CN103066217B - Method for preparing super-hydrophobic film for encapsulating flexible organic luminescent device - Google Patents
Method for preparing super-hydrophobic film for encapsulating flexible organic luminescent device Download PDFInfo
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- CN103066217B CN103066217B CN201310018941.3A CN201310018941A CN103066217B CN 103066217 B CN103066217 B CN 103066217B CN 201310018941 A CN201310018941 A CN 201310018941A CN 103066217 B CN103066217 B CN 103066217B
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- 230000003075 superhydrophobic effect Effects 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000000243 solution Substances 0.000 claims abstract description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 14
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000004793 Polystyrene Substances 0.000 claims abstract description 13
- 229920002223 polystyrene Polymers 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000008096 xylene Substances 0.000 claims abstract description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 7
- 239000007864 aqueous solution Substances 0.000 claims abstract description 7
- 239000008367 deionised water Substances 0.000 claims abstract description 7
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 7
- 238000004528 spin coating Methods 0.000 claims abstract description 7
- 239000010408 film Substances 0.000 claims description 31
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 16
- 229910052782 aluminium Inorganic materials 0.000 claims description 16
- 239000004411 aluminium Substances 0.000 claims description 16
- 229910052809 inorganic oxide Inorganic materials 0.000 claims description 16
- 239000010409 thin film Substances 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000002209 hydrophobic effect Effects 0.000 abstract description 6
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 238000005538 encapsulation Methods 0.000 abstract 1
- 238000011010 flushing procedure Methods 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 230000008676 import Effects 0.000 description 4
- 238000005401 electroluminescence Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Abstract
The invention discloses a method for preparing a super-hydrophobic film for encapsulating a flexible organic luminescent device. The super-hydrophobic film is prepared through the following steps: a first step of spin-coating polystyrene xylene solutions on the surface of the organic luminescent device and then covering a layer of inorganic pellumina on the spin-coated solutions, and a second step of dissolving the inorganic pellumina through natrium hydroxydatum (NAOH) aqueous solutions after 24 hours, flushing a few times with deionized water at room temperature, drying with nitrogen for 24 hours, and then the super-hydrophobic film is formed. The super-hydrophobic film for encapsulating the flexible organic luminescent device has the advantages of being good in transparency, good in waterproof performance, simple in manufacture method, having good hydrophobic effects, enabling the super-hydrophobic angle to reach 130 degrees, enabling the encapsulating efficiency to be greatly improved and the like. The method for preparing the super-hydrophobic film for encapsulating the flexible organic luminescent device is an ideal flexible encapsulation method and has good practicality.
Description
Technical field
The present invention relates to organic electroluminescence device field, being specifically related to a kind of based superhydrophobic thin films for encapsulating flexible organic luminescent device and application thereof.
Background technology
ORGANIC ELECTROLUMINESCENCE DISPLAYS, compared with other forms of display, can realize Flexible Displays.This is also the important advantage place of compared with other display mode one of organic luminescent device.For flexible organic luminescent device, traditional method for packing because its cover plate is inflexibility, because of but cannot to use.At present, flexible package method comprises monofilm package method, multilayer film package method.The reasons such as multilayer film package method is due to complex process, and vacuum equipment is expensive, light transmission difference, also cannot carry out large area production, so its development is restricted.Also well not there is the method for water isolating in the monofilm package method reported.
Summary of the invention
Technical problem: complicated in order to overcome single thin film packaging manufacturing process, the problem that packaging effect is not good, the object of this invention is to provide that a kind of hydrophobicity is good, the preparation method of the based superhydrophobic thin films for encapsulating flexible organic luminescent device of good stability.
Technical scheme: the technical scheme that the preparation method of the based superhydrophobic thin films for encapsulating flexible organic luminescent device of the present invention adopts is as follows:
Polystyrene xylene solution is spun on organic luminescent device surface, then inorganic oxide aluminium film is covered on the solution of spin coating; After 24h, with the NAOH aqueous solution, inorganic oxide aluminium film is dissolved, at room temperature with deionized water rinsing repeatedly, and to dry up with nitrogen, after dry 24h, namely make superhydrophobic film.
The collocation method of described polystyrene xylene solution is: be that the polystyrene of 100000g/mol is dissolved in 30mL xylene solution by 10g molal weight.
Described is spun on organic luminescent device surface by polystyrene xylene solution, is to be spun on organic luminescent device surface with 2000r/min.
Described inorganic oxide aluminium film is 13mm aperture inorganic oxide aluminium film.
Beneficial effect: with existing single thin film method for packing first than, the based superhydrophobic thin films for encapsulating flexible organic luminescent device of the present invention, good except having light transmission, outside the features such as water isolating is good, and manufacture method is simple; Also have good hydrophobic effect, super-hydrophobic angle reaches 130 °, and packaging efficiency is improved greatly, is a kind of desirable flexible package method, has good practicality.
Specific embodiments
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment 1
Be that the polystyrene of 100000g/mol is dissolved in 30mL xylene solution by 10g molal weight, fully after mixing, dissolve 24h.After flexible organic luminescent device prepares, import in glove box.In glove box, the solution dissolved is spun on organic luminescent device surface with 2000r/min, then the inorganic oxide aluminium film (being purchased from whatman company of Britain) in 13mm aperture is covered on the good organic film of spin coating.After 24h, be that inorganic oxide aluminium film dissolves by the NAOH aqueous solution of 3 moles by concentration, at room temperature use deionized water rinsing 10 times, and dry up with nitrogen, after dry 24h, namely can be made into superhydrophobic film.
This is used for the based superhydrophobic thin films encapsulating flexible organic luminescent device, good except having light transmission, outside the features such as water isolating is good, and manufacture method is simple; Also have good hydrophobic effect, super-hydrophobic angle reaches 130 °, and packaging efficiency is improved greatly, is a kind of desirable flexible package method, has good practicality.
Embodiment 2
Be that the polystyrene of 100000g/mol is dissolved in 30mL xylene solution by 12g molal weight, fully after mixing, dissolve 30h.After flexible organic luminescent device prepares, import in glove box.In glove box, the solution dissolved is spun on organic luminescent device surface with 2200r/min, then the inorganic oxide aluminium film (being purchased from whatman company of Britain) in 13mm aperture is covered on the good organic film of spin coating.After 30h, be that inorganic oxide aluminium film dissolves by the NAOH aqueous solution of 3 moles by concentration, at room temperature use deionized water rinsing 8 times, and dry up with nitrogen, after dry 24h, namely can be made into superhydrophobic film.
By testing for encapsulating flexible organic luminescent device, this superhydrophobic film is good except having light transmission, outside the features such as water isolating is good, and manufacture method is simple; Also have good hydrophobic effect, super-hydrophobic angle reaches 130 °, and packaging efficiency is improved greatly.
Embodiment 3
Be that the polystyrene of 100000g/mol is dissolved in 30mL xylene solution by 8g molal weight, fully after mixing, dissolve 20h.After flexible organic luminescent device prepares, import in glove box.In glove box, the solution dissolved is spun on organic luminescent device surface with 2000r/min, then the inorganic oxide aluminium film (being purchased from whatman company of Britain) in 13mm aperture is covered on the good organic film of spin coating.After 24h, be that inorganic oxide aluminium film dissolves by the NAOH aqueous solution of 3 moles by concentration, at room temperature use deionized water rinsing 12 times, and dry up with nitrogen, after dry 24h, namely can be made into superhydrophobic film.
By testing for encapsulating flexible organic luminescent device, this superhydrophobic film is good except having light transmission, outside the features such as water isolating is good, and manufacture method is simple; Also have good hydrophobic effect, super-hydrophobic angle reaches 130 °, and packaging efficiency is improved greatly.
Embodiment 4
Be that the polystyrene of 100000g/mol is dissolved in 30mL xylene solution by 15g molal weight, fully after mixing, dissolve 35h.After flexible organic luminescent device prepares, import in glove box.In glove box, the solution dissolved is spun on organic luminescent device surface with 2000r/min, then the inorganic oxide aluminium film (being purchased from whatman company of Britain) in 13mm aperture is covered on the good organic film of spin coating.After 24h, be that inorganic oxide aluminium film dissolves by the NAOH aqueous solution of 3 moles by concentration, at room temperature use deionized water rinsing 10 times, and dry up with nitrogen, after dry 24h, namely can be made into superhydrophobic film.
By testing for encapsulating flexible organic luminescent device, this superhydrophobic film is good except having light transmission, outside the features such as water isolating is good, and manufacture method is simple; Also have good hydrophobic effect, super-hydrophobic angle reaches 130 °, and packaging efficiency is improved greatly.
Claims (2)
1. one kind for encapsulating the preparation method of the based superhydrophobic thin films of flexible organic luminescent device, it is characterized in that: this preparation method is: polystyrene xylene solution is spun on organic luminescent device surface, then inorganic oxide aluminium film is covered on the solution of spin coating; After 24h, with the NAOH aqueous solution, inorganic oxide aluminium film is dissolved, at room temperature with deionized water rinsing repeatedly, and to dry up with nitrogen, after dry 24h, namely make superhydrophobic film.
2. the preparation method of the based superhydrophobic thin films for encapsulating flexible organic luminescent device according to claim 1, is characterized in that: the collocation method of described polystyrene xylene solution is: be that the polystyrene of 100000g/mol is dissolved in 30mL xylene solution by 10g molal weight.
3, the preparation method of the based superhydrophobic thin films for encapsulating flexible organic luminescent device according to claim 1, it is characterized in that: described is spun on organic luminescent device surface by polystyrene xylene solution, is be spun on organic luminescent device surface with 2000r/min.
4, the preparation method of the based superhydrophobic thin films for encapsulating flexible organic luminescent device according to claim 1, is characterized in that: described inorganic oxide aluminium film is 13mm aperture inorganic oxide aluminium film.
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| CN110085767A (en) * | 2013-12-18 | 2019-08-02 | 上海天马有机发光显示技术有限公司 | A kind of organic light-emitting display device of hydrophobic organic film encapsulation |
| CN107104040A (en) * | 2016-02-23 | 2017-08-29 | 北京大学 | The anode fabrication method of gallium nitride Schottky diode |
| CN106252530A (en) * | 2016-10-11 | 2016-12-21 | 赛特斯信息科技股份有限公司 | A kind of QLED method for packing isolating water oxygen |
| CN109980118A (en) * | 2017-12-27 | 2019-07-05 | 宁波长阳科技股份有限公司 | A kind of water vapor rejection film |
| CN108565355A (en) * | 2018-04-24 | 2018-09-21 | 武汉华星光电半导体显示技术有限公司 | Packaging film and preparation method thereof, display panel |
| CN110600530A (en) * | 2019-10-22 | 2019-12-20 | 京东方科技集团股份有限公司 | Display substrate and display device |
| CN113013336A (en) * | 2021-02-24 | 2021-06-22 | 宁波诺丁汉新材料研究院有限公司 | Method for packaging organic photoelectric device based on composite material |
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| JPS5418974A (en) * | 1977-07-11 | 1979-02-13 | Fuji Photo Film Co Ltd | Fabrication of cloth print |
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Application publication date: 20130424 Assignee: Jiangsu Nanyou IOT Technology Park Ltd. Assignor: NANJING University OF POSTS AND TELECOMMUNICATIONS Contract record no.: 2016320000215 Denomination of invention: Method for preparing super-hydrophobic film for encapsulating flexible organic luminescent device Granted publication date: 20150506 License type: Common License Record date: 20161118 |
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Effective date of registration: 20170628 Address after: 201100 Shanghai city Minhang District Zhuan Hing Road No. 888 Patentee after: SHANGHAI ZIJIANG COLOUR PRINTING & PACKAGING Co.,Ltd. Address before: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20170628 Address after: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 210003 Nanjing City, Jiangsu Province, the new model road No. 66 Patentee before: NANJING University OF POSTS AND TELECOMMUNICATIONS |
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Assignee: Jiangsu Nanyou IOT Technology Park Ltd. Assignor: NANJING University OF POSTS AND TELECOMMUNICATIONS Contract record no.: 2016320000215 Date of cancellation: 20180116 |
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Effective date of registration: 20200903 Address after: 243000 workshop 2 and 4, Chengdu Machinery and electronics Pioneer Park, Lianhe Road, zhengpugang New District, Ma'anshan City, Anhui Province Patentee after: Anhui Zijiang Composite Technology Co.,Ltd. Address before: No. 888, Zhuan Xing Road, Minhang District, Shanghai Patentee before: SHANGHAI ZIJIANG COLOUR PRINTING & PACKAGING Co.,Ltd. |
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