CN106129090A - A kind of linear pixel defines Rotating fields and preparation method thereof - Google Patents
A kind of linear pixel defines Rotating fields and preparation method thereof Download PDFInfo
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- CN106129090A CN106129090A CN201610585890.6A CN201610585890A CN106129090A CN 106129090 A CN106129090 A CN 106129090A CN 201610585890 A CN201610585890 A CN 201610585890A CN 106129090 A CN106129090 A CN 106129090A
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- pixel
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- rotating fields
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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
- H10K59/122—Pixel-defining structures or layers, e.g. banks
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
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- Microelectronics & Electronic Packaging (AREA)
- Electroluminescent Light Sources (AREA)
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Abstract
A kind of linear pixel defines the preparation method of Rotating fields, comprises the steps: the A. insulating barrier in substrate surface deposition lyophobicity；B. can dissolve the solvent of insulating barrier in surface of insulating layer printing, form pixel wall and pixel limits district；C. carrying out oxonium ion bombardment processing, the insulating barrier remained in pixel limits district is removed, and now overall structure is lyophily state；D. carrying out heat treatment so that insulant part recovers lyophobicity, pixel limits district and keeps lyophily state.The present invention defines layer by obtaining pixel at surface of insulating layer printing solvent, its pixel limits district and has lyophily, be conducive to sprawling of solution, pixel wall has lyophobicity, it is possible to prevent solution to overflow, and owing to this insulant is only soluble in its specific solvent, be possible to prevent luminescent layer solution to corrode pixel and define layer.Have the advantages that preparation technology is simple, stock utilization is high.
Description
Technical field
The present invention relates to technical field of semiconductors, particularly relate to a kind of linear pixel and define Rotating fields and preparation side thereof
Method.
Background technology
Organic Light Emitting Diode OLED (Organic light emitting diode) is a kind of electroluminescent of organic film
Optical device, in order to carry out colored display, needs OLED colorization.Colorization effect is most preferably arranged side by side (side-by-
Side) mode.Being arranged side by side is to have three sub-pixels of RGB in a pixel coverage, and each pixel is independent luminous single
Unit.Inkjet printing can be utilized solution precise Printing to pixel region, form luminescent layer.But due to print formed drop with
Dot structure is in same dimension scale, in order to ensure that the accuracy printed avoids solution to spill over neighbor structure, inclines at present
Layer is defined to using pixel.
In prior art, pixel defines layer and is made up of two-layer, and ground floor (lower floor) is made up of lyophilic material, the second layer (on
Layer) it is made up of lyophobic material, it is typically all and is prepared by the method for photoetching, preparation process is complicated, and stock utilization is low.
Therefore, not enough for prior art, it is provided that a kind of preparation technology is simple, define layer knot with the less linear pixel of material
The preparation method of structure is to overcome prior art deficiency the most necessary.
Summary of the invention
There is provided in place of it is an object of the invention to avoid the deficiencies in the prior art a kind of linear pixel define Rotating fields and
Its preparation method, this linear pixel defines the preparation method of Rotating fields, and to have technique simple, by the less feature of material.
The above-mentioned purpose of the present invention is realized by following technological means.
There is provided a kind of linear pixel to define the preparation method of Rotating fields, comprise the steps:
A. at the insulating barrier of substrate surface deposition lyophobicity；
B. print at surface of insulating layer and can dissolve the solvent of insulating barrier, the solvent of printing make the insulating barrier that dissolves because
Coffee toroidal effect is piled up and is formed pixel wall, pixel wall the pixel surrounding correspondence limits district；
C. the structure formed step B carries out oxonium ion bombardment processing, and the insulating barrier remained in pixel limits district is removed,
Now overall structure is lyophily state；
D. the structure that step C-shaped becomes being carried out heat treatment so that insulant part recovers lyophobicity, pixel limits district and protects
Hold lyophily state, obtain linear pixel and define Rotating fields..
Preferably, concrete employing spin-coating method depositing insulating layer in above-mentioned steps A.
Preferably, the material of the insulating barrier in above-mentioned steps A is cytop.
Preferably, above-mentioned steps B specifically uses the method for inkjet printing to print solvent at surface of insulating layer.
Preferably, the temperature of the heat treatment in above-mentioned steps D is not less than 180 degrees Celsius, and heat treatment time is no less than 5 points
Clock.
Preferably, the temperature of the heat treatment in above-mentioned steps D is 190 to 350 degrees Celsius, and heat treatment time is 6 to 20 points
Clock.
Preferably, the temperature of the heat treatment in above-mentioned steps D is 200 to 300 degrees Celsius, and heat treatment time is 6 to 10 points
Clock.
Preferably, the temperature of the heat treatment in above-mentioned steps D is 249 degrees Celsius, and heat treatment time is 7.8 minutes.
Preferably, the substrate in above-mentioned steps A is ITO or glass or thin polymer film.
Present invention simultaneously provides a kind of linear pixel and define Rotating fields, be prepared from by said method.
The linear pixel of the present invention defines the preparation method of Rotating fields, comprises the steps: that A. dredges in substrate surface deposition
The insulating barrier of fluidity；B. can dissolve the solvent of insulating barrier in surface of insulating layer printing, the solvent of printing makes the insulation dissolved
Layer forms pixel wall because coffee toroidal effect is piled up, pixel wall the pixel surrounding correspondence limits district；C. knot step B formed
Structure carries out oxonium ion bombardment processing, and the insulating barrier remained in pixel limits district is removed, and now overall structure is lyophily state；D.
The structure that step C-shaped becomes being carried out heat treatment so that insulant part recovers lyophobicity, pixel limits district and keeps lyophily shape
State.The present invention defines layer by obtaining pixel at surface of insulating layer printing solvent, and its pixel limits district and has lyophily, is conducive to
Sprawling of solution, pixel wall has lyophobicity, is possible to prevent solution to overflow, and to be only soluble in it the most molten due to this insulant
Agent, is possible to prevent luminescent layer solution to corrode pixel and defines layer.In sum, the linear pixel of the present invention defines the preparation of Rotating fields
Method has the advantages that preparation technology is simple, stock utilization is high.
Accompanying drawing explanation
The present invention is further illustrated to utilize accompanying drawing, but the content in accompanying drawing does not constitute any limit to the present invention
System.
Fig. 1 is the schematic diagram that a kind of linear pixel of the present invention defines the dot structure prepared by preparation method of Rotating fields.
Fig. 2 is the schematic diagram of the independent linear structure printed by the method for the present invention.
Fig. 3 is the schematic diagram of the contiguous pixels structure printed by the method for the present invention.
Detailed description of the invention
The invention will be further described with the following Examples.
Embodiment 1.
A kind of linear pixel defines the preparation method of Rotating fields, carries out as follows:
A. at the insulating barrier of substrate surface deposition lyophobicity.Concrete employing spin-coating method depositing insulating layer, insulating barrier in step A
Material be cytop.Substrate can be ITO or glass or thin polymer film or other substrates.
B. print at surface of insulating layer and can dissolve the solvent of insulating barrier, the solvent of printing make the insulating barrier that dissolves because
Coffee toroidal effect is piled up and is formed pixel wall, pixel wall the pixel surrounding correspondence limits district.Fig. 1 is showing of the acquaintanceship structure of printing
Being intended to, dot structure is U-shaped, and pixel limits district 1,2 has few insulant to remain, and 3 is the pixel wall formed.
The method that specifically can use inkjet printing prints solvent, by adjusting printed droplets spacing, can be needed
Dot matrix, linear pixel structure, different drop spacing can obtain various sizes of linear structure, and Fig. 2, Fig. 3 are two kinds of knots
The schematic diagram of structure.
C. the structure formed step B carries out oxonium ion bombardment processing, and the insulating barrier remained in pixel limits district is removed,
Now overall structure is lyophily state.
D. the structure that step C-shaped becomes being carried out heat treatment so that insulant part recovers lyophobicity, pixel limits district and protects
Hold lyophily state, obtain linear pixel and define Rotating fields.The temperature of the heat treatment in step D is not less than 180 degrees Celsius, heat treatment
Time is no less than 5 minutes.
The present invention, by the insulating barrier in substrate surface spin coating lyophobicity, prints solvent at surface of insulating layer, can obtain
Dot matrix or linear pixel structure, this structure includes that pixel limits district and pixel wall, passes through O2Plasma process, can be by pixel
The insulant limiting district's residual is destroyed, then through Overheating Treatment, makes insulant recover hydrophobicity, and then obtain required pixel
Structure.
The present invention defines layer by obtaining pixel at surface of insulating layer printing solvent, and its pixel limits district and has lyophily,
Being conducive to sprawling of solution, pixel wall has lyophobicity, is possible to prevent solution to overflow, and owing to this insulant is only soluble in its spy
Fixed solvent, is possible to prevent luminescent layer solution to corrode pixel and defines layer.In sum, the linear pixel of the present invention defines Rotating fields
Preparation method have the advantages that preparation technology is simple, stock utilization is high.
Embodiment 2.
A kind of linear pixel defines the preparation method of Rotating fields, and further feature is same as in Example 1 to be somebody's turn to do, and difference exists
In: in the present embodiment, the temperature of the heat treatment in step D is 190 to 350 degrees Celsius, and heat treatment time is 6 to 20 minutes.Practice
Finding, the linear pixel prepared by this heat treatment defines Rotating fields better performances.
Embodiment 3.
A kind of linear pixel defines the preparation method of Rotating fields, and further feature is same as in Example 1 to be somebody's turn to do, and difference exists
In: in the present embodiment, the temperature of the heat treatment in step D is 200 to 300 degrees Celsius, and heat treatment time is 6 to 10 minutes.This work
It is preferable that skill prepares effect.
Embodiment 4.
A kind of linear pixel defines the preparation method of Rotating fields, and further feature is same as in Example 1 to be somebody's turn to do, and difference exists
In: in the present embodiment, the temperature of the heat treatment in step D is 249 degrees Celsius, and heat treatment time is 7.8 minutes.This technique has
Prepare simple, prepared linear pixel and define sprawling easily of layer solution, it is possible to prevent solution from overflowing, save the use of solution
Amount.
It is last it should be noted that, the present invention is only protected by above example in order to technical scheme to be described
The restriction of scope, although being explained in detail the present invention with reference to preferred embodiment, those of ordinary skill in the art should manage
Solve, technical scheme can be modified or equivalent, without deviating from technical solution of the present invention essence and
Scope.
Claims (10)
1. a linear pixel defines the preparation method of Rotating fields, it is characterised in that carry out as follows:
A. at the insulating barrier of substrate surface deposition lyophobicity；
B. can dissolve the solvent of insulating barrier in surface of insulating layer printing, the solvent of printing makes the insulating barrier dissolved because of coffee
Toroidal effect is piled up and is formed pixel wall, pixel wall the pixel surrounding correspondence limits district；
C. the structure formed step B carries out oxonium ion bombardment processing, and the insulating barrier remained in pixel limits district is removed, now
Overall structure is lyophily state；
D. the structure that step C-shaped becomes being carried out heat treatment so that insulant part recovers lyophobicity, pixel limits district and keeps parent
Liquid status, obtains linear pixel and defines Rotating fields.
Linear pixel the most according to claim 1 defines the preparation method of Rotating fields, it is characterised in that in described step A
Concrete employing spin-coating method depositing insulating layer.
Linear pixel the most according to claim 2 defines the preparation method of Rotating fields, it is characterised in that in described step A
The material of insulating barrier be cytop.
Linear pixel the most according to claim 3 defines the preparation method of Rotating fields, it is characterised in that: described step B exists
Surface of insulating layer specifically uses the method for inkjet printing to print solvent.
Linear pixel the most according to claim 4 defines the preparation method of Rotating fields, it is characterised in that in described step D
The temperature of heat treatment be not less than 180 degrees Celsius, heat treatment time is no less than 5 minutes.
Linear pixel the most according to claim 5 defines the preparation method of Rotating fields, it is characterised in that in described step D
The temperature of heat treatment be 190 to 350 degrees Celsius, heat treatment time is 6 to 20 minutes.
Linear pixel the most according to claim 6 defines the preparation method of Rotating fields, it is characterised in that in described step D
The temperature of heat treatment be 200 to 300 degrees Celsius, heat treatment time is 6 to 10 minutes.
Linear pixel the most according to claim 7 defines the preparation method of Rotating fields, it is characterised in that in described step D
The temperature of heat treatment be 249 degrees Celsius, heat treatment time is 7.8 minutes.
9. the preparation method of Rotating fields is defined according to the linear pixel described in claim 1 to 8 any one, it is characterised in that
Substrate in described step A is ITO or glass or thin polymer film.
10. a linear pixel defines Rotating fields, it is characterised in that by the preparation side described in claim 1 to 9 any one
Method is prepared from.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610585890.6A CN106129090B (en) | 2016-07-22 | 2016-07-22 | A kind of linear pixel defines layer structure and preparation method thereof |
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| CN201610585890.6A CN106129090B (en) | 2016-07-22 | 2016-07-22 | A kind of linear pixel defines layer structure and preparation method thereof |
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| CN106129090A true CN106129090A (en) | 2016-11-16 |
| CN106129090B CN106129090B (en) | 2019-01-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107644951A (en) * | 2017-10-20 | 2018-01-30 | 东莞理工学院 | A kind of preparation method for printing OLED display screen |
| CN107785504A (en) * | 2017-10-20 | 2018-03-09 | 东莞理工学院 | A kind of preparation method of OLED |
| CN113097423A (en) * | 2021-04-08 | 2021-07-09 | 深圳扑浪创新科技有限公司 | Preparation method of quantum dot light-emitting layer |
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| US20160111688A1 (en) * | 2014-10-17 | 2016-04-21 | Samsung Display Co., Ltd. | Organic light-emitting display device and method of manufacturing the same |
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| CN102742356A (en) * | 2008-03-13 | 2012-10-17 | 松下电器产业株式会社 | Organic EL display panel and manufacturing method thereof |
| US20140021455A1 (en) * | 2010-12-09 | 2014-01-23 | Seiko Epson Corporation | Light emitting device, display apparatus, and electronic apparatus |
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| CN107644951A (en) * | 2017-10-20 | 2018-01-30 | 东莞理工学院 | A kind of preparation method for printing OLED display screen |
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| CN113097423A (en) * | 2021-04-08 | 2021-07-09 | 深圳扑浪创新科技有限公司 | Preparation method of quantum dot light-emitting layer |
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| CN106129090B (en) | 2019-01-25 |
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