CN105655501B - Comprehensive function film, its preparation method and OLED display panel - Google Patents

Comprehensive function film, its preparation method and OLED display panel Download PDF

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CN105655501B
CN105655501B CN201610156816.2A CN201610156816A CN105655501B CN 105655501 B CN105655501 B CN 105655501B CN 201610156816 A CN201610156816 A CN 201610156816A CN 105655501 B CN105655501 B CN 105655501B
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layer
function
line polarisation
lamella
touch controllable
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CN105655501A (en
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李硕
刘雪洲
于甄
柯荣锋
蒋雷
谈俊
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Zhangjiagang Kangdexin Optronics Material Co Ltd
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Zhangjiagang Kangdexin Optronics Material Co Ltd
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    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H10K50/84—Passivation; Containers; Encapsulations
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H10K50/84—Passivation; Containers; Encapsulations
    • H10K50/841—Self-supporting sealing arrangements
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H10K50/84—Passivation; Containers; Encapsulations
    • H10K50/844—Encapsulations
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H10K50/86—Arrangements for improving contrast, e.g. preventing reflection of ambient light
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
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  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
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Abstract

The invention provides a kind of comprehensive function film, its preparation method and there is its OLED display panel.The comprehensive function film includes：Line polarisation piece, including line polarisation function lamella and contact are arranged on the hardening protective layer on the surface of line polarisation function lamella side, harden the hardening strength of protective layer more than pencil hardness 5H；Quarter wave plate, it is arranged on the surface of remote hardening protective layer of line polarisation function lamella；Touch control film group with barriers function, contact are arranged on the surface of remote line polarisation function lamella of quarter wave plate.The pencil hardness of the hardening protective layer of line polarisation piece can be used as protection cap in more than 5H, both eliminated glass cover of the prior art and the thickness of OLED display panel is reduced, and realized flexible package using line polarisation piece.By water oxygen barriers function, touch controllable function and polarizing function integration, so as to eliminate adhesion layer, the thickness of encapsulating structure is reduced, simplifies technological process, ensure that finished product yield.

Description

Comprehensive function film, its preparation method and OLED display panel
Technical field
The present invention relates to field of display devices, in particular to a kind of comprehensive function film, its preparation method and has it OLED display panel.
Background technology
OLED is considered as most promising Display Technique of future generation, and flexible OLED devices are more considered as then The development trend that OLED is shown.Due to very sensitive with oxygen to steam, if the organic material exposure used in OLED It is easy for being oxidized in external environment condition or crystallizes, so as to has a strong impact on the performance of OLED.Therefore, it is necessary to OLED Device is effectively encapsulated, and OLED each functional layer is not contacted the compositions such as steam in air, oxygen.
OLED on the market shows that the mode that product is encapsulated using glass cover prevents water oxygen from corroding at present, and packaging effect can To meet to require, but bending or even bending display can not be realized.Meanwhile to eliminate the influence of ambient light, improving contrast, OLED Display also uses the surface that rotatory polarization piece is attached to OLED, along with touch control film group, causes the integral thickness for shielding body It is larger, it is impossible to highlight the slim display of OLED self-luminous and can the advantage that uses of flexible bending, such as due to rotatory polarization piece, glass seal Lid is stacked with touch control film group, makes technological process numerous and diverse, and can cause center of the OLED not in display structure, Cause flexible folding s tress larger, and then influence to bend flexible OLED effect and life-span.In addition, using viscous between above layers Attached layer is bonded, and is needed to carry out accurate contraposition during bonding every time, is otherwise easily brought contraposition deviation, cause under finished product yield Drop.
The content of the invention
It is a primary object of the present invention to provide a kind of comprehensive function film, its preparation method and have its OLED display surfaces Plate, to solve, the rotatory polarization piece of OLED display panel, water oxygen barrier layer, touch control layer and protection cap are provided separately in the prior art The problem of causing its technological process numerous and diverse low with yield.
To achieve these goals, according to an aspect of the invention, there is provided a kind of comprehensive function film, including：Line is inclined Mating plate, including line polarisation function lamella and contact are arranged on the hardening protective layer on the surface of line polarisation function lamella side, hardening The hardening strength of protective layer is more than pencil hardness 5H；Quarter wave plate, it is arranged on the remote hardening protective layer of line polarisation function lamella Surface on；Touch control film group with barriers function, contact are arranged on the surface of the remote line polarisation function lamella of quarter wave plate On.
Further, the thickness of above-mentioned hardening protective layer is 1~10 μm, and the material for being preferably formed as hardening protective layer is polyester Resinoid, more preferably urethane acrylate or polyester acrylate.
Further, above-mentioned touch control film group includes：Pretreatment layer, contact are arranged on the remote line polarisation function of quarter wave plate On the surface of lamella；Water oxygen barrier layer, contact are arranged on the surface of remote quarter wave plate of pretreatment layer；Protective layer, contact are set Put on the surface of the remote pretreatment layer of water oxygen barrier layer；First touch controllable function layer, contact are arranged on the remote water of protective layer On the surface of oxygen barrier layer.
Further, above-mentioned touch control film group also includes：Flatness layer, contact are arranged on the remote water oxygen barrier layer of protective layer On surface, and cover the first touch controllable function layer；And the second touch controllable function layer, contact are arranged on the remote protective layer of flatness layer On surface.
Further, above-mentioned touch control film group includes：First touch controllable function layer, the remote line that contact is arranged on quarter wave plate are inclined On the surface of light function lamella；Pretreatment layer, contact are arranged on the surface of remote line polarisation function lamella of quarter wave plate, and Cover the first touch controllable function layer；Water oxygen barrier layer, contact are arranged on the surface of remote line polarisation function lamella of pretreatment layer.
Further, above-mentioned touch control film group also includes：Flatness layer, contact are arranged on the remote pretreatment layer of water oxygen barrier layer Surface on；And the second touch controllable function layer, contact are arranged on the surface of remote water oxygen barrier layer of flatness layer.
Further, the material for forming above-mentioned pretreatment layer is SiNx, SiOx, HMDSO or polyester, preferred pretreatment layer Thickness is 1~3 μm；The material for being preferably formed as protective layer is SiNX、SiOX, HMDSO or polyester, the thickness of further preferred protective layer Spend that for 1~3 μm, to be preferably formed as the material of water oxygen barrier layer be Al2O3、TiO2、SiN、SiO2, HMDSO or polyester, it is further excellent The thickness for selecting water oxygen barrier layer is 10nm~5 μm.
Further, the material for forming above-mentioned first touch controllable function layer and the second touch controllable function layer is each independently selected from Any one in ITO, metal grill, Nano Silver, graphene and CNT, the thickness of preferably the first touch controllable function layer is 10nm~1 μm, the preferably thickness of the second touch controllable function layer are 10nm~1 μm；The material for being preferably formed as flatness layer is organic resin Material, the thickness of further preferred flatness layer is 5~50 μm.
Further, above-mentioned quarter wave plate is bonded on line polarisation function lamella by the first adhesion layer.
Further, above-mentioned comprehensive function film also includes the second protective layer, and the second protective layer is arranged on the remote of touch control film group From on the surface of quarter wave plate.
To achieve these goals, according to another aspect of the present invention, there is provided a kind of above-mentioned comprehensive function film Preparation method, the preparation method include：Step S1, makes the line polarisation piece of comprehensive function film, and line polarisation piece includes line polarisation work( Energy lamella and contact are arranged on the hardening protective layer on the surface of line polarisation function lamella side, and the hardening strength for hardening protective layer exists More than pencil hardness 5H；Step S2, set on a side surface of the quarter wave plate of comprehensive function film with water oxygen barriers function Touch control film group；Step S3, the quarter wave plate with touch control film group is arranged on to the remote hardening protective layer of line polarisation function lamella On surface, and touch control film group is set away from line polarisation function lamella.
Further, the step of line polarisation piece of above-mentioned making comprehensive function film includes：The one of online polarizing function lamella Polyester resin material is set by vacuum coating or coating method on side surface, forms hardening protective layer.
Further, above-mentioned steps S2 includes：Step S21, in quarter wave plate by the way of CVD, PVD, iCVD or coating A side surface on form pretreatment layer；Step S22, water oxygen is set to obstruct on the surface of the remote quarter wave plate of pretreatment layer Material, form water oxygen barrier layer；Step S23, formed and protected on water oxygen barrier layer by the way of CVD, PVD, iCVD or coating Sheath；Step S24, the first touch controllable function material is set on the protection layer；Step S25, figure is carried out to the first touch controllable function material Shapeization processing, obtains the first touch controllable function layer；Preferably, step S26, on the protection layer by the way of CVD, iCVD or coating Form the flatness layer of the first touch controllable function layer of covering；Preferably, step S27, the second touch controllable function material is set on flatness layer； And preferably, step S28, processing is patterned to the second touch controllable function material, obtains the second touch controllable function layer.
Further, above-mentioned steps S2 includes：Step S21 ', the first touch-control work(is set on a side surface of quarter wave plate Can material；Step S22 ', processing is patterned to the first touch controllable function material, obtains the first touch controllable function layer；Step S23 ', The pretreatment layer of the first touch controllable function layer of covering is formed on a side surface of quarter wave plate；Step S24 ', sets on pretreatment layer Water oxygen barrier material is put, forms water oxygen barrier layer；Preferably, step S25 ', CVD, iCVD or painting are used on water oxygen barrier layer The mode of cloth forms flatness layer；Preferably, step S26 ', the second touch controllable function material is set on flatness layer；And preferably, Step S27 ', processing is patterned to the second touch controllable function material, obtains the second touch controllable function layer.
Further, above-mentioned water oxygen barrier material is set by the way of CVD, PVD, iCVD or ALD.
Further, above-mentioned touch controllable function material is configured by the way of sputtering, coating or printing, and preferably vacuum is splashed Penetrate.
Further, above-mentioned preparation method uses the first adhesion layer by the quarter wave plate with touch control film group and line polarisation work( Can lamella bonding.
According to a further aspect of the invention, there is provided a kind of OLED display panel, including OLED components and protection structure, The protection structure is above-mentioned comprehensive function film, and line polarisation piece is set away from OLED components.
Further, above-mentioned OLED components include：Flexible substrate, there is first surface and second surface；Water oxygen Obstruct membrane, It is bonded on the first surface of flexible substrate；OLED, it is arranged on the second surface of flexible substrate；OLED protective layers, if Put on the second surface of flexible substrate, and cover OLED setting, comprehensive function film is bonded in by the second adhesion layer On OLED protective layers.
Apply the technical scheme of the present invention, the pencil hardness of the hardening protective layer of line polarisation piece, therefore can be with more than 5H Protection cap (cover lens) as encapsulation.Comprehensive function film with said structure, using line polarisation piece as protection cap, Both the thickness for causing OLED display panel as the glass cover that protection cap uses in the prior art had been eliminated to reduce, and line polarisation Piece sheet realizes using it flexible package to OLED display panel as flexible structure.Further, there will be barrier The touch control film group contact of function is arranged on quarter wave plate, and water oxygen barriers function, touch controllable function and polarizing function is integrated, from And eliminate the adhesion layer of prior art, reduce the thickness of encapsulating structure, and only need when making OLED display panel by The comprehensive function film is arranged on OLED components, is simplified technological process, be ensure that finished product yield.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing a further understanding of the present invention, and of the invention shows Meaning property embodiment and its illustrate be used for explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows the structural representation of the comprehensive function film provided according to a kind of exemplary embodiment of the present invention；
Fig. 2 shows the structural representation of the comprehensive function film provided according to a kind of preferred embodiment of the present invention；
Fig. 3 shows the structural representation of the comprehensive function film provided according to a kind of preferred embodiment of the present invention；
Fig. 4 shows the structural representation of the comprehensive function film provided according to a kind of preferred embodiment of the present invention；
Fig. 5 shows the structural representation of the comprehensive function film provided according to a kind of preferred embodiment of the present invention；And
Fig. 6 shows the structural representation of the OLED display panel provided according to another exemplary embodiment of the invention.
Wherein, above-mentioned accompanying drawing marks including the following drawings：
1st, line polarisation piece；11st, line polarisation function lamella；12nd, protective layer is hardened；2nd, the first adhesion layer；3rd, quarter wave plate；4、 Touch control film group；41st, pretreatment layer；42nd, water oxygen barrier layer；43rd, protective layer；44th, the first touch controllable function layer；45th, flatness layer；46、 Second touch controllable function layer；100th, OLED components；200th, protection structure；101st, flexible substrate；102nd, water oxygen Obstruct membrane；103、OLED Device；104th, OLED protective layers；300th, the second adhesion layer.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As described in background technology, existing rotatory polarization piece, water oxygen barrier layer, touch control layer and protection cap are provided separately, Need successively to be bonded when making OLED display panel, cause cumbersome and yield is relatively low, in order to solve the above problems, at this Apply in a kind of typical embodiment, there is provided a kind of comprehensive function film, as shown in figure 1, the comprehensive function film is inclined including line Mating plate 1, quarter wave plate 3 and the touch control film group 4 with barriers function, line polarisation piece 1 includes line polarisation function lamella 11 and contact is set Put the hardening protective layer 12 on the online side surface of polarizing function lamella 11 1, the pencil hardness of the hardening protective layer 12 5H with On；Quarter wave plate 3 is arranged on the surface of remote hardening protective layer 12 of line polarisation function lamella 11；The contact of touch control film group 4 is set On the surface of the remote line polarisation function lamella 11 of quarter wave plate 3.
Because the pencil hardness for hardening protective layer of line polarisation piece 1 is in more than 5H, therefore can be as the protection of encapsulation Cover (cover lens).Comprehensive function film with said structure, using line polarisation piece 1 as protection cap, existing skill was both eliminated The thickness for causing OLED display panel as the glass cover that protection cap uses in art reduces, and line polarisation piece 1 is as flexibility Structure, therefore realize using it flexible package to OLED display panel.Further, by the touch control film with barriers function The contact of group 4 is arranged on quarter wave plate 3, existing so as to eliminate by water oxygen barriers function, touch controllable function and polarizing function integration There is the adhesion layer of technology, reduce the thickness of encapsulating structure, and only need to be by the comprehensive function when making OLED display panel Film is arranged on OLED components, simplifies technological process, ensure that finished product yield.
Further, in order to provide service life longer protection cap, the thickness for preferably hardening protective layer 12 is 1~10 μ m.The material that the application is preferably formed as hardening functional layer is polyester resin, preferably urethane acrylate or polyester acrylic Ester.
In order that the comprehensive function film of the application has preferable water oxygen barriers function, in a kind of preferable implementation of the application In example, as shown in Fig. 2 above-mentioned touch control film group 4 includes pretreatment layer 41, water oxygen barrier layer 42, the touch-control work(of protective layer 43 and first Ergosphere 44, as shown in figure 1, the contact of pretreatment layer 41 is arranged on the surface of remote line polarisation function lamella 11 of quarter wave plate 3； The contact of water oxygen barrier layer 42 is arranged on the surface of remote quarter wave plate 3 of pretreatment layer 41；The contact of protective layer 43 is arranged on water oxygen On the surface of the remote pretreatment layer 41 of barrier layer 42；First touch controllable function layer 44 contacts the remote water oxygen for being arranged on protective layer 43 On the surface of barrier layer 42.Pretreatment layer 41 be arranged to water oxygen barrier layer 42 provide it is smooth, possess affinity and comparatively dense Contact surface, protective layer 43 can avoid during the first touch controllable function layer 44 is made water oxygen barrier layer 42 destroyed, So as to optimize the water oxygen barriering effect of water oxygen barrier layer 42.And pretreatment layer 41 and protective layer 43 can also play it is certain Water oxygen barriers function, therefore further improve the water oxygen barriering effect to OLED.The touch control film group 4 of the application can wrap Two layers of touch controllable function layer is included, preferably as shown in figure 3, above-mentioned touch control film group 4 also includes the touch controllable function layer 46 of flatness layer 45 and second, The contact of flatness layer 45 is arranged on the surface of remote water oxygen barrier layer 42 of protective layer 43, and covers the first touch controllable function layer 44； The contact of second touch controllable function layer 46 is arranged on the surface of remote protective layer 43 of flatness layer 45.
In order that the comprehensive function film of the application has preferable water oxygen barriers function, it is another preferable real in the application Apply in example, as shown in figure 4, above-mentioned touch control film group 4 includes the first touch controllable function layer 44, pretreatment layer 41 and water oxygen barrier layer 42, The contact of first touch controllable function layer 44 is arranged on the surface of remote line polarisation function lamella 11 of quarter wave plate 3；Pretreatment layer 41 connects Touch and be arranged on the surface of remote line polarisation function lamella 11 of quarter wave plate 3, and cover the first touch controllable function layer 44；Water oxygen hinders The contact of interlayer 42 is arranged on the surface of remote line polarisation function lamella 11 of pretreatment layer 41.Equally, pretreatment layer 41 is set Be set to water oxygen barrier layer 42 provide it is smooth, possess affinity and comparatively dense contact surface, and pretreatment layer 41 can also rise To certain water oxygen barriers function, therefore further improve the water oxygen barriering effect to OLED.
The touch control film group 4 of the application can include two layers of touch controllable function layer, preferably as shown in figure 5, above-mentioned touch control film group 4 is gone back Including the touch controllable function layer 46 of flatness layer 45 and second, flatness layer 45 contacts the remote pretreatment layer 41 for being arranged on water oxygen barrier layer 42 Surface on；Second touch controllable function layer 46, contact are arranged on the surface of remote water oxygen barrier layer 42 of flatness layer 45.Flatness layer 45 be not only that the second touch controllable function layer 46 provides flat surfaces, and can avoid making the mistake of the second touch controllable function layer 46 Cheng Zhongshui oxygen barrier layers 42 are destroyed, so as to optimize the water oxygen barriering effect of water oxygen barrier layer 42.
The effect of the application pretreatment layer 41 be for the water oxygen barrier layer 42 being subsequently formed provide it is smooth, possess affinity and Comparatively dense surface, therefore every material that can be functioned as described above and original function will not be had a negative impact For forming pretreatment layer 41, the material for being preferably formed as pretreatment layer 41 is SiNx, SiOx, HMDSO or polyester.Ensureing to play On the basis of above-mentioned effect, in order to further reduce the thickness of the comprehensive function film, the thickness of preferred pretreatment layer 41 is 1~3 μ m。
The conventional application material of this area can be used by forming the material of the water oxygen barrier layer 42 of the application, be preferably formed as water The material of oxygen barrier layer 42 is Al2O3、TiO2、SiN、SiO2, HMDSO or polyester.Similarly, water oxygen barriers function effect is being ensured On the premise of fruit, in order to further reduce the thickness of comprehensive function film, the preferably thickness of water oxygen barrier layer 42 is 10nm~5 μm.
The material for forming the first touch controllable function layer 44 and the second touch controllable function layer 46 is each independently selected from ITO, wire netting Any one in lattice, Nano Silver, graphene and CNT.Similarly, on the premise of touch-control effect is ensured, in order to enter one Step reduces the thickness of touch control film group 4, and the preferably thickness of the first touch controllable function layer 44 is 10nm~1 μm, the second touch controllable function layer 46 Thickness be 10nm~1 μm.
The effect of the application protective layer 43 is in order to protect water oxygen barrier layer 42, as long as therefore can realize the protective effect And the material that will not be had a negative impact to original function as the raw material of protective layer 43, can be preferably formed as the material of protective layer 43 Expect for SiNX、SiOX, HMDSO or polyester.Similarly, it is multi-functional in order to further reduce this on the basis of protecting effect is ensured The thickness of film, the preferably thickness of protective layer 43 are 1~3 μm.Similarly, the effect of the flatness layer 45 of the application is for the second touch-control Functional layer 46 provides flat surfaces, as long as therefore can realize the function and the material that will not be had a negative impact to original function The material that as the raw material of flatness layer 45, can be preferably formed as flatness layer 45 is organic resin material, and further preferably this is flat The thickness of layer 45 is 5~50 μm.
In manufacturing process, in order to protect quarter wave plate 3, on the surface of the remote touch control film group 4 of preferably above-mentioned quarter wave plate 3 It is provided with the first protective layer.
In a kind of preferred embodiment of the application, above-mentioned quarter wave plate 3 is bonded in line polarisation work(by the first adhesion layer 2 On energy lamella 11.First adhesion layer 2 is made using the conventional polyacrylic adhesion material in this area.
In addition, the damage in order to avoid the application comprehensive function film in storage, transport or installation, preferably comprehensive function film Also include the second protective layer, the second protective layer is arranged on the surface of remote quarter wave plate 3 of touch control film group 4.After assembling should Second protective layer can remove.Above-mentioned the first protective layer and the second protective layer is generally the materials such as PET or PE.After assembling The diaphragm can remove.
In another typical embodiment of the application, there is provided a kind of preparation method of above-mentioned comprehensive function film, should Preparation method includes：Step S1, makes the line polarisation piece 1 of comprehensive function film, and the line polarisation piece 1 includes line polarisation function lamella 11 The hardening protective layer 12 being arranged on contact on the side surface of line polarisation function lamella 11 1, the hardening strength of hardening protective layer 12 exist More than pencil hardness 5H；Step S2, being set on a side surface of the quarter wave plate 3 of comprehensive function film has water oxygen barriers function Touch control film group 4；Quarter wave plate 3 with touch control film group 4 is arranged on to the remote hardening protective layer 12 of line polarisation function lamella 11 Surface on, and touch control film group 4 is set away from line polarisation function lamella 11.
Above-mentioned preparation method first enters the defencive function of rotatory polarization function, water oxygen barriers function, touch controllable function and protection cap Row combination, realizes three kinds of function integrations, and then can be set directly at when making OLED display panel combined On the touch control film of good OLED display panel, the Making programme of OLED display panel is simplified, and because attaching process is reduced, from And it ensure that product yield.
As it was previously stated, in order to ensure that the line polarisation effect of line polarisation piece 1 is not influenceed by hardening protective layer 12, it is preferably above-mentioned The step of line polarisation piece 1 for making comprehensive function film, which is included on a side surface of line polarisation function lamella 11, passes through vacuum coating Or coating method sets polyester resin material, hardening protective layer 12 is formed.Set online on polarizing function lamella 11 using independent The mode of hardening protective layer 12 is put, both ensure that line polarisation effect, and make it that the hardness of hardening protective layer 12 is adjustable, is realized The flexibility of properties of product.
When above-mentioned comprehensive function film has structure shown in Fig. 2 or Fig. 3, preferably above-mentioned steps S2 includes：Step S21, is adopted Pretreatment layer 41 is formed on a side surface of quarter wave plate 3 with CVD, PVD, iCVD or the mode of coating；Step S22, locating in advance Manage and water oxygen barrier material is set on the surface of the remote quarter wave plate 3 of layer 41, form water oxygen barrier layer 42；Step S23, use CVD, PVD, iCVD or the mode of coating form protective layer 43 on water oxygen barrier layer 42；Step S24, set on protective layer 43 First touch controllable function material；Step S25, processing is patterned to the first touch controllable function material, obtains the first touch controllable function layer 44；Preferably, step S26, the first touch controllable function layer of covering is formed by the way of CVD, iCVD or coating on protective layer 43 44 flatness layer 45；Preferably, step S27, the second touch controllable function material is set on flatness layer 45；And preferably, step S28, processing is patterned to the second touch controllable function material, obtains the second touch controllable function layer 46.
When above-mentioned comprehensive function film has structure shown in Fig. 4 or Fig. 5, above-mentioned steps S2 includes：Step S21 ', 1/4 First touch controllable function material is set on one side surface of wave plate 3；Step S22 ', place is patterned to the first touch controllable function material Reason, obtains the first touch controllable function layer 44；Step S23 ', the first touch controllable function layer of covering is formed on a side surface of quarter wave plate 3 44 pretreatment layer 41；Step S24 ', water oxygen barrier material is set on pretreatment layer 41, forms water oxygen barrier layer 42；It is preferred that Ground, step S25 ', flatness layer 45 is formed by the way of CVD, iCVD or coating on water oxygen barrier layer 42；Preferably, step S26 ', the second touch controllable function material is set on flatness layer 45；And preferably, step S27 ', to the second touch controllable function material Processing is patterned, obtains the second touch controllable function layer 46.
In order to ensure water oxygen barriering effect, preferably above-mentioned water oxygen barrier material is by the way of CVD, PVD, iCVD or ALD Set.
Further preferred above-mentioned touch controllable function material is configured by the way of sputtering, coating or printing, most preferably very Sky sputtering.
Before setting water oxygen barrier layer 42 on a side surface of the quarter wave plate 3 of comprehensive function film, in order to protect 1/4 ripple Piece 3, the preferably preparation method also include the mistake that the first protective layer is bonded on the surface of the remote touch control film group 4 of quarter wave plate 3 Journey.First protective layer is removed before line polarisation piece 1 and quarter wave plate 3 are assembled.
In addition, the damage in order to avoid the application comprehensive function film in storage, transport or installation, preferably in comprehensive function After setting water oxygen barrier layer 42 on the quarter wave plate 3 of film, the preparation method is additionally included in the remote quarter wave plate 3 of touch control film group 4 Surface on be bonded the process of the second protective layer.Second protective layer can remove after assembling.
Further, the preferably above-mentioned preparation method of the application uses the first adhesion layer 2 by 1/4 ripple with touch control film group 4 Piece 3 is be bonded with line polarisation piece 1.
In the application in another typical embodiment, there is provided a kind of display panel, as shown in fig. 6, the display surface Plate includes OLED components 100 and protection structure 200, and the protection structure 200 is the above-mentioned comprehensive function film of the application, and line polarisation Piece 1 is set away from OLED components 100.
Comprehensive function film with said structure, using line polarisation piece 1 as protection cap, conduct was in the prior art both eliminated The glass cover that protection cap uses causes the thickness of OLED display panel to reduce, and line polarisation piece 1 is as flexible structure, therefore The flexible package to OLED display panel is realized using it.Further, the contact of touch control film group 4 is arranged on quarter wave plate 3 On, water oxygen barriers function, touch controllable function and polarizing function integration so as to eliminate the adhesion layer of prior art, reduce The thickness of encapsulating structure, and then OLED is reduced flexible folding s tress close to the center of display panel, is extended display The service life of panel.And the comprehensive function film need to be only arranged on when making OLED display panel on OLED components i.e. Can, technological process is simplified, ensure that finished product yield.
The OLED components 100 of the application can use the conventional structure of this area, as shown in fig. 6, it is preferred that OLED components 100 Including flexible substrate 101, water oxygen Obstruct membrane 102, OLED 103 and OLED protective layers 104, flexible substrate 101 has first Surface and second surface；Water oxygen Obstruct membrane 102 is bonded on the first surface of flexible substrate 101；OLED 103 is arranged on soft On the second surface of property substrate 101；OLED protective layers 104 are arranged on the second surface of flexible substrate 101 and cover OLED devices Part 103 is set, and comprehensive function film is bonded on OLED protective layers 104 by the second adhesion layer 300.
As can be seen from the above description, the above embodiments of the present invention realize following technique effect：
Because the first surface of line polarisation piece is cure process surface and its pencil hardness in more than 5H, therefore can conduct The protection cap (cover lens) of encapsulation.Comprehensive function film with said structure, using line polarisation piece as protection cap, was both saved The thickness for having gone to cause OLED display panel as the glass cover that protection cap uses in the prior art reduces, and line polarisation piece sheet As flexible structure, therefore realize using it flexible package to OLED display panel.Further, touch control film group is contacted It is arranged on quarter wave plate, water oxygen barriers function, touch controllable function and polarizing function is integrated, so as to eliminate prior art Adhesion layer, the thickness of encapsulating structure is reduced, and the comprehensive function film need to be only arranged on when making OLED display panel On OLED components, technological process is simplified, ensure that finished product yield.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims (23)

  1. A kind of 1. comprehensive function film, it is characterised in that including：
    Line polarisation piece (1), including line polarisation function lamella (11) and contact are arranged on line polarisation function lamella (11) side Hardening protective layer (12) on surface, the hardening strength of the hardening protective layer (12) is more than pencil hardness 5H；
    Quarter wave plate (3), it is arranged on the surface of the remote hardening protective layer (12) of the line polarisation function lamella (11)；
    Touch control film group (4) with barriers function, contact are arranged on the remote line polarisation functional sheet of the quarter wave plate (3) On the surface of layer (11)；The touch control film group (4) includes：
    First touch controllable function layer (44), contact are arranged on the remote line polarisation function lamella (11) of the quarter wave plate (3) On surface；
    Pretreatment layer (41), contact are arranged on the surface of the remote line polarisation function lamella (11) of the quarter wave plate (3) On, and cover the first touch controllable function layer (44)；
    Water oxygen barrier layer (42), contact are arranged on the table of the remote line polarisation function lamella (11) of the pretreatment layer (41) On face；
    Flatness layer (45), contact are arranged on the surface of the remote pretreatment layer (41) of the water oxygen barrier layer (42)；With And
    Second touch controllable function layer (46), contact are arranged on the surface of the remote water oxygen barrier layer (42) of the flatness layer (45) On.
  2. 2. comprehensive function film according to claim 1, it is characterised in that the thickness of the hardening protective layer (12) for 1~ 10μm。
  3. 3. comprehensive function film according to claim 2, it is characterised in that forming the material for hardening protective layer (12) is Polyester resin.
  4. 4. comprehensive function film according to claim 3, it is characterised in that forming the material for hardening protective layer (12) is Urethane acrylate or polyester acrylate.
  5. 5. comprehensive function film according to claim 1, it is characterised in that the material for forming the pretreatment layer (41) is SiNx, SiOx, HMDSO or polyester.
  6. 6. comprehensive function film according to claim 5, it is characterised in that the thickness of the pretreatment layer (41) is 1~3 μ m。
  7. 7. comprehensive function film according to claim 5, it is characterised in that the material for forming the water oxygen barrier layer (42) is Al2O3、TiO2、SiN、SiO2, HMDSO or polyester.
  8. 8. comprehensive function film according to claim 5, it is characterised in that the thickness of the water oxygen barrier layer (42) is 10nm ~5 μm.
  9. 9. comprehensive function film according to claim 1, it is characterised in that form the first touch controllable function layer (44) and institute The material for stating the second touch controllable function layer (46) is each independently selected from ITO, metal grill, Nano Silver, graphene and CNT In any one.
  10. 10. comprehensive function film according to claim 9, it is characterised in that the thickness of the first touch controllable function layer (44) For 10nm~1 μm.
  11. 11. comprehensive function film according to claim 9, it is characterised in that the thickness of the second touch controllable function layer (46) For 10nm~1 μm.
  12. 12. comprehensive function film according to claim 9, it is characterised in that the material for forming the flatness layer (45) is to have Machine resin material.
  13. 13. comprehensive function film according to claim 9, it is characterised in that the thickness of the flatness layer (45) is 5~50 μ m。
  14. 14. comprehensive function film according to claim 1, it is characterised in that the quarter wave plate (3) passes through the first adhesion layer (2) it is bonded on the line polarisation function lamella (11).
  15. 15. comprehensive function film according to claim 1, it is characterised in that the comprehensive function film also includes the second protection Layer, second protective layer are arranged on the surface of the remote quarter wave plate (3) of the touch control film group (4).
  16. A kind of 16. preparation method of the comprehensive function film any one of claim 1 to 15, it is characterised in that the system Include as method：
    Step S1, makes the line polarisation piece (1) of the comprehensive function film, and the line polarisation piece (1) includes line polarisation function lamella (11) and contact is arranged on the hardening protective layer (12) on the side surface of line polarisation function lamella (11) one, the hardening protection The hardening strength of layer (12) is more than pencil hardness 5H；
    Step S2, the touch-control with water oxygen barriers function is set on a side surface of the quarter wave plate (3) of the comprehensive function film Film group (4)；
    Step S3, the quarter wave plate (3) with the touch control film group (4) is arranged on the line polarisation function lamella (11) The remote hardening protective layer (12) surface on, and the touch control film group (4) is away from the line polarisation function lamella (11) Set；
    The step S2 includes：
    Step S21 ', the first touch controllable function material is set on a side surface for the quarter wave plate (3)；
    Step S22 ', processing is patterned to the first touch controllable function material, obtains the first touch controllable function layer (44)；
    Step S23 ', formed on a side surface for the quarter wave plate (3) and cover the first touch controllable function layer (44) Pretreatment layer (41)；
    Step S24 ', water oxygen barrier material is set on the pretreatment layer (41), forms water oxygen barrier layer (42)；
    Step S25 ', flatness layer (45) is formed by the way of CVD, iCVD or coating on the water oxygen barrier layer (42)；
    Step S26 ', the second touch controllable function material is set on the flatness layer (45)；And
    Step S27 ', processing is patterned to the second touch controllable function material, obtains the second touch controllable function layer (46).
  17. 17. preparation method according to claim 16, it is characterised in that the line polarisation piece for making comprehensive function film (1) the step of, includes：Set on a side surface of the line polarisation function lamella (11) by vacuum coating or coating method Polyester resin material, form the hardening protective layer (12).
  18. 18. preparation method according to claim 16, it is characterised in that the water oxygen barrier material using CVD, PVD, ICVD or ALD mode is set.
  19. 19. preparation method according to claim 16, it is characterised in that the touch controllable function material is using sputtering or coating Mode be configured.
  20. 20. preparation method according to claim 19, it is characterised in that the touch controllable function material is using printing or vacuum The mode of sputtering is configured.
  21. 21. preparation method according to claim 16, it is characterised in that the preparation method uses the first adhesion layer (2) The quarter wave plate (3) that will have the touch control film group (4) is Nian Jie with the line polarisation function lamella (11).
  22. 22. a kind of OLED display panel, including OLED components (100) and protection structure (200), it is characterised in that the protection Structure (200) is the comprehensive function film any one of claim 1 to 15, and the line polarisation piece (1) is away from described OLED components (100) are set.
  23. 23. OLED display panel according to claim 22, it is characterised in that the OLED components (100) include：
    Flexible substrate (101), there is first surface and second surface；
    Water oxygen Obstruct membrane (102), is bonded on the first surface of the flexible substrate (101)；
    OLED (103), is arranged on the second surface of the flexible substrate (101)；
    OLED protective layers (104), are arranged on the second surface of the flexible substrate (101), and cover the OLED (103) set, the comprehensive function film is bonded on the OLED protective layers (104) by the second adhesion layer (300).
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