CN109166890A - Flexible display panels and preparation method thereof and flexible display apparatus - Google Patents
Flexible display panels and preparation method thereof and flexible display apparatus Download PDFInfo
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- CN109166890A CN109166890A CN201810998292.0A CN201810998292A CN109166890A CN 109166890 A CN109166890 A CN 109166890A CN 201810998292 A CN201810998292 A CN 201810998292A CN 109166890 A CN109166890 A CN 109166890A
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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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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
- H10K77/10—Substrates, e.g. flexible substrates
- H10K77/111—Flexible substrates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
Abstract
The invention discloses a kind of flexible display panels and preparation method thereof and flexible display apparatus, the flexible display panels, comprising: positive piezoelectric thin film layer, the first insulation material layer and the second insulation material layer；The positive piezoelectric thin film layer is formed between first insulation material layer and second insulation material layer, and in flexible display panels bending, the stress transmission generated by its deformation is electric energy by the positive piezoelectric thin film layer.By forming positive piezoelectric thin film layer, internal stress when flexible display panels bending can be lowered, help to improve the bending resistance and display performance of flexible display panels.
Description
Technical field
The present invention relates to field of display technology more particularly to flexible display panels and preparation method thereof and Flexible Displays to fill
It sets.
Background technique
Organic electroluminescent LED OLED (Organic light-emitting diodes, OLED) have self-luminous,
The advantages that visual angle is wide and low in energy consumption, OLED device can be used as light-emitting component in display panel, is fabricated to OLED display panel,
Flexible substrates can be used in substrate in OLED display panel, are fabricated to display panel flexible.
Flexible OLED display panel easily bends in its production and use process, flexible OLED display panel bending
When, stress can be generated in its layer of structure, flexible OLED display panel may will affect its display after multiple bending operation
Performance, therefore, how to reduce the stress generated when the bending of flexible OLED display panel is problem to be solved.
Summary of the invention
The present invention provides a kind of flexible display panels and preparation method thereof and flexible display apparatus, to solve in the related technology
Deficiency.
According to a first aspect of the embodiments of the present invention, a kind of flexible display panels are provided, comprising:
Positive piezoelectric thin film layer, the first insulation material layer and the second insulation material layer, the positive piezoelectric thin film layer be include having
There is the film layer of the material of direct piezoelectric effect；
The positive piezoelectric thin film layer is formed between first insulation material layer and second insulation material layer, in institute
When stating flexible display panels bending, the stress transmission generated by its deformation is electric energy by the positive piezoelectric thin film layer.
Optionally, further includes:
First insulation material layer is the first flexible substrates, and second insulation material layer is the second flexible substrates.
Optionally, further includes:
Third flexible substrates；
Be sequentially formed on the third flexible base board organic display functional layer, first insulation material layer, it is described just
Piezoelectric thin film layer and second insulation material layer；
First insulation material layer is thin-film encapsulation layer, and second insulation material layer is optical adhesive layer.
Optionally, the positive piezoelectric thin film layer is transparent positive piezoelectric thin film layer.
It optionally, include the material with positive voltage effect in the material of the positive piezoelectric thin film layer, it is described that there is positive pressure
The material of electrical effect is Kynoar, the high molecular material containing epoxy resin-base, the high score containing PVC base system
Any one of sub- material, the high molecular material containing polyurethane matrix or material containing organosilicon polymer matrix or
Any two or more combination.
According to a second aspect of the embodiments of the present invention, a kind of preparation method of flexible display panels is provided, comprising:
Positive piezoelectric thin film layer, the first insulation material layer and the second insulation material layer are formed, the positive piezoelectric thin film layer is packet
Include the film layer of the material with direct piezoelectric effect；
The positive piezoelectric thin film layer is formed between first insulation material layer and second insulation material layer, in institute
When stating flexible display panels bending, the positive piezoelectric thin film layer will be generated in first insulation material layer and second insulation
Stress transmission in material layer is electric energy.
It is optionally, described to form positive piezoelectric thin film layer, the first insulation material layer and the second insulation material layer, comprising:
First insulation material layer is provided；
The positive piezoelectric thin film layer is formed on first insulation material layer；
The second insulation material layer is formed on the positive piezoelectric thin film layer；
First insulation material layer is the first flexible substrates, and second insulation material layer is the second flexible substrates.
Optionally, positive piezoelectric thin film layer, the first insulation material layer and the second insulation material layer are being formed, before further include:
Third flexible substrates are provided；
Organic display function layer is formed in the third flexible substrates；
It is described to form positive piezoelectric thin film layer, the first insulation material layer and the second insulation material layer, comprising:
The first insulation material layer, positive piezoelectric thin film layer and the second insulation material are sequentially formed in the organic display functional layer
The bed of material；
First insulation material layer is thin-film encapsulation layer, and second insulation material layer is optical adhesive layer.
Optionally, the organic display functional layer includes thin film transistor array layer, anode layer, organic luminous layer and cathode
Layer.
According to a third aspect of the embodiments of the present invention, a kind of flexible display apparatus is provided, comprising: described in any of the above embodiments
Flexible display panels.
According to the above technical scheme it is found that the flexible display panels can be lowered flexible aobvious by forming positive piezoelectric thin film layer
Show internal stress when panel bending, help to improve the bending resistance and display performance of flexible display panels, and passes through the
One insulation material layer and the second insulation material layer completely cut off the electric energy that positive piezoelectric thin film layer generates, and will not influence flexible display panels
Display effect.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is the cross section structure schematic diagram of the flexible display panels shown in one embodiment of the invention；
Fig. 2 is the cross section structure schematic diagram of the flexible display panels shown in another embodiment of the present invention；
Fig. 3 is the work flow diagram of the preparation method of the flexible display panels shown in one embodiment of the invention；
Fig. 4 is the work flow diagram of the preparation method of the flexible display panels shown in another embodiment of the present invention.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
Flexible display panels have the characteristics that it is flexible, for flexible display panels, reduce bending when its inside answer
Power helps to improve its bending ability and display performance.
Accordingly, the embodiment of the present invention provides a kind of flexible display panels, comprising:
Positive piezoelectric thin film layer, the first insulation material layer and the second insulation material layer；
Positive piezoelectric thin film layer is formed between the first insulation material layer and the second insulation material layer, curved in flexible display panels
The stress transmission generated by its deformation is electric energy by Qu Shi, positive piezoelectric thin film layer.
Positive piezoelectric thin film layer is the film layer of the material production with direct piezoelectric effect, and direct piezoelectric effect refers to certain dielectrics
Material when being deformed in a certain direction by the effect of external force, inside can generate polarization phenomena, while in dielectric material
There is positive and negative opposite charge on two apparent surfaces of material, after external force is removed, dielectric substance can be restored to not charged again
State.
Flexible display panels generally include a variety of layers of structure, such as thin film transistor array layer, insulating layer and flatness layer etc.,
For the flexible display panels using OLED luminescent device, flexible display panels mainly include being formed on a flexible substrate
Thin film transistor array layer, anode layer, organic luminous layer, cathode layer and thin-film encapsulation layer etc..
Above-mentioned the first insulation material layer and the second insulation material layer refers to the layer in flexible display panels with insulation performance,
Positive piezoelectric thin film layer is clipped between the first insulation material layer and the second insulation material layer, and positive piezoelectric thin film layer is imitated with positive piezoelectricity
It answers, can be electric energy because of the stress transmission that deformation generates by it, since the positive piezoelectric membrane can incite somebody to action when flexible display panels bending
Stress transmission is electric energy, therefore the stress that its releasable deformation generates, and positive piezoelectric thin film layer is formed in the first insulating materials
Between layer and the second insulation material layer, positive piezoelectric thin film layer is also indirectly reduced to the first insulation material layer and the second insulation material
The stress of the bed of material facilitates the internal stress for reducing flexible display panels.
Also, the first insulation material layer and the second insulation material layer can completely cut off the electric energy that positive piezoelectric thin film layer generates, and can prevent
Only its influence to the display device formed in flexible display panels, does not influence the display effect of flexible display panels.
Seen from the above description, the flexible display panels can lower flexible display panels by forming positive piezoelectric thin film layer
Internal stress when bending helps to improve the bending resistance and display performance of flexible display panels, and passes through the first insulation
Material layer and the second insulation material layer completely cut off the electric energy that positive piezoelectric thin film layer generates, and will not influence the display effect of flexible display panels
Fruit.
Fig. 1 is the cross section structure schematic diagram for the flexible display panels that an exemplary embodiment of the invention provides, referring to Fig.1 institute
Show, which includes:
First flexible substrates 11 and the second flexible substrates 12, form between the first flexible substrates 11 and the second flexible substrates 12
There is positive piezoelectric thin film layer 20, can also further form the structure of display unit 30 in the second flexible substrate 12.
In the present embodiment, using the first flexible substrates as the first insulation material layer, the second flexible substrates are as the second insulation
Material layer, positive piezoelectric thin film layer are formed between the first flexible substrates and the second flexible substrates.
First flexible substrates and the second flexible substrates are the substrate made of flexible material, and flexible material is, for example, polyamides
Imines PI (Polyimide, abbreviation PI) polymer, polycarbonate (Polycarbonate, abbreviation PC) resin, also referred to as PC
Plastics, poly terephthalic acid class PET (Polyethylene terephthalate, abbreviation PET) plastics etc., the first flexible substrates
It can be with the identical material of material or different materials with the second flexible substrates.
Above-mentioned first flexible substrates and the second flexible substrates are the substrate for carrying display cell structure, and two bases are arranged
Bottom is in order to which positive piezoelectric thin film layer to be disposed there between, to completely cut off the electric energy that positive piezoelectric thin film layer generates.
The structure of display unit may include a variety of film layers, and the type of specific structure and display panel that display unit includes has
It closes, for carrying out luminous OLED display panel using OLED device, the structure of display unit for example includes that machine is shown
Functional layer；For liquid crystal display panel, the structure of display unit is for example including thin film transistor array layer, pixel electrode layer
With common electrode layer etc., the structure of display unit does not limit herein.
When flexible display panels bending, it will appear tensile stress in the side external surface towards protrusion, it is recessed in direction
Side inner surface will appear compression, and since the first flexible substrates and the second flexible substrates are located at outermost, when flexibility is aobvious
When showing panel bending, biggish tensile stress or compression existing for meeting in two flexible substrates, by positive piezoelectric thin film layer shape
At that between two flexible substrates, can reduce the stress generated in two flexible substrates due to deformation, the further flexibility that improves is shown
Show the bending resistance of panel.
Fig. 2 is the cross section structure schematic diagram for the flexible display panels that another exemplary embodiment of the present invention provides, referring to Fig. 2
Shown, which includes:
Third flexible substrates 13；
Organic display functional layer 40, thin-film encapsulation layer 50, positive piezoelectric thin film layer are sequentially formed on third flexible base board 13
20 and optical adhesive layer 51；
In the present embodiment, it regard thin-film encapsulation layer 50 as the first insulation material layer, optical adhesive layer 51 is used as the second insulation material
The bed of material, positive piezoelectric thin film layer 20 are formed between thin-film encapsulation layer 50 and optical adhesive layer 51.
Third flexible substrates are the substrate made of flexible material, for carrying each layer being arranged on, for example, organic
Display function layer, thin-film encapsulation layer, positive piezoelectric thin film layer and optical adhesive layer etc..
Organic display functional layer 40 is for example including thin film transistor array layer 41, anode layer 42, organic luminous layer 43 and yin
Pole layer 44 etc., organic luminous layer may include luminescent layer and hole injection layer, hole transmission layer, electronic barrier layer, hole resistance
The combination of barrier, electron transfer layer, one layer in electron injecting layer or multilayer, thin film transistor array layer is to control each OLED
Each layer needed for the luminous circuit of device, for example including grid layer, gate insulation layer, active layer, source-drain electrode layer, flatness layer and pixel
Define layer etc..
It is formed with organic display functional layer in third flexible substrates, flexible OLED display panel, flexible OLED can be formed
Display panel is not only flexible, and has the characteristics that lightening, low in energy consumption and visual angle is wide, can be widely applied to various with display
In the product of function, such as in tablet computer, TV, mobile terminal and wearable device.
For flexible OLED display panel, organic luminous layer therein is more sensitive to water and oxygen, therefore, film envelope
Dress layer is covered on organic luminous layer, can play the role of obstructing water oxygen, to protect OLED device.
The laminated construction being arranged alternately by organic layer and inorganic layer, the layer of organic layer and inorganic layer can be used in thin-film encapsulation layer
Number can be 3 layers, 5 layers of structure, the odd-levels structure such as 7 layers of structure.
The material of inorganic layer can for example be selected from aluminium oxide, zinc oxide, titanium oxide, silica, silicon nitride and zirconium oxide
One or more of combination；The material of organic layer can for example be selected from polyvinyl alcohol, urethane acrylate polymer, gather
The combination of one or more of imide resin.
Inorganic layer has the oxygen performance that preferably blocks water, but its tough sexual intercourse is poor, and elasticity is lower, is unfavorable for when dispersion is bent
Deformational stress, and organic layer has preferable toughness, can play the role of discharging stress and sweep along dust, therefore uses organic layer
The mode being arranged alternately with inorganic layer not only can guarantee the oxygen effect that preferably blocks water, but also have flexible OLED display panel preferably
Toughness, it can be achieved that better packaging effect.
Above-mentioned thin-film encapsulation layer and optical adhesive layer is formed positive piezoelectric thin film layer closer to the outside of flexible display panels
Between thin-film encapsulation layer and optical adhesive layer, since deformation is in thin-film encapsulation layer and light when can reduce flexible display panels bending
The larger stress that glue-line generates is learned, the bending resistance of flexible display panels is helped to improve.
It include the material with direct piezoelectric effect in the material of above-mentioned positive piezoelectric thin film layer, it is described that there is direct piezoelectric effect
Material be Kynoar PVDF (Polyvinylidene fluoride, abbreviation PVDF), the height containing epoxy resin-base
Molecular material, contains poly- ammonia at the high molecular material containing polyvinylchloride (Polyvinyl chloride, abbreviation PVC) matrix
Appointing in the high molecular material of ester PU (polyurethane, abbreviation PU) matrix or the material containing organosilicon polymer matrix
One or any two or more combination.
High molecular material containing epoxy resin-base refers to containing the high-molecular compound of the basic functional group of epoxy resin, contains
There is the high molecular material of PVC base system to refer to containing the high-molecular compound of the basic functional group of polyvinyl chloride, contains polyurethane
The high molecular material of body refers to the high-molecular compound containing the basic functional group of polyurethane, the material containing organosilicon polymer matrix
Refer in molecular structure and contain element silicon, and is connected with the polymer of organo-functional group on silicon atom.
Positive piezoelectric thin film layer can be the film layer formed by the material with direct piezoelectric effect or positive piezoelectric thin film layer
Material in addition to including the above-mentioned material with direct piezoelectric effect, can also including other organic materials (such as polyimides),
Using the composite material of material and the formation of other organic materials with direct piezoelectric effect as the material for preparing positive piezoelectric thin film layer.
Preferably, the film layer that positive piezoelectric thin film layer uses Kynoar PVDF to be formed, the material have both fluororesin and
The characteristic of resins for universal use, in addition to direct piezoelectric effect, also have good heat-resisting quantity characteristic, can filming, formed thickness
Therefore the positive piezoelectric thin film layer with transparent effect can be made, raising Flexible Displays are not only facilitated for micron-sized film layer
The brightness of panel, it may also be used for make transparent flexible display panels.
Specification is needed, referring to shown in Fig. 2, above-mentioned flexible display panels can also include flexible cover plate 60, soft
Property cover board 60 be arranged in optical adhesive layer 51, flexible cover plate 60 can be bonded by optical adhesive layer 51, to play fixed flexible cover plate
60 effect, flexible cover plate 60 are covered on above-mentioned organic display functional layer 40, thin-film encapsulation layer 50,20 and of positive piezoelectric thin film layer
In optical adhesive layer 51, it can play the role of protecting organic display functional layer.
Flexible cover plate can with to be manufactured with the same or different flexible material of the first flexible substrates.
OCA layers of optical cement (Optically Clear Adhesive, abbreviation OCA) is a kind of extraordinary bonding agent, has nothing
The transparent characteristic of color, for light transmission rate 90% or more, cementing strength is good, helps preferably to fix flexible cover plate.
Also, in the present embodiment, positive piezoelectric thin film layer is formed in thin-film encapsulation layer, can further play barrier water oxygen
Effect, protect OLED device, improve service life and the luminescent quality of OLED device.
The embodiment of the invention also provides a kind of preparation methods of flexible display panels, comprising:
Form positive piezoelectric thin film layer, the first insulation material layer and the second insulation material layer；
The positive piezoelectric thin film layer is formed between first insulation material layer and second insulation material layer, in institute
When stating flexible display panels bending, the positive piezoelectric thin film layer will be generated in first insulation material layer and second insulation
Stress transmission in material layer is electric energy.
The preparation method is the method for preparing above-mentioned flexible display panels, and existing technique can be used and form above-mentioned positive piezoelectricity
Film layer, the first insulation material layer and the second insulation material layer, details are not described herein again.
In some instances, as shown in figure 3, described form positive piezoelectric thin film layer, the first insulation material layer and the second insulation
Material layer, comprising:
S10, the first flexible substrates are provided；
S11, positive piezoelectric thin film layer is formed in the first flexible substrates；
S12, the second flexible substrates are formed on positive piezoelectric thin film layer.
Above-mentioned preparation method is the method for preparing flexible display panels shown in FIG. 1, and the first flexible substrates are exhausted as first
Edge material layer, the second flexible substrates are as the second insulation material layer.
In an optional embodiment, as shown in figure 4, the preparation method of flexible display panels may include:
Step S20, third flexible substrates are provided；
Step S21, organic display function layer, thin-film encapsulation layer, positive piezoelectric thin film layer are sequentially formed in third flexible substrates
And optical adhesive layer.
Above-mentioned preparation method is the method for preparing flexible display panels shown in Fig. 2, and thin-film encapsulation layer is as the first insulation
Material layer, optical adhesive layer is as the second insulation material layer.
Optionally, the organic display functional layer includes thin film transistor array layer, anode layer, organic luminous layer and cathode
Layer.
It is above-mentioned to form organic display function layer, thin-film encapsulation layer, positive piezoelectric thin film layer and optical adhesive layer on a flexible substrate
Technique existing technique can be used realize, for example, thin for forming thin film transistor array layer, thin-film encapsulation layer, positive piezoelectricity
For film layer and optical adhesive layer, patterning processes or other printing technology etc., patterning processes can be used for example, the painting of photoresist
It covers, expose, developing, etching and/or the process of the removing of photoresist；For forming anode layer, organic luminous layer and cathode layer
Vacuum evaporation process etc. can be used in technique, and details are not described herein again for detailed process.
The embodiment of the invention also provides a kind of flexible display apparatus, comprising: flexibility described in any of the above-described embodiment is aobvious
Show panel.
OLED display described above includes display panel described in above-described embodiment.The display device can be used as electricity
Sub- paper, mobile phone, tablet computer, television set, display, laptop, Digital Frame, navigator, wearable device etc. are any
Products or components having a display function.
Those skilled in the art are considering specification and after practicing disclosure disclosed herein, will readily occur to of the invention its
Its embodiment.The present invention is directed to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
Person's adaptive change follows general principle of the invention and including the undocumented common knowledge in the art of the present invention
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by following
Claim is pointed out.
Claims (10)
1. a kind of flexible display panels characterized by comprising
Positive piezoelectric thin film layer, the first insulation material layer and the second insulation material layer, the positive piezoelectric thin film layer are to include with just
The film layer of the material of piezoelectric effect；
The positive piezoelectric thin film layer is formed between first insulation material layer and second insulation material layer, described soft
Property display panel bending when, the positive piezoelectric thin film layer by the stress transmission generated by its deformation be electric energy.
2. panel according to claim 1, which is characterized in that further include:
First insulation material layer is the first flexible substrates, and second insulation material layer is the second flexible substrates.
3. panel according to claim 1, which is characterized in that further include:
Third flexible substrates；
Organic display functional layer, first insulation material layer, the positive piezoelectricity are sequentially formed on the third flexible base board
Film layer and second insulation material layer；
First insulation material layer is thin-film encapsulation layer, and second insulation material layer is optical adhesive layer.
4. panel according to claim 1-3, which is characterized in that
The positive piezoelectric thin film layer is transparent positive piezoelectric thin film layer.
5. panel according to claim 1-3, which is characterized in that
It include the material with positive voltage effect in the material of the positive piezoelectric thin film layer, the material with direct piezoelectric effect
For Kynoar, the high molecular material containing epoxy resin-base, the high molecular material containing PVC base system, contains and gather
Any one of the high molecular material of urethane matrix or material containing organosilicon polymer matrix are any two or more
Combination.
6. a kind of preparation method of flexible display panels characterized by comprising
Form positive piezoelectric thin film layer, the first insulation material layer and the second insulation material layer, the positive piezoelectric thin film layer be include tool
There is the film layer of the material of direct piezoelectric effect；
The positive piezoelectric thin film layer is formed between first insulation material layer and second insulation material layer, described soft
Property display panel bending when, the positive piezoelectric thin film layer will generate in first insulation material layer and second insulating materials
Stress transmission on layer is electric energy.
7. preparation method according to claim 6, it is characterised in that:
It is described to form positive piezoelectric thin film layer, the first insulation material layer and the second insulation material layer, comprising:
First insulation material layer is provided；
The positive piezoelectric thin film layer is formed on first insulation material layer；
The second insulation material layer is formed on the positive piezoelectric thin film layer；
First insulation material layer is the first flexible substrates, and second insulation material layer is the second flexible substrates.
8. preparation method according to claim 6, which is characterized in that forming positive piezoelectric thin film layer, the first insulating materials
Layer and the second insulation material layer, before further include:
Third flexible substrates are provided；
Organic display function layer is formed in the third flexible substrates；
It is described to form positive piezoelectric thin film layer, the first insulation material layer and the second insulation material layer, comprising:
The first insulation material layer, positive piezoelectric thin film layer and the second insulating materials are sequentially formed in the organic display functional layer
Layer；
First insulation material layer is thin-film encapsulation layer, and second insulation material layer is optical adhesive layer.
9. preparation method according to claim 8, which is characterized in that
The organic display functional layer includes thin film transistor array layer, anode layer, organic luminous layer and cathode layer.
10. a kind of flexible display apparatus characterized by comprising the described in any item flexible display panels of claim 1-5.
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| CN111694455A (en) * | 2019-03-15 | 2020-09-22 | 陕西坤同半导体科技有限公司 | Display panel and display device thereof |
| CN111276521A (en) * | 2020-02-11 | 2020-06-12 | 深圳市华星光电半导体显示技术有限公司 | Flexible display module and display device |
| CN114267253A (en) * | 2021-12-29 | 2022-04-01 | Oppo广东移动通信有限公司 | Display module and electronic device |
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