CN107204402A - Water oxygen barrier-touch-control-diaphragm, its preparation method and OLED display panel - Google Patents
Water oxygen barrier-touch-control-diaphragm, its preparation method and OLED display panel Download PDFInfo
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- CN107204402A CN107204402A CN201610157711.9A CN201610157711A CN107204402A CN 107204402 A CN107204402 A CN 107204402A CN 201610157711 A CN201610157711 A CN 201610157711A CN 107204402 A CN107204402 A CN 107204402A
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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
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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
- H10K50/844—Encapsulations
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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
- H10K50/846—Passivation; Containers; Encapsulations comprising getter material or desiccants
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- 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
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- 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
Abstract
The invention provides a kind of water oxygen barrier touch-control diaphragm, its preparation method and the OLED display panel with it.Water oxygen barrier touch-control diaphragm includes：Flexible substrate layer, including substrate body and contact are arranged on the transition zone and hardening protective layer on the apparent surface of substrate body, harden the hardening strength of protective layer in more than pencil hardness 5H；And the touch control film group with barriers function, contact and be arranged on the surface of remote substrate body of transition zone, the touch control component in touch control film group is arranged in same functional layer.Due to the surface of flexible substrate layer be provided with transition zone and hardening protective layer, and hardening protective layer pencil hardness in more than 5H, therefore can as encapsulation protection cap.Water oxygen obstructs touch-control diaphragm, and water oxygen barriers function and touch controllable function are integrated in touch control film group, and contact is arranged on transition zone, realizes touch control film group and protection cap integration, simplifies technological process, it is ensured that finished product yield.
Description
Technical field
The present invention relates to field of display devices, in particular to a kind of water oxygen barrier-touch-control-diaphragm, its preparation method and tool
There is its 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 OLED
The development trend of display.Due to very sensitive with oxygen to steam, if the organic material used in OLED is exposed to outside
It is easy for being oxidized in environment or crystallizes, so as to has a strong impact on the performance of OLED.Accordingly, it would be desirable to OLED devices
Part is effectively encapsulated, and OLED each functional layer is not contacted the compositions such as steam, oxygen in air.
At present, OLED packaging protections with more than cover lens based on glass material, although packaging effect still, but serious limitation
The application of flexible aspect.And flexible package is still in development process, more with thin-film package (Thin Film Encapsulation)
Based on, and Industrialization is more.
Meanwhile, the touch control film group used cooperatively with flexible OLED is also required to develop, and current each research and development institution or company have been sent out
Cloth can touch-control Flexible Displays sample be external hanging type touch control film group, such as mode as shown in Figure 1, positioned at flexible substrate 101 '
On OLED 103 ' side by adhesion layer bond the first water oxygen Obstruct membrane 102 ', opposite side set gradually OLED guarantor
After sheath 104 ' and the second water oxygen Obstruct membrane 105 ' (or packaged glass 106 '), then in the second water oxygen Obstruct membrane 105 ' or encapsulation glass
Touch control film 107 ' and protection cap (cover lens) 108 ' are set gradually on glass 106 ', wherein bonded between each layer with adhesion layer,
As can be seen here, due to the presence of multilayer adhesion layer so that the thickness of the combination of touch control film and water oxygen Obstruct membrane is larger, then with glass
Protection structure, which is combined, make it that the thickness of OLED display panel is bigger；And each functional layer of touch control film, water oxygen Obstruct membrane etc. is needed
Repeatedly to be fitted using adhesion layer, bring larger laminating deviation, and then influence the yield of finished product；In addition, by Fig. 1 institutes
Show structure as can be seen that OLED causes flexible folding s tress larger not in the center of display structure, and then influences curved
Roll over flexibility OLED effect and the life-span.
The content of the invention
It is a primary object of the present invention to provide a kind of water oxygen barrier-touch-control-diaphragm, its preparation method and OLED with it to show
Show panel, the OLED of OLED display panel, touch control film group and protection cap are provided separately and led in the prior art to solve
Cause the problem of its technological process is numerous and diverse and yield is low.
To achieve these goals, according to an aspect of the invention, there is provided a kind of water oxygen barrier-touch-control-diaphragm, including：
Flexible substrate layer, including substrate body and contact are arranged on the transition zone and hardening protective layer on the apparent surface of substrate body, firmly
Change the hardening strength of protective layer in more than pencil hardness 5H；And the touch control film group with barriers function, contact and be arranged on transition zone
Remote substrate body surface on, the touch control component in touch control film group is arranged in same functional layer.
Further, the material for forming above-mentioned substrate body is PET, PEN, COP, COC or PI；Form hardening protective layer
Material be polyester resin, preferably urethane acrylate, polyester acrylate；The material for forming transition zone is polyester third
Olefin(e) acid ester, epoxy acrylate, the material for being preferably formed as hardening protective layer are identical with the material for forming transition zone.
Further, the thickness of above-mentioned hardening protective layer is 1~3 μm.
Further, above-mentioned touch control film group includes：Water oxygen barrier layer, contact is arranged on the surface of the remote substrate body of transition zone
On；Protective layer, contact is arranged on the surface of remote flexible substrate layer of water oxygen barrier layer；Touch controllable function layer, contact is arranged on
On the surface of the remote water oxygen barrier layer of protective layer, to constitute the touch control component of touch control film group.
Further, above-mentioned touch control film group includes：Touch controllable function layer, contact is arranged on the surface of the remote substrate body of transition zone
On, touch control component is touch controllable function layer；Pretreatment layer, contact is arranged on the surface of remote substrate body of transition zone, and is covered
Lid touch controllable function layer；Water oxygen barrier layer, contact is arranged on the surface of remote substrate body of pretreatment layer.
Further, the material for forming above-mentioned water oxygen barrier layer is Al2O3、TiO2、SiN、SiO2, HMDSO or polyester, it is excellent
The thickness for selecting water oxygen barrier layer is 10nm~5 μm.
Further, the material for forming above-mentioned touch controllable function layer is selected from ITO, metal grill, Nano Silver, graphene and CNT
In any one, preferably touch controllable function layer thickness be 10nm~1 μm.
Further, the material for forming above-mentioned protective layer is SiNX、SiOX, HMDSO or polyester, preferably protective layer thickness
For 1~3 μm.
Further, the material of above-mentioned pretreatment layer is formed for SiNx, SiOx, HMDSO or polyester, preferred pretreatment layer
Thickness is 1~3 μm.
Further, above-mentioned water oxygen barrier-touch-control-diaphragm also includes diaphragm, and diaphragm is arranged on the remote base of hardening protective layer
On the surface of material main body.
To achieve these goals, according to an aspect of the invention, there is provided a kind of above-mentioned water oxygen barrier-touch-control-diaphragm
Preparation method, the preparation method includes：There is provided the flexible substrate layer of water oxygen barrier-touch-control-diaphragm, flexible parent metal by step S1
Layer includes substrate body and contacts the transition zone being arranged on the apparent surface of substrate body and hardening protective layer；Step S2, in mistake
Cross and the touch control film group with barriers function is set on layer.
Further, above-mentioned steps S1 includes：Step S11, passes through vacuum coating or painting on the first surface of flexible substrate layer
Cloth method sets polyester resin material, forms hardening protective layer；Step S12 is relative with first surface in flexible substrate layer
Polyester acrylate or epoxy acrylate are set on second surface, transition zone is formed.
Further, above-mentioned steps S2 includes：Step S21, sets water oxygen barrier material on transition zone, forms water oxygen barrier
Layer；Step S22, by the way of CVD, PVD, iCVD or coating, on the surface of the remote transition zone of water oxygen barrier layer
Form protective layer；Step S23, sets touch controllable function material on the surface of the remote water oxygen barrier layer of protective layer；And step
S24, processing is patterned to touch controllable function material, obtains touch controllable function layer.
Further, above-mentioned steps S2 includes：Step S21 ', sets touch controllable function material on transition zone；Step S22 ' is right
Touch controllable function material is patterned processing, obtains touch controllable function layer；Step S23 ', using CVD, PVD, iCVD or painting
The mode of cloth, forms the pretreatment layer of covering touch controllable function layer on transition zone；And step S24 ', set on pretreatment layer
Water oxygen barrier material, forms water oxygen barrier layer.
Further, above-mentioned touch controllable function material is configured by the way of sputtering, coating or printing, preferably vacuum sputtering.
Further, above-mentioned water oxygen barrier material is set by the way of CVD, PVD, iCVD or ALD.
To achieve these goals, there is provided a kind of OLED display panel, including OLED according to a further aspect of the invention
Component and water oxygen barrier-touch-control-protection structure, the water oxygen barrier-touch-control-protection structure are above-mentioned water oxygen barrier-touch-control-diaphragm,
And the hardening protective layer of water oxygen barrier-touch-control-diaphragm is set away from OLED components.
Further, above-mentioned OLED components include：Flexible substrate, with first surface and second surface；Water oxygen Obstruct membrane,
It is bonded on the first surface of flexible substrate；OLED, is arranged on the second surface of flexible substrate；OLED protective layers,
It is arranged on the second surface of flexible substrate, and covers OLED, water oxygen barrier-touch-control-diaphragm is bonded in OLED guarantors
On sheath.
Apply the technical scheme of the present invention, because two surfaces of flexible substrate layer are provided with transition zone and hardening protective layer, and firmly
Change protective layer pencil hardness in more than 5H, therefore can as encapsulation protection cap (cover lens).With said structure
Water oxygen barrier-touch-control-diaphragm, water oxygen barriers function and touch controllable function be integrated in touch control film group, and contacted and be arranged on
On transition zone, it is achieved thereby that will need to be only somebody's turn to do by touch control film group and protection cap integration, and then when making OLED display panel
Water oxygen barrier-touch-control-diaphragm is arranged on OLED components, simplifies technological process, it is ensured that finished product yield；And conduct
The flexible substrate layer of protection cap is flexible material, therefore is conducive to flexible OLED exploitation and uses.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows the structural representation of the OLED display panel according to prior art；
Fig. 2 shows the structural representation of the water oxygen barrier-touch-control-diaphragm provided according to a kind of exemplary embodiment of the application；
Fig. 3 shows the structural representation of the water oxygen barrier-touch-control-diaphragm provided according to a kind of preferred embodiment of the application；
Fig. 4 shows the structural representation of the water oxygen barrier-touch-control-diaphragm provided according to another preferred embodiment of the application；With
And
Fig. 5 shows the structural representation of the OLED display panel provided according to another exemplary embodiment of the application.
Wherein, above-mentioned accompanying drawing is marked including the following drawings：
101 ', flexible substrate；102 ', first water oxygen Obstruct membrane；103 ', OLED；104 ', OLED protective layers；105’、
Second water oxygen Obstruct membrane；106 ', packaged glass；107 ', touch control film；108 ', protection cap；1st, flexible substrate layer；2nd, touch-control
Film group；11st, substrate body；12nd, transition zone；13rd, protective layer is hardened；21st, water oxygen barrier layer；22nd, protective layer；24、
Pretreatment layer；23rd, touch controllable function layer；100th, OLED components；200th, water oxygen barrier-touch-control-protection structure；101st, it is flexible
Substrate；102nd, water oxygen Obstruct membrane；103rd, OLED；104th, OLED protective layers.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can be mutually combined.
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 protection structure, touch control film group and protection cap are provided separately, and are shown making OLED
Need successively to be bonded when showing panel, cause cumbersome and yield is relatively low, in order to solve the above problems, in a kind of typical case of the application
Embodiment in there is provided a kind of water oxygen barrier-touch-control-diaphragm, as shown in Fig. 2 the water oxygen barrier-touch-control-diaphragm bag
Flexible substrate layer 1 and the touch control film group 2 with barriers function are included, flexible substrate layer 1 includes substrate body 11 and contact is arranged on
Transition zone 12 and hardening protective layer 13 on the apparent surface of substrate body 11, the hardening strength for hardening protective layer 13 are hard in pencil
Spend more than 5H；The contact of touch control film group 2 is arranged on the surface of remote substrate body of transition zone 12, touching in touch control film group 2
Control element is arranged in same functional layer.
Because two surfaces of flexible substrate layer 1 are provided with transition zone 12 and hardening protective layer 13, and the lead of hardening protective layer 13
Hardness in more than 5H, therefore can as encapsulation protection cap (cover lens).Water oxygen barrier with said structure-
Touch-control-diaphragm, water oxygen barriers function and touch controllable function are integrated in touch control film group 2, and are contacted and be arranged on transition zone 12
On, it is achieved thereby that by touch control film group 2 and protection cap integration, and then only need to be by the water oxygen when making OLED display panel
Barrier-touch-control-diaphragm is arranged on OLED components, simplifies technological process, it is ensured that finished product yield；And it is used as protection
The flexible substrate layer 1 of lid is flexible material, therefore is conducive to flexible OLED exploitation and uses.
The application is in order to ensure that the flexibility and the hardness on surface of flexible substrate layer 1 meet respective use requirement, further preferred shape
Material into substrate body 11 is PET, PEN, COP, COC or PI；The material for forming hardening protective layer 13 is polyesters
Resin, preferably urethane acrylate, polyester acrylate；The material for forming transition zone 12 is polyester acrylate, epoxy
Acrylate, for the further preparation method for simplifying flexible substrate layer 1, is preferably formed as hardening material and the formation of protective layer 13
The material of transition zone 12 is identical.Transition zone 12 therein and hardening protective layer 13 can also play a part of water oxygen barrier, therefore
Further optimize the water oxygen barriering effect of the multifunctional membrane.
Further, on the basis of protection lid function needs are met, the thickness of reduction water oxygen barrier-touch-control-diaphragm, preferably on
The thickness for stating hardening protective layer 13 is 1~3 μm.
The combination of the reclaimed water oxygen barrier layer of touch control film group 2 and touch control component with barriers function has a variety of, the application preferably its
In touch control component be arranged in the following manner in same functional layer.
In a kind of preferred embodiment of the application, as shown in figure 3, the touch control film group 2 includes water oxygen barrier layer 21, protective layer
22 and touch controllable function layer 23, water oxygen barrier layer 21 contact be arranged on the surface of remote substrate body 11 of transition zone 12；Protection
The contact of layer 22 is arranged on the surface of remote flexible substrate layer 1 of water oxygen barrier layer 21；The contact of touch controllable function layer 23 is arranged on guarantor
To constitute the touch control component of touch control film group 2 on the surface of the remote water oxygen barrier layer 21 of sheath 22.
Protected by 22 pairs of water oxygen barrier layers 21 formed of protective layer, it is to avoid it is forming the life of touch controllable function layer 23
Destroyed during long or graphical treatment, cause water oxygen barriering effect to decline.Water oxygen barrier layer 21 and touch controllable function layer 23
It is combined in the above described manner, tack coat need not be set each other, therefore the thickness of touch control film group 2 is smaller, and then reduce
The thickness of water oxygen barrier-touch-control-diaphragm and the OLED display panel with it, and make OLED close to display surface
The center of plate, reduces flexible folding s tress, extends the service life of display panel.
The set-up mode of the application touch control film group 2 can also be structure as shown in Figure 4, and touch control film group 2 includes touch controllable function layer
23rd, pretreatment layer 24 and water oxygen barrier layer 21, the contact of touch controllable function layer 23 are arranged on the remote substrate body 11 of transition zone 12
Surface on, touch control component be touch controllable function layer 23；Pretreatment layer 24, contact is arranged on the remote substrate body of transition zone 12
On 11 surface, and cover touch controllable function layer 23；Water oxygen barrier layer 21, contact is arranged on the remote base material master of pretreatment layer 24
On the surface of body 11.
In with the touch control film group 2 shown in Fig. 4, because touch controllable function layer 23 relative to transition zone 12 forms projection, therefore
The side surface for being arranged on touch controllable function layer 23 and the water oxygen barrier layer 21 on transition zone 12 is on-plane surface, may result in water oxygen
Barrier material growth is uneven, and then causes water oxygen barriering effect uneven, and the setting of pretreatment layer 24 improves water oxygen barrier
Effect.Similarly, water oxygen barrier layer 21 and touch controllable function layer 23 are combined in the above described manner, need not be set each other
Tack coat, therefore the thickness of touch control film group 2 is smaller, and then reduce water oxygen barrier-touch-control-diaphragm and the OLED with it
The thickness of display panel, and make OLED close to the center of display panel, flexible folding s tress is reduced, display is extended
The service life of panel.
The material of the water oxygen barrier layer 21 and touch controllable function layer 23 that form the application can use the conventional application material of this area,
The material for being preferably formed as water oxygen barrier layer 21 is Al2O3、TiO2、SiN、SiO2, HMDSO or polyester.In order to ensure water oxygen
Barriering effect and the thickness for reducing touch control film group 2, the thickness of further preferred water oxygen barrier layer 21 is 10nm~5 μm.Formed and touched
The material of control functional layer 23 is each independently selected from any one in ITO, metal grill, Nano Silver, graphene and CNT
Kind.Similarly, on the premise of touch-control effect is ensured, in order to further reduce the thickness of touch control film group 2, preferably touch controllable function
The thickness of layer 23 is 10nm~1 μm.
The effect of the application protective layer 22 is in order to protect water oxygen barrier layer 21, as long as therefore can realize the protective effect and will not
The material being had a negative impact to original function can as protective layer 22 raw material, the material for being preferably formed as protective layer 22 is
SiNX、SiOX, HMDSO or polyester.Similarly, on the basis of protecting effect is ensured, in order to further reduce water oxygen resistance
Every the thickness of-touch-control-diaphragm, the preferably thickness of protective layer 22 is 1~3 μm.
The effect of the application pretreatment layer 24 be for the water oxygen barrier layer 21 being subsequently formed provide it is smooth, possess affinity and more
Fine and close surface, therefore every can function as described above and shape will not be used equally for the material that original function has a negative impact
Into pretreatment layer 24, the material for being preferably formed as pretreatment layer 24 is SiNx, SiOx, HMDSO, polyester.Similarly, protecting
On the basis of card is functioned as described above, in order to further reduce the thickness of the water oxygen barrier-touch-control-diaphragm, preferred pretreatment layer 24
Thickness be 1~3 μm.
In addition, the service life of water oxygen barrier-touch-control-diaphragm in order to further extend the application, preferably above-mentioned water oxygen barrier-
Touch-control-diaphragm also includes diaphragm, and diaphragm is generally the materials such as PET or PE.Diaphragm contact is arranged on hardening protective layer
On the surface of 13 remote substrate body 11.After assembly is completed, the diaphragm can be removed.
In another typical embodiment of the application, a kind of making side of above-mentioned water oxygen barrier-touch-control-diaphragm is additionally provided
Method, the preparation method includes：Step S1 is wrapped there is provided the flexible substrate layer 1 of water oxygen barrier-touch-control-diaphragm, flexible substrate layer 1
Include substrate body 11 and contact the transition zone 12 being arranged on the apparent surface of substrate body 11 and hardening protective layer 13；Step
S2, sets the touch control film group 2 with barriers function on transition zone 12.
As before, because the flexible substrate layer 1 of the application has These characteristics, therefore can set directly over barrier work(
The touch control film group 2 of energy, simplifies the technological process of the OLED display panel using its making.
The preferred above-mentioned steps S1 of the application includes：Step S11, on the first surface of flexible substrate layer 1 by vacuum coating or
Coating method sets polyester resin material, forms hardening protective layer 13；Step S12, in flexible substrate layer 1 and the first table
Polyester acrylate or epoxy acrylate are set on the relative second surface in face, transition zone 12 is formed.
Because the touch control film group 2 of the application can have different structures, therefore correspondingly its preparation method of different structure also can be
Difference, when making touch control film group 2 as shown in Figure 3, preferably above-mentioned steps S2 includes：Step S21, in transition zone 12
Upper setting water oxygen barrier material, forms water oxygen barrier layer 21；Step S22, using CVD, PVD, iCVD or the side of coating
Formula, forms protective layer 22 on the surface of the remote transition zone 12 of water oxygen barrier layer 21；Step S23, in the remote of protective layer 22
From setting touch controllable function material on the surface of water oxygen barrier layer 21；And step S24, place is patterned to touch controllable function material
Reason, obtains touch controllable function layer 23.Tack coat is not needed between each layer, therefore simplifies technological process.Above-mentioned graphical treatment is adopted
Implemented with the conventional gold-tinted processing procedure in this area or laser ablation, will not be repeated here.
When making touch control film group 2 as shown in Figure 4, preferably above-mentioned steps S2 includes：Step S21 ', on transition zone 12
Touch controllable function material is set；Step S22 ', processing is patterned to touch controllable function material, obtains touch controllable function layer 23；Step
S23 ', by the way of CVD, PVD, iCVD or coating, forms the pre- of covering touch controllable function layer 23 on transition zone 12
Process layer 24；And step S24 ', water oxygen barrier material is set on pretreatment layer 24, water oxygen barrier layer 21 is formed.Equally,
Tack coat is not needed between each layer, therefore simplifies technological process.Above-mentioned graphical treatment is using the conventional gold-tinted processing procedure in this area
Or laser ablation is implemented, and will not be repeated here.
When stating step S2 on the implementation, preferably touch controllable function material is configured by the way of sputtering, coating or printing, enters one
Walk preferred vacuum sputtering.It is preferred that water oxygen barrier material is set by the way of CVD, PVD, iCVD or ALD.
When water oxygen barrier-touch-control-diaphragm of the application also includes diaphragm, preferably above-mentioned preparation method is additionally included in step S1
The mistake of diaphragm is set between step S2 or after step S2 on the surface of the remote substrate body 11 of hardening protective layer 13
Journey.The set-up mode of said protection film is implemented using bonding way.After assembly is completed, the diaphragm can be removed.
In the application there is provided a kind of OLED display panel in another typical embodiment, as shown in figure 5, the OLED
Display panel includes OLED components 100 and water oxygen barrier-touch-control-protection structure 200, the water oxygen barrier-touch-control-protection structure 200
For above-mentioned water oxygen barrier-touch-control-diaphragm, and water oxygen barrier-touch-control-diaphragm hardening protective layer 13 away from OLED components
100 are set.
Water oxygen barrier-touch-control-diaphragm of the application concentrated protection cap, water oxygen barrier and three kinds of functions of touch-control, therefore by its with
OLED components 100 can complete the combination of above-mentioned three kinds of functions and OLED functions after being assembled, simplify OLED and show
Show the Making programme of panel, it is ensured that finished product yield；And realize flexible package using flexible substrate layer 1 as protection cap；Enter one
Tack coat is not provided with step ground, the water oxygen barrier-touch-control-diaphragm, therefore thickness is smaller, and make OLED 103 close
The center of display panel, reduces flexible folding s tress, extends the service life of display panel.
The OLED components 100 of the application can use the conventional structure of this area, as shown in figure 5, it is preferred that above-mentioned OLED groups
Part 100 includes flexible substrate 101, water oxygen Obstruct membrane 102, OLED 103 and OLED protective layers 104, flexible substrate
101 have first surface and second surface；Water oxygen Obstruct membrane 102 is bonded on the first surface of flexible substrate 101；OLED devices
Part 103 is arranged on the second surface of flexible substrate 101；OLED protective layers 104 are arranged on the second surface of flexible substrate 101
On, and OLED 103 is covered, water oxygen barrier-touch-control-diaphragm is bonded on OLED protective layers 104.
As can be seen from the above description, the above embodiments of the present invention realize following technique effect：
Because two surfaces of flexible substrate layer are provided with transition zone and hardening protective layer, and the pencil hardness of protective layer is hardened in 5H
More than, thus can as encapsulation protection cap (cover lens).Water oxygen barrier-touch-control-diaphragm with said structure,
Water oxygen barriers function and touch controllable function are integrated in touch control film group, and are contacted and be arranged on transition zone, it is achieved thereby that will
Touch control film group and protection cap integration, and then the water oxygen barrier-touch-control-diaphragm need to only be set when making OLED display panel
On OLED components, technological process is simplified, it is ensured that finished product yield；And be soft as the flexible substrate layer of protection cap
Property material, therefore be conducive to flexible OLED exploitation and use.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for those skilled in the art
For, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made, etc.
With replacement, improvement etc., it should be included in the scope of the protection.
Claims (18)
1. a kind of water oxygen barrier-touch-control-diaphragm, it is characterised in that including：
Flexible substrate layer (1), including substrate body (11) and contact are arranged on the relative table of the substrate body (11)
Transition zone (12) and hardening protective layer (13) on face, the hardening strength of the hardening protective layer (13) are hard in pencil
Spend more than 5H；And
Touch control film group (2) with barriers function, contact is arranged on the remote substrate body of the transition zone (12)
Surface on, the touch control component in the touch control film group (2) is arranged in same functional layer.
2. water oxygen barrier-touch-control-diaphragm according to claim 1, it is characterised in that form the substrate body (11)
Material is PET, PEN, COP, COC or PI；The material for forming the hardening protective layer (13) is polyester resin,
Preferably urethane acrylate, polyester acrylate；Formed the material of the transition zone (12) for polyester acrylate,
Epoxy acrylate, is preferably formed as material of the material of the hardening protective layer (13) with forming the transition zone (12)
It is identical.
3. water oxygen barrier-touch-control-diaphragm according to claim 1 or 2, it is characterised in that the hardening protective layer (13)
Thickness be 1~3 μm.
4. water oxygen barrier-touch-control-diaphragm according to claim 1, it is characterised in that the touch control film group (2) includes：
Water oxygen barrier layer (21), contact is arranged on the table of the remote substrate body (11) of the transition zone (12)
On face；
Protective layer (22), contact is arranged on the table of the remote flexible substrate layer (1) of the water oxygen barrier layer (21)
On face；
Touch controllable function layer (23), contact is arranged on the remote water oxygen barrier layer (21) of the protective layer (22)
On surface, to constitute the touch control component of the touch control film group (2).
5. water oxygen barrier-touch-control-diaphragm according to claim 1, it is characterised in that the touch control film group (2) includes：
Touch controllable function layer (23), contact is arranged on the table of the remote substrate body (11) of the transition zone (12)
On face, the touch control component is touch controllable function layer (23)；
Pretreatment layer (24), contact is arranged on the surface of the remote substrate body (11) of the transition zone (12)
On, and cover the touch controllable function layer (23)；
Water oxygen barrier layer (21), contact is arranged on the remote substrate body (11) of the pretreatment layer (24)
On surface.
6. water oxygen barrier-touch-control-diaphragm according to claim 4 or 5, it is characterised in that form the water oxygen barrier layer (21)
Material be Al2O3、TiO2、SiN、SiO2, HMDSO or polyester, the thickness of preferably described water oxygen barrier layer (21)
For 10nm~5 μm.
7. water oxygen barrier-touch-control-diaphragm according to claim 4 or 5, it is characterised in that form the touch controllable function layer (23)
Any one in ITO, metal grill, Nano Silver, graphene and CNT of material, preferably described touch-control work(
The thickness of ergosphere (23) is 10nm~1 μm.
8. water oxygen barrier-touch-control-diaphragm according to claim 4, it is characterised in that form the material of the protective layer (22)
Expect for SiNX、SiOX, HMDSO or polyester, the thickness of preferably described protective layer (22) is 1~3 μm.
9. water oxygen barrier-touch-control-diaphragm according to claim 5, it is characterised in that form the pretreatment layer (24)
Material is SiNx, SiOx, HMDSO or polyester, and the thickness of preferably described pretreatment layer (24) is 1~3 μm.
10. water oxygen barrier-touch-control-diaphragm according to claim 1, it is characterised in that the water oxygen barrier-touch-control-diaphragm
Also include diaphragm, the diaphragm is arranged on the table of the remote substrate body (11) of the hardening protective layer (13)
On face.
11. a kind of preparation method of water oxygen barrier-touch-control-diaphragm any one of claim 1 to 9, it is characterised in that institute
Stating preparation method includes：
There is provided the flexible substrate layer (1) of the water oxygen barrier-touch-control-diaphragm, the flexible substrate layer (1) by step S1
Including substrate body (11) and contact be arranged on transition zone (12) on the apparent surface of the substrate body (11) and
Harden protective layer (13)；
Step S2, sets the touch control film group (2) with barriers function on the transition zone (12).
12. preparation method according to claim 11, it is characterised in that the step S1 includes：
Step S11, polyester is set on the first surface of the flexible substrate layer (1) by vacuum coating or coating method
Resinous materials, form the hardening protective layer (13)；
Step S12, sets polyester third on the second surface relative with the first surface of the flexible substrate layer (1)
Olefin(e) acid ester or epoxy acrylate, form the transition zone (12).
13. preparation method according to claim 11, it is characterised in that the step S2 includes：
Step S21, sets water oxygen barrier material on the transition zone (12), forms water oxygen barrier layer (21)；
Step S22, by the way of CVD, PVD, iCVD or coating, in the remote of the water oxygen barrier layer (21)
Protective layer (22) is formed on the surface of the transition zone (12)；
Step S23, touch controllable function is set on the surface of the remote water oxygen barrier layer (21) of the protective layer (22)
Material；And
Step S24, processing is patterned to the touch controllable function material, obtains touch controllable function layer (23).
14. preparation method according to claim 11, it is characterised in that the step S2 includes：
Step S21 ', sets touch controllable function material on the transition zone (12)；
Step S22 ', processing is patterned to the touch controllable function material, obtains touch controllable function layer (23)；
Step S23 ', by the way of CVD, PVD, iCVD or coating, forms on the transition zone (12) and covers
Cover the pretreatment layer (24) of the touch controllable function layer (23)；And
Step S24 ', sets water oxygen barrier material on the pretreatment layer (24), forms water oxygen barrier layer (21).
15. the preparation method according to claim 13 or 14, it is characterised in that the touch controllable function material is using sputtering, painting
Cloth or the mode of printing are configured, preferably vacuum sputtering.
16. the preparation method according to claim 13 or 14, it is characterised in that the water oxygen barrier material using CVD, PVD,
ICVD or ALD mode is set.
17. a kind of OLED display panel, including OLED components (100) and water oxygen barrier-touch-control-protection structure (200), it is special
Levy and be, the water oxygen barrier-touch-control-protection structure (200) is the water oxygen resistance any one of claim 1 to 9
Every-touch-control-diaphragm, and water oxygen barrier-touch-control-diaphragm hardening protective layer (13) away from the OLED components
(100) set.
18. OLED display panel according to claim 17, it is characterised in that the OLED components (100) include：
Flexible substrate (101), with first surface and second surface；
On water oxygen Obstruct membrane (102), the first surface for being bonded in the flexible substrate (101)；
On OLED (103), the second surface for being arranged on the flexible substrate (101)；
On OLED protective layers (104), the second surface for being arranged on the flexible substrate (101), and cover the OLED
Device (103), the water oxygen barrier-touch-control-diaphragm is bonded on the OLED protective layers (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610157711.9A CN107204402B (en) | 2016-03-18 | 2016-03-18 | Water oxygen barrier-touch-control-protective film, its production method and OLED display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610157711.9A CN107204402B (en) | 2016-03-18 | 2016-03-18 | Water oxygen barrier-touch-control-protective film, its production method and OLED display panel |
Publications (2)
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| CN107204402A true CN107204402A (en) | 2017-09-26 |
| CN107204402B CN107204402B (en) | 2019-05-17 |
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| CN107204402B (en) | 2019-05-17 |
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