CN109873014A - Flexible display panels and preparation method thereof, electronic device - Google Patents
Flexible display panels and preparation method thereof, electronic device Download PDFInfo
- Publication number
- CN109873014A CN109873014A CN201910114024.2A CN201910114024A CN109873014A CN 109873014 A CN109873014 A CN 109873014A CN 201910114024 A CN201910114024 A CN 201910114024A CN 109873014 A CN109873014 A CN 109873014A
- Authority
- CN
- China
- Prior art keywords
- display panels
- flexible display
- nano particle
- flexible
- flexible substrates
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The present invention provides a kind of flexible display panels and preparation method thereof, electronic device, it the advantage is that, hydrophilic nano particle is added in the flexible substrates of flexible display panels, the ability of the oxygen that blocks water of flexible substrates can be enhanced under the premise of not increasing the thickness of flexible substrates, to provide the performance of flexible display panels.
Description
Technical field
The present invention relates to display fields more particularly to a kind of flexible display panels and preparation method thereof, electronic device.
Background technique
In recent years, OLED (Organic Light Emitting Diode, Organic Light Emitting Diode) display technology develops
It advances by leaps and bounds, OLED product receives increasingly due to having many advantages, such as that frivolous, response is fast, wide viewing angle, high contrast, flexibility
More concerns and application, is mainly used in the display fields such as mobile phone, plate, TV.
Fig. 1 is the structural schematic diagram of flexible OLED display panel, referring to Fig. 1, flexible OLED display panel is from bottom to top
It mainly include polyimide-based bottom 10, tft layer 11, OLED luminescent layer 12, thin-film encapsulation layer 13.OLED's shines
Principle is to deposit OLED luminescent layer between two electrodes, passes to electric current to OLED luminescent layer, is injected by carrier and compound
And cause to shine.It in flexible OLED display technology, generallys use polyimides (PI) and replaces traditional substrate of glass, to realize
Folding and Flexible Displays.
Wherein, OLED shows that structure is water oxygen sensitive device, can property in order to improve the water oxygen of flexible OLED display panel
Patience, industry mostly use greatly the thickness for increasing PI or the method using bilayer PI.Its shortcoming is that it is aobvious both to increase OLED
Show the integral thickness of panel, and preparation process is complicated.
Summary of the invention
The technical problem to be solved by the invention is to provide flexible display panels and preparation method thereof, electronic device.
To solve the above-mentioned problems, the present invention provides a kind of flexible display panels comprising a flexible substrates, described
The spongy nano particle of distribution in flexible substrates.
In one embodiment, the nano particle is the particle of core-shell structure, wherein the core in the core-shell structure is parent
Oiliness particle, the shell in the core-shell structure are hydrophilic particle.
In one embodiment, the nano particle is polystyrene-poly n-isopropyl acrylamide, and polystyrene is core,
Poly-N-isopropyl acrylamide is shell.
In one embodiment, the quality of the nano particle is the 0.2%~2% of the flexible substrates gross mass.
In one embodiment, the partial size of the nano particle is 40~400nm.
In one embodiment, the nano particle is one of polyacrylic acid, polymethylacrylic acid, polylactic acid or several
The compound of kind.
In one embodiment, the flexible display panels further include the film crystal being successively set in the flexible substrates
Tube layer, organic luminous layer and thin-film encapsulation layer.
The present invention also provides a kind of production methods of above-mentioned flexible display panels comprising following steps: preparation nanometer
Particle；The nano particle is mixed with flexible substrates solution, forms mixture；The mixture is coated on a support plate
On, form the flexible substrates；Multiple device layers are sequentially formed in the flexible substrates；The support plate is removed, institute is formed
State flexible display panels.
In one embodiment, specifically, described soft the step of sequentially forming multiple device layers in the flexible substrates
Tft layer, organic luminous layer and thin-film encapsulation layer are sequentially formed in property substrate.
The present invention also provides a kind of electronic devices comprising above-mentioned flexible display panels.
It is an advantage of the current invention that adding hydrophilic nano particle in the flexible substrates of flexible display panels, do not increasing
The ability that the oxygen that blocks water of flexible substrates can be enhanced under the premise of adding the thickness of flexible substrates, to provide flexible display panels
Performance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of flexible OLED display panel；
Fig. 2 is the structural schematic diagram of an embodiment of flexible display panels of the present invention.
Specific embodiment
With reference to the accompanying drawing to the specific implementation of flexible display panels provided by the invention and preparation method thereof, electronic device
Mode elaborates.
Fig. 2 is the structural schematic diagram of an embodiment of flexible display panels of the present invention.Referring to Fig. 2, the present invention is flexible aobvious
Show that panel includes the flexible substrates 20 set gradually, a tft layer 21, organic luminous layer 22 and thin-film encapsulation layer 23.
Wherein, the tft layer 21, the organic luminous layer 22 and the thin-film encapsulation layer 23 are this field conventional structure,
It repeats no more.
In the present embodiment, the flexible substrates 20 are polyimide substrate (PI), certainly, in other embodiments of the invention
In, the flexible substrates 20 can also be substrate made of other conventional flexible materials, for example, the flexible substrates 20 are poly-
One of urethane, polyethersulfone resin, polyethylene naphthalate, polyvinyl alcohol and polyether-ether-ketone are a variety of.
Spongy nano particle 201 is distributed in the flexible substrates 20.The nano particle 201 of water imbibition uniformly divides
Cloth is in the flexible substrates 20.The nano particle 201 has hydrophily, has preferable water oxygen absorbability, Neng Gouzeng
The performance of the oxygen that blocks water of strong flexible substrates 20, to improve the performance of flexible display panels, and the nano particle 201 has height
Specific surface area, it is strong to the adsorption capacity of water oxygen, the performance of the oxygen that blocks water of flexible substrates 20 can be further enhanced.Wherein, exist
In the present embodiment, the particle size range of the nano particle 201 is 40~400nm, so that the flexible substrates 20 are not influencing it
The good oxygen performance that blocks water is had both while the effect of itself.
The nano particle 201 can be one of polyacrylic acid, polymethylacrylic acid, polylactic acid or several compound
Object.Preferably, the nano particle 201 is the particle of core-shell structure, wherein the core in the core-shell structure is lipophilic particle,
It can mix with the solution of flexible substrates 20, and the shell in the core-shell structure is hydrophilic particle, have with water oxygen good
Binding ability so that the nano particle 201 can be combined preferably with flexible substrates 20 and good be blocked water
Oxygen performance.
Specifically, in the present embodiment, the nano particle 201 is polystyrene-poly n-isopropyl acrylamide
(PS-PNIPAm), wherein polystyrene is core, and poly-N-isopropyl acrylamide is shell.Polystyrene is lipophilicity, energy and polyamides
Imide liquor preferably mixes, and poly-N-isopropyl acrylamide is hydrophily, has preferable binding ability with water；And nano particle has
There is the characteristic of high-specific surface area, it is strong to the adsorption capacity of water oxygen；Polystyrene-poly n-isopropyl acrylamide is water-setting simultaneously
Glue has extremely strong water oxygen absorbability；In addition, adjusting polystyrene and the controllable nano particle of N-isopropylacrylamide ratio
Water absorbing properties；Therefore, the flexible substrates 20 added with polystyrene-poly n-isopropyl acrylamide nano particle obstruct water oxygen
Ability enhancing, and then the water oxygen for improving OLED display panel can property patience.
Preferably, in the present embodiment, the quality of the nano particle 201 is 20 gross mass of flexible substrates
0.2%~2%.That is, when nano particle is polystyrene-poly n-isopropyl acrylamide, the matter of nano particle 201
Amount be 20 gross mass of flexible substrates 0.2%~2%, can the flexible substrates 20 in the effect for not influencing itself
The good oxygen performance that blocks water is had both simultaneously.
The present invention also provides a kind of production methods of above-mentioned flexible display panels.Specifically, the production method includes
Following steps:
(a) nano particle is prepared.The difference of the material of the nano particle can be wherein directed to and use corresponding method system
It is standby.For example, in the present embodiment, the nano particle is polystyrene-poly n-isopropyl acrylamide (PS-PNIPAm), then
Emulsifier-Free Copolymerization method can be used and prepare the polystyrene-poly n-isopropyl acrylamide nanometer that diameter is 40~400nm
Grain, and saved after purification.Certainly, the present invention does not limit the method for preparing the nano particle, those skilled in the art
The method that this field others have disclosed can also be used and prepare the nano particle.
(b) nano particle is mixed with flexible substrates solution, forms mixture.
Specifically, the nano particle that step (a) is formed is dispersed in the flexible substrates solution, formed
Mixture.For example, in the present embodiment, the polystyrene-poly n-isopropyl acrylamide nano particle that step (a) is formed is equal
It is even to be dispersed in polyimide solution, wherein the polystyrene-poly n-isopropyl acrylamide nanoparticle mass is described
The 0.2%~2% of polyimide solution gross mass.Wherein, the polystyrene-poly n-isopropyl acrylamide is nucleocapsid knot
Structure, polystyrene are core, and poly-N-isopropyl acrylamide is shell.Polystyrene is lipophilicity, can be preferable with polyimide solution
It mixes.
(c) mixture is coated in a support plate, forms the flexible substrates.
Specifically, the mixture that step (b) is formed is coated on a glass substrate, and be formed by curing described soft
Property substrate, the nano particle are evenly distributed in the flexible substrates.
(d) multiple device layers are sequentially formed in the flexible substrates.
Specifically, sequentially forming tft layer, organic luminous layer and thin-film encapsulation layer in the flexible substrates
Etc. flexible display panels routine device layer,
(e) support plate is removed, the flexible display panels are formed.
Specifically, removing the support plate using physics or chemical method, the flexible display panels are obtained.
The present invention also provides a kind of electronic devices comprising above-mentioned flexible display panels.It should be understood that the electronics
Device includes but is not limited to mobile phone, tablet computer, computer display, game machine, television set, display screen, wearable sets
Standby and other living electric apparatus or household electrical appliance having a display function etc..
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (10)
1. a kind of flexible display panels, which is characterized in that including a flexible substrates, water imbibition is distributed in the flexible substrates
Nano particle.
2. flexible display panels according to claim 1, which is characterized in that the nano particle is of core-shell structure
Grain, wherein the core in the core-shell structure is lipophilic particle, the shell in the core-shell structure is hydrophilic particle.
3. flexible display panels according to claim 2, which is characterized in that the nano particle is polystyrene-poly N-
N-isopropylacrylamide, polystyrene are core, and poly-N-isopropyl acrylamide is shell.
4. flexible display panels according to claim 3, which is characterized in that the quality of the nano particle is the flexibility
The 0.2%~2% of substrate gross mass.
5. flexible display panels according to claim 1, which is characterized in that the partial size of the nano particle be 40~
400nm。
6. flexible display panels according to claim 1, which is characterized in that the nano particle is polyacrylic acid, poly- first
One of base acrylic acid, polylactic acid or several compounds.
7. flexible display panels according to claim 1, which is characterized in that the flexible display panels further include successively setting
Set tft layer, organic luminous layer and thin-film encapsulation layer in the flexible substrates.
8. a kind of production method of flexible display panels described in claim 1~7 any one, which is characterized in that including such as
Lower step:
Prepare nano particle；
The nano particle is mixed with flexible substrates solution, forms mixture；
The mixture is coated in a support plate, the flexible substrates are formed；
Multiple device layers are sequentially formed in the flexible substrates；
The support plate is removed, the flexible display panels are formed.
9. the production method of flexible display panels according to claim 8, which is characterized in that in the flexible substrates according to
The step of secondary formation multiple device layers, in the flexible substrates specifically, sequentially form tft layer, organic luminous layer
And thin-film encapsulation layer.
10. a kind of electronic device, which is characterized in that including flexible display panels described in claim 1~7 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910114024.2A CN109873014A (en) | 2019-02-14 | 2019-02-14 | Flexible display panels and preparation method thereof, electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910114024.2A CN109873014A (en) | 2019-02-14 | 2019-02-14 | Flexible display panels and preparation method thereof, electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109873014A true CN109873014A (en) | 2019-06-11 |
Family
ID=66918745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910114024.2A Pending CN109873014A (en) | 2019-02-14 | 2019-02-14 | Flexible display panels and preparation method thereof, electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109873014A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112365805A (en) * | 2020-12-09 | 2021-02-12 | 合肥维信诺科技有限公司 | Manufacturing method of cover plate and display module |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940659A (en) * | 2014-03-26 | 2014-07-23 | 中国科学院化学研究所 | Sensor with hydrophilic-hydrophobic structure and application |
| US20150188084A1 (en) * | 2014-01-02 | 2015-07-02 | Samsung Display Co., Ltd. | Flexible organic light-emitting display apparatus and method of manufacturing the same |
| CN106654042A (en) * | 2016-12-13 | 2017-05-10 | 武汉华星光电技术有限公司 | Flexible oled display and manufacturing method thereof |
| CN106848105A (en) * | 2017-04-17 | 2017-06-13 | 京东方科技集团股份有限公司 | A kind of display panel and preparation method thereof |
| CN107706311A (en) * | 2017-09-18 | 2018-02-16 | 武汉华星光电半导体显示技术有限公司 | A kind of OLED preparation method and corresponding OLED |
| CN109065755A (en) * | 2018-08-03 | 2018-12-21 | 武汉华星光电半导体显示技术有限公司 | Display panel and packing component |
-
2019
- 2019-02-14 CN CN201910114024.2A patent/CN109873014A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150188084A1 (en) * | 2014-01-02 | 2015-07-02 | Samsung Display Co., Ltd. | Flexible organic light-emitting display apparatus and method of manufacturing the same |
| CN103940659A (en) * | 2014-03-26 | 2014-07-23 | 中国科学院化学研究所 | Sensor with hydrophilic-hydrophobic structure and application |
| CN106654042A (en) * | 2016-12-13 | 2017-05-10 | 武汉华星光电技术有限公司 | Flexible oled display and manufacturing method thereof |
| CN106848105A (en) * | 2017-04-17 | 2017-06-13 | 京东方科技集团股份有限公司 | A kind of display panel and preparation method thereof |
| CN107706311A (en) * | 2017-09-18 | 2018-02-16 | 武汉华星光电半导体显示技术有限公司 | A kind of OLED preparation method and corresponding OLED |
| CN109065755A (en) * | 2018-08-03 | 2018-12-21 | 武汉华星光电半导体显示技术有限公司 | Display panel and packing component |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112365805A (en) * | 2020-12-09 | 2021-02-12 | 合肥维信诺科技有限公司 | Manufacturing method of cover plate and display module |
| CN112365805B (en) * | 2020-12-09 | 2022-07-26 | 合肥维信诺科技有限公司 | Manufacturing method of cover plate and display module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100424551C (en) | Liquid crystal display device and method of fabricating the same | |
| US8486318B2 (en) | Fiber, fiber aggregate and adhesive having the same | |
| TWI446062B (en) | Transparent conductive films containing carbon nanotubes and the touch panel | |
| CN106057723A (en) | Microcomponent transfer method and device, and electronic equipment | |
| US20180105724A1 (en) | Sealing agent, liquid crystal panel, liquid crystal display device and fabricating method thereof | |
| WO2015003468A1 (en) | Frame sealing glue and preparation method thereof, and display device containing same | |
| WO2017092516A1 (en) | Embedded touch panel having high resistance film and display device | |
| CN104968752A (en) | Optical-member adhesive composition, optical-member adhesive layer, and surface light source device | |
| CN108155289A (en) | Memory device based on graphene oxide/polyaniline/gold nanoparticle composite material and preparation method thereof | |
| CN111613653B (en) | Display panel and display device | |
| CN109666417B (en) | Adhesive tape capable of being unstuck and preparation method thereof | |
| CN109873014A (en) | Flexible display panels and preparation method thereof, electronic device | |
| KR101444374B1 (en) | Waterproof thin film for mobile device | |
| CN105913764A (en) | Display screen and display device | |
| CN110137232A (en) | Organic light emitting display panel and display device | |
| WO2021012452A1 (en) | Anisotropic conductive film, display panel and display panel manufacturing method | |
| CN107315218A (en) | Quantum dot polaroid | |
| US10208252B2 (en) | Ethylene-vinyl acetate copolymer, liquid crystal film layer, display panel and preparing method thereof | |
| KR20070025778A (en) | Anisotropic conductive film and flat panel display using the same and method for manufacturing the same | |
| CN207182935U (en) | Transparent conducting film and touch screen | |
| KR20180018066A (en) | Display components having Quantum Dot-silica Composites, and Display thereof | |
| KR102062482B1 (en) | Method for uniformly dispersing single layer nickel plated conductive particle in polymer film by applying megnetic field and method for producing anisotropic conductive file using the same | |
| CN105647548B (en) | Orientation agent, the production method of alignment film, display panel and display device | |
| CN108933163B (en) | Display panel, display device and preparation method of display panel | |
| US20210328180A1 (en) | Encapsulation thin film, method of manufacturing encapsulation thin film, organic light-emitting display panel, and method of manufacturing organic light-emitting display panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190611 |
|
| RJ01 | Rejection of invention patent application after publication |