CN107422411A - Compound polaroid and preparation method thereof, display module - Google Patents
Compound polaroid and preparation method thereof, display module Download PDFInfo
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- CN107422411A CN107422411A CN201710884987.1A CN201710884987A CN107422411A CN 107422411 A CN107422411 A CN 107422411A CN 201710884987 A CN201710884987 A CN 201710884987A CN 107422411 A CN107422411 A CN 107422411A
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- layer
- protective layer
- point material
- quanta point
- compound polaroid
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
- G02B5/3041—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/14—Protective coatings, e.g. hard coatings
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Polarising Elements (AREA)
Abstract
The invention discloses a kind of compound polaroid; including substrate layer, adhered layer, release film layer, polarizing function layer, quanta point material layer and protective layer; the release film layer, the adhered layer, the substrate layer, the polarizing function layer, the protective layer stack gradually from bottom to top; the polarizing function layer includes polarization matrix layer and the first inner protective layer, and the quanta point material layer is between the polarization matrix layer and the protective layer.The invention also discloses a kind of preparation method and display module of compound polaroid.Quanta point material is fully integrated therein by the compound polaroid of the present invention, easy to make, and the requirement for encapsulating material is not high, can't substantially increase making and material cost, while and can ensures abundant colour gamut function.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of compound polaroid and preparation method thereof, display module.
Background technology
For current LCD fields, it would be highly desirable to which the subject matter of solution is how to meet market for high colour gamut, height
The demand of the full product of color.
The advantages that quanta point material has luminescent spectrum concentration, and excitation is high, it can be increased substantially using these advantages
The colour gamut of LCD display at present, improves the color restoration capability of LCD display, and presently commercially available quantum dot TV is exactly the material
Preferably embodiment of the material applied to display field.
Existing technology focus primarily upon by luminescence band R (red), G (green), B (indigo plant) scope quantum dot hybrid package
In engineering plastics film or glass tube, quantum dot film corresponding to formation (i.e. QD film) or quantum pipe (i.e. QD tube),
And the position that the structure of formation is placed between backlight and display system, excited with conventional white light backlight, reached abundant color
The purpose in domain, but either QD film or QD tube structures, the use means for quanta point material are more single, simultaneously
Also due to needing such as PET film of excellent optical performance and the protection and encapsulation of small-bore glass tube, it is too high to there is certain cost
And material reliability problem.
The content of the invention
In view of the shortcomings of the prior art, the invention provides a kind of compound polaroid with abundant colour gamut function and
Its preparation method, display module, the cost of display module is reduced on the premise of ensureing to show colour gamut.
In order to realize above-mentioned purpose, present invention employs following technical scheme：
A kind of compound polaroid, including substrate layer, adhered layer, release film layer, polarizing function layer, quanta point material layer and guarantor
Sheath, the release film layer, the adhered layer, the substrate layer, the polarizing function layer, the protective layer are from bottom to top successively
Stacking, the polarizing function layer include polarization matrix layer and the first inner protective layer, and the quanta point material layer is located at the polarisation
Between base layer and the protective layer.
As one of which embodiment, the polarizing function layer includes two layers of first inner protective layer, described in two layers
First inner protective layer is located at the not homonymy of the polarization matrix layer respectively.
As one of which embodiment, the quanta point material layer is attached at the polarization matrix layer upper surface.
As one of which embodiment, the quanta point material layer is in described the first of the protective layer and upper strata
Between protective layer.
As one of which embodiment, described compound polaroid also includes the second inner protective layer, the quantum dot material
The bed of material is located at the first inner protective layer upper surface on upper strata, and second inner protective layer is located at the quanta point material layer and institute
State between protective layer.
As one of which embodiment, the protective layer is diffusion sheet, prismatic lens, dual brightness enhancement film, micro-
One or more combinations of mirror layer etc..
As one of which embodiment, described compound polaroid also includes Additional protective layers, the Additional protective layers
It is covered in the protective layer upper surface.
Another object of the present invention is to provide a kind of preparation method of compound polaroid, including：
One substrate layer is provided；
Adhered layer, release film layer are sequentially formed from bottom to top in the substrate layer first surface；
The substrate layer is overturn, in second surface layered polarization functional layer, quanta point material layer and the guarantor of the substrate layer
Sheath, wherein, the protective layer is formed above the polarizing function layer and the quanta point material layer, the polarizing function layer
Including polarization matrix layer and the first inner protective layer, the quanta point material layer is formed in the polarization matrix layer upper surface or described
Polarizing function layer upper surface.
As one of which embodiment, the preparation method of described compound polaroid is additionally included in protective layer upper surface shape
Into Additional protective layers.
A further object of the present invention is to provide a kind of display module, including described compound polaroid and display panel,
The compound polaroid fits in the incidence surface of the display panel.
Quanta point material is fully integrated therein by the compound polaroid of the present invention, easy to make, and is wanted for encapsulating material
Ask not high, can't substantially increase making and material cost, while and can ensures abundant colour gamut function.
Brief description of the drawings
Fig. 1 is the structural representation of the compound polaroid of the embodiment of the present invention 1；
Fig. 2 is the structural representation of the display module of the embodiment of the present invention 1；
Fig. 3 is the preparation method schematic diagram of the compound polaroid of the embodiment of the present invention 1；
Fig. 4 is the structural representation of the compound polaroid of the embodiment of the present invention 2；
Fig. 5 is the structural representation of the compound polaroid of the embodiment of the present invention 3.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and do not have to
It is of the invention in limiting.
The compound polaroid of the present invention includes substrate layer, adhered layer, release film layer, polarizing function layer, quanta point material layer
And protective layer, release film layer, adhered layer, substrate layer, polarizing function layer, protective layer stack gradually from bottom to top, polarizing function layer
Including polarization matrix layer and the first inner protective layer, quanta point material layer is between polarization matrix layer and protective layer.Substrate layer is made
For the making substrate of compound polaroid, release film layer is formed on substrate layer by adhered layer, when compound polaroid is in use, only
Release film layer, which need to be peeled off, can paste it into the incident side place face of display module, be used as down polaroid.Polarizing function
Layer determines polarizing properties, the transmitance of polaroid, while is also the major part for influenceing polaroid tone and optical durability.
Carrier of the quanta point material layer as quanta point material, the preferably protective layer used structure inside the compound polaroid of protection, the guarantor
Sheath is the blooming piece with certain optical function, is illustrated below by taking several embodiments as an example.
Embodiment 1
Refering to Fig. 1, the compound polaroid of the present embodiment mainly includes substrate layer 1, adhered layer 2, release film layer 3, polarisation work(
Ergosphere 4, quanta point material layer 5 and protective layer 6, release film layer 3, adhered layer 2, substrate layer 1, polarizing function layer 4, protective layer 6 are certainly
Stacked gradually on down, polarizing function layer 4 includes polarization matrix layer 4a and the first inner protective layer 4b, and quanta point material layer 5 is located at
Between polarization matrix layer 4a and protective layer 6.
The polarizing function layer 4 of the present embodiment includes two layers first inner protective layers 4b, two layers of first inner protective layer 4b and distinguishes position
In polarization matrix layer 4a not homonymy, i.e. the first inner protective layer 4b of lower floor is produced on substrate layer 1, and quanta point material layer 5 pastes
Polarization matrix layer 4a upper surfaces are invested, the first inner protective layer 4b on upper strata fits in the upper surface of quanta point material layer 5, protective layer 6
It is formed at the first inner protective layer 4b upper surfaces on upper strata.
Quanta point material layer 5 is (poly- preferably by quantum dot and PVA as the architecture for enriching compound polaroid function
Vinyl alcohol) glue adhesive or PSA (pressure sensitive adhesive) adhesive combine, formed by the mode such as coating on polarization matrix layer 4a.
In terms of selection, adhered layer 2 is PSA, and polarization matrix layer 4a is PVA (polyvinyl alcohol), and the first inner protective layer 4b is TAC (three vinegar
Acid cellulose), polarization matrix layer 4a is optically active, but PVA is easily hydrolyzed, in order to protect polarization matrix layer 4a physics special
Property, therefore respectively form one layer with high light transmission rate, water-tolerant in polarization matrix layer 4a both sides up and down and have certain machinery
The TAC film of intensity is protected, and on the one hand protection polarization matrix layer 4a, another aspect can also prevent partially the first inner protective layer 4b
Light base layer 4a retraction.Here, TAC can also by PET (poly terephthalic acid class plastics), COP (cyclic olefine copolymer) with
And other cellulose family membrane materials etc. substitute, the compound polaroid gross thickness is less than 500um.
Here, protective layer 6 be diffusion sheet (Diffuser), prismatic lens (Prism), dual brightness enhancement film (DBEF),
One or more combinations of microlens layer (Micro-Lens) etc., diffusion sheet can cause backlight light to enter display panel 10
The preceding brightness having evenly, prismatic lens can make it that facing luminous intensity is lifted, and the one side of protective layer 6 can optimize light
Incident effect, polarizing function layer 4 on the other hand can also be protected without damage, outermost diaphragm can be saved.
Certainly, compound polaroid outermost can also reservation protection film, i.e. Additional protective layers 8, the Additional protective layers 8 cover
In the upper surface of protective layer 6, the loss prevention diaphragm as compound polaroid.
As shown in Fig. 2 when compound polaroid is applied in display module, used as down polaroid, when peeling off outermost layer
Release film layer 3, you can the incidence surface of display panel 10 is pasted by adhered layer 2, and the exiting surface of display panel 10 glues again
Upper polaroid is posted, the light that backlight is sent produces the incident ray with preferable colour gamut function after compound polaroid,
The light that display panel 10 projects forms display picture after upper polaroid polarization manipulation.
As shown in figure 3, the invention provides a kind of preparation method of compound polaroid, including：
S1, provide a substrate layer 1；
S2, in the first surface of substrate layer 1 adhered layer 2, release film layer 3 are sequentially formed from bottom to top；
S3, upset substrate layer 1, in the second surface layered polarization functional layer 4 of substrate layer 1, quanta point material layer 5 and protection
Layer 6, wherein, protective layer 6 is formed at polarizing function layer 4 and the top of quanta point material layer 5, and polarizing function layer 4 includes polarization matrix
Layer 4a and the first inner protective layer 4b, quanta point material layer 5 are formed in polarization matrix layer 4a upper surfaces or the upper table of polarizing function layer 4
Face.
I.e. overturn substrate layer 1 after, successively substrate layer 1 second surface stacking make lower floor the first inner protective layer 4b,
Polarization matrix layer 4a, quanta point material layer 5, the first inner protective layer 4b on upper strata, finally just make protective layer 6.It is compound when retaining
During the outmost Additional protective layers 8 of polaroid, after protective layer 6 has been made, it is also necessary to form auxiliary in the upper surface of protective layer 6 and protect
Sheath 8.
Embodiment 2
As shown in figure 4, different from embodiment 1, two layers of first inner protective layer 4b of the present embodiment press from both sides polarization matrix layer 4a
It is located therein, quanta point material layer 5 is formed between protective layer 6 and the first inner protective layer 4b on upper strata.
After substrate layer 1 is overturn, successively substrate layer 1 second surface stacking make lower floor the first inner protective layer 4b,
Polarization matrix layer 4a, the first inner protective layer 4b on upper strata, then make quanta point material layer 5, protective layer 6.
Embodiment 3
As shown in figure 5, different from embodiment 2, the compound polaroid of the present embodiment also includes the second inner protective layer 7, quantum
Point material layer 5 is also provided at the first inner protective layer 4b upper surfaces on upper strata, but the second inner protective layer 7 is located at quanta point material layer 5
Between protective layer 6, the second inner protective layer 7 is identical with the first inner protective layer 4b material, can be TAC, PET, COP or other
Cellulose family membrane material, it can play a part of keeping the flatness of quantum dot material layer 5.
In summary, quanta point material is fully integrated therein by compound polaroid of the invention, easy to make, and for encapsulation
The requirement of material is not high, can't substantially increase making and material cost, while and can ensures abundant colour gamut function, together
When, compound polaroid has good flatness and relatively thin thickness.
Described above is only the embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of the application principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (10)
1. a kind of compound polaroid, it is characterised in that including substrate layer (1), adhered layer (2), release film layer (3), polarizing function
Layer (4), quanta point material layer (5) and protective layer (6), the release film layer (3), the adhered layer (2), the substrate layer (1),
The polarizing function layer (4), the protective layer (6) stack gradually from bottom to top, and the polarizing function layer (4) includes polarization matrix
Layer (4a) and the first inner protective layer (4b), the quanta point material layer (5) are located at the polarization matrix layer (4a) and the protection
Between layer (6).
2. compound polaroid according to claim 1, it is characterised in that the polarizing function layer (4) is included described in two layers
First inner protective layer (4b), two layers of first inner protective layer (4b) are located at the not homonymy of the polarization matrix layer (4a) respectively.
3. compound polaroid according to claim 2, it is characterised in that the quanta point material layer (5) is attached at described
Polarization matrix layer (4a) upper surface.
4. compound polaroid according to claim 2, it is characterised in that the quanta point material layer (5) is located at the guarantor
Between sheath (6) and first inner protective layer (4b) on upper strata.
5. compound polaroid according to claim 1, it is characterised in that also including the second inner protective layer (7), the quantum
Point material layer (5) is located at the first inner protective layer (4b) upper surface on upper strata, and second inner protective layer (7) is located at the amount
Between son point material layer (5) and the protective layer (6).
6. according to any described compound polaroids of claim 1-5, it is characterised in that the protective layer (6) is diffusion sheet, rib
One or more combinations of eyeglass, dual brightness enhancement film, microlens layer etc..
7. compound polaroid according to claim 6, it is characterised in that also protected including Additional protective layers (8), the auxiliary
Sheath (8) is covered in the protective layer (6) upper surface.
A kind of 8. preparation method of compound polaroid, it is characterised in that including：
One substrate layer (1) is provided；
Adhered layer (2), release film layer (3) are sequentially formed from bottom to top in the substrate layer (1) first surface；
The substrate layer (1) is overturn, second surface layered polarization functional layer (4), quanta point material layer in the substrate layer (1)
(5) and protective layer (6), wherein, the protective layer (6) is formed at the polarizing function layer (4) and the quanta point material layer (5)
Top, the polarizing function layer (4) include polarization matrix layer (4a) and the first inner protective layer (4b), the quanta point material layer
(5) formed in polarization matrix layer (4a) upper surface or the polarizing function layer (4) upper surface.
9. the preparation method of compound polaroid according to claim 6, it is characterised in that be additionally included on protective layer (6)
Surface forms Additional protective layers (8).
10. a kind of display module, it is characterised in that including claim 1-7 any described compound polaroid and display panel
(10), the compound polaroid fits in the incidence surface of the display panel (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710884987.1A CN107422411A (en) | 2017-09-26 | 2017-09-26 | Compound polaroid and preparation method thereof, display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710884987.1A CN107422411A (en) | 2017-09-26 | 2017-09-26 | Compound polaroid and preparation method thereof, display module |
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| CN107422411A true CN107422411A (en) | 2017-12-01 |
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| CN201710884987.1A Pending CN107422411A (en) | 2017-09-26 | 2017-09-26 | Compound polaroid and preparation method thereof, display module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020177787A3 (en) * | 2019-09-27 | 2020-10-22 | 南京贝迪电子有限公司 | Quantum dot composite brightness enhancement film and preparation method therefor |
| CN114675366A (en) * | 2022-03-08 | 2022-06-28 | 厦门天马显示科技有限公司 | Polarizer and display device |
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| WO2020177787A3 (en) * | 2019-09-27 | 2020-10-22 | 南京贝迪电子有限公司 | Quantum dot composite brightness enhancement film and preparation method therefor |
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Application publication date: 20171201 |