CN109427990A - Flexible display device and its manufacturing method - Google Patents
Flexible display device and its manufacturing method Download PDFInfo
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- CN109427990A CN109427990A CN201710723795.2A CN201710723795A CN109427990A CN 109427990 A CN109427990 A CN 109427990A CN 201710723795 A CN201710723795 A CN 201710723795A CN 109427990 A CN109427990 A CN 109427990A
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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
- H10K50/86—Arrangements for improving contrast, e.g. preventing reflection of ambient light
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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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
- H10K59/40—OLEDs integrated with touch screens
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Abstract
The present invention provides flexible display device and its manufacturing methods, and wherein flexible display device includes: the flexible array substrate stacked gradually, organic luminescent device layer, thin-film encapsulation layer, water oxygen barrier layer, touch control electrode layer, antireflection compensation film, cover board；Wherein, antireflection compensation film includes the quarter-wave plate stacked gradually, birefringence-compensated film and polyvinyl alcohol film, birefringence-compensated film includes substrate and formation and the compensation film on substrate, and the material of compensation film is high molecular polymer, and the compensation range to visible light is -200nm to 200nm.The present invention carries out phase compensation by all film layers below antagonistic reflex compensation film, the extra bits phase difference for reducing each tunic material below antireflection compensation film influences, reduce the reflectivity of entire mould group, mitigate organic light emission flexible display device dark-state light leakage phenomena, alleviates organic light emission flexible display device dark-state color offset phenomenon.
Description
Technical field
The present invention relates to oled panel processing procedure field more particularly to flexible display device and its manufacturing methods.
Background technique
Instantly, as country is gradually increased entirety to the display industry especially layout of AMOLED, AMOLED shows enterprise
Appearance, has started one organic luminescent device enthusiasm storm as emerging rapidly in large numbersBamboo shoots after a spring rain；Flexible Displays as more forward position also gradually at
For industry research hotspot.
Fig. 1 is the sectional view of the flexible organic luminescent device of the prior art.The flexible display device of current mainstream
Structure as shown in Figure 1, the flexible display device, include the flexible array substrate 17 stacked gradually, organic luminescent device layer 16,
Thin-film encapsulation layer 15, water oxygen barrier layer 14, polarizing layer 13, touch control electrode layer 12 and cover board 11.The structure is not only more complicated,
And other film layers are due to being all made of optics rank macromolecule polymeric material below for polarizing layer 13, and macromolecule polymeric material or more
Or there is certain birefringent characteristic less, to introduce certain phase difference value；It finally will affect the anti-reflective effect of polarizing layer 13.It is two-fold
The phenomenon that penetrating characteristic and refer to that light beam is incident on anisotropic crystal, being decomposed into two-beam and reflected along different directions.Light is non-
When propagating in isotropic body, spread speed and refractive index value are different with direction of vibration and change, refractive index value more than one；Light
Wave incidence heterogeneous body will occur birefringent in addition to particular orientation, resolve into that direction of vibration is orthogonal, spread speed
The two kinds of polarised lights of different, refractive index not etc., this phenomenon are as birefringent.
The structure of the flexible organic luminescent device of the prior art improves the reflectivity of entire mould group, also will increase organic hair
Light flexible display device dark-state light leakage phenomena exacerbates organic light emission flexible display device dark-state color offset phenomenon.
Summary of the invention
For the defects in the prior art, the purpose of the present invention is to provide flexible display device and its manufacturing methods, lead to
It crosses all film layers below antagonistic reflex compensation film and carries out phase compensation, each tunic material is additional below reduction antireflection compensation film
Phase difference value influences, and reduces the reflectivity of entire flexible display device mould group.
According to an aspect of the present invention, a kind of flexible display device is provided, comprising:
One flexible array substrate；
One organic luminescent device layer, is formed in the side of the flexible array substrate；
One thin-film encapsulation layer is formed in the side that the organic luminescent device layer deviates from the flexible array substrate；
One water oxygen barrier layer is formed in the side that the thin-film encapsulation layer deviates from the organic luminescent device layer；
One touch control electrode layer is formed in the side that the water oxygen barrier layer deviates from the thin-film encapsulation layer；
Primary antibody reflection compensation film is formed in the side that the touch control electrode layer deviates from the water oxygen barrier layer；And
One cover board is formed in the side that the antireflection compensation film deviates from the touch control electrode layer；
Wherein, the antireflection compensation film includes
One quarter-wave plate is formed in the side that the touch control electrode layer deviates from the water oxygen barrier layer；
A pair of refraction compensation film is formed in the side that the quarter-wave plate deviates from the touch control electrode layer, described double
The material of refraction compensation film is birefringence effect material；And
One polyvinyl alcohol film is formed in the side that the birefringence-compensated film deviates from the quarter-wave plate.
Preferably, the birefringence-compensated film includes substrate and is formed and the compensation film on the substrate, the compensation film
Material be high molecular polymer, the compensation range to visible light is -200nm to 200nm.
Preferably, the material of the compensation film is one of polyethylene terephthalate, polyimides.
Preferably, the material of the substrate is single layer cyclic olefin polymer optical compensation films, single layer polymethyl first
Rouge optical compensation films, single layer polyimides optical compensation films, single layer polyethylene terephthalate optical compensation films, single layer are poly-
One of carbonic ester optical compensation films or several laminations.
Preferably, the antireflection compensation film further include:
One first pressure sensitive adhesive is formed between the quarter-wave plate and the birefringence-compensated film；
One second pressure sensitive adhesive, is formed between the touch control electrode layer and the quarter-wave plate；
One protective film is formed between the polyvinyl alcohol film and the cover board, and the material of the protective film is three second
Acyl cellulose hard conating.
Preferably, the thickness range of the protective film is 10um to 50um；
The thickness range of the polyvinyl alcohol film is 3um to 50um；
The compensation film with a thickness of 3um to 50um,
The thickness range of first pressure sensitive adhesive is 1um to 30um；
The thickness range of the quarter-wave plate is 0.5um to 50um；
The thickness range of second pressure sensitive adhesive is 1um to 30um.
Preferably, the material of the compensation film is Liquid Crystalline Polymeric Materials, compensation range of the compensation film to visible light
It is 0nm to 50nm.
Preferably, the polyvinyl alcohol film is replaced by liquid crystal polymer pigments layer；
The surface of the quarter-wave plate is coated with by liquid crystal polymer, compensation of the quarter-wave plate to visible light
Range is 130nm to 150nm.
Preferably, the antireflection compensation film further include:
One first pressure sensitive adhesive is formed between the quarter-wave plate and the birefringence-compensated film；
One second pressure sensitive adhesive, is formed between the touch control electrode layer and the quarter-wave plate；
One protective film is formed between the polyvinyl alcohol film and the cover board, and the material of the protective film is cyclenes
Hydrocarbon polymer or polymethyl methacrylate.
Preferably, the thickness range of the protective film is 10um to 30um；
The thickness range of the liquid crystal polymer pigments layer is 2um to 10um；
The compensation film with a thickness of 2um to 30um,
The thickness range of first pressure sensitive adhesive is 2um to 20um；
The thickness of the quarter-wave plate is 2um to 10um；
The thickness range of second pressure sensitive adhesive is 2um to 20um.
According to another aspect of the present invention, a kind of manufacturing method of flexible display device is also provided, comprising the following steps:
One flexible array substrate is provided；
An organic luminescent device layer is formed in the side of the flexible array substrate；
Form the side that a thin-film encapsulation layer deviates from the flexible array substrate in the organic luminescent device layer；
Form the side that a water oxygen barrier layer deviates from the organic luminescent device layer in the thin-film encapsulation layer；
Form the side that a touch control electrode layer deviates from the thin-film encapsulation layer in the water oxygen barrier layer；
Form the side that primary antibody reflection compensation film deviates from the water oxygen barrier layer in the touch control electrode layer；And
Form the side that a cover board deviates from the touch control electrode layer in the antireflection compensation film.
Wherein, the step of forming the antireflection compensation film include
Form the side that a quarter-wave plate deviates from the water oxygen barrier layer in the touch control electrode layer；
The side that a pair of refraction compensation film deviates from the touch control electrode layer in the quarter-wave plate is formed, it is described two-fold
The material for penetrating compensation film is birefringence effect material；And
Form the side that a polyvinyl alcohol film deviates from the quarter-wave plate in the birefringence-compensated film.
Preferably, the birefringence-compensated film includes substrate and is formed and the compensation film on the substrate, the compensation film
Material be high molecular polymer, the compensation range to visible light is -200nm to 200nm.
Preferably, the material of the compensation film is Liquid Crystalline Polymeric Materials, compensation range of the compensation film to visible light
It is 0nm to 50nm；
The polyvinyl alcohol film is replaced by liquid crystal polymer pigments layer；
The surface of the quarter-wave plate is coated with by liquid crystal polymer, compensation of the quarter-wave plate to visible light
Range is 130nm to 150nm.
In view of this, flexible display device and its manufacturing method of the invention pass through all films below antagonistic reflex compensation film
Layer carries out phase compensation, and the extra bits phase difference for reducing each tunic material below antireflection compensation film influences, and reduces entire mould group
Reflectivity, mitigate organic light emission flexible display device dark-state light leakage phenomena, alleviate organic light emission flexible display device dark-state color
Inclined phenomenon.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the sectional view of the flexible organic luminescent device of the prior art；
Fig. 2 is the sectional view of the first flexible organic luminescent device of the invention；
Fig. 3 is the sectional view of antireflection compensation film in the first flexible organic luminescent device of the invention；
Fig. 4 is the sectional view of second of flexible organic luminescent device of the invention；And
Fig. 5 is the sectional view of antireflection compensation film in second of flexible organic luminescent device of the invention.
Appended drawing reference
11 cover boards
12 touch control electrode layers
13 polarizing layers
14 water oxygen barrier layers
15 thin-film encapsulation layers
16 organic luminescent device layers
17 flexible array substrates
1 cover board
20 antireflection compensation films
201 protective layers
202 polyvinyl alcohol films
203 birefringence-compensated films
204 first pressure sensitive adhesives
205 quarter-wave plates
206 second pressure sensitive adhesives
21 antireflection compensation films
211 protective layers
212 liquid crystal polymer pigments layers
213 birefringence-compensated films
214 first pressure sensitive adhesives
215 liquid crystal polymer application type quarter-wave plates
216 second pressure sensitive adhesives
3 touch control electrode layers
4 water oxygen barrier layers
5 thin-film encapsulation layers
6 organic luminescent device layers
7 flexible array substrates
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the present invention will
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.It is identical attached in figure
Icon note indicates same or similar structure, thus will omit repetition thereof.
Described feature, structure or characteristic can be incorporated in one or more embodiments in any suitable manner
In.In the following description, many details are provided to provide and fully understand to embodiments of the present invention.However,
One of ordinary skill in the art would recognize that without one or more in specific detail, or using other methods, constituent element, material
Material etc., can also practice technical solution of the present invention.In some cases, be not shown in detail or describe known features, material or
Person operates to avoid the fuzzy present invention.
Fig. 2 is the sectional view of the first flexible organic luminescent device of the invention.Fig. 3 is that the first flexibility of the invention has
The sectional view of antireflection compensation film in machine luminescent device.As shown in Figures 2 and 3, the first flexible organic luminescent device of the invention,
Including a flexible array substrate 7, an organic luminescent device layer 6, a thin-film encapsulation layer 5, a water oxygen barrier layer 4, a touch control electrode
Layer 3, primary antibody reflection compensation film 2 and a cover board 1.Organic luminescent device layer 6 is formed in the side of flexible array substrate 7.Film
Encapsulated layer 5 is formed in the side that organic luminescent device layer 6 deviates from flexible array substrate 7.Water oxygen barrier layer 4 is formed in thin-film package
Layer 5 deviates from the side of organic luminescent device layer 6.Touch control electrode layer 3 is formed in one that water oxygen barrier layer 4 deviates from thin-film encapsulation layer 5
Side.Antireflection compensation film 20 is formed in the side that touch control electrode layer 3 deviates from water oxygen barrier layer 4.Cover board 1 is formed in antireflection compensation
Film 20 deviates from the side of touch control electrode layer 3.
Wherein, antireflection compensation film 20 include: the second pressure sensitive adhesive 206, quarter-wave plate 205, the first pressure sensitive adhesive 204,
Birefringence-compensated film 203, polyvinyl alcohol film 202 and protective film 201.Second pressure sensitive adhesive 206 is formed in the back of touch control electrode layer 3
Side from water oxygen barrier layer 4.Quarter-wave plate 205 is formed in the side that the second pressure sensitive adhesive 206 deviates from touch control electrode layer 3.
First pressure sensitive adhesive 204 is formed in the side that quarter-wave plate 205 deviates from the second pressure sensitive adhesive 206.The birefringence-compensated formation of film 203
Deviate from the side of quarter-wave plate 205 in the first pressure sensitive adhesive 204.Polyvinyl alcohol film 202 is formed in birefringence-compensated film 203
Away from the side of the first pressure sensitive adhesive 204.Protective film 201 is formed in one that polyvinyl alcohol film 202 deviates from birefringence-compensated film 203
Side.
In the present embodiment, birefringence-compensated film 203 includes substrate and is formed and the compensation film on substrate, the material of compensation film
It is high molecular polymer, the compensation range to visible light is -200nm to 200nm, and but not limited to this.The material of compensation film is
One of polyethylene terephthalate, polyimides, but not limited to this.The material of substrate is single layer cyclic olefin polymerization
Object (Cyclo-olefin polymer, abbreviation COP) optical compensation films, single layer polymethyl formicester (Polymethyl
Methacrylate, abbreviation PMMA) optical compensation films, single layer polyimides (PolyimideFilm, abbreviation PI) optical compensation
Film, single layer polyethylene terephthalate (Polyethylene terephthalate, abbreviation PET) optical compensation films, list
One of strata carbonic ester (Polycarbonate, abbreviation PC) optical compensation films or several laminations, but not as
Limit.The material of protective film 201 is triacetyl cellulose hard conating (hardcoat-Triacetylcellulose, abbreviation HC-
TAC)。
In the present embodiment, the thickness of each layer may is that the thickness range of protective film is 10um to 50um, but not as
Limit.The thickness range of polyvinyl alcohol film is 3um to 50um, and but not limited to this.Compensation film with a thickness of 3um to 50um, but
It is not limited.The thickness range of first pressure sensitive adhesive is 1um to 30um, and but not limited to this.The thickness of quarter-wave plate
Range is 0.5um to 50um, and but not limited to this.The thickness range of second pressure sensitive adhesive is 1um to 30um, but not as
Limit.
Since the other cyclic olefin polymer of optical grade (COP) material rests in a small number of manufacturer's hands, good cycloolefin is poly-
It is expensive to close object film, therefore the present invention uses polyethylene terephthalate (PET)/polymethyl methacrylate
(PMMA) it after the birefringence-compensated film 203 of the cheap substrate collocation matching birefringence effect such as/polycarbonate (PC), can substantially drop
Low production cost improves whole yield, has broad application prospects.
Polyvinyl alcohol film 202 can be used as a part of polaroid in the first flexible organic luminescent device of the invention
It uses, effect is natural light to be become linearly polarized light, then quarter-wave plate of arranging in pairs or groups just plays the role of antireflection.Birefringent benefit
The effect for repaying film 203 is the compensation effect for improving quarter-wave plate 205, promotes the antireflection ability of antireflection compensation film 20.
With continued reference to attached drawing 2 and 3, the present invention also provides a kind of Flexible Displays for making the first above-mentioned flexible display device
The manufacturing method of device, comprising the following steps:
One flexible array substrate is provided.
An organic luminescent device layer is formed in the side of flexible array substrate.
Form the side that a thin-film encapsulation layer deviates from flexible array substrate in organic luminescent device layer.
Form the side that a water oxygen barrier layer deviates from organic luminescent device layer in thin-film encapsulation layer.
Form the side that a touch control electrode layer deviates from thin-film encapsulation layer in water oxygen barrier layer.
Form the side that primary antibody reflection compensation film deviates from water oxygen barrier layer in touch control electrode layer.And
Form the side that a cover board deviates from touch control electrode layer in antireflection compensation film.
Wherein, the step of formation antireflection compensation film includes:
Form the side that a quarter-wave plate deviates from water oxygen barrier layer in touch control electrode layer.
Form the side that a pair of refraction compensation film deviates from touch control electrode layer in quarter-wave plate, the material of birefringence-compensated film
Material is birefringence effect material.Birefringence-compensated film includes substrate and formation and the compensation film on substrate, and the material of compensation film is
High molecular polymer, the compensation range to visible light are -200nm to 200nm, and but not limited to this.And
Form the side that a polyvinyl alcohol film deviates from quarter-wave plate in birefringence-compensated film.
The present invention is by birefringence-compensated film 203 to the birefringence-compensated position that macromolecule polymeric material introduces below of film 203
Phase difference compensates, and to reach " neutralization " effect, enables 20 being optimal anti-reflective effect of antireflection compensation film.The present invention
In the sub-assembly of entire flexible organic luminescent device can use roll-to-roll processing procedure (Roll to Roll) preparation process.
Fig. 4 is the sectional view of second of flexible organic luminescent device of the invention.Fig. 5 is that second of flexibility of the invention has
The sectional view of antireflection compensation film in machine luminescent device.As shown in Figures 4 and 5, the present invention also provides second of flexible organic light emissions
Device, including a flexible array substrate 7, an organic luminescent device layer 6, a thin-film encapsulation layer 5, a water oxygen barrier layer 4, a touch-control
Electrode layer 3, primary antibody reflection compensation film 2 and a cover board 1.Organic luminescent device layer 6 is formed in the side of flexible array substrate 7.
Thin-film encapsulation layer 5 is formed in the side that organic luminescent device layer 6 deviates from flexible array substrate 7.Water oxygen barrier layer 4 is formed in film
Encapsulated layer 5 deviates from the side of organic luminescent device layer 6.Touch control electrode layer 3 is formed in water oxygen barrier layer 4 away from thin-film encapsulation layer 5
Side.Antireflection compensation film 21 is formed in the side that touch control electrode layer 3 deviates from water oxygen barrier layer 4.Cover board 1 is formed in antireflection
Compensation film 21 deviates from the side of touch control electrode layer 3.
Wherein, antireflection compensation film 21 includes: the second pressure sensitive adhesive 216, liquid crystal polymer application type quarter-wave plate
215, the first pressure sensitive adhesive 214, birefringence-compensated film 213, liquid crystal polymer pigments layer 212 and protective film 211.Second pressure sensitive adhesive
216 are formed in the side that touch control electrode layer 3 deviates from water oxygen barrier layer 4.The formation of liquid crystal polymer application type quarter-wave plate 215
Deviate from the side of touch control electrode layer 3 in the second pressure sensitive adhesive 216.First pressure sensitive adhesive 214 is formed in liquid crystal polymer application type four and divides
One of wave plate 215 deviate from the second pressure sensitive adhesive 216 side.Birefringence-compensated film 213 is formed in the first pressure sensitive adhesive 214 away from liquid crystal
The side of polymer-coated type quarter-wave plate 215.Liquid crystal polymer pigments layer 212 is formed in birefringence-compensated film 213 and carries on the back
Side from the first pressure sensitive adhesive 214.Protective film 211 is formed in liquid crystal polymer pigments layer 212 away from birefringence-compensated film 213
Side.
In the present embodiment, the material of birefringence-compensated film 213 is Liquid Crystalline Polymeric Materials, and birefringence-compensated film 213 is to can
Light-exposed compensation range is 0nm to 50nm, and but not limited to this.Liquid crystal polymer application type quarter-wave plate 215 is to visible
The compensation range of light is 130nm to 150nm, and but not limited to this.The advantages of cyclic olefin polymer is that water suction penetrability is smaller.It protects
The material of cuticula 211 is cyclic olefin polymer (Cyclo-olefin polymer, abbreviation COP) or polymethyl methacrylate
(Polymethyl methacrylate, abbreviation PMMA), but not limited to this.The advantages of polymethyl methacrylate is price
Cheap technology is mature.
In the present embodiment, the thickness of each layer may is that the thickness range of protective film 211 is 10um to 30um, but not with this
It is limited.The thickness range of liquid crystal polymer pigments layer 212 is 2um to 10um, and but not limited to this.Birefringence-compensated film 213
With a thickness of 2um to 30um, but not limited to this.The thickness range of first pressure sensitive adhesive 214 is 2um to 20um, but not as
Limit.The thickness of liquid crystal polymer application type quarter-wave plate 215 is 2um to 10um, and but not limited to this.Second pressure sensitive adhesive
216 thickness range is 2um to 20um, and but not limited to this.So the available thickness of second of flexible organic luminescent device
Degree is 50um ultrathin full mould group anti-reflective component below.The processing procedure of second of flexible organic luminescent device can be using coating work
Skill.The main distinction of second of flexible organic luminescent device and the first flexible organic luminescent device of the invention of the invention exists
In the thickness that can substantially reduce flexible organic luminescent device, meets the needs of ultra-thin organic luminescent device.
With continued reference to attached Figure 4 and 5, the present invention also provides a kind of Flexible Displays for making above-mentioned second of flexible display device
The manufacturing method of device, comprising the following steps:
One flexible array substrate is provided；
An organic luminescent device layer is formed in the side of flexible array substrate；
Form the side that a thin-film encapsulation layer deviates from flexible array substrate in organic luminescent device layer；
Form the side that a water oxygen barrier layer deviates from organic luminescent device layer in thin-film encapsulation layer；
Form the side that a touch control electrode layer deviates from thin-film encapsulation layer in water oxygen barrier layer；
Form the side that primary antibody reflection compensation film deviates from water oxygen barrier layer in touch control electrode layer；And
Form the side that a cover board deviates from touch control electrode layer in antireflection compensation film；
Wherein, the step of formation antireflection compensation film includes
Form the side that liquid crystal polymer application type quarter-wave plate deviates from water oxygen barrier layer in touch control electrode layer；
The side that a pair of refraction compensation film deviates from touch control electrode layer in liquid crystal polymer application type quarter-wave plate is formed,
The material of birefringence-compensated film is birefringence effect material；Wherein, the material of birefringence-compensated film is Liquid Crystalline Polymeric Materials, double
Refraction compensation film is 0nm to 50nm to the compensation range of visible light.And
A liquid crystal polymer pigments layer is formed in birefringence-compensated film away from liquid crystal polymer application type quarter-wave plate
Side.
The present invention is by birefringence-compensated film 213 to the birefringence-compensated position that macromolecule polymeric material introduces below of film 213
Phase difference compensates, and to reach " neutralization " effect, enables 21 being optimal anti-reflective effect of antireflection compensation film.The present invention
In the sub-assembly of entire flexible organic luminescent device can be using coating preparation process.
In summary, flexible display device of the invention and its manufacturing method pass through all films below antagonistic reflex compensation film
Layer carries out phase compensation, and the extra bits phase difference for reducing each tunic material below antireflection compensation film influences, and reduces entire mould group
Reflectivity, mitigate organic light emission flexible display device dark-state light leakage phenomena, alleviate organic light emission flexible display device dark-state color
Inclined phenomenon.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring substantive content of the invention.
Claims (13)
1. a kind of flexible display device, which is characterized in that including
One flexible array substrate；
One organic luminescent device layer, is formed in the side of the flexible array substrate；
One thin-film encapsulation layer is formed in the side that the organic luminescent device layer deviates from the flexible array substrate；
One water oxygen barrier layer is formed in the side that the thin-film encapsulation layer deviates from the organic luminescent device layer；
One touch control electrode layer is formed in the side that the water oxygen barrier layer deviates from the thin-film encapsulation layer；
Primary antibody reflection compensation film is formed in the side that the touch control electrode layer deviates from the water oxygen barrier layer；And
One cover board is formed in the side that the antireflection compensation film deviates from the touch control electrode layer；
Wherein, the antireflection compensation film includes
One quarter-wave plate is formed in the side that the touch control electrode layer deviates from the water oxygen barrier layer；
A pair of refraction compensation film is formed in the side that the quarter-wave plate deviates from the touch control electrode layer, described birefringent
The material of compensation film is birefringence effect material；And
One polyvinyl alcohol film is formed in the side that the birefringence-compensated film deviates from the quarter-wave plate.
2. flexible display device as described in claim 1, which is characterized in that the birefringence-compensated film includes substrate and formation
With the compensation film on the substrate, the material of the compensation film is high molecular polymer, the compensation range to visible light is-
200nm to 200nm.
3. flexible display device as claimed in claim 2, which is characterized in that the material of the compensation film is poly terephthalic acid
One of glycol ester, polyimides.
4. flexible display device as claimed in claim 2, which is characterized in that the material of the substrate is single layer cyclic olefin polymerization
Object optical compensation films, single layer polymethyl formicester optical compensation films, single layer polyimides optical compensation films, single layer are poly- to benzene
One of naphthalate optical compensation films, single polycarbonate optical compensation films or several laminations.
5. flexible display device as claimed in claim 2, which is characterized in that the antireflection compensation film further include:
One first pressure sensitive adhesive is formed between the quarter-wave plate and the birefringence-compensated film；
One second pressure sensitive adhesive, is formed between the touch control electrode layer and the quarter-wave plate；
One protective film is formed between the polyvinyl alcohol film and the cover board, and the material of the protective film is triacetyl fibre
Tie up plain hard conating.
6. flexible display device as claimed in claim 5, it is characterised in that:
The thickness range of the protective film is 10um to 50um；
The thickness range of the polyvinyl alcohol film is 3um to 50um；
The compensation film with a thickness of 3um to 50um；
The thickness range of first pressure sensitive adhesive is 1um to 30um；
The thickness range of the quarter-wave plate is 0.5um to 50um；
The thickness range of second pressure sensitive adhesive is 1um to 30um.
7. flexible display device as described in claim 1, which is characterized in that the material of the compensation film is high molecule liquid crystal material
Material, the compensation film is 0nm to 50nm to the compensation range of visible light.
8. flexible display device as claimed in claim 7, which is characterized in that it is poly- that the polyvinyl alcohol film is replaced by liquid crystal
Close object coat of colo(u)r；
The surface of the quarter-wave plate is coated with by liquid crystal polymer, compensation range of the quarter-wave plate to visible light
It is 130nm to 150nm.
9. flexible display device as claimed in claim 8, which is characterized in that the antireflection compensation film further include:
One first pressure sensitive adhesive is formed between the quarter-wave plate and the birefringence-compensated film；
One second pressure sensitive adhesive, is formed between the touch control electrode layer and the quarter-wave plate；
One protective film is formed between the polyvinyl alcohol film and the cover board, and the material of the protective film is that cycloolefin is poly-
Close object or polymethyl methacrylate.
10. flexible display device as claimed in claim 9, it is characterised in that:
The thickness range of the protective film is 10um to 30um；
The thickness range of the liquid crystal polymer pigments layer is 2um to 10um；
The compensation film with a thickness of 2um to 30um,
The thickness range of first pressure sensitive adhesive is 2um to 20um；
The thickness of the quarter-wave plate is 2um to 10um；
The thickness range of second pressure sensitive adhesive is 2um to 20um.
11. a kind of manufacturing method of flexible display device, comprising the following steps:
One flexible array substrate is provided；
An organic luminescent device layer is formed in the side of the flexible array substrate；
Form the side that a thin-film encapsulation layer deviates from the flexible array substrate in the organic luminescent device layer；
Form the side that a water oxygen barrier layer deviates from the organic luminescent device layer in the thin-film encapsulation layer；
Form the side that a touch control electrode layer deviates from the thin-film encapsulation layer in the water oxygen barrier layer；
Form the side that primary antibody reflection compensation film deviates from the water oxygen barrier layer in the touch control electrode layer；And
Form the side that a cover board deviates from the touch control electrode layer in the antireflection compensation film；
Wherein, the step of forming the antireflection compensation film include
Form the side that a quarter-wave plate deviates from the water oxygen barrier layer in the touch control electrode layer；
Form the side that a pair of refraction compensation film deviates from the touch control electrode layer in the quarter-wave plate, the birefringent benefit
The material for repaying film is birefringence effect material；And
Form the side that a polyvinyl alcohol film deviates from the quarter-wave plate in the birefringence-compensated film.
12. flexible display device as claimed in claim 11, which is characterized in that the birefringence-compensated film includes substrate and shape
At with the compensation film on the substrate, the material of the compensation film is high molecular polymer, the compensation range to visible light is-
200nm to 200nm.
13. flexible display device as claimed in claim 11, which is characterized in that the material of the compensation film is high molecule liquid crystal
Material, the compensation film are 0nm to 50nm to the compensation range of visible light；
The polyvinyl alcohol film is replaced by liquid crystal polymer pigments layer；
The surface of the quarter-wave plate is coated with by liquid crystal polymer, compensation range of the quarter-wave plate to visible light
It is 130nm to 150nm.
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Address after: 1568 Jiugong Road, Jinshan Industrial Zone, Jinshan District, Shanghai, 201506 Applicant after: Shanghai Hehui optoelectronic Co., Ltd Address before: 1568 Jiugong Road, Jinshan District, Shanghai, 201506 Applicant before: EVERDISPLAY OPTRONICS (SHANGHAI) Ltd. |
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