, the substrate 11 for being impregnated with the luminescence generated by light precursor solution is heat-treated, a semi-finished product are obtained
20, the semi-finished product 20 include substrate 11 and luminescence generated by light structure 12, and the luminescence generated by light structure 12 is attached to the substrate 11
Surface.
When the luminescence generated by light precursor solution is the evenly dispersed solution for there are photoluminescent particles 121, it is being heat-treated
In the process, the luminescence generated by light precursor solution volatilization, the luminescence generated by light structure 12 made are attached to 11 surface of substrate.
When the luminescence generated by light precursor solution can also generate photoluminescent particles 121 for that can pass through to chemically react
Solution, during heat treatment, the luminescence generated by light precursor solution after chemical reaction generates the luminescence generated by light structure
12, the luminescence generated by light structure 12 is attached to 11 surface of substrate.
Referring to Fig. 6, the luminescence generated by light structure 12 is attached to the surface 11a of the substrate 11.The luminescence generated by light knot
Structure 12 includes several photoluminescent particles 121.The photoluminescent particles 121 are fluorescent grain or quantum dot particle.It is described
Several photoluminescent particles 121 are the photoluminescent particles 121 of at least two different light colors out.In one embodiment, institute
The excitation line for stating photoluminescent particles 121 can be blue light.In one embodiment, the hair of the photoluminescent particles 121
Penetrating light can be yellow light, feux rouges, green light etc..The photoluminescent particles 121 can for titan oxide particles, Zinc oxide particles,
The combination of one or more of aluminate pellets, yttrium-aluminium-garnet particle that Zinc Tungstate particle, rare earth terbium activate etc.
105, a self-healing precursor solution is provided.
In preparing the self-healing precursor solution, protection first is passivated to the first reactant, is carried out again and propylene
The first intermediate product is formed after acid reaction, then, polymerization reaction is carried out to first intermediate product, then removes protecting group
Group, obtains the self-healing material.
In some embodiments, the structural formula of the first reactant isIn described first
Between the structural formula of product beThe R1 be siloxy group functional group, it is described from
Healing material structural formula beWherein, the R isM and n are
Natural number.
In one embodiment, first reactant can be eugenol, and the structural formula of first reactant isThe structural formula of first intermediate product isThe self-healing
The structural formula of material isWherein, the R isM and n is natural number.
106, the semi-finished product 20 are infiltrated with the self-healing precursor solution.
In one embodiment, the self-healing precursor solution can be coated with, spray, be spun on the semi-finished product 20
On, to infiltrate the semi-finished product 20.In one embodiment, the semi-finished product 20 can also be soaked in the self-healing forerunner
In object solution, to infiltrate the semi-finished product 20, to make self-healing precursor solution that the substrate 11 and the light be completely covered
The surface of photoluminescence structure 12 is simultaneously filled in the hole 11b of the substrate 11.
107, the semi-finished product 20 for being impregnated with the self-healing precursor solution are heat-treated, the light is obtained and turns
Film 10 is changed, the self-healing precursor solution includes hydroxylated polyurethane material.
During heat treatment, since temperature raises, so that the solvent in the self-healing precursor solution volatilizees, in turn
So that the self-healing material coats the substrate 11 and the luminescence generated by light structure 12.Since the self-healing material is filled out completely
The hole 11b of the substrate 11 has been filled, to increase considerably the transmitance of the optical conversion film 10, has converted the light
The transmitance of film 10 is greater than 85%.
Referring to Fig. 7, the present invention also provides a kind of backlight assemblies 30.The backlight assembly 30 includes that light guide plate 31 and light turn
Change film 10.The optical conversion film 10 is set to the surface 31a of the light guide plate 31.The optical conversion film 10 is such as preceding institute
It states, details are not described herein.The light guide plate 31 has reflective structure 311 far from the surface 30b of the optical conversion film 10, described
Reflective structure is several grooves 312 for being set to surface of the light guide plate far from the optical conversion film 10.The groove
Reflecting coating 313 can be set in bottom wall.
In some embodiments, the backlight assembly 30 can also include light source 32.The light source 32 is set to described lead
The side of tabula rasa 31.The light that the light source 32 issues initially enters the light guide plate 31, by the reflective of the light guide plate 31
The optical conversion film 10 is reached after the reflection of structure 311, some light is emitted directly through the optical conversion film 10, part
Light excites the luminescence generated by light structure 12 to issue the light of another wavelength.
The application provides the preparation method and backlight assembly of a kind of optical conversion film, optical conversion film.The light conversion is thin
Film includes substrate, luminescence generated by light structure and self-healing structure.The luminescence generated by light structure is attached to the substrate surface.It is described from
The material that heals coats the substrate and the luminescence generated by light structure, and the self-healing material is hydroxylated polyurethane material.By
It include a large amount of hydroxyl in hydroxylated polyurethane material, if breakage, the light conversion occurs in the optical conversion film
The hydrogen bond that film can use in the hydroxyl is repaired, to realize the optical conversion film with self-healing function, is solved
Caused by having determined due to optical conversion film breakage the technical issues of display panel performance impairment.
The application embodiment is provided above and is discussed in detail, principle of the specific case to the application used herein
And embodiment is expounded, the explanation of embodiment of above is merely used to help understand the application.Meanwhile for this field
Technical staff, according to the thought of the application, there will be changes in the specific implementation manner and application range, to sum up institute
It states, the contents of this specification should not be construed as limiting the present application.
Claims (13)
1. a kind of optical conversion film characterized by comprising
Substrate；
Luminescence generated by light structure, the luminescence generated by light structure are attached to the substrate surface；
Self-healing structure, the self-healing material coats the substrate and the luminescence generated by light structure, the self-healing material are
Hydroxylated polyurethane material.
2. optical conversion film as described in claim 1, which is characterized in that the structural formula of the self-healing material isWherein, the R isM and n is natural number.
3. optical conversion film as described in claim 1, which is characterized in that the substrate is porous material, and the substrate includes
Several holes, the luminescence generated by light structure are attached to the surface and intrapore surface of the two sides of the substrate.
4. optical conversion film as claimed in claim 3, which is characterized in that the substrate is cellophane.
5. optical conversion film as claimed in claim 4, which is characterized in that the substrate with a thickness of 1 micron -500 microns.
6. optical conversion film as described in claim 1, which is characterized in that the luminescence generated by light structure includes several luminescence generated by lights
Particle.
7. optical conversion film as claimed in claim 6, which is characterized in that several photoluminescent particles are not at least two not
With the photoluminescent particles of light color out.
8. a kind of preparation method of optical conversion film characterized by comprising
One substrate is provided；
One luminescence generated by light precursor solution is provided；
The substrate is infiltrated with the luminescence generated by light precursor solution；
The substrate for being impregnated with the luminescence generated by light precursor solution is heat-treated, obtains a semi-finished product, described half at
Product include substrate and luminescence generated by light structure, and the luminescence generated by light structure is attached to the substrate surface；
One self-healing precursor solution is provided；
The semi-finished product are infiltrated with the self-healing precursor solution；
The semi-finished product for being impregnated with the self-healing precursor solution are heat-treated, the optical conversion film is obtained.
9. the preparation method of optical conversion film as claimed in claim 8, it is characterised in that: the substrate is porous material, institute
Stating substrate includes several holes.
10. the preparation method of optical conversion film as claimed in claim 8, it is characterised in that: the structure of the self-healing material
Formula isWherein, the R isM and n is natural number.
11. the preparation method of optical conversion film as claimed in claim 10, it is characterised in that: one self-healing forerunner of the offer
Object solution, comprising:
Protection is passivated to the first reactant, carries out forming the first intermediate product after reacting with acrylic acid again, wherein first is anti-
The structural formula for answering object isThe structural formula of first intermediate product isThe R1 is siloxy group functional group；
Polymerization reaction is carried out to first intermediate product, then removes blocking group, obtains the self-healing material.
12. a kind of backlight assembly characterized by comprising
One light guide plate；And
One optical conversion film, the optical conversion film are set to the surface of the light guide plate, and the optical conversion film is such as right
It is required that the described in any item optical conversion films of 1-7.
13. backlight assembly as claimed in claim 12, which is characterized in that table of the light guide plate far from the optical conversion film
Face has reflective structure, and the reflective structure is be set to surface of the light guide plate far from the optical conversion film several recessed
Slot.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811331982.7A CN109608687A (en) | 2018-11-09 | 2018-11-09 | Optical conversion film, the preparation method of optical conversion film and backlight assembly |
| PCT/CN2019/075791 WO2020093621A1 (en) | 2018-11-09 | 2019-02-22 | Light conversion film, preparation method thereof, and backlight assembly |
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| CN201811331982.7A CN109608687A (en) | 2018-11-09 | 2018-11-09 | Optical conversion film, the preparation method of optical conversion film and backlight assembly |
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| WO (1) | WO2020093621A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111621199A (en) * | 2020-06-12 | 2020-09-04 | 深圳市华星光电半导体显示技术有限公司 | Quantum dot printing ink and display terminal |
| WO2021196278A1 (en) * | 2020-03-30 | 2021-10-07 | 深圳市华星光电半导体显示技术有限公司 | Color conversion thin film manufacturing method, color conversion thin film and display panel |
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| CN106537191A (en) * | 2014-07-25 | 2017-03-22 | 可奥熙搜路司有限公司 | Method for forming functional coating layer on optical lens and optical lens with functional coating layer formed thereon. |
| CN106589287A (en) * | 2016-12-05 | 2017-04-26 | 上海大学 | Self-healing polyurethane based on multiple hydrogen bond elements and preparing method thereof |
| CN108240610A (en) * | 2018-03-16 | 2018-07-03 | 张家港康得新光电材料有限公司 | A kind of indigo plant light conversion film and its preparation method and application |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103151412B (en) * | 2013-02-06 | 2016-12-28 | 纳晶科技股份有限公司 | Optical conversion film and application thereof and preparation method |
| CN103745981A (en) * | 2013-12-04 | 2014-04-23 | 广东普加福光电科技有限公司 | Ultraviolet response type rare earth light conversion film and application thereof |
| CN105259699B (en) * | 2015-11-27 | 2018-09-11 | 武汉华星光电技术有限公司 | Liquid crystal display and its display methods |
-
2018
- 2018-11-09 CN CN201811331982.7A patent/CN109608687A/en active Pending
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- 2019-02-22 WO PCT/CN2019/075791 patent/WO2020093621A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106537191A (en) * | 2014-07-25 | 2017-03-22 | 可奥熙搜路司有限公司 | Method for forming functional coating layer on optical lens and optical lens with functional coating layer formed thereon. |
| CN106589287A (en) * | 2016-12-05 | 2017-04-26 | 上海大学 | Self-healing polyurethane based on multiple hydrogen bond elements and preparing method thereof |
| CN108240610A (en) * | 2018-03-16 | 2018-07-03 | 张家港康得新光电材料有限公司 | A kind of indigo plant light conversion film and its preparation method and application |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021196278A1 (en) * | 2020-03-30 | 2021-10-07 | 深圳市华星光电半导体显示技术有限公司 | Color conversion thin film manufacturing method, color conversion thin film and display panel |
| CN111621199A (en) * | 2020-06-12 | 2020-09-04 | 深圳市华星光电半导体显示技术有限公司 | Quantum dot printing ink and display terminal |
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| Publication number | Publication date |
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| WO2020093621A1 (en) | 2020-05-14 |
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Application publication date: 20190412 |