CN106684114B - Flexible display device and preparation method thereof - Google Patents
Flexible display device and preparation method thereof Download PDFInfo
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- CN106684114B CN106684114B CN201710005119.1A CN201710005119A CN106684114B CN 106684114 B CN106684114 B CN 106684114B CN 201710005119 A CN201710005119 A CN 201710005119A CN 106684114 B CN106684114 B CN 106684114B
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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
- H10K59/80—Constructional details
- H10K59/88—Dummy elements, i.e. elements having non-functional features
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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
- H10K59/10—OLED displays
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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
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
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Abstract
The present invention provides a kind of flexible display device and preparation method thereof.The flexible display device is by flexible solar battery group (1), flexible lithium ion battery (2), and flexible OLED display (3) fitting fits together, flexible solar battery group (1) is able to achieve to the self-charging function of flexible lithium ion battery (2) using the sun, so that flexible lithium ion battery (2) can constantly be powered for flexible OLED screen (3), since solar energy is inexhaustible, it is nexhaustible, no pollution to the environment, it can whenever and wherever possible be that flexible lithium ion battery (2) provide rechargeable energy, the convenience for greatly improving the environmental protection and energy saving of the flexible display device and using；Flexible OLED display (3), flexible lithium ion battery (2), and the design of flexible solar battery group (1) three's integrated flexible is so that it has broader practice prospect in needing curved flexible mobile phone, it can be realized flexibleization of mobile phone, keep mobile phone more frivolous and portable.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of flexible display device and preparation method thereof.
Background technique
In field of display technology, organic light-emitting diode (OLED) display screen (Organic Light Emitting Diode,
OLED) have self-luminous, driving voltage is low, luminous efficiency is high, the response time is short, clarity and contrast are high, nearly 180 ° of visual angles,
Use temperature range is wide, it can be achieved that many advantages, such as Flexible Displays are with large area total colouring, is known as most having development by industry
Potentiality.
Currently, smart phone has become for public most common electronic product.Existing smart phone display screen generally makes
It is powered with the lithium ion battery of rigidity, therefore needs the lithium ion battery for rigidity to reserve certain dress when designing mobile phone
With space, so that smart phone cannot achieve Flexible Displays truly.
In addition, the resolution ratio with display screen is higher and higher, smart phone becomes increasingly power consumption, when the lithium ion of rigidity
Need to find external power supply when dead battery capability, and grafting charging conductor charges the battery, and reduces smart phone
Portability.
Future, smart phone will be towards using the direction of more convenient, flexibility, energy conservation and environmental protection to develop, be in fact
Existing three above feature, mobile phone display screen and its power supply just need to realize flexibility and have self charge function.If
Can flexible display screen, flexible power supply power supply and flexible charging system be integrated together and be applied to smart phone, it will is big
The big convenience for increasing smart phone and using, reduces the energy consumption of mobile phone, increases the cruise duration of mobile phone.
In nature, the energy that the mankind carry out daily life in 1 year can be met by shining upon one hour energy of the earth
Demand, therefore solar battery is the power supply system of ideal lithium ion battery, will not generate atmosphere pollution, unharmful substance
Discharge and it is inexhaustible, can at any time any place be lithium ion battery charge energy is provided.
Summary of the invention
The purpose of the present invention is to provide a kind of flexible display devices, and the flexible display device energy conservation and environmental protection is easy-to-use,
Flexibleization that can be realized mobile phone on smart phone is applied, while making mobile phone more frivolous, portable.
The object of the invention is also to provide a kind of production methods of flexible display device, enable to flexible display device
Energy conservation and environmental protection, easy-to-use, the flexible display device made by this method is applied can be realized mobile phone on smart phone
Flexibleization, while making mobile phone more frivolous, portable.
To achieve the above object, present invention firstly provides a kind of flexible display device, including flexible solar battery group, with
The flexible lithium ion battery of flexible solar battery group fitting and the flexible OLED being bonded with flexible lithium ion battery are shown
Screen；
The flexible solar battery group includes the concatenated flexible solar battery of several piece, and is electrically connected flexible lithium ion
Battery charges for flexible lithium ion battery；The flexible lithium ion battery is electrically connected flexible OLED display, is flexibility OLED
Display screen power supply.
The flexible solar battery group is flexible perovskite solar battery group, including the concatenated flexible perovskite of several piece
Solar battery.
The flexible solar battery group includes four pieces of concatenated flexible perovskite solar batteries.
The quantity of flexible lithium ion battery is two pieces；First piece of flexible lithium ion battery is through first switch and flexible solar
Battery pack constitutes the first outer electrical circuit, constitutes the second outer electrical circuit through second switch and flexible OLED display；Second piece of flexibility
Lithium ion battery constitutes electrical circuit outside third with flexible solar battery group through third switch, aobvious through the 4th switch and flexibility OLED
Display screen constitutes the 4th outer electrical circuit.
The flexibility perovskite solar battery includes the soft-light anode layer stacked gradually from bottom to up, electronics collection biography
Defeated layer, perovskite light-absorption layer, hole transmission layer, to electrode layer and the first flexible package layer；
The flexible lithium ion battery includes two second flexible package layers being oppositely arranged and is clipped in two second flexible envelopes
Flexible positive electrode material layer, solid electrolyte layer and the flexible negative electrode material layer stacked gradually from bottom to up between dress layer；
The flexible negative electrode material layer of first piece of flexible lithium ion battery through first switch with it is soft in flexible solar battery group
Property perovskite solar battery soft-light anode layer be electrically connected, the flexible positive electrode material layer of first piece of flexible lithium ion battery
With being electrically connected to electrode layer for perovskite solar battery flexible in flexible solar battery group, returned to constitute the first dispatch from foreign news agency
Road；The flexible negative electrode material layer of first piece of flexible lithium ion battery is electrically connected flexible OLED display through second switch, and first
The flexible positive electrode material layer of block flexible lithium ion battery is electrically connected flexible OLED display, to constitute the second outer electrical circuit；
The flexible negative electrode material layer of second piece of flexible lithium ion battery through third switch with it is soft in flexible solar battery group
Property perovskite solar battery soft-light anode layer be electrically connected, the flexible positive electrode material layer of second piece of flexible lithium ion battery
With being electrically connected to electrode layer for perovskite solar battery flexible in flexible solar battery group, returned to constitute third dispatch from foreign news agency
Road；The flexible negative electrode material layer of second piece of flexible lithium ion battery is switched through the 4th is electrically connected flexible OLED display, and second
The flexible positive electrode material layer of block flexible lithium ion battery is electrically connected flexible OLED display, to constitute the 4th outer electrical circuit.
When the first switch is closed with the 4th switch, second switch is disconnected with third switch, flexible solar electricity
The outer electrical circuit of Chi Zujing first charges to first piece of flexible lithium ion battery, and second piece of flexible lithium ion battery is returned through the 4th dispatch from foreign news agency
Road powers to flexible OLED display；When the second switch and third switch closure, first switch and the 4th switch are disconnected
It opens, flexible solar battery group charges to second piece of flexible lithium ion battery through electrical circuit outside third, first piece of flexible lithium ion
Battery powers to flexible OLED display through the second outer electrical circuit.
The material of the first flexible package layer and the second flexible package layer is dimethyl silicone polymer；
The soft-light anode layer includes the several layers of graphene of polyimide substrate and setting on a polyimide substrate；
The material that the electronics collects transport layer is titanium dioxide；The material of the perovskite light-absorption layer is methylamine lead iodine；The hole
The material of transport layer is 2,2', two fluorenes of 7,7'- tetra- [N, N- bis- (4- methoxyphenyl) amino] -9,9'- spiral shell；It is described to electrode layer
Material be gold.
The present invention also provides a kind of production methods of flexible display device, include the following steps:
Step S1, flexible perovskite solar battery is made；
The specific manufacturing process of step S1 are as follows:
Step S11, single-layer graphene, is transferred to by coating polyimide substrate on the glass substrate with wet process transfer techniques
It in polyimide substrate, is repeated several times, forms soft-light anode layer；
Step S12, titania slurry is coated in the surface of soft-light anode layer, 150 DEG C of argons with the mode of thermal spraying
It anneals 30 minutes under gas atmosphere, forms electronics and collect transport layer；
Step S13, transmission layer surface thermal evaporation techniques first are collected in electronics and prepares iodate lead layer, be next immersed in methyl iodide
It in the aqueous isopropanol for changing ammonium, so that iodate lead layer is changed into methylamine lead iodine, is repeated several times, forms perovskite light-absorption layer；
Step S14, by 2,2', the chlorobenzene of two fluorenes of 7,7'- tetra- [N, N- bis- (4- methoxyphenyl) amino] -9,9'- spiral shell is molten
Liquid is spun to perovskite light-absorption layer, and 60 DEG C of drying form hole transmission layer；
Step S15, hot evaporation is carried out to gold, is formed on the hole transport layer to electrode layer；
Step S16, it is packaged with dimethyl silicone polymer, forms the first flexible package layer；
Step S17, polyimide substrate is separated with laser lift-off technique with glass substrate, the flexibility perovskite sun is made
It can battery；
Step S2, several piece flexibility perovskite solar battery is connected, forms flexible solar battery group；
Step S3, flexible lithium ion battery and flexible OLED display are provided, first by flexible solar battery group and flexibility
Lithium ion battery fitting, is bonded with flexible OLED display again after posting.
The flexible lithium ion battery includes two second flexible package layers being oppositely arranged and is clipped in two second flexible envelopes
Flexible positive electrode material layer, solid electrolyte layer and the flexible negative electrode material layer stacked gradually from bottom to up between dress layer, flexible lithium
The first flexible envelope that second flexible package layer of ion battery passes through the two-sided micelle colloid of transparent optical and flexible solar battery group
Fill layer fitting.
Beneficial effects of the present invention: a kind of flexible display device provided by the invention, by flexible solar battery group, flexibility
Lithium ion battery and flexible OLED display fitting fit together, and flexible solar battery may be implemented using solar energy
Group supplies that flexible lithium ion battery constantly for flexible OLED screen the self-charging function of flexible lithium ion battery
Electricity, since solar energy is inexhaustible, nexhaustible, and no pollution to the environment, it can be provided whenever and wherever possible for flexible lithium ion battery
Rechargeable energy, the convenience for greatly improving the environmental protection and energy saving of the flexible display device and using；Flexible OLED display,
The design of flexible lithium ion battery and flexible solar battery group three's integrated flexible is but also it is curved soft in needs
Property mobile phone in there is broader practice prospect, can be realized flexibleization of mobile phone, while making mobile phone more frivolous and just
It takes.The production method of flexible display device of the invention passes through fitting assembling flexible solar battery group, flexible lithium-ion electric
Flexible display device is made in pond and flexible OLED display, enables to flexible display device energy conservation and environmental protection, easy-to-use,
The flexible display device is applied to flexibleization that can be realized mobile phone on smart phone, at the same make mobile phone it is more frivolous,
It is portable, the soft-light anode layer of flexible perovskite solar battery, energy are formed on PI substrate by the way that single-layer graphene to be transferred to
Enough so that the extinction of solar battery is more abundant, battery integrally bending performance is better.
Detailed description of the invention
For further understanding of the features and technical contents of the present invention, it please refers to below in connection with of the invention detailed
Illustrate and attached drawing, however, the drawings only provide reference and explanation, is not intended to limit the present invention.
In attached drawing,
Fig. 1 is the planar structure schematic diagram of flexible display device of the invention；
Fig. 2 is the schematic perspective view of flexible perovskite solar battery in flexible display device of the invention；
Fig. 3 is the schematic perspective view of flexible lithium ion battery in flexible display device of the invention；
Fig. 4 is the schematic equivalent circuit of flexible display device of the invention；
Fig. 5 is the flow chart of the production method of flexible display device of the invention；
Fig. 6 is the flow chart of the specific manufacturing process of step S1 in the production method of flexible display device of the invention.
Specific embodiment
Further to illustrate technological means and its effect adopted by the present invention, below in conjunction with preferred implementation of the invention
Example and its attached drawing are described in detail.
Please refer to Fig. 1 to Fig. 4, the present invention provides a kind of flexible display device, including flexible solar battery group 1,
The flexible lithium ion battery 2 being bonded with flexible solar battery group 1 and the flexible OLED being bonded with flexible lithium ion battery 2
Display screen 3.The flexible solar battery group 1 includes the concatenated flexible solar battery 11 of several piece, and is electrically connected flexible lithium
Ion battery 2 charges for flexible lithium ion battery 2；The flexible lithium ion battery 2 is electrically connected flexible OLED display 3, is
Flexible OLED display 3 is powered.
Specifically, the flexible solar battery group 1 is concatenated soft for flexible perovskite solar battery group, including several piece
Property perovskite solar battery 11.Since the output voltage of flexible perovskite solar battery 11 is in 1.0V or so, in order to meet
The operating voltage of the 3.6V required when charging of flexible lithium ion battery 2 or so, preferably by four pieces of flexible perovskite solar batteries
11 are composed in series flexible solar battery group 1.
The quantity of flexible lithium ion battery 2 is two pieces；First piece of flexible lithium ion battery 2 through first switch S1 and it is flexible too
Positive energy battery pack 1 constitutes the first outer electrical circuit L1, constitutes the second outer electrical circuit through second switch S2 and flexible OLED display 3
L2；Second piece of flexible lithium ion battery 2 constitutes electrical circuit L3 outside third, warp through third switch S3 and flexible solar battery group 1
4th switch S4 and flexible OLED display 3 constitute the 4th outer electrical circuit L4.
Further, as shown in Fig. 2, the flexibility perovskite solar battery 11 includes the soft-light anode stacked gradually
Layer 111, electronics collect transport layer 112, perovskite light-absorption layer 113, hole transmission layer 114, flexible to electrode layer 115 and first
Encapsulated layer 116.As shown in figure 3, the flexible lithium ion battery 2 include the two second flexible package layers 21 that are oppositely arranged and
It is clipped in the flexible positive electrode material layer 22 stacked gradually between two second flexible package layers 21, solid electrolyte layer 23, born with flexibility
Pole material layer 24.
The material of the first flexible package layer 116 and the second flexible package layer 21 is dimethyl silicone polymer
(Polydimethylsiloxane, PDMS)；The soft-light anode layer 111 include polyimides (Polymide, PI) substrate,
And several layers of graphene (Graphene) on PI substrate are set, use PI substrate and graphene as soft-light anode layer 111,
Enable to the extinction of flexible perovskite solar battery 11 more abundant, integrally bending performance is better；The electronics is received
Integrate the material of transport layer 112 as titanium dioxide (TiO2)；The material of the perovskite light-absorption layer 113 is methylamine lead iodine
(CH3NH3PbI3)；The material of the hole transmission layer 114 is 2,2', 7,7'- tetra- [N, N- bis- (4- methoxyphenyl) amino]-
Two fluorenes of 9,9'- spiral shell (Spiro-OMeTAD)；The material to electrode layer 115 is golden (Au).
As shown in figure 4, the flexible negative electrode material layer 24 of first piece of flexible lithium ion battery 2 through first switch S1 and it is flexible too
The soft-light anode layer 111 of flexible perovskite solar battery 11 is electrically connected in positive energy battery pack 1, first piece of flexible lithium ion
The flexible positive electrode material layer 22 of battery 2 is with perovskite solar battery 11 flexible in flexible solar battery group 1 to electrode layer
115 are electrically connected, to constitute the first outer electrical circuit L1；The flexible negative electrode material layer 24 of first piece of flexible lithium ion battery 2 passes through
Second switch S2 is electrically connected flexible OLED display 3, and the flexible positive electrode material layer 22 of first piece of flexible lithium ion battery 2 is electrically
Flexible OLED display 3 is connected, to constitute the second outer electrical circuit L2；
The flexible negative electrode material layer 24 of second piece of flexible lithium ion battery 2 is through third switch S3 and flexible solar battery group
The soft-light anode layer 111 of flexible perovskite solar battery 11 is electrically connected in 1, second piece of flexible lithium ion battery 2 it is soft
Property positive electrode material layer 22 and perovskite solar battery 11 flexible in flexible solar battery group 1 electrode layer 115 is electrically connected
It connects, to constitute the outer electrical circuit L3 of third；The flexible negative electrode material layer 24 of second piece of flexible lithium ion battery 2 is through the 4th switch S4
It is electrically connected flexible OLED display 3, the flexible positive electrode material layer 22 of second piece of flexible lithium ion battery 2 is electrically connected flexibility
OLED display screen 3, to constitute the 4th outer electrical circuit L4.
When the first switch S1 and the 4th switch S4 are closed, second switch S2 is disconnected with third switch S3, flexible
In solar battery group 1 after 113 layers of absorption sunlight of perovskite light-absorption layer of flexible perovskite solar battery 11, electronics is generated
Hole pair separates immediately, and electronics collects transport layer 112 by electronics and reaches light anode layer 111, first dispatch from foreign news agency of the electronics through being connected
Circuit L1 reaches the flexible negative electrode material layer 24 of first piece of flexible lithium ion battery 2, and hole is then from flexible perovskite solar-electricity
The flexible positive electrode material layer 22 for reaching first piece of flexible lithium ion battery 2 through the first outer electrical circuit L1 to electrode layer 115 in pond 11,
Lithium ion in first piece of flexible lithium ion battery 2 deintercalation from flexible positive electrode material layer 22 simultaneously enters flexible negative electrode material layer
In 24, charge to first piece of flexible lithium ion battery 2；Simultaneously, second piece of flexible lithium ion battery 2 through being connected the 4th outside
Electrical circuit L4 powers to flexible OLED display 3.When second piece of 2 electricity of flexible lithium ion battery exhausts, the second switch
S2 is closed with third switch S3, and first switch S1 is disconnected with the 4th switch S4, and flexible solar battery group 1 is through third dispatch from foreign news agency
Circuit L3 charges to second piece of flexible lithium ion battery 2, is simultaneously filled with first piece of flexible lithium ion battery 2 of electricity through the second dispatch from foreign news agency
Circuit L2 powers to flexible OLED display 3.It loops back and forth like this, has just reached self-charging self-powered by switching respective switch
Effect, can incessantly to flexible display screen 3 power, energy cost is dramatically saved, so that the flexible display device
Use more portable convenience.Due to solar energy take no, nexhaustible to the greatest extent, and no pollution to the environment, can whenever and wherever possible be soft
Property lithium ion battery 2 provide rechargeable energy, the convenience that the environmental protection and energy saving of this flexible display device greatly improved and use
Property, if applying the flexible display device on smart phone, due to flexible OLED display 3, flexible lithium ion battery 2, with
And the design of 1 three's integrated flexible of flexible solar battery group, it can be realized flexibleization of mobile phone, while making mobile phone more
Add frivolous and portable.
Further, there is flexible printed circuit board (Flexible Printing in the flexible OLED display 3
Circuit Board, FPC), the soft-light anode layer 111 of each flexibility perovskite solar battery 11 and drawing to electrode layer 115
Foot, first piece with the flexible positive electrode material layer 22 of second piece of flexible lithium ion battery 2 and the pin point of flexible negative electrode material layer 24
It does not connect on the corresponding pin (Pin) of FPC, and above-mentioned each switch is set, by switching respective switch, so that flexible solar is electric
When pond group 1 charges to first piece of flexible lithium ion battery 2, second piece of flexible lithium ion battery 2 supplies flexible OLED display 3
Electricity；When second piece of 2 electricity of flexible lithium ion battery is finished, first piece of fully charged flexible lithium ion battery 2 continues to flexibility
OLED display screen 3 is powered, and flexible solar battery group 1 starts to charge to second piece of flexible lithium ion battery 2.
Referring to Fig. 5, and combine Fig. 1 to Fig. 4, the present invention also provides a kind of production methods of flexible display device, including
Following steps:
Step S1, flexible perovskite solar battery 11 is made.
In conjunction with Fig. 6 and Fig. 2, the specific manufacturing process of step S1 are as follows:
Step S11, PI substrate is coated on the glass substrate, and single-layer graphene is transferred to PI substrate with wet process transfer techniques
On, it is repeated several times, preferably in triplicate, that is, shifts three layers of graphene, form soft-light anode layer 111.
The translucency of three layers of graphene is 90% or more, and surface resistance is minimized.
Step S12, the TiO for being 20nm by partial size with the mode of thermal spraying2Slurry is coated in the table of soft-light anode layer 111
Face is annealed 30 minutes under 150 DEG C of argon atmospheres, is formed electronics and is collected transport layer 112；
Step S13,112 surface of transport layer first is collected in electronics prepare lead iodide (PbI with thermal evaporation techniques2) layer, then
Immerse methylpyridinium iodide ammonium (CH3NH3I in aqueous isopropanol), so that PbI2Layer is changed into CH3NH3PbI3, it is repeated several times, preferably
In triplicate, perovskite light-absorption layer 113 is formed.
Step S14, the chlorobenzene solution of Spiro-OMeTAD is spun to 113,60 DEG C of perovskite light-absorption layer drying, is formed empty
Cave transport layer 114.
Step S15, hot evaporation is carried out to Au, is formed on hole transmission layer 114 to electrode layer 115.
Step S16, it is packaged with PDMS, forms the first flexible package layer 116.
Step S17, PI substrate is separated with laser lift-off technique with glass substrate, the calcium of flexible self-supporting has so far been made
Titanium ore solar battery 11.
Single-layer graphene is transferred to the flexibility that flexible perovskite solar battery 11 is formed on PI substrate by above-mentioned steps S11
Light anode layer 111 enables to the extinction of flexible perovskite solar battery 11 more abundant, and integrally bending performance is better.
Step S2, several piece flexibility perovskite solar battery 11 is connected, forms flexible solar battery group 1.
Step S3, flexible lithium ion battery 2 and flexible OLED display 3 are provided, first by flexible solar battery group 1 with it is soft
Property lithium ion battery 2 be bonded, be bonded again with flexible OLED display 3 after posting.
Specifically, as shown in figure 3, the flexible lithium ion battery 2 include be oppositely arranged two second flexible package layers 21,
And it is clipped in flexible positive electrode material layer 22, the solid electrolyte layer stacked gradually from bottom to up between two second flexible package layers 21
23, with flexible negative electrode material layer 24.Second flexible package layer 21 of flexible lithium ion battery 2 passes through transparent optical double-sided adhesive
First flexible package layer 116 of (Optically Clear Adhesive, OCA) and flexible solar battery group 1 faces face paste
It is combined.
The production method of above-mentioned flexible display device passes through fitting assembling flexible solar battery group 1, flexible lithium-ion electric
Flexible display device is made in pond 2 and flexible OLED display 3, flexible display device energy conservation and environmental protection is enabled to, using just
The flexible display device is applied flexibleization that can be realized mobile phone on smart phone by benefit, while making mobile phone lighter
It is thin, portable.
In conclusion flexible display device of the invention, by flexible solar battery group, flexible lithium ion battery and
Flexible OLED display fitting fits together, and flexible solar battery group may be implemented to flexible lithium-ion electric using solar energy
The self-charging function in pond is powered flexible lithium ion battery constantly for flexible OLED screen, since solar energy takes
Not to the utmost, nexhaustible, and no pollution to the environment, rechargeable energy can be provided whenever and wherever possible for flexible lithium ion battery, greatly
The convenience for improving the environmental protection and energy saving of the flexible display device and using；Flexible OLED display, flexible lithium ion battery,
And the design of flexible solar battery group three's integrated flexible is but also it has more in needing curved flexible mobile phone
Wide application prospect can be realized flexibleization of mobile phone, while make mobile phone more frivolous and portable.Flexibility of the invention
The production method of display device, it is aobvious by fitting assembling flexible solar battery group, flexible lithium ion battery and flexibility OLED
Flexible display device is made in display screen, enables to flexible display device energy conservation and environmental protection, easy-to-use, which is answered
With can be realized flexibleization of mobile phone on smart phone, while making mobile phone more frivolous, portable, by by mono-layer graphite
Alkene is transferred to the soft-light anode layer that flexible perovskite solar battery is formed on PI substrate, enables to the suction of solar battery
Light is more abundant, and battery integrally bending performance is better.
The above for those of ordinary skill in the art can according to the technique and scheme of the present invention and technology
Other various corresponding changes and modifications are made in design, and all these change and modification all should belong to the appended right of the present invention
It is required that protection scope.
Claims (9)
1. a kind of flexible display device, which is characterized in that including flexible solar battery group (1) and flexible solar battery group
(1) flexible lithium ion battery (2) being bonded and the flexible OLED display (3) being bonded with flexible lithium ion battery (2)；
The flexible solar battery group (1) includes the concatenated flexible solar battery of several piece, and is electrically connected flexible lithium ion
Battery (2) charges for flexible lithium ion battery (2)；The flexible lithium ion battery (2) is electrically connected flexible OLED display
(3), it powers for flexible OLED display (3)；
The quantity of flexible lithium ion battery (2) is two pieces；First piece of flexible lithium ion battery (2) is through first switch (S1) and flexible
Solar battery group (1) constitutes the first outer electrical circuit (L1), constitutes second through second switch (S2) and flexible OLED display (3)
Outer electrical circuit (L2)；Second piece of flexible lithium ion battery (2) constitutes the through third switch (S3) and flexible solar battery group (1)
Three outer electrical circuits (L3) constitute the 4th outer electrical circuit (L4) through the 4th switch (S4) and flexible OLED display (3).
2. flexible display device as described in claim 1, which is characterized in that the flexible solar battery group (1) is flexibility
Perovskite solar battery group, including the concatenated flexible perovskite solar battery (11) of several piece.
3. flexible display device as claimed in claim 2, which is characterized in that the flexible solar battery group includes four pieces of strings
The flexible perovskite solar battery (11) of connection.
4. flexible display device as claimed in claim 2, which is characterized in that the flexibility perovskite solar battery (11) is wrapped
Include the soft-light anode layer (111) stacked gradually from bottom to up, electronics collect transport layer (112), perovskite light-absorption layer (113),
Hole transmission layer (114), to electrode layer (115) and the first flexible package layer (116)；
The flexible lithium ion battery (2) includes two second flexible package layers (21) being oppositely arranged and to be clipped in two second soft
Property encapsulated layer (21) between stack gradually from bottom to up flexible positive electrode material layer (22), solid electrolyte layer (23), with it is flexible
Negative electrode material layer (24).
5. flexible display device as claimed in claim 4, which is characterized in that the flexibility of first piece of flexible lithium ion battery (2)
Negative electrode material layer (24) flexible perovskite solar battery (11) in first switch (S1) and flexible solar battery group (1)
Soft-light anode layer (111) is electrically connected, and the flexible positive electrode material layer (22) and flexibility of first piece of flexible lithium ion battery (2) are too
It is positive electrode layer (115) to be electrically connected flexible perovskite solar battery (11) in battery pack (1), to constitute outside first
Electrical circuit (L1)；The flexible negative electrode material layer (24) of first piece of flexible lithium ion battery (2) is electrically connected through second switch (S2)
The flexible positive electrode material layer (22) of flexible OLED display (3), first piece of flexible lithium ion battery (2) is electrically connected flexibility OLED
Display screen (3), to constitute the second outer electrical circuit (L2)；
The flexible negative electrode material layer (24) of second piece of flexible lithium ion battery (2) is through third switch (S3) and flexible solar battery
The soft-light anode layer (111) of flexible perovskite solar battery (11) is electrically connected in group (1), second piece of flexible lithium-ion electric
Pair of flexible perovskite solar battery (11) in the flexible positive electrode material layer (22) in pond (2) and flexible solar battery group (1)
Electrode layer (115) is electrically connected, to constitute the outer electrical circuit (L3) of third；The flexibility of second piece of flexible lithium ion battery (2) is negative
Pole material layer (24) is electrically connected flexible OLED display (3) through the 4th switch (S4), second piece of flexible lithium ion battery (2)
Flexible positive electrode material layer (22) is electrically connected flexible OLED display (3), to constitute the 4th outer electrical circuit (L4).
6. flexible display device as claimed in claim 5, which is characterized in that the first switch (S1) and the 4th switch (S4)
When being closed, second switch (S2) is disconnected with third switch (S3), and flexible solar battery group (1) is through the first outer electrical circuit
(L1) it charges to first piece of flexible lithium ion battery (2), second piece of flexible lithium ion battery (2) is right through the 4th outer electrical circuit (L4)
Flexible OLED display (3) power supply；When the second switch (S2) and third switch (S3) are closed, first switch (S1) and the
Four switches (S4) disconnect, and flexible solar battery group (1) is through electrical circuit outside third (L3) to second piece of flexible lithium ion battery
(2) it charges, first piece of flexible lithium ion battery (2) powers to flexible OLED display (3) through the second outer electrical circuit (L2).
7. flexible display device as claimed in claim 4, which is characterized in that the first flexible package layer (116) and second
The material of flexible package layer (21) is dimethyl silicone polymer；
The soft-light anode layer (111) includes the several layers of graphene of polyimide substrate and setting on a polyimide substrate；
The material that the electronics collects transport layer (112) is titanium dioxide；The material of the perovskite light-absorption layer (113) is methylamine lead
Iodine；The material of the hole transmission layer (114) is 2,2', 7,7'- tetra- [N, N- bis- (4- methoxyphenyl) amino] -9,9'- spiral shell
Two fluorenes；The material to electrode layer (115) is gold.
8. a kind of production method of flexible display device, which comprises the steps of:
Step S1, flexible perovskite solar battery (11) is made；
The specific manufacturing process of step S1 are as follows:
Step S11, coating polyimide substrate on the glass substrate, is transferred to polyamides for single-layer graphene with wet process transfer techniques
It on imines substrate, is repeated several times, is formed soft-light anode layer (111)；
Step S12, titania slurry is coated in the surface of soft-light anode layer (111), 150 DEG C of argons with the mode of thermal spraying
It anneals 30 minutes under gas atmosphere, forms electronics and collect transport layer (112)；
Step S13, transport layer (112) surface thermal evaporation techniques first are collected in electronics and prepares iodate lead layer, be next immersed in methyl
It in the aqueous isopropanol of ammonium iodide, so that iodate lead layer is changed into methylamine lead iodine, is repeated several times, forms perovskite light-absorption layer
(113)；
Step S14, by 2,2', the chlorobenzene solution of two fluorenes of 7,7'- tetra- [N, N- bis- (4- methoxyphenyl) amino] -9,9'- spiral shell revolves
It is coated onto perovskite light-absorption layer (113), 60 DEG C of drying are formed hole transmission layer (114)；
Step S15, hot evaporation is carried out to gold, is formed on hole transmission layer (114) to electrode layer (115)；
Step S16, it is packaged with dimethyl silicone polymer, forms the first flexible package layer (116)；
Step S17, polyimide substrate is separated with laser lift-off technique with glass substrate, flexibility perovskite solar-electricity is made
Pond (11)；
Step S2, several piece flexibility perovskite solar battery (11) is connected, is formed flexible solar battery group (1)；
Step S3, flexible lithium ion battery (2) and flexible OLED display (3) are provided, first by flexible solar battery group (1) with
Flexible lithium ion battery (2) fitting, is bonded with flexible OLED display (3) again after posting.
9. the production method of flexible display device as claimed in claim 8, which is characterized in that the flexible lithium ion battery
(2) include two second flexible package layers (21) being oppositely arranged and be clipped between two second flexible package layers (21) from down toward
On stack gradually flexible positive electrode material layer (22), solid electrolyte layer (23), with flexible negative electrode material layer (24), flexible lithium from
Second flexible package layer (21) of sub- battery (2) pass through the two-sided micelle colloid of transparent optical and flexible solar battery group (1) the
The fitting of one flexible package layer (116).
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| CN108511543A (en) * | 2018-01-25 | 2018-09-07 | 北京创昱科技有限公司 | A kind of integrated energy resource supply product and preparation method thereof and equipment |
| CN108878487B (en) * | 2018-06-26 | 2021-03-30 | 武汉华星光电技术有限公司 | Display device and method for manufacturing the same |
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